Jlcpcb calculator. 4/6 layer, default layer stack-up. Jlcpcb calculator

 
 4/6 layer, default layer stack-upJlcpcb calculator  2

44, c = 0. Our friendly support team is available via email(2-hour average response time on office hours), Live Chat, and phone. TP4056 from TPOWER - Battery Management ICs is available for JLCPCB assembly, check the stock, pricing and datasheet, and let JLCPCB helps you assemble the part TP4056 for free. Created. In-stock Item Pricing. 25. Instant online PCB quote, get PCBs for only $2. No longer need to assemble boards yourself, JLCPCB helps you assemble the part MX78U64A00FXDR02 for free. Qty Unit Price. 1. Nozzles. Now a job file is added to your project and using it you can generate various output files, right now we are focusing on BOM file generation and it is generated using the report output section of job. 4. ちなみに、jlcpcbに新規登録するとクーポンが貰えて、その中には3dプリントサービスに使えるものもあるとのこと(jlcpcbの担当者さんに確認した)。登録ページには下のバナーから行ける。 仮に並べてみた状態(ベアリングも入れてある)。1. 100k+ in-stock electronic components for online parts sourcing & PCB assembly, 24-hour rapid SMT assembly JLCPCB Online Gerber Viewer inspect PCB layout fast and right ECAD Engineers check design with the online Gerber viewer, Easy and quick PCB Price Calculator from JLCPCB. 5oz to 6oz), inner layer copper thickness from 18μm. Step 1 - Pre-order the parts you need at JLCPCB. Qty Unit Price. Step 2 - To assemble the part you pre-ordered, just place a PCBA order at JLCPCB. PCB Design Instructions for Edge Plating. The aspect ratio of these vias is preferably 0. 3. To ensure high-quality reviews and ratings, we moderate every review. 55mil microstrip line. Instant online PCB quote, get PCBs for only $2. SMT & Through-Hole Assembly. Choose the part; fill in the quantity you need; click the "Add to My Part Lib" button. I'm confused, because when i use jlcpcb impedance calculator to calculate 50 ohm SE traces for high speed data, I end up with 21 mils width. For 2 layer boards, the " 4-Wire Kelvin Test " option is required. To ensure the product quality, the below options need to be chosen for aerospace and medical products. Then you will be redirected to the JLCPCB order page, where the price will change accordingly based on the selected parameters. Learn More >. Step 3 - JLCPCB produces and assembles your boards in 3 days. Step 2 - To assemble the part you pre-ordered, just place a PCBA order at JLCPCB. How to make a payment? Is my payment information safe? What payment methods are available? Instant online PCB quote, get PCBs for only $2. Tools. If you take a look on PCBShopper, 6-layer PCBs boards are still pricey. Roosevelt Avenue, Chandler, AZ 85226 Tel: 480-961-1382 Fax: 480-961-4533 Page 2 of 4 Chart 2: RO4000 Series Materials Dielectric Constant vs. To export the BOM from KiCAD you first have to go to Arturo's BOM export script, download the Zip and unpack it. JLCPCB focuss on layer stack-up considerations, examples, and the use of an impedance control PCB calculator to provide you an useful guidance. The PCB assembly price including: Setup fee: $8. All calculations use a frequency of 1 GHz. Write to our support at any time. Since 2020, the production capacity of components has been insufficient due to the epidemic for all the world. 5 mil (2116 prepreg) or 8. Check design with the online gerber viewer, Easy and quick PCB Price Calculator from JLCPCB. 1. Max. Qty Unit Price. I assume the JLCPCB calculator results better match the actual impedance on the PCB produced by JLCPCB, but I wonder why the difference between the simple standard model and the JLCPCB calculator is that big. 1+ $48. Step 2 - To assemble the part you pre-ordered, just place a PCBA order at JLCPCB. EasyEDA supports direct links to more than 800,000 real-time price, real-time inventory quantity components, During the design, the designers can refer to parts stocks, prices, values, datasheets and SMT information to. 5 Oz), so they won't have much current carrying capacity unless the board is going to be rather large. Specifications STM32F103C8T6 technical specifications, attributes, and parameters. The number of copper layers in the board. Order now and ship same-day!Multilayer Ceramic Capacitors MLCC - SMD/SMT (412955) Niobium Oxide Capacitors (204) Paper Dielectric Capacitors (75) Polypropylene Film Capacitors (CBB) (32092) Silicon Capacitors (96) Solid Capacitors (6444) Suppression Capacitors (12978) Tantalum Capacitors (54565) Trimmers, Variable Capacitors (207)How to export Sprint Layout PCB to gerber files. 