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normally open spring contact probes switch probe SF-3.15x49-Anormally open spring contact probes switch probe SF-3.15x49-Anormally open spring contact probes switch probe SF-3.15x49-A

normally open spring contact probes switch probe SF-3.15x49-A

  • spring contact probes switch probe
  • Place of Origin:Zhejiang, China (Mainland)
  • Brand Name:SFENG switch probe
  • Model Number:switch probe SF-3.15x49-A
  • Model no.:switch probe SF-3.15x49-A
  • Plunger material:Be Cu, Gold plated
  • Barrel material:Brass, Gold plated
  • Insulation sleeve:peek
  • Solder connection:Be Cu, Gold plated
  • Switch probe receptacle:brass,Au plated
  • Spring:music sire
  • Current rating:3A
  • Switch probe condition:normally open

normally open spring contact probes switch probe SF-3.15x49-A


A Switch Probe is a spring contact probe and receptacle combination that is normally open, and after a designated travel the switch probe closes. The most common use for switch probes is in the cable harness testing industry. The switch probe is used to verify the correct location of a terminal in a connector while checking the retention force as well.

Switch probes also verify the presence of nonconductive components such as caps for connectors or devices on a circuit board. SFENG probes can offer different standard sizes of switch probes.

SWITCH PROBE Specification

Switch probe model  SF-3.15x49-A
 Plunger material  Be Cu, Gold plated
 Barrel material  Brass, Gold plated
 Insulation sleeve  peek
 Solder connection  Be Cu, Gold plated
 Switch probe receptacle  brass,Au plated
 Spring  music sire
 Switch probe condition  normally open
 Providing kinds of spring pogo pin solutions to satisfy different testing environment. We can produce according to your    needs or design drawings or samples so if you have this demand please send us the drawings or samples you have we    will quote for you ASAP.



a.Spring loaded pin (single) for PCB, ICT, FCT testing, etc 

b.Pogo pin ( connector) to establish a (usually temporary) connection between two printed circuit boards for charing c.Double ended probe for BGA & semiconudtion testing;

d.Universal pin without spring, coating pin, LM pin with QZ & VZ series;

e.High current probe, Switch probe, Capacitance needle

f.Terminal & receptacle/ socket;

h.Other related electronic compents, 30# OK wire, Jig locks, POM, Iron hinge, etc.



Welcome to your inquiry for switch probe pin,I will quote to you.

Suzhou Shengyifurui Electronic Technology Co., Ltd


Contact Person:Ellie

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