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Molex KK 254 Series Right Angle Through Hole Pin Header, 4 Contacts, 2.54 mm Pitch, 1 Row, Unshrouded 171857-0004

Category PCB Header Brand Molex Condition New

Specifications

Country of Origin India
Voltage 250V
Brand Molex
Orientation Right Angle
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

Key Features

  • Designed for through-hole mounting with right angle orientation.
  • Features 4 brass contacts plated with tin for conductivity and corrosion resistance.
  • Supports a current rating of 4A and voltage up to 250V.
  • Constructed with nylon housing suitable for operating temperatures from -40°C to 105°C.
  • Termination type is solder with male contact gender.
  • Unshrouded style allows easy access for wire insertion and soldering.
  • Compatible with KK 254 Reflow Process Friction Lock Headers for high-temperature applications.
  • Recommended for PCB thickness of 1.60 mm.

Product Description

Molex 171857-0004 KK 254 Series Right Angle Through Hole Pin Header features 4 contacts with a 2.54 mm pitch arranged in a single row. It is designed for wire-to-board connector systems using through-hole solder mounting. The housing is made from nylon material, providing durability and thermal stability in operating temperatures between -40°C and 105°C.

This pin header uses brass contacts plated with tin to inhibit corrosion and ensure reliable electrical conductivity. The unshrouded design offers accessibility for soldering and cable connection. It supports a nominal current of 4A and voltage rating of 250V, making it suitable for various PCB connector applications in industrial, electronics, and manufacturing sectors.

The product supports KK 254 Reflow Process Compatible (RCP) Friction Lock Headers, designed to withstand temperatures up to +260°C without requiring drying like standard nylon components. Recommended PCB thickness for best performance is 1.60 mm.

These pin headers are commonly used for PCB interconnections, industrial electronics, communication devices, and power connectors where a robust wire-to-board interface is required.

Designed for through-hole mounting with right angle orientation. Brass contacts with tin plating for corrosion resistance. Nylon housing suitable for wide temperature range. Current rating of 4A and voltage rating of 250V.

Unshrouded, male contact for easy solder termination. Compatible with KK 254 Reflow Process Headers for high-temperature soldering. Recommended PCB thickness of 1.60 mm. Ideal for industrial and consumer electronics PCB connections.

Explore other PCB Header components and connectors from Molex and similar brands in EnvMart’s Electronics & Electricals category for comprehensive industrial and electronic application solutions.

Molex KK 254 Series Right Angle Through Hole Pin Header, 4 Contacts, 2.54 mm Pitch, 1 Row, Unshrouded 171857-0004
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Frequently Asked Questions

This model supports a current rating of 4A.

It has a voltage rating of up to 250V.

The contacts are arranged with a pitch of 2.54 mm.

This unit is designed for through-hole mounting.

It features brass contacts plated with tin and a nylon housing.

The recommended PCB thickness is 1.60 mm.

The housing is suitable for operating temperatures from -40°C to 105°C.

Yes, it is compatible with KK 254 Reflow Process Friction Lock Headers for high-temperature applications.

This model features 4 contacts arranged in a single row.

It uses solder termination with male contact gender.

The pin header is designed with a right angle orientation.

It is commonly used for PCB interconnections in industrial electronics, communication devices, and power connectors.

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