Overview

The PMS series modular sockets are designed for power semiconductor packages, offering flexible layout options, Kelvin contact type, and high temperature variants. These sockets accommodate various package designs and support high current applications with reliable electrical and mechanical performance.

Key Features

• Flexible placement in various layouts depending on package design.
• Kelvin contact type for accurate current sensing.
• High temperature type available, supporting operating temperatures up to 220°C.

Product Variants and Specifications

PMS-5400P-S Series

• Minimum arrangement pitch: 5.4 mm.
• Acceptable lead size: width up to 4.0 mm, thickness 0.3–1.0 mm, minimum lead length 3.0 mm.
• Operating temperature: Standard -55 to +175°C; High Temperature (HT) -55 to +220°C.
• Durability: Minimum 10,000 cycles.
• Contact resistance: Maximum 20 mΩ.
• Material: Thermoplastic housing; copper alloy contacts with gold plating over nickel.
• Mounting method: Dual Inline Package (DIP), straight PCB mounting.

PMS-2540P-D Series

• Minimum arrangement pitch: 5.08 mm.
• Acceptable lead size: width up to 1.9 mm, thickness 0.3–1.0 mm, minimum lead length 3.0 mm.
• Similar temperature and durability specifications as PMS-5400P-S.

Other Variants

• PMS-4000P-S: Minimum pitch 4.0 mm, lead width max 3.1 mm.
• PMS-1778P-S: Minimum pitch 1.778 mm, lead width max 1.2 mm.

Mechanical and Electrical Characteristics

• Contact points designed with guide pins and screw holes for secure mounting.
• PCB layouts provided for top view placement, including clearance holes for leads and mounting screws.
• Temperature rise vs. current charts available for reference, indicating thermal performance under load.

Usage and Application Examples

• Suitable for power transistors, SIP packages, and Intelligent Power Modules (IPM).
• Examples of modular socket arrangements for various high current device packages such as TO-247 (4-pin), TO-3P, TO-220, TO-264, TO-257, and TO-262.
• Recommended quantities of sockets per package type are provided to optimize layout and performance.

Ordering Information

• Ordering format includes product code and quantity, e.g., PMS-5400P-S 3 pcs.
• Note that nuts and screws are not included with the sockets.

Additional Notes

• High temperature types have different specifications, including terminal temperature rise.
• Custom substrate design and manufacturing services are available upon request.

Summary

The PMS series modular sockets provide a versatile and reliable solution for mounting power semiconductor devices. Their modular design, high durability, and thermal performance make them suitable for various power electronics applications. Detailed PCB layouts and current-temperature rise charts assist in optimal design integration.