Spring Test Probe 4-Point Crown Shaft Tip P156-Q2 Pogo Pin

P156-Q2 Crown Tip Spring Test Needle Test Pin, test tool P156-Q2 Pogo Pin 

The P156-Q2 is a specific model of spring test probe, which is a type of pogo pin used for testing printed circuit boards (PCBs) and other electronic components. This particular model features a four-tooth "plum blossom" crown-style head.

Specifications

• Needle tube outer diameter: 2.36mm
• Needle head diameter: 4.0mm
• Total needle length: 33.85mm
• Drilling size (for mounting): 2.75mm
• Head type: Plum Blossom / 4 Claws Crown Head

Applications

Pogo pins like the P156-Q2 are used for creating a temporary, but electrically solid, connection for a variety of testing and programming purposes:

• PCB testing: They are designed to probe test pads and holes on PCBs to ensure proper functionality during manufacturing.
• Programming jigs: The spring-loaded contacts are useful for programming microcontrollers on boards where headers cannot be permanently soldered.
• Temporary connections: They are rugged and can be used for high-density applications that require repeated connections and disconnections.