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SAMTEC TMM12503TD Through-Hole Header

The TMM12503TD is a low-profile through-hole header designed for industrial applications, featuring gold flash plating and a polarized right-angle post. It offers a 3-21 pitch, with phosphor bronze terminal material, and a matte tin finish on tails for enhanced solderability. Suitable for use in high-reliability electronic assemblies, it supports a voltage rating of up to 350 VAC, operates within -55°C to +125°C, and is lead-free. This connector ensures secure board mating with optional retention clips, making it ideal for compact, rugged environments requiring reliable electrical connections.

Authorized Distributors
Source:DigiKey
Part No:TMM-125-03-T-D
Stock:389
Inv Date:05-27-2026
Price: Unit price: $7.78
Buy/RFQ:
Source:DigiKey
Part No:TMM-125-03-T-D
Stock:0
Inv Date:05-27-2026
Price: Unit price: $3.29
Buy/RFQ:
Part No:TMM-125-03-T-D
Stock:0
Inv Date:05-28-2026
Price: Unit price: $3.39
Buy/RFQ:
Part No:TMM-125-03-T-D
Stock:389
Inv Date:05-28-2026
Price: Unit price: $33900
Buy/RFQ:

SAMTEC TMM12503TD Through-Hole Header Specifications:

  • Pitch: 3-21 mm
  • Material: Phosphor Bronze with Gold flash plating on posts and Matte Tin on tails
  • Operating temperature: -55°C to +125°C
  • Voltage rating: up to 350 VAC
  • Lead-free, solderable
  • Color: Black Liquid Crystal Polymer Matte Finish
  • Retention clip option available
  • Post material: Gold-plated phosphor bronze
  • Tail plating: Matte Tin, 30 micrometers
  • Current rating: 2A per contact
  • Contact resistance: Low
  • Connector style: Through-hole, right-angle, polarized
  • Usages: High-reliability electronic assemblies requiring secure and durable connections

Buy the Samtec TMM12503TD – Reliable Through-Hole Header for Industrial Applications

Order the Samtec TMM12503TD through-hole header online today. Designed for high-reliability, compact electronic assemblies, it features gold flash plating, a polarized right-angle configuration, and a wide temperature range. This lead-free connector supports voltages up to 350 VAC, ensuring safe and durable electrical connections in industrial settings. Its phosphor bronze contacts and matte tin finish provide excellent solderability and corrosion resistance. Ideal for application in high-performance electronic equipment requiring secure, stable connections, and easy integration into tight spaces.

Get Samtec TMM12503TD today—built for precision and long-lasting durability in demanding industrial environments.

Frequently Asked Questions

Where can I buy SAMTEC TMM12503TD?

You can click on the BUY or RFQ button to purchase TMM12503TD from an authorized SAMTEC distributor.

How do I troubleshoot issues or seek technical support for part TMM12503TD?

You can download the TMM12503TD datasheet or visit the SAMTEC website for support.

Who is the manufacturer of TMM12503TD?

SAMTEC

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