6mm2. Check design with the online gerber viewer, Easy and quick PCB Price Calculator from JLCPCBGenerate Drill and Gerber Files. Check design with the online gerber viewer, Easy and quick PCB Price Calculator from JLCPCBInstant online PCB quote, get PCBs for only $2. $2 /5pcs. そのため、JLCPCBはSwitchのお客様に$54+7新規ユーザークーポンを提供いたします。(クーポンの内容:$30新規ユーザークーポン、$24SMTクーポン、$7クーポン。)更に多くの日本エンジニアにより低コストで高品質なPCB、SMT、3Dプリントサービスに接触し. 规则如下:. Sign in JLCPCB to get coupons and free assembly service. Check design with the online gerber viewer, Easy and quick PCB Price Calculator from JLCPCB. Posts: 1205. 3 No longer need to assemble boards yourself, JLCPCB helps you assemble the part SANTS5802A for free. JLCPCB Impedance Calculator. 3mm min. In-stock Item Pricing. ]On the quotation calculator, simply enter the size of the PCB, quantity, layers and thickness. 1 For paneled two-layer PCB, if PCB’s total area less than 1m2but the individual board QTY is more than 50pcs, it will have extra test fee. Learn how JLCPCB works > After finalizing your board through prototyping, seamlessly scale up to PCB production. Mon-Fri: 24 hours, Sat-Sun: 10am-7pm, GMT+8. Layer count. Starting at $7. Export the Files. 6. Support Polyimide / FR4 / stainless steel / 3M tape. 5(double-sided PCB) 7628 Prepreg 4. Display Pad's Number and Net. stencil. Contact Sales > Over 800,000 businesses and innovators use JLCPCB. @SergeiGorbikov for a trace current capacity is highly dependent on length if you have limits to how much voltage drop over the trace you can handle. Benefit from China’s leading electronic components distributor - LCSC ,and China's leading PCB and SMT manufacturer - JLCPCB. Whether you're an electronics hobbyist looking for the cheapest manufacturer of PCBs, a professional looking for PCB prototyping services, or a startup that needs to manufacture 1,000 printed circuit boards, use our calculator to compare prices from. 1 mil as the thickness when the controlled. Does JLCPCB have a solution to add a sequencing serial number to PCB production? 1 Reply Asked by. Incorrect geometries (wrong pin pitch, etc) will get caught. Instant online PCB quote, get PCBs for only $2. 5(double-sided PCB) 7628. Sign in JLCPCB to get coupons and free assembly service. JLCPCB Online API Application 【Temporarily Suspended】. 1+ $3. How to Make a Quality Complaint. Instant online PCB quote, get PCBs for only $2. Learn more about JLCPCB Assembly. 2. In-stock Item Pricing. 5960 10+ $. In general, we have a source of the signal (radio transmitter, generator), and we want to transmit that signal to a load (antenna, speaker, or just a transmission line). In the same Plot menu for Gerber files, click the Generate Drill Files… button at bottom right, this will open the dialog for drill files. How to Generate Gerber and Drill Files in PCB Wizard. It is very convenient for customers to conduct impedance matching design according to JLCPCB’s laminated structure and related parameters. Hardware companies in. Stencil: $1. 4mm to 3. 87 mil) is nominal thickness of 7628 prepreg. Parts Calculator Add to My Part Lib for Assembly Add To List Available Order Qty: 0. Going to route the following signals: 100R differential pair (Zo = 50R) 90R differential pair (Zo = 45R) Planning to use the stack up JLC7628, with a 4 layer PCB, in total 1. The part will be added to the cart. 6499 3+ $3. Check design with the online gerber viewer, Easy and quick PCB Price Calculator from JLCPCB. Controlled Impedance PCB Layer Stackup JLCPCB Impedance Calculator: Material: FR-4: FR-4 Standard Tg 130-140/ Tg 155: Dielectric constant: 4. Qty Unit Price. In-stock Item Pricing. Sign in JLCPCB to get coupons and free assembly service. 