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SAMTEC TMM10303GD Through-Hole Header

The through-hole low-profile header features a 3.21mm pitch, gold flash plating, and a matte finish, compatible with polarizing options for secure connections. Made with phosphor bronze and gold-plated on the contact side, it offers a current rating of 2A and a temperature range of -55°C to +125°C. Suitable for high-reliability applications, it ensures corrosion resistance and excellent electrical contact. Available in various lengths and options, this connector is ideal for compact circuit designs and low-profile assemblies.

Authorized Distributors
Source:DigiKey
Part No:TMM-103-03-G-D
Stock:36
Inv Date:05-27-2026
Price: Unit price: $0.94
Buy/RFQ:
Part No:TMM-103-03-G-D
Stock:1083
Inv Date:05-28-2026
Price: Unit price: $1.05
Buy/RFQ:
Part No:TMM-103-03-G-D
Stock:2082
Inv Date:05-28-2026
Price: Unit price: $10500
Buy/RFQ:
Part No:TMM-103-03-G-D
Stock:200
Inv Date:05-28-2026
Price: N/A
Buy/RFQ:

SAMTEC TMM10303GD Through-Hole Header Specifications:

  • Pitch: 3.21mm
  • Material: Phosphor Bronze
  • Plating: Gold flash (30 micro-inches)
  • Insulator Material: Crystal Polymer Matte Tin
  • Terminal Material: Phosphor Bronze
  • Current Rating: 2A
  • Operating Temp Range: -55°C to +125°C
  • Voltage Rating: 281 VAC mated with polarized positions, 350 VAC with other positions
  • Number of positions: Varies (details in application notes)
  • Mounting Style: Through-hole, low-profile
  • Lead-Free Solderable: Yes
  • Finish: Matte Tin on tail, Gold on post
  • Retention Clip Option: Available
  • Dimensions and Lengths: Varying options including 8.00mm to 9.58mm lengths
  • Application: Suitable for compact circuit assemblies and electronic modules

Buy the Samtec TMM10303GD – Reliable Through-Hole Header for Industrial Applications

Purchase the Samtec TMM10303GD through-hole header online today and enjoy premium quality, excellent corrosion resistance, and flexible mounting options. Designed for high-reliability circuit connections, this component features a 3.21mm pitch, gold flash plating, and a matte finish for secure electrical contact. Its compact size makes it ideal for low-profile assemblies in industrial equipment, automation systems, and electronic modules. Order now to ensure your projects meet the highest standards of performance and durability with this versatile connector.

Buy Samtec TMM10303GD now and experience unmatched reliability and versatile low-profile connections for industrial applications.

Frequently Asked Questions

Where can I buy SAMTEC TMM10303GD?

You can click on the BUY or RFQ button to purchase TMM10303GD from an authorized SAMTEC distributor.

How do I troubleshoot issues or seek technical support for part TMM10303GD?

You can download the TMM10303GD datasheet or visit the SAMTEC website for support.

Who is the manufacturer of TMM10303GD?

SAMTEC

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