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Molex KK 254 Series Straight Through Hole Pin Header, 4 Contacts, 2.54 mm Pitch, 1 Row, Unshrouded 22-27-2041
Specifications
| Country of Origin | China |
|---|---|
| Voltage | 250V |
| Brand | Molex |
| Orientation | Straight |
| Current | 4A |
| Mount Type | Through Hole |
| Housing Material | Nylon |
| Contact Material | Brass |
| Series | KK 254 |
| Termination Type | Solder |
| Maximum Operating Temperature | 105°C |
| Minimum Operating Temperature | -40°C |
| Number of Rows | 1 |
| Pitch | 2.54mm |
| Contact Plating | Tin |
| Number of Contacts | 4 |
| Contact Gender | Male |
| Shrouded/Unshrouded | Unshrouded |
| Connector System | Wire-to-Board |
| Tail Pin Length | 3.56mm |
| Mating Pin Length | 2.54mm |
Key Features
- The header supports up to 4A current per contact for low-current applications.
- Constructed with nylon housing and tin-plated brass contacts for durability and corrosion resistance.
- Through-hole mounting ensures secure installation on printed circuit boards.
- Wide operating temperature range of -40°C to 105°C suits demanding industrial environments.
- Compatible with 2695 and 6471 series crimp terminal housings and 7880 series high pressure housings.
- Safe for soldering with a process temperature up to +235°C, including wave soldering capability.
- Designed with a straight friction lock to maintain secure retention under high vibration.
- Ideal for applications in gaming systems, home security, medical equipment, and industrial automation.
Product Description
Molex 22-27-2041 KK 254 Series Straight Through Hole Pin Header is a premium wire-to-board connector with 4 male contacts arranged in a single row at a pitch of 2.54 mm. Manufactured from durable nylon resin and tin-plated brass, it offers robust performance with excellent corrosion resistance.
This through-hole mounted header provides reliable electrical connections supporting 4A current per contact, making it suitable for various low-current electronics applications. Its unshrouded design and straight orientation facilitate easy integration on printed circuit boards.
The contact pins feature a tail length of 3.56 mm and a mating length of 2.54 mm, optimized for secure solder joint quality. Operating temperature ranges from -40°C to 105°C, allowing usage in harsh industrial and environmental conditions without degradation.
The header incorporates a friction lock mechanism, ensuring retention stability even during exposure to high vibration, which is critical in applications like gaming consoles and industrial automation systems.
Its reliability extends to soldering processes; it is wave solder capable and can tolerate soldering temperatures up to +235°C for a single cycle, enabling efficient manufacturing workflows.
Common use cases include gaming systems, home security installations, medical instrumentation, and automated industrial equipment requiring dependable wire-to-board connectivity. The header supports a maximum voltage rating of 250V for safe operation.
It is compatible with Molex 2695 and 6471 series crimp terminal housings with locking ramps and 7880 series high pressure housings, enabling flexible system design. The housing is made of red UL 94V-0 nylon for flame retardance and impact resistance.
Country of origin is China.
This product is part of Molex’s trusted KK 254 series, widely used in electronics for its proven reliability and ease of use. Enhance your PCB designs with this robust and precise pin header available through EnvMart's extensive industrial catalog.
Explore more products in our PCB Header category.
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Frequently Asked Questions
This model supports a maximum current of 4A per contact, suitable for low-current applications.
The contacts in this header are arranged with a pitch of 2.54 mm.
It operates within a temperature range of -40°C to 105°C, making it suitable for demanding industrial environments.
The housing is made of nylon, while the contacts are constructed from tin-plated brass, providing corrosion resistance.
This unit features through-hole mounting, ensuring secure installation on printed circuit boards.
The maximum voltage rating for this model is 250V, allowing for safe operation in various applications.
Yes, it is compatible with Molex 2695 and 6471 series crimp terminal housings and 7880 series high pressure housings.
The tail pin length for the contacts is 3.56 mm, optimized for secure solder joint quality.
The mating pin length is 2.54 mm, designed for effective connection.
This model uses solder termination, making it suitable for various PCB applications.
It is commonly used in gaming systems, home security, medical equipment, and industrial automation.
It incorporates a straight friction lock mechanism, ensuring retention stability even during high vibration exposure.
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