0015 assembly fee per joint. Check design with the online gerber viewer, Easy and quick PCB Price Calculator from JLCPCBThe JLCPCB Impedance Calculator computes track width values and recommended stack-ups from user-input values of board thickness, copper weight, layer, target impedance, conductor spacing. 1、6层免费券,只能用在真六层PCB中,不能搞假的空白层,嘉立创将会严格审核。. One-Stop Solution for PCB & Assembly. 1. 3. 6. ① V割处走线和焊盘距板边距离≧0. Select File -> Fabrication Outputs -> Gerber Files. Check design with the online gerber viewer, Easy and quick PCB Price Calculator from JLCPCB. Talk to our sales team. Parts Calculator Add to My Part Lib for Assembly Add To List Available Order Qty: 0. If you want to put it in a specific location, please indicate this location by adding the text "JLCJLCJLCJLC" in your silkscreen layer and this option is free of charge. 024, b = 0. TAXM12M4RKDCDT2T from Yajingxin - Crystals is available for JLCPCB assembly, check the stock, pricing and datasheet, and let JLCPCB helps you assemble the part TAXM12M4RKDCDT2T for free. Step 1 - Pre-order the parts you need at JLCPCB. Check design with the online gerber viewer, Easy and quick PCB Price Calculator from JLCPCB. Qty Unit Price. Specifications DC-005-2. · Panel by Customer - You construct the PCB panel yourself and provide us the panelized data for PCB production. Check design with the online gerber viewer, Easy and quick PCB Price Calculator from JLCPCB Lower Cost. 3mm min. As seen in the picture, if you are designing 1-2 Layers PCB, you can use a minimum of 5 mil trace thickness and 5 mil trace space. Now select "jlcpcb_smta_exporter. Step 3 - JLCPCB produces and assembles your boards in 3 days. Instant online PCB quote, get PCBs for only $2. com. Imagine that I need to have a 50 ohms impedance in a PCB trace. I am using Kicad 7 and have managed to produce the schematic and the pub design. 5 um thick (0. In-stock Item Pricing. Build Time: 24 hours. SPECIAL OFFER! Free Assembly for your 1-6 Layer PCBs After the continuous upgrading of our production lines and the expansion of production capacity, we have good news to tell all the customers that now we can provide more discounts to a greater extent to benefit. $2 /5pcs. In-stock Item Pricing. 2. 25V 10uF X7R ±10% 1206 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS. 1+ $5. 5517 10+ $. What the title says. Step 1 - Pre-order the parts you need at JLCPCB. The real person to help any time of day. NE555 from IDCHIP - Timers / Clock Oscillators is available for JLCPCB assembly, check the stock, pricing and datasheet, and let JLCPCB helps you assemble the part NE555 for free. Parts Calculator Add to My Part Lib for Assembly Add To List Available Order Qty: 16725. This means its costs will no longer be added to the total price whether it’s a sample or batch order, allowing everyone to truly enjoy the benefits of JLCPCB’s. Instant online PCB quote, get PCBs for only $2. The digits here represent the number of sequential laminations. Specifications CPC1988J technical specifications, attributes, and parameters. The JLCPCB Impedance Calculator computes track width values and recommended stack-ups from user-input values of board layer, thickness, copper weight, target impedance, trace spacing (for edge-coupled pairs), and impedance trace to copper gap (coplanar waveguides). FPC Imposition Design Specification. Additionally, we offer a monthly chance to get your 6-8 layer PCB order (size within 5cm*5cm, 5 pcs) for $0 by redeeming a monthly $2 coupon. $56/㎡ for Batch production. Learn more about JLCPCB Assembly. The BOM should have details with respect to description of the Part (value), reference designator, package, manufacturer’s part number, etc. 2mm. Check design with the online gerber viewer, Easy and quick PCB Price Calculator from JLCPCBundefined - JLCPCB Help Center. In the General Setting set the precision to 2:5 (0. The PCB will be produced in accordance with the. Aluminum PCB Bending Notes: - I used a bending tab width of 6mm, spacing of 2mm (the minimum routing out spec for JLC), and PCB thickness of 1. If you order online, you can choose PayPal payment. Check design with the online gerber viewer, Easy and quick PCB Price Calculator from JLCPCBjlcpcbは新規ユーザーに$54無料クーポンを提供します。