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Molex KK 254 / KF2510 2.54mm Female Single-Head Pre-Crimped Cable — 22AWG UL1007
Molex KK 254 / KF2510 2.54mm Female Single-Head Pre-Crimped Cable 22AWG UL1007
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Molex KK 254 / KF2510 2.54mm Female Single-Head Pre-Crimped Cable — 22AWG UL1007
This Molex KK 254 / KF2510 2.54mm female single-head pre-crimped cable is a factory-terminated wire assembly with a single female crimp terminal on one end and a bare stripped lead on the other. Compatible with Molex KK 254 (2.54mm pitch) housings and the widely-used KF2510 / KF254 connector series, it is the standard building block for custom PCB wiring harnesses in Arduino projects, 3D printers, CNC machines, and industrial control panels.
Key Specifications
| Parameter | Value |
|---|---|
| Connector Series | Molex KK 254 / KF2510 (2.54mm pitch) |
| Terminal Type | Female crimp terminal, single-head (one end terminated) |
| Wire Gauge | 22AWG UL1007 PVC |
| Current Rating | 3A |
| Voltage Rating | 300V |
| Temperature Rating | 80°C |
| Color Options | Red, Black, Blue, Yellow, White, Green, Orange, Grey, Purple, Brown |
| Length Options | 10cm, 15cm, 20cm, 25cm, 30cm, 35cm, 40cm, 50cm, 80cm, 100cm |
| Quantity | 1pc per order |
| Compliance | UL1007, RoHS |
| Origin | CN |
Why Choose Pre-Crimped Single-Head Cables?
- Factory-crimped terminal — Consistent gas-tight crimp quality; no crimping tool or skill required
- KK 254 / KF2510 compatible — Fits Molex KK 254 housings (2.54mm pitch) and all KF2510/KF254 equivalent connector housings used in Arduino shields, RAMPS boards, and PCB headers
- 22AWG UL1007 wire — Flexible PVC insulation rated 300V/80°C; suitable for internal chassis wiring and PCB harness assembly
- Bare lead on opposite end — Solder directly to PCB pads, screw terminals, or crimp a second terminal for custom harness configurations
- 10 colors × 10 lengths — Color-code circuits and select exact lengths to minimize wire management overhead
Typical Applications
- Arduino Uno/Mega shield and sensor wiring harnesses
- RAMPS 1.4 / 1.6 stepper motor and endstop wiring for 3D printers
- CNC machine limit switch and spindle control wiring
- PCB-to-PCB internal chassis wiring in industrial control panels
- Raspberry Pi HAT and GPIO breakout board wiring
- LED driver and power supply PCB connector wiring
Compatible Housings
- Molex KK 254 series: 2695-02, 2695-03, 2695-04 ... 2695-12 (2–12 pin)
- KF2510 / KF254 equivalent housings (2.54mm pitch, 2–12 pin)
- Generic 2.54mm pitch female crimp housings (white, black)
Frequently Asked Questions
Q: What is the difference between KK 254 and Dupont 2.54mm terminals?
Both use 2.54mm pitch, but the terminal geometry differs. KK 254 terminals have a locking lance that engages the housing retention feature, providing a more secure connection than standard Dupont terminals. KK 254 terminals are not interchangeable with Dupont housings and vice versa.
Q: Is this a single wire or a multi-wire harness?
This is a single wire (1pc) with one female KK 254 terminal crimped on one end. To build a multi-wire harness, order the required number of wires and insert the terminals into a KF2510 housing of the appropriate pin count.
Q: Can I use this with JST XH 2.54mm connectors?
No. Although both use 2.54mm pitch, JST XH and Molex KK 254 terminals have different geometries and are not interchangeable. Use JST XH-specific pre-crimped cables for JST XH housings.
Package Contents
- 1× Molex KK 254 / KF2510 2.54mm Female Single-Head Pre-Crimped Cable (color and length per selected variant)
Frequently Asked Questions
Product & Compatibility
What is the difference between JST PH, XH, ZH, and SH connectors?
JST connectors differ primarily in pitch (pin spacing): SH = 1.0mm, ZH = 1.5mm, PH = 2.0mm, XH = 2.5mm. Smaller pitch connectors are used in compact electronics like drones and wearables, while larger pitch connectors suit general prototyping and power applications. Always verify pitch before ordering to ensure compatibility.
Are your connectors compatible with standard Arduino and Raspberry Pi projects?
Yes. Our DuPont 2.54mm connectors are the industry standard for Arduino, Raspberry Pi, and most development boards. JST PH 2.0mm is widely used for LiPo batteries in RC and robotics projects. We recommend checking your board's datasheet to confirm the exact connector type and pin count required.
What wire gauge (AWG) should I choose for my application?
Wire gauge depends on current load: 28–30 AWG suits signal lines up to 0.5A; 24–26 AWG handles 1–3A for moderate power; 22 AWG is suitable for up to 5A. For high-current applications, always use appropriately rated wire and connectors. Our product listings specify the AWG and rated current for each cable.
What is the difference between UL1007 and Silicone wire?
UL1007 is a PVC-insulated wire rated for 80°C and 300V, suitable for most indoor electronics applications. Silicone wire is rated for higher temperatures (up to 200°C), is more flexible, and performs better in harsh environments or high-vibration applications such as RC vehicles and industrial equipment.
Orders & Customization
Can I order custom cable lengths or connector configurations?
Yes. We offer custom wire harness solutions including custom lengths, connector types, pin counts, and wire colors. Please contact us via the Contact page with your specifications and we will provide a quote within 1–2 business days.
Do you offer bulk or wholesale pricing?
Yes. Volume discounts are available for orders of 50 units or more. Please reach out through our Contact page with your requirements for a customized wholesale quote.
How do I know which connector polarity or pin orientation to order?
Always refer to your device's datasheet or existing connector for pin 1 orientation. Our product images include wiring diagrams where applicable. If you are unsure, contact us with your device model and we will help identify the correct part.
Shipping & Returns
How long does shipping take?
Standard international shipping typically takes 7–15 business days depending on destination. Expedited options are available at checkout. Orders are processed within 3 business days. Tracking information is provided via email once your order has shipped.
What is your return policy for electronic components?
We accept returns within 30 days of delivery for unused, unopened items in original packaging. Items that have been crimped, soldered, or modified cannot be returned. If you receive a defective or incorrect item, please contact us within 7 days with photos and we will arrange a replacement or refund promptly.
Do you ship to my country?
We ship worldwide to over 50 countries. Shipping availability and rates are calculated at checkout based on your delivery address. If you do not see your country at checkout, please contact us and we will do our best to accommodate your order.