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SAMTEC MTMM12503SD120 High-Density Through-Hole Header

The MTMM12503SD120 is a modified through-hole header designed for reliable PCB connections in electronic assemblies. Crafted from black liquid crystal polymer insulator material and phosphor bronze terminals plated with tin or gold, it offers excellent thermal stability, RoHS compliance, and solderability. This multi-row, high-density connector is ideal for board-to-board or wire-to-board applications, supporting a range of configurations. Its robust construction ensures durability up to 125°C, making it suitable for demanding electronic environments requiring precise, secure connections with easy assembly and disassembly.

Authorized Distributors
Source:DigiKey
Part No:MTMM-125-03-S-D-120
Stock:117
Inv Date:05-27-2026
Price: Unit price: $29.7
Buy/RFQ:
Source:DigiKey
Part No:MTMM-125-03-S-D-120
Stock:0
Inv Date:05-27-2026
Price: Unit price: $8.93
Buy/RFQ:
Part No:MTMM-125-03-S-D-120
Stock:0
Inv Date:05-28-2026
Price: Unit price: $8.93
Buy/RFQ:
Part No:MTMM-125-03-S-D-120
Stock:0
Inv Date:05-27-2026
Price: Unit price: $9.69
Buy/RFQ:
Part No:MTMM-125-03-S-D-120
Stock:0
Inv Date:05-27-2026
Price: Unit price: $9.69
Buy/RFQ:
Part No:MTMM-125-03-S-D-120
Stock:117
Inv Date:05-20-2026
Price: Unit price: $10
Buy/RFQ:

SAMTEC MTMM12503SD120 High-Density Through-Hole Header Specifications:

  • Insulator Material: Black Liquid Crystal Polymer (TCS) with RoHS compliance
  • Terminal Material: Phosphor Bronze, 0.13 mm thick
  • Plating Options: Sn (tin) or Au (gold) over 50 μ
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • 1.27
  • 0.05
  • 0.13
  • 50
  • Operating Temperature Range: -55°C to +125°C depending on plating
  • RoHS Compliant: Yes
  • Solderability: Lead-Free, RoHS compliant
  • Design: Multiple configurations, non-standard, non-returnable
  • Note: Designs and specifications subject to change without notice

Buy the Samtec Series MTMM High-Density Through-Hole Header: MTMM12503SD120

Purchase the Samtec Series MTMM high-density through-hole header MTMM12503SD120 online today to ensure your electronic projects benefit from reliable, RoHS-compliant connectivity. Featuring black liquid crystal polymer insulators, phosphor bronze terminals plated with tin or gold, and supporting multiple configurations, this connector offers excellent thermal stability, easy solderability, and durability up to 125°C. Its compact design enables secure, high-density PCB connections, ideal for demanding industrial, automation, and electronic applications requiring precision, quick assembly, and long-term reliability.

Order your Samtec Series MTMM MTMM12503SD120 high-reliability header today and ensure secure, durable PCB connections for demanding electronic assemblies.

Frequently Asked Questions

Where can I buy SAMTEC MTMM12503SD120?

You can click on the BUY or RFQ button to purchase MTMM12503SD120 from an authorized SAMTEC distributor.

How do I troubleshoot issues or seek technical support for part MTMM12503SD120?

You can download the MTMM12503SD120 datasheet or visit the SAMTEC website for support.

Who is the manufacturer of MTMM12503SD120?

SAMTEC

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