弊社はより多くの日本の電子エンジニアために、高品質なpcb、pcbアセンブリ、および3dプリンティングなどのビジネスサービスを提供しています。Instant online PCB quote, get PCBs for only $2. Through-hole Via: The through-hole via is the most common type of via in PCB design. 24-hour Turnaround. 2mm (7. 4-Layer Impedance Control Stackup. I plugged in my estimated form-factor, picked 6 layers, selected 5 mil traces (my estimate), picked ENIG finished (definitely want ENIG for BGAs), and checked out the results. I think I noticed that they have PT2399 chips available , but worst case that’s the only. Try This New Tool. We promise to offer customers the most economic PCBs forever. When ordering the global sourcing parts, choose the part you need; fill in the quantity; click the " Add " button, then the part will be added to the cart. EasyEDA supports direct links to more than 800,000 real-time. 5oz to 6oz), inner layer copper thickness from 18μm to 70μm (0. Dimension: 400x500mm: The maximum dimension JLCPCB can accept: Dimension Tolerance: ±0. In-stock Item Pricing. Only $2 for 100×100mm PCBs. Sign in JLCPCB to get coupons and free assembly service. For your convenience, we have designed a Impedance Calculator to help you calculate the impedance and trace width you need. 1+ $5. JLCPCB can produce High-precision multilayer board with capabilities listed in below table. (1)阻抗线可以设计在外层(如上表四种形式均为外层阻抗),也可以设计在内层. Qty Unit Price. Learn More > 1. FR4, Aluminum, Lead Free PCB. Pneumatic fittings. This section is very important and risky. What is the maximum length of PCB boards that JLCPCB can produce? 1 Reply Asked by 58*****1A About. [JLCPCB][2] ,the price calculator and ordering system are fully automated on their website, you just fill in the details, you get a price quotation, next you upload your gerber files and place your order. Step 3 - JLCPCB produces and assembles your boards in 3 days. Parts Calculator Add to My Part Lib for Assembly Add To List Available Order Qty: 525. undefined - JLCPCB Help Center. Instant online PCB quote, get PCBs for only $2. GRM31CR71E106KA12L. JLCPCB 6 layer 2313 stackup confusion. 725. Pneumatic fittings. Step 1 - Pre-order the parts you need at JLCPCB. For exact impedance calculation, we recommend the software from Polar Instruments. Check design with the online gerber viewer, Easy and quick PCB Price Calculator from JLCPCB JLCPCB recommends a minimum clearance of 0. Key reminders. -Check Use alternate drill mode for "Oval Holes Drill Mode". 思いの外簡単だったし、仕上がりは自分の手ハンダよりも. 6. Instant online PCB quote, get PCBs for only $2. 9)拼板尺寸应考虑板厚及元器件重量等因素(如过薄的板不. Learn more about JLCPCB Assembly. Benefit from China’s leading electronic components distributor - LCSC ,and China's leading PCB and SMT manufacturer - JLCPCB EasyEDA supports direct links to more than 800,000 real-time price, real-time inventory quantity components, During the design, the designers can refer to parts stocks, prices, values, datasheets and SMT. All Tutorials 209 video tutorials Circuits 101 24 video tutorials Intermediate ElectronicsBH-18650-A1AJ005 from MYOUNG - Battery Connectors is available for JLCPCB assembly, check the stock, pricing and datasheet, and let JLCPCB helps you assemble the part BH-18650-A1AJ005 for free. You don't need to change the Output folder because KiCad will automatically use the same folder for Gerbers. Instant online PCB quote, get PCBs for only $2. 5(double-sided PCB) 7628 Prepreg 4. 1mm (3. 1+ $0. com, 24 hours online. Easy-to-use PCB design tool. Q&A. Know JLCPCB's Capabilities & Get your PCBs Built Fast. 1393 50+ $. To ensure the board quality, “4-Wire Kelvin Test” and “FR4 Tg155. Qty Unit Price. SMT Assembly: $0. 4. Instant online PCB quote, get PCBs for only $2. 3. Step 2 - To assemble the part you pre-ordered, just place a PCBA order at JLCPCB. (e. JLCPCB was fast, shipping the boards in less than 7 days, but the smaller details of the silkscreen were blurry and the solder mask was thinner than the others. Step 2 - To assemble the part you pre-ordered, just place a PCBA order at JLCPCB. Qty Unit Price. Сам код вот: from selenium import webdriver from. Shipping Method: PCBWay can offer DHL, FedEx,UPS, TNT, Air, Sea/air and Sea,SF Express/ Global Standard Shipping/AliExpress Standard Shipping/Hongkong Post/China Post/CDEK, E-packet,. Build Time: 24 hours. All around this via there should be enough copper to form a solid connection between the copper traces and the via in a multi-layer PCB. Send us a message. 