myMectronic
myMectronic

A Premier B2B Part Search

SAMTEC TMM10303GS Connector Header

The TMM series from Samtec features FleXYZ low-profile through-hole headers designed for versatile PCB connections. Made with phosphor bronze contacts plated in 20-micron gold over Ni, these unshrouded headers support one, two, or four-row configurations with up to 200 pins, various lengths, and options. The black liquid crystal polymer insulator ensures durability and high-temperature operation from -55°C to 125°C, supporting up to 3.2A current. Compatible with multiple Samtec connector series, these headers are ideal for industrial, automation, and electronic device applications. They mount horizontally, meet UL and CSA standards, and offer flexible configurations for demanding electronic assemblies.

Authorized Distributors
Source:Newark
Part No:TMM-103-03-G-S
Stock:7
Inv Date:05-27-2026
Price: Unit price: $0.805
Buy/RFQ:
Source:DigiKey
Part No:TMM-103-03-G-S
Stock:4333
Inv Date:05-27-2026
Price: Unit price: $0.74
Buy/RFQ:
Part No:TMM-103-03-G-S
Stock:2151
Inv Date:05-28-2026
Price: Unit price: $0.83
Buy/RFQ:
Part No:TMM10303GS
Stock:0
Inv Date:05-28-2026
Price: N/A
Buy/RFQ:
Part No:TMM-103-03-G-S
Stock:1686
Inv Date:05-20-2026
Price: Unit price: $0.83
Buy/RFQ:

SAMTEC TMM10303GS Connector Header Specifications:

  • Insulator Material: Black Liquid Crystal Polymer
  • Terminal Material: Phosphor Bronze
  • Plating: 20-micron Gold over Ni
  • Current Rating: 3.2 A per row
  • Operating Temp Range: -55°C to +125°C with Gold plating
  • Voltage Rating: 250 VAC (mated with SQT), 281 VAC (with SQW)
  • Mounting Style: Horizontal on PCB
  • Number of Rows: Single, dual, or four-row configurations
  • Pitch: 2 mm
  • Number of Pins: Up to 200 in various configurations
  • Standards: UL Listed, CSA Certified
  • Dimensions and Lengths: Various (specifics depend on configuration)
  • Compatibility: Supports Samtec TMM, CLT, SQT, SQW, ESQT, TLE, MMS, TCSD series
  • RoHS Compliant: Yes
  • Lead-Free Solderable: Yes

Buy the Buy Samtec TMM Series Part Number TMM10303GS Online

Purchase the Samtec TMM series connector headers online for reliable, high-density PCB connections. These low-profile headers feature gold-plated contacts for superior conductivity, support multiple configurations including up to four rows, and handle operating temperatures up to 125°C. Ideal for industrial, automation, and electronic applications, they are RoHS compliant and mount easily on PCB boards. With various lengths and options available, buying online ensures quick delivery and access to trusted specifications to meet your project needs efficiently.

Get Samtec TMM10303GS today—designed for flexible PCB connections and high-temperature durability.

Frequently Asked Questions

Where can I buy SAMTEC TMM10303GS?

You can click on the BUY or RFQ button to purchase TMM10303GS from an authorized SAMTEC distributor.

How do I troubleshoot issues or seek technical support for part TMM10303GS?

You can download the TMM10303GS datasheet or visit the SAMTEC website for support.

Who is the manufacturer of TMM10303GS?

SAMTEC

Sponsored by