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SAMTEC TMS12903GSRA Micro Terminal Headers

The TMS series from Samtec are high-quality micro terminal strip headers designed for reliable through-hole mounting in industrial applications. These unshrouded headers feature a 0.018 inch (0.46 mm) square post, compatible with Samtec SMS, SLM, and RSM series connectors, offering single or dual row options with polarization up to 100 pins. Constructed from phosphor bronze with a black liquid crystal polymer insulator, they support a wide operating temperature from -55°C to 125°C, with 10-micron gold-plated contacts for excellent conductivity and corrosion resistance. These headers meet UL standards and are ideal for electronics demanding precision and durability.

Authorized Distributors
Source:DigiKey
Part No:TMS-129-03-G-S-RA
Stock:50
Inv Date:05-27-2026
Price: Unit price: $17.95
Buy/RFQ:
Source:DigiKey
Part No:TMS-129-03-G-S-RA
Stock:0
Inv Date:05-27-2026
Price: Unit price: $7.158
Buy/RFQ:
Part No:TMS-129-03-G-S-RA
Stock:0
Inv Date:05-28-2026
Price: Unit price: $6.58
Buy/RFQ:
Part No:TMS-129-03-G-S-RA
Stock:50
Inv Date:05-28-2026
Price: Unit price: $73700
Buy/RFQ:

SAMTEC TMS12903GSRA Micro Terminal Headers Specifications:

  • Insulator Material: Black Liquid Crystal Polymer
  • Terminal Material: Phosphor bronze with gold plating
  • Contact Resistance: Low, gold-plated contacts for high reliability
  • Operating Temperature Range: -55°C to +125°C
  • Pin Size: 0.018 inch (0.46 mm) square post
  • Pitch Spacing: 1.27 mm
  • Configuration: Single or dual row, polarization options up to 100 pins
  • Certifications: UL E111594 compliant
  • Material: Phosphor bronze, black liquid crystal polymer insulator
  • Max Processing Temp: Suitable for soldering processes at high temperature

Buy the Buy Samtec Micro Terminal Headers Part Number TMS12903GSRA Online

Order the Samtec TMS12903GSRA micro terminal headers online today. Designed for through-hole mounting with gold-plated contacts, these headers provide excellent electrical conductivity and durability. Their 0.018 inch post size and 1.27 mm pitch make them ideal for compact electronic assemblies requiring high reliability. Made with a black liquid crystal polymer insulator, they support wide temperature ranges from -55°C to 125°C. Suitable for industrial uses, these headers meet UL standards, ensuring top performance in demanding environments.

Get Samtec TMS12903GSRA today—built for precision, reliable contact, and long-lasting durability in industrial electronics.

Frequently Asked Questions

Where can I buy SAMTEC TMS12903GSRA?

You can click on the BUY or RFQ button to purchase TMS12903GSRA from an authorized SAMTEC distributor.

How do I troubleshoot issues or seek technical support for part TMS12903GSRA?

You can download the TMS12903GSRA datasheet or visit the SAMTEC website for support.

Who is the manufacturer of TMS12903GSRA?

SAMTEC

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