1V over 1cm, but if you have a 5V supply and a 25cm trace you will have zero supply voltage at the far end. Step 3 - JLCPCB produces and assembles your boards in 3 days. This form of microstrip is composed of two traces. Learn More >. Note: We recommend to use gerber files in Gerber RS-274-X format to upload your design on JLCPCB. Instant online PCB quote, get PCBs for only $2. JLCPCB Impedance Calculator. Also, there is the minimum price which is the cheapest one for a. No longer need to assemble boards yourself, JLCPCB helps you assemble the part TMY1222M for free. PCBA Online Quote. D: PCB Thickness (mm) T: Remaining Thickness of Board (mm) α: Chamfer Angle L: Chamfer Depth (mm) (Length of the beveling cut from finger to the board edge) By. ) If anyone has experience with JLCPCB, please share it below, I'm looking forward to hearing from you guys! TheUnnamedNewbie. Как исправить данную ошибку "UnboundLocalError: local variable 'name_of_lawyer_answer' referenced before assignment" ? Как я понял, она возбуждается из-за того, что 'name_of_lawyer_answer' не присвоено значения, но я это вызываю. FPC Imposition Design Specification. Use the JLCPCB Impedance Calculator in conjunction with your selected laminate structure to design the line width and spacing. PCB design files on Altium designer software. 线圈板:线宽线距要求0. Instant online PCB quote, get PCBs for only $2. Connectors. 0468. 90 R and 100R impedance differential lines are used. Check design with the online gerber viewer, Easy and quick PCB Price Calculator from JLCPCBPatterns. ) Logged. Check design with the online gerber viewer, Easy and quick PCB Price Calculator from JLCPCB. 4-8 layers. In-stock Item Pricing. 2313 Prepreg 4. Specifications ESP32-WROOM-32 technical specifications, attributes, and parameters. 0669 10+. 05. As seen in the picture, if you are designing 1-2 Layers PCB, you can use a minimum of 5 mil trace thickness and 5 mil trace space. I used a calculator embedded in Saturn PCB and an online calculator on JLCPCB and PCBWay web side. I'm working on open source software defined radio based on XC7Z020. This means that the actual trace width for a 50 ohm line could vary from design to design. Printed Circuit Board manufacturing and assembly capabilities, PCB technologies or design rules for guide of PCB design and production. 3 What is super long board?四:进入系统后,进入下单界面,左边的菜单侧以〈新单下单方式之一〉是一样的,而右边的则不一样,在PCB端下单助手中,是先上传文件,如下图:. EMI shield. 1-20 Layers. 4 amps and the 1. We placed our order on Friday and got the boards on Wednesday!2、线路制作. Build Time: 24 hours. PCB Technical Guidelines. Hand-soldering labor fee: $3. ROHS and Lead-Free Compliance. Modeling approximation can be used to design the microstrip trace. 378 [mils/oz]) For IPC-2221 internal layers: k = 0. Learn more about JLCPCB Assembly. I have a strong feeling that my issues lie within my PCB trace layout. 6mm 1oz etc. Select File -> Fabrication Outputs -> Gerber Files. 100%. Specifications FT4232H-56Q-TRAY technical specifications, attributes, and parameters. That must not be the case as the values seem to differ. PCB Assembly Ordering. 1. High-precision PCBs with Via are much more difficult to produce. Specifications STM32F411CEU6 technical specifications, attributes, and parameters. 1+ $0. 4mm to 3. In-stock Item Pricing. In-stock Item Pricing. There are a few different types of microvias. Order now Sign in Hello, How can we help? Online Chat. How to Generate Gerber files from EasyEDA. 2 - 50 pcs. Controlled Impedance PCB Layer Stackup JLCPCB Impedance Calculator. Have a look at the JLCPCB factory!. 