H2EDGCR-2.5 Pluggable terminal block Right Pin Header

H2EDGCR-2.5 Pluggable Terminal Block Right Pin Header

The part used for soldering to the circuit board and establishing electrical connection. Right Pin Header refers to the pin insertion part that is not straight, but has been bent and shaped at a specific angle (usually 90 degrees).

Design Advantages of Right Pin Header

The design of the curved needle is not arbitrary; it primarily aims to address issues related to space and assembly. Its core advantages include:

• Achieve horizontal installation: Unlike straight pin terminals that lead wires vertically (occupying height), the 90-degree bent pin allows the terminal body to sit parallel to the circuit board. Wires are inserted horizontally, greatly saving vertical space inside compact devices.
• Provide strain relief: When the wire is horizontally inserted, the "L" shape of the bending pin acts as a buffer. It absorbs and distributes pulling or vibration stresses, reducing direct damage to solder joints and enhancing mechanical reliability.
• Easy to wire and maintain: Horizontally arranged wires are neat and easy to identify. In dense environments, accessing wires from the side is much more convenient than from above, making plug-in operations unobstructed during maintenance.
• Compatible panel cut-out: The bent pin design enables the entire terminal block to be flatly attached to the inside of the equipment panel, allowing users to connect wires from the outside while the insertion pins are soldered to the internal PCB.

Type and Pole

Type: PCB Pluggable Screw Terminal Block

Available Poles:

Technical Specifications

Structural Details & Forming Process

• Angle: The most common bend is a 90° right-angle bend, which is the industry standard and the default form of our bending needle.
• Material and Plating: The base material is typically made of copper alloys such as brass and phosphor bronze for high conductivity and elasticity. The curved needle is usually tin-plated to provide good solderability and prevent oxidation. Gold plating is available for more demanding applications.
• Forming Process: The curved needle is molded in one step through a precise stamping and bending process. It is smooth, burr-free, and has precise angles to ensure exact alignment when inserted into the socket.
• Type of Soldering Leg:
  - Through-hole type: Passes through the PCB hole and is fixed via wave or manual soldering (most secure).
  - SMT (Surface Mount) type: Solder pads are located at the bottom of the bent portion, connected to the PCB through reflow soldering.

Packaging & Shipping

We choose high-quality and safe packaging materials to make sure your order won't be damaged during delivery. Acceptable trade terms include: EXW, FOB, CFR, CIF.

Application of Pluggable Terminal Block

2.5mm pitch bent pin plug-in terminal blocks adapt flexibly to multi-type sockets and meet keying requirements. They are widely used in electronic devices with limited space:

• Industrial control: PLC, frequency converters, servo drivers, motion controllers.
• Power systems: Electricity meters, protective relays, three-phase power meters, microcomputer protection devices.
• Communication equipment: Routers, switches, base station modules, IoT equipment.
• Instruments and meters: Data collectors, testing and measuring equipment.
• Other: Security equipment, general electric and automation equipment.

Terminal Block FAQ