5 Pin JST GH Male Connector 1.25mm Pitch Straight Header PCB Pin

Specifications

• Connector Series: JST GH
  
• Number of Pins: 5 Pin
  
• Pin Pitch: 1.25mm (0.049 inch)
  
• Mounting Style: Straight / Top Entry Through-Hole PCB Header
  
• Rated Voltage: 50V AC / DC
  
• Rated Current: 1A AC / DC per pin
  
• Contact Resistance: ≤ 30 mΩ
  
• Insulation Resistance: ≥ 100 MΩ
  
• Withstanding Voltage: 500V AC/minute
  
• Operating Temperature: -25°C to +85°C
  
• Contact Material: Phosphor Bronze (Tin-plated)
  
• Dimensions: 1.25mm pitch (Height: ~4.2mm)
  
• Weight: 0.005 kg [Estimated]
  
• Compatible Harness: 5-Pin JST GH Female Plug Cable Housing

Project Evolution

Unlock New Capabilities

• Past Projects (Prerequisites): If you've already experimented with 2-pin, 3-pin, or 4-pin JST GH headers or bulky 2.54mm connectors on Arduino or ESP32 dev boards, you know how standard headers clutter high-density wiring. Moving to a 5-pin JST GH straight connector is the natural progression for complex drone flight controller telemetry, multi-sensor arrays, and custom PCB setups.
• Feature Upgrade (What This Unlocks): This 5-pin JST GH header unlocks ultra-compact power and multi-channel signal routing (VCC, GND, and 3 data/telemetry lines) for space-critical electronics. With its fine 1.25mm pitch and positive locking latch, it guarantees vibration-proof interconnects on quadcopters, RC aircraft, and compact robotic builds.

Effort Level & Minimum Hardware

• Effort Level: Beginner

Minimum hardware to get started:

• Custom PCB or Perfboard — to solder the 5-pin through-hole straight header onto your circuit.
• Soldering Station & Fine-Tip Solder — required to solder 1.25mm pitch pins without creating solder bridges.
• 5-Pin JST GH Female Wire Harness Cable — to mate with this PCB header for power and multi-signal routing.

Virtual Technician & Wiring Guide
⚠️ Safety Warnings:

• Thermal Damage Risk: Limit soldering iron contact time to under 3 seconds per pin at 300°C to avoid melting the thermoplastic body.
• Current Ratings: Do not exceed 1A continuous DC current per pin.
• Pin Mapping Verification: Always verify VCC, GND, and signal line orientation before plugging in a wire harness to prevent reverse-polarity damage.

Package Includes: 

1× 5-Pin JST GH Male Straight PCB Header Connector (1.25mm Pitch) 

Frequently Asked Questions

1. Is this 5-pin JST GH connector compatible with 1.25mm pitch female cable harnesses?
   Yes, it mates directly with standard 5-pin JST GH female wire harness plugs featuring 1.25mm pitch.
2. Can I use this 5-pin header on flight controllers like Pixhawk?
   Yes, 5-pin 1.25mm JST GH headers are standard for telemetry, SPI/I2C, and sensor ports on Pixhawk boards.
3. Is this connector compatible with JST SH or JST XH headers?
   No, JST GH (1.25mm pitch with lock) is mechanically incompatible with JST SH (1.0mm) or JST XH (2.54mm) headers.
4. What is the maximum voltage rating for this 5-pin header?
   It is rated for safe operation up to 50V AC/DC.
5. What is the maximum current capacity per pin?
   Each pin handles up to 1A continuous AC/DC current.
6. Does this connector feature a positive locking mechanism?
   Yes, the housing includes a top latch that locks securely into mating female plugs to prevent vibration disconnects.
7. How is this connector mounted onto a PCB?
   It mounts vertically through-hole onto standard PCB solder pads.
8. Are software drivers required for this connector?
   No, it is a passive hardware component requiring no software or code.
9. Can this header carry multiple data lines simultaneously?
   Yes, it reliably routes power (VCC/GND) alongside 3 separate telemetry or signal lines under 1A per pin.
10. How do I avoid melting the housing during soldering?
    Limit soldering iron contact to under 3 seconds per pin at 300°C.
11. Why won't the female plug latch into the male housing?
    Inspect for solder bridges or plastic debris blocking the top locking ridge.
12. What causes signal drop across the connector pins?
    Check for cold solder joints on the PCB pads or loose crimp terminals inside the female harness.
13. Are these headers quality-tested before dispatch?
    Yes, every batch undergoes visual QC at Probots in Bangalore to verify pin pitch alignment and latch structure.
14. Is bulk pricing available for OEM or production orders?
    Yes, Probots provides volume pricing for universities, research labs, and commercial manufacturers.
15. Does Probots offer matching female cable assemblies?
    Yes, our technical team in Bangalore can help select compatible 5-pin 1.25mm JST GH female harnesses.