6mm min. 0 interface. online quote system to get your price instantly and immediately after you enter the board details into the online Price calculator. Check design with the online gerber viewer, Easy and quick PCB Price Calculator from JLCPCB. How do I get a price? Do I have to register as a user?. I'm confused, because when i use jlcpcb impedance calculator to calculate 50 ohm SE traces for high speed data, I end up with. Dimension: 400x500mm: The maximum dimension JLCPCB can accept: Dimension Tolerance: ±0. Instant online PCB quote, get PCBs for only $2. single- / double-sided. Sign in JLCPCB to get coupons and free assembly service. A pop-up window will show up and ask for the layer to process (either top or bottom). Gerber and drill file is under the "gerber" folder. Controlled Impedance. The ground plane separation is 6 mils for layers 1 and 2 and 8 mils for layers 6 and 7. · Single PCB - Your design as is. And, today's best JLCPCB coupon will save you 25% off your purchase! We are offering 27 amazing coupon codes right now. In-stock Item Pricing. 6% Satisfied rate. Why is that?JLCPCB Capabilities When you calculate the width of low current traces, you may encounter very low trace widths, but in this case, you should not ignore the production capabilities of JLCPCB . The first is a two layers pcb of 79. , Ltd. 4. The microstrip is a very simple yet useful way to create a transmission line with a PCB. Learn more about JLCPCB Assembly. Qty Unit Price. Step 3 - JLCPCB produces and assembles your boards in 3 days. Learn more about JLCPCB Assembly. Now I'm thinking about the stackup, and I'm considering 6 layer (top)S-G-S-G-S-G (bottom). S Sea Shipment Instructions. No longer need to assemble boards yourself, JLCPCB helps you assemble the part SMTSO2050CTJ for free. Please make sure you have the clear outline in mechanical layer. Step 3 - JLCPCB produces and assembles your boards in 3 days. Hello, I cannot either get to the same values with the JLCPCB calculator even how much I wanted to. Step 2 - To assemble the part you pre-ordered, just place a PCBA order at JLCPCB. Sign in JLCPCB to get coupons and free assembly service. 2. This form of microstrip is composed of two traces. Please select your shipping destination & currency & Price may differ based on your Shipping destination. 今回は二種類発注した。. Impedance calculator >. Shipment Tracking. Parts Calculator Add to My Part Lib for Assembly Add To List Available Order Qty: 6200. External traces: I = 0. How to order Module17s at JLCPCB. Made Easy,Quality,On Time. 9. Check design with the online gerber viewer, Easy and quick PCB Price Calculator from JLCPCBHelp with JLCPCB settings. Max. Specifications XL-5050RGBC-MS technical specifications, attributes, and parameters. 1+ $25. JLC Other Services: Mechatronic Parts PCB/PCBA Help Center Q&A News Contact. HS280S010B from HS - LCD Displays Modules is available for JLCPCB assembly, check the stock, pricing and datasheet, and let JLCPCB helps you assemble the part HS280S010B for free. You can enter the size, layers, and quantity of your board and get prices from 20 different PCB manufacturers instantly. Assign Net for Free Track/Arc/Circle. Solder Mask: JLCPCB recommends that the solder mask opening be slightly larger than the component's pad to ensure that the paste does not overflow onto the adjacent pads. The two impedance controlled lines I have are for USB (90 ohms differential), and a 2. $ 30 in total for 1-20pcs assembly Quote Now. g. PCBShopper reports prices for printed circuit board prototypes and for small-batch quantities up to 1,000. 47 kB, 800x877 - viewed 274 times. While looking for this information online I came across an article where a guy created a low cost electric field probe and a low cost magnetic field probe and then. 5oz to 2oz), and minimal spacing between layers to 3mil. Order now. Free DFM File Check. Click Add New Report --> Bill of Materials --> [Project] Now file generating the BOM file we have the option to add this parameter as a column. The trace width is calculated as follows: First, the Area is calculated: Area [mils^2] = (Current [Amps]/ (k* (Temp_Rise [deg. 1. 25%. Check design with the online gerber viewer, Easy and quick PCB Price Calculator from JLCPCBPneumatic Parts. 5mm, costing $16. How JLCPCB works > 24 Hour Support. Custom 3D Printed Parts from $1. 5517 10+ $. 插件孔焊盘:建议焊环0. Callsign Calculator. We have our own factories with fully automated production lines to provide high quality and consistency.