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TWS charging spring contacts
TWS charging shims, crafted from a dual-material combination of phosphor bronze and stainless steel, are manufactured using either SMT or assembly processes. With multiple height options and diverse connector designs, they form a comprehensive product portfolio spanning from budget‑friendly to mid‑to‑high‑end segments. Featuring standardized stock items and multi‑size compatibility, these solutions cater to Bluetooth earphone manufacturers, audio ODMs, and digital accessory suppliers, delivering low‑cost, highly adaptable charging‑contact solutions.
EPR542-01A20-01
Spring Type： Charging shrapnel
Contact Point Height： 5.00 mm or more
Structural Configuration： Side-connection reverse insertion
Assembly Method： SMT-style
Material： SUS301
Lifespan： 10000
EPR492-03D01-02
Spring Type： Charging shrapnel
Contact Point Height： 4.00mm-5.00mm
Structural Configuration： Side-attach, plug-in
Assembly Method： SMT-style
Material： Phosphor bronze
Lifespan： 10000
EPR492-03D17-02
Spring Type： Charging shrapnel
Contact Point Height： 4.00mm-5.00mm
Structural Configuration： Side-attach, plug-in
Assembly Method： SMT-style
Material： Phosphor bronze
Lifespan： 10000
EPR348-03A50-01
Spring Type： Charging shrapnel
Contact Point Height： 3.00mm-4.00mm
Structural Configuration： Side-connection reverse insertion
Assembly Method： Modular
Material： Phosphor bronze
Lifespan： 20000
EPR367-01C01-01
Spring Type： Charging shrapnel
Contact Point Height： 3.00mm-4.00mm
Structural Configuration： Side-connection reverse insertion
Assembly Method： SMT-style
Material： Phosphor bronze
Lifespan： 10000
SPN05-22210106-T1
Spring Type： Charging shrapnel
Contact Point Height： 2.17mm-3.00mm
Structural Configuration： Positive pressure
Assembly Method： SMT-style
Material： Titanium copper
Lifespan： 10000
EPR270A-21C07-01
Spring Type： Charging shrapnel
Contact Point Height： 2.17mm-3.00mm
Structural Configuration： Positive pressure
Assembly Method： Modular
Material： Phosphor bronze
Lifespan： 10000
SPN46-33210108-T2
Spring Type： Charging shrapnel
Contact Point Height： 2.17mm-3.00mm
Structural Configuration： Positive pressure
Assembly Method： SMT-style
Material： Titanium copper
Lifespan： 20000
EPR335-06D10-01
Spring Type： Charging shrapnel
Contact Point Height： 3.00mm-4.00mm
Structural Configuration： Positive pressure
Assembly Method： SMT-style
Material： Titanium copper
Lifespan： 20000
SPN48-38210120-T1
Spring Type： Charging shrapnel
Contact Point Height： 3.00mm-4.00mm
Structural Configuration： Positive pressure
Assembly Method： SMT-style
Material： Phosphor bronze
Lifespan： 20000
ECR02-67260126-01
Spring Type： Charging shrapnel
Contact Point Height： 5.00 mm or more
Structural Configuration： Positive pressure
Assembly Method： Modular
Material： Phosphor bronze
Lifespan： 10000
EPR890-01C04-H1& EPR830-01C04-L1
Spring Type： Charging shrapnel
Contact Point Height： 5.00 mm or more
Structural Configuration： Positive pressure
Assembly Method： Modular
Material： Phosphor bronze
Lifespan： 10000
ECR03-60110204-01
Spring Type： Charging shrapnel
Contact Point Height： 3.00mm-4.00mm
Structural Configuration： Positive pressure
Assembly Method： SMT-style
Material： Phosphor bronze
Lifespan： 10000
SPR17-59210104-T1
Spring Type： Charging shrapnel
Contact Point Height： 3.00mm-4.00mm
Structural Configuration： Side-attach, plug-in
Assembly Method： SMT-style
Material： Phosphor bronze
Lifespan： 10000
EPR380-01C10-03
Spring Type： Charging shrapnel
Contact Point Height： 3.00mm-4.00mm
Structural Configuration： Side-attach, plug-in
Assembly Method： SMT-style
Material： SUS301
Lifespan： 10000
1st Floor, Zone B, Wanhe Pharmaceutical Park, Yuehai Subdistrict, Nanshan District, Shenzhen, Guangdong Province, China
Jingrui Technology Building, 100 meters north of the intersection of Industrial North Road and Xiangshi Road, Songshan Lake High-tech Industrial Development Zone, Dongguan, China
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