Pogo Pin Selection Guide: 6 Key Types & Applications

Pogo Pin Selection Guide: 6 Key Types & Applications

 1. Press-Fit Pogo Pins  

Features:  

Tail designed for direct PCB insertion (no soldering).  

Fast installation, ideal for automated assembly.  

Applications:  

High-density PCB test fixtures  

Modular devices requiring quick assembly  

Note: PCB hole tolerance critical (typically 0.05-0.1mm smaller than pin diameter).  

 2. Solder-Tail Pogo Pins  

Features:  

Solderable tail for secure connections.  

High mechanical strength.  

Applications:  

Industrial equipment (e.g., automotive electronics)  

Flexible PCB (FPC) connections  

Note:  Avoid overheating during soldering to preserve spring elasticity.  

 3. Knurled Pogo Pins  

Features:  

Textured outer sleeve for anti-rotation and retention.  

Vibration-resistant.  

Applications:  

Plastic-embedded charging contacts (e.g., TWS earphone cases)  

High-vibration environments (e.g., drones)  

Note: Requires interference-fit mounting holes.  

 4. Double-Ended Pogo Pins  

Features:  

Bidirectional spring compression.  

Modular/disconnectable design.  

Applications:  

Removable battery contacts (e.g., power tools)  

Dual-sided test probes  

Note: Ensure symmetrical stroke to avoid uneven loading.  

 5. Flat-Plunger Pogo Pins  

Features:  

Large contact area, low wear.  

Low impedance for high-current transfer.  

Applications:  

Wireless charging contacts (e.g., smartwatches)  

High-current connections (>5A fast charging)  

Note: Requires flat mating surfaces to prevent misalignment.  

 6. Right-Angle Pogo Pins  

Features:  

90° bent tail for space savings.  

Enables compact layouts.  

Applications:  

Side-connect devices (e.g., endoscopes, foldable phones)  

Space-constrained PCB edge connections  

Note: Avoid stress concentration at bend points.  

Quick Selection Table  

Selection Checklist  

1. Frequent mating? → Double-ended or flat-plunger (long cycle life).  

2. Space limits? → Right-angle or micro press-fit.  

3. Current rating? → Flat-plunger or thick-gold plating.  

4. Vibration present? → Knurled or guided versions.  

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