Gallery View: WTB & BTB connectors

Global SourcesUpdated on 2023/12/01

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China suppliers' typical PCB connectors in wire-to-board and board-to-board variants have contacts with gold-over-nickel plating.

Wire-to-board and board-to-board variants constitute the mainstream range of PCB connectors in China. In DIP and SMD male and female configurations, these have brass or phosphor bronze contacts with gold-over-nickel plating, and nylon 6T, nylon 9T, liquid-crystal polymer or PBT insulators. The last are UL94V-0-rated.

Widely available are wire-to-board units for applications requiring support for two to 20 circuits, and board-to-board kinds for 10 to 100 circuits or up to 120 when required. These have pitches of 0.4 to 2.54mm and height of 0.8 to 7.5mm. The usual life span is 500 cycles. The connectors can be customized to match any application.

IC sockets remain in the product lineup, but are a minority subcategory.

Most companies ensure their connectors comply with international standards, including CE, RoHS and UL.

The metal and plastic materials are locally sourced, while imported variants are used on request only.

The majority of suppliers expect input costs and product prices to stabilize in 2018.

The products in this gallery have been handpicked by our China-based market analyst for representing current trends in PCB connectors from China makers.

100V, 1A wire-to-board connector with 1.25mm pitch

Dongguan Jinda Electronics Co. Ltd's model JDLLH PCB connector has a 100V, 1A rating and 500VAC withstand voltage. Its maximum contact resistance is 0.02mohm and the minimum insulation resistance 500Mohm.

For surface mounting, the right-angle wire-to-board type has 1.25mm pitch and 20 to 30 poles. It operates in -25 to 85 C.

An order of 2,000 units has a 3-day delivery lead time.

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0.5mm-pitch board-to-board connector

From Dongguan Yuxi Electronic Co. Ltd, this board-to-board connector, BTB-4 model, has 0.5mm pitch and 50, 60, 80 or 100 positions. By height, there are 3, 3.5, 4, 4.5, 5, 5.5 and 6mm variants.

TheSMD male unit has 0.5A current rating, 30mohm maximum contact and 100Mohm minimum insulation resistance, and 50VAC/min withstand voltage.

The minimum order quantity is 1,000 units. Delivery is within 15 days.

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Wire-to-board connector with 2.54mm pitch

This dual-row PCB connector from Elete Technology Co. Ltd, HFNTS8Y-A032 model, has 2.54mm pitch and 8.5mm height.

The 3A wire-to-board unit has 20mohm maximum contact and 1,000Mohm minimum insulation resistance, and 600V dielectric withstand voltage. It operates in -40 to 105 C.

The DIP type is RoHS-compliant and UL-listed.

The minimum order is 2,000 units. Delivery lead time is 15 days.

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Wire-to-board connector with 3A maximum rating

Model boxhe004 dual-row PCB connector from Shenzhen Sinrui Technology Co. Ltd has 2.54mm pitch and 14 positions. It operates in -40 to 105 C.

The SMD wire-to-board type adopts brass contacts with gold-over-nickel or custom plating, and UL94V-0-rated nylon 6T insulation. The maximum current it can handle is 3A.

The minimum order is 1,000 units. Delivery is within 10 days.

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