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SAMTEC RSM12902LS High-Density PCB Connector

The RSM12902LS series are surface-mount, top and bottom entry, high-density connectors designed for PCB applications. Made with phosphor bronze contact material and liquid crystal polymer insulator, these connectors support RoHS compliance and feature gold or tin plating over nickel for enhanced durability. They offer a current rating of 3.1 A per pin at temperatures ranging from 85°C to 125°C. With a minimal insertion force of 35 oz and withdrawal force of 1.5 oz, they are ideal for compact, reliable electrical connections, suitable for various PCB layouts and industry applications.

Authorized Distributors
Source:DigiKey
Part No:RSM-129-02-L-S
Stock:102
Inv Date:05-27-2026
Price: Unit price: $15.41
Buy/RFQ:
Source:DigiKey
Part No:RSM-129-02-L-S
Stock:0
Inv Date:05-27-2026
Price: Unit price: $6.52
Buy/RFQ:
Part No:RSM-129-02-L-S
Stock:0
Inv Date:05-28-2026
Price: Unit price: $6.91
Buy/RFQ:
Part No:RSM-129-02-L-S
Stock:102
Inv Date:05-28-2026
Price: Unit price: $69100
Buy/RFQ:

SAMTEC RSM12902LS High-Density PCB Connector Specifications:

  • Material: Phosphor Bronze contact, Liquid Crystal Polymer insulator
  • Plating: Au or Sn over 50u" Ni
  • Current Rating: 3.1 A per pin
  • Temperature Range: 85°C to 125°C
  • Contact Resistance: 10 mΩ
  • Insertion Force: 35 oz (0.97 N)
  • Withdrawal Force: 1.5 oz (0.42 N)
  • RoHS Compliant: Yes
  • Mounting: Surface Mount
  • Entry Types: Top Entry (2.64 mm, 0.104") and Bottom Entry (5.49 mm, 0.216")
  • Packaging: Tape & Reel (optional)
  • Dimensions: Vary with selected options, standard sizes include 1.27 mm and 2.64 mm pitch
  • Additional notes: Recognized for reliability and precision in high-density PCB applications

Buy the Buy Samtec RSM-129-02-L-D Part Number RSM12902LS Online

Get your Samtec RSM12902LS series high-density surface-mount connector today and ensure reliable electrical connections in your electronic designs. Ideal for compact PCB layouts, these connectors feature durable gold or tin plating over nickel, support RoHS compliance, and handle currents up to 3.1 A per pin at operating temperatures between 85°C and 125°C. With options for top and bottom entry, tape & reel packaging, and variation in size, this product meets the demanding requirements of modern electronics manufacturing. Buy now for robust, efficient connectivity.

Order your Samtec Series RSM12902LS connector today and experience reliable, high-density PCB connections for your electronic projects.

Frequently Asked Questions

Where can I buy SAMTEC RSM12902LS?

You can click on the BUY or RFQ button to purchase RSM12902LS from an authorized SAMTEC distributor.

How do I troubleshoot issues or seek technical support for part RSM12902LS?

You can download the RSM12902LS datasheet or visit the SAMTEC website for support.

Who is the manufacturer of RSM12902LS?

SAMTEC

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