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SAMTEC TMS12503GSRA Micro Terminal Strip Headers

The TMS series from Samtec comprises unshrouded micro terminal strip headers designed for through-hole mounting, featuring 0.018-inch square posts compatible with SMS, SLM, and RSM series connectors. These connectors, available in single or dual-row configurations with a pitch of 1.27mm, include optional polarization and support up to 100 pins. Made with black liquid crystal polymer insulation and phosphor bronze contacts with gold plating, they operate from -55°C to 125°C, ideal for reliable industrial and automation applications. UL compliant, they offer high durability and easy integration for various circuit board needs.

Authorized Distributors
Source:DigiKey
Part No:TMS-125-03-G-S-RA
Stock:73
Inv Date:05-27-2026
Price: Unit price: $14.11
Buy/RFQ:
Source:DigiKey
Part No:TMS-125-03-G-S-RA
Stock:0
Inv Date:05-27-2026
Price: Unit price: $6.17556
Buy/RFQ:
Part No:TMS-125-03-G-S-RA
Stock:0
Inv Date:05-28-2026
Price: Unit price: $6.68
Buy/RFQ:
Part No:TMS-125-03-G-S-RA
Stock:73
Inv Date:05-28-2026
Price: Unit price: $66900
Buy/RFQ:

SAMTEC TMS12503GSRA Micro Terminal Strip Headers Specifications:

  • Post Size: 0.018 inch (0.46mm) square
  • Pitch: 1.27mm (0.050 inch)
  • Insulator Material: Black liquid crystal polymer
  • Contact Material: Phosphor bronze
  • Plating: Gold over 50u” nickel (1.27um)
  • Current Rating: 5A per pin
  • Operating Temperature: -55°C to +125°C
  • Contact Resistance: 10 mΩ
  • Max Insertion Depth: 3.43mm (.135 inch)
  • Lead Size Accepted: 0.46mm (.018 inch) square
  • RoHS Compliant: Yes
  • UL Standard: E111594
  • Configurations: Single or double row, right angle options
  • Number of Pins: Up to 100
  • Part Number Example: TMS12503GSRA

Buy the Samlec TMS12503GSRA – Reliable Micro Connector Headers for Industrial Applications

Purchase Samtec TMS12503GSRA micro terminal strip headers online, engineered for through-hole mounting, high-current capacity, and reliable operation in demanding industrial environments. These connectors feature gold-plated contacts over phosphor bronze, providing excellent conductivity and corrosion resistance. Designed with a 1.27mm pitch and available in single and dual-row configurations, they support up to 100 pins and operate efficiently from -55°C to 125°C. Made with robust black liquid crystal polymer insulation, these high-quality connectors ensure long-lasting durability and seamless integration with automation systems. Order now for secure, dependable connections in your projects.

Get Samtec TMS12503GSRA today—built for precision, high-temperature operation, and durable industrial performance.

Frequently Asked Questions

Where can I buy SAMTEC TMS12503GSRA?

You can click on the BUY or RFQ button to purchase TMS12503GSRA from an authorized SAMTEC distributor.

How do I troubleshoot issues or seek technical support for part TMS12503GSRA?

You can download the TMS12503GSRA datasheet or visit the SAMTEC website for support.

Who is the manufacturer of TMS12503GSRA?

SAMTEC

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