
Original: $1.20
-65%$1.20
$0.42The Story
4 Pin 0.1" Polarized Locking Male Header – 2 Pack
Secure Connections with 4 Pin 0.1" Polarized Locking Male Headers
Looking for a reliable way to connect wires and components to your circuit boards? Our 4 Pin 0.1" Polarized Locking Male Header makes connections simple and secure. This user-friendly male PCB header is easy to solder onto any standard board with a 0.100" (2.54mm) pitch. Its clever polarized locking design ensures your plug stays in place—no accidental disconnects!
Perfect for Prototyping and Everyday Projects
Whether you’re building a hobby project or making repairs, this header works great with breadboards, prototyping boards, and standard PCBs. The square pins provide a snug fit, while the lock tab prevents plugs from slipping out. It’s ideal for wiring in machinery, power supplies, data connections, robotics, and more.
Compatible and Interchangeable
This 4 Pin Polarized Locking Male Header (Philmore 70-4804) is interchangeable with popular Molex KK series connectors, so it’s easy to find matching parts. Pair it with our 4 pin polarized female sockets for a trouble-free solution to your connection needs.
Technical Specifications
- Manufacturer: Philmore
- Manufacturer Part Number: 70-4804
- Number of Pins: 4
- Pin Spacing: 0.100" (2.54mm) on center
- PCB Hole Diameter: 0.03" (0.76mm) max
- Max PCB Thickness: 0.063" (1.6mm)
- Current Rating: 5A AC/DC
- Voltage Rating: 250VAC/DC
- Withstand Voltage: 1000VAC for 1 minute
- Insulation Resistance: 1000MΩ
- Temperature Range: -25°C to +85°C
- Contact Material: Brass, tin plated
- Housing Material: Nylon 66, UL 94V-2
What's Included
Each package contains 2 polarized locking male headers.
Why Choose This 4 Pin Polarized Locking Male Header?
- Easy installation and secure locking
- Works with breadboards and most PCB projects
- Compatible with Molex KK series
- Trusted Philmore quality – reliable connections, every time

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
4 Pin 0.1" Polarized Locking Male Header – 2 Pack
Secure Connections with 4 Pin 0.1" Polarized Locking Male Headers
Looking for a reliable way to connect wires and components to your circuit boards? Our 4 Pin 0.1" Polarized Locking Male Header makes connections simple and secure. This user-friendly male PCB header is easy to solder onto any standard board with a 0.100" (2.54mm) pitch. Its clever polarized locking design ensures your plug stays in place—no accidental disconnects!
Perfect for Prototyping and Everyday Projects
Whether you’re building a hobby project or making repairs, this header works great with breadboards, prototyping boards, and standard PCBs. The square pins provide a snug fit, while the lock tab prevents plugs from slipping out. It’s ideal for wiring in machinery, power supplies, data connections, robotics, and more.
Compatible and Interchangeable
This 4 Pin Polarized Locking Male Header (Philmore 70-4804) is interchangeable with popular Molex KK series connectors, so it’s easy to find matching parts. Pair it with our 4 pin polarized female sockets for a trouble-free solution to your connection needs.
Technical Specifications
- Manufacturer: Philmore
- Manufacturer Part Number: 70-4804
- Number of Pins: 4
- Pin Spacing: 0.100" (2.54mm) on center
- PCB Hole Diameter: 0.03" (0.76mm) max
- Max PCB Thickness: 0.063" (1.6mm)
- Current Rating: 5A AC/DC
- Voltage Rating: 250VAC/DC
- Withstand Voltage: 1000VAC for 1 minute
- Insulation Resistance: 1000MΩ
- Temperature Range: -25°C to +85°C
- Contact Material: Brass, tin plated
- Housing Material: Nylon 66, UL 94V-2
What's Included
Each package contains 2 polarized locking male headers.
Why Choose This 4 Pin Polarized Locking Male Header?
- Easy installation and secure locking
- Works with breadboards and most PCB projects
- Compatible with Molex KK series
- Trusted Philmore quality – reliable connections, every time























