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Molex KK 254 2.54mm KF2510 2-12Pin Same-Side-Head Cable 22AWG UL1007
Molex KK 254 2.54mm KF2510 2-12Pin Same-Side-Head Cable 22AWG UL1007
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Molex KK 254 / KF2510 2.54mm Same-Side-Head Cable — 2P to 12P
The KF2510 same-side-head cable features Molex KK 254 compatible housings on both ends, with wires exiting from the same side of both connectors. This orientation is used for board-to-board connections where both PCB headers face the same direction, or for harness routing where a parallel wire exit is required. Available in 2P to 12P at 2.54mm pitch.
Key Specifications
- Pitch: 2.54mm (0.1") — compatible with Molex KK 254, KF2510, and all standard 0.1" pin headers
- Pin Count: 2P, 3P, 4P, 5P, 6P, 7P, 8P, 9P, 10P, 11P, 12P
- Wire: 22AWG UL1007 PVC, rated 80°C / 300V
- Current Rating: 3A per contact
- Housing: KF2510 / Molex KK 254 compatible female crimp housing, both ends
- Wire exit direction: Same side on both connectors (parallel orientation)
- Locking: Positive latch housing on both ends
- Compliance: RoHS compliant; UL-certified wire
Same-Side vs. Reverse-Side: Which Do I Need?
The wire exit direction determines which cable type to use:
- Same-side-head: Both connectors have wires exiting from the same face. Use when both PCB headers are oriented the same way and the cable runs parallel between them — common in stacked board assemblies and PC fan extensions.
- Reverse-side-head: Connectors have wires exiting from opposite faces. Use for standard harness extensions where the cable reverses direction between two boards.
- Single-head: One connector, one bare wire end. Use for wire-to-board connections.
Typical Applications
- Board-to-board signal connections in stacked PCB assemblies
- PC fan and pump extension cables (4-pin PWM, 3-pin)
- Arduino shield-to-shield wiring
- 3D printer motherboard to expansion board connections
- Industrial I/O module daisy-chain wiring
- Robotics inter-board communication harnesses
Compatibility
Mates with all standard 2.54mm / 0.1" pitch PCB headers including Molex KK 254 Series 4030, 42375, 42376, 42377, 6373, 6410, generic KF2510, and Harwin M20. Not compatible with JST XH (2.5mm pitch).
Frequently Asked Questions
Q: What does "same-side-head" mean?
A: It means the wires exit from the same face on both connector housings. When you lay the cable flat, both connectors open in the same direction. This is the correct choice when both PCB headers face the same way.
Q: Can I use this for PC fan extensions?
A: Yes. Standard PC fan connectors use 2.54mm pitch. The same-side orientation matches the standard fan extension cable configuration.
Q: What is the maximum current per pin?
A: 3A per contact with 22AWG UL1007 wire.
Q: Is this cable suitable for high-temperature environments?
A: UL1007 PVC insulation is rated to 80°C. For high-temperature applications (3D printer hotends, industrial heat sources), use our UL3239 silicone variant rated to 200°C.
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Molex KK 254 / KF2510 2.54mm Same-Side-Head Cable — 2P to 12P
The KF2510 same-side-head cable features Molex KK 254 compatible housings on both ends, with wires exiting from the same side of both connectors. This orientation is used for board-to-board connections where both PCB headers face the same direction, or for harness routing where a parallel wire exit is required. Available in 2P to 12P at 2.54mm pitch.
Key Specifications
- Pitch: 2.54mm (0.1") — compatible with Molex KK 254, KF2510, and all standard 0.1" pin headers
- Pin Count: 2P, 3P, 4P, 5P, 6P, 7P, 8P, 9P, 10P, 11P, 12P
- Wire: 22AWG UL1007 PVC, rated 80°C / 300V
- Current Rating: 3A per contact
- Housing: KF2510 / Molex KK 254 compatible female crimp housing, both ends
- Wire exit direction: Same side on both connectors (parallel orientation)
- Locking: Positive latch housing on both ends
- Compliance: RoHS compliant; UL-certified wire
Same-Side vs. Reverse-Side: Which Do I Need?
The wire exit direction determines which cable type to use:
- Same-side-head: Both connectors have wires exiting from the same face. Use when both PCB headers are oriented the same way and the cable runs parallel between them — common in stacked board assemblies and PC fan extensions.
- Reverse-side-head: Connectors have wires exiting from opposite faces. Use for standard harness extensions where the cable reverses direction between two boards.
- Single-head: One connector, one bare wire end. Use for wire-to-board connections.
Typical Applications
- Board-to-board signal connections in stacked PCB assemblies
- PC fan and pump extension cables (4-pin PWM, 3-pin)
- Arduino shield-to-shield wiring
- 3D printer motherboard to expansion board connections
- Industrial I/O module daisy-chain wiring
- Robotics inter-board communication harnesses
Compatibility
Mates with all standard 2.54mm / 0.1" pitch PCB headers including Molex KK 254 Series 4030, 42375, 42376, 42377, 6373, 6410, generic KF2510, and Harwin M20. Not compatible with JST XH (2.5mm pitch).
Frequently Asked Questions
Q: What does "same-side-head" mean?
A: It means the wires exit from the same face on both connector housings. When you lay the cable flat, both connectors open in the same direction. This is the correct choice when both PCB headers face the same way.
Q: Can I use this for PC fan extensions?
A: Yes. Standard PC fan connectors use 2.54mm pitch. The same-side orientation matches the standard fan extension cable configuration.
Q: What is the maximum current per pin?
A: 3A per contact with 22AWG UL1007 wire.
Q: Is this cable suitable for high-temperature environments?
A: UL1007 PVC insulation is rated to 80°C. For high-temperature applications (3D printer hotends, industrial heat sources), use our UL3239 silicone variant rated to 200°C.
