Keszoox
Molex KK 254 2.54mm MX5264 Female Single-Head Pre-Crimped Terminal Cable 22AWG UL1007
Molex KK 254 2.54mm MX5264 Female Single-Head Pre-Crimped Terminal Cable 22AWG UL1007
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Molex KK 254 / MX5264 2.54mm Female Single-Head Pre-Crimped Terminal Cable — 22AWG UL1007 PVC, 3A / 250V
The Molex KK 254 / MX5264 2.54mm female single-head pre-crimped terminal cable features a genuine Molex KK 254 female crimp terminal on one end and a bare tinned lead on the other — without a housing. This single-head configuration is the professional choice for custom harness assembly where one end inserts into a pre-installed KK 254 locking housing and the other end is soldered directly to a PCB pad, screw terminal, or custom connector.
The Molex KK 254 / MX5264 connector system is the industry-standard 2.54mm pitch locking connector for Arduino shields, PC fan headers, industrial PCB wiring, and general-purpose electronics. With a 22AWG UL1007 PVC conductor rated at 3A / 250V, this cable handles both signal and moderate power lines reliably.
Key Features
- Genuine Molex KK 254 / MX5264 female crimp terminal one end — precision-stamped contact for reliable, low-resistance connections in KK 254 locking housings
- Bare tinned lead other end — pre-tinned for direct PCB pad soldering, screw terminal connection, or custom connector termination
- 2.54mm pitch — the universal standard for Arduino GPIO headers, PC fan connectors, and general-purpose PCB wiring
- 22AWG UL1007 PVC insulation — rated 80°C, 300V, 3A per contact
- Pre-crimped factory assembly — consistent, reliable crimp quality
- RoHS compliant
Typical Applications
- Arduino shield and module PCB wiring — one end to KK 254 housing, other end soldered to PCB pad
- PC fan and cooling system wiring — custom fan header cables with one soldered PCB end
- Industrial PCB signal wiring — PLC I/O module and sensor connections with one PCB-soldered end
- 3D printer wiring — stepper motor and thermistor connections with one PCB-soldered end
- Custom harness assembly — for KK 254 / MX5264 housing systems with one soldered termination
- Replacement terminal cables — for repair of existing KK 254 harnesses
Technical Specifications
- Connector Series: Molex KK 254 / MX5264
- Pitch: 2.54 mm
- Terminal Type: Female crimp terminal (one end), bare tinned lead (other end)
- Wire Gauge: 22 AWG
- Insulation: UL1007 PVC, 300V
- Voltage Rating: 250V
- Current Rating: 3A per contact
- Temperature Rating: 80°C
- RoHS Compliant: Yes
- Brand: Keszoox
- Origin: Mainland China
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.