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SAMTEC RSM12902SD SMT Micro Socket

The RSM series SMT micro socket is a high-performance, surface-mount component designed for precise and reliable PCB connections in compact electronic assemblies. Made from black liquid crystal polymer insulator material with phosphor bronze contacts, it offers an operating temp range of -55°C to +125°C and a current rating of 3.1 A per pin. Suitable for board thicknesses up to 5.84 mm, it features RoHS compliance, lead-free solderability, and coplanarity of 0.10 mm. It mates with various pin headers, ensuring versatile compatibility in demanding electronic designs.

Authorized Distributors
Source:DigiKey
Part No:RSM-129-02-S-D
Stock:102
Inv Date:06-09-2026
Price: Unit price: $30.77
Buy/RFQ:
Source:DigiKey
Part No:RSM-129-02-S-D
Stock:0
Inv Date:06-09-2026
Price: Unit price: $14.8853
Buy/RFQ:
Part No:RSM-129-02-S-D
Stock:0
Inv Date:06-10-2026
Price: Unit price: $14.59
Buy/RFQ:
Part No:RSM-129-02-S-D
Stock:102
Inv Date:06-09-2026
Price: Unit price: $14.58
Buy/RFQ:

SAMTEC RSM12902SD SMT Micro Socket Specifications:

  • Insulator Material: Black Liquid Crystal Polymer
  • Contact Material: Phosphor Bronze with Gold Plating
  • Current Rating: 3.1 A per pin
  • Operating Temperature Range: -55°C to +125°C
  • Lead Size Accepted: 0.46 mm (.018") SQ
  • Insertion Depth: Top Entry (2.64 to 5.84 mm) (.104" to .230"), Pass-through available
  • Minimum Bottom Entry Depth: 5.49 mm (.216")
  • RoHS Compliant: Yes
  • Lead-Free Solderable: Yes
  • SMT Lead Coplanarity: Max 0.10 mm (.004")
  • Number of Positions: Up to 26 positions with optional configurations
  • Surface Mount Design for high-density PCB applications
  • Optional tape & reel packaging available for automation
  • Mates with: FTR, HTMS, HDWM, DWM, TML, ZML, TMS

Buy the Samtec Series RSM SMT Micro Socket: RSM12902SD

Secure your electronic assemblies with the SMT Micro Socket designed for durability and precision. Made from high-quality materials, it supports a temperature range of -55°C to +125°C and offers a current capacity of 3.1 A per pin. Its RoHS compliance and lead-free solderability ensure eco-friendly and safe manufacturing processes. Compatible with various PCB mounting options, including top and pass-through entry, it guarantees reliable power and signal connections in compact design spaces. Order now to ensure seamless productivity and product reliability.

Buy Samtec RSM-130-02-L-D now and experience unmatched reliability and performance in high-density electronic connections.

Frequently Asked Questions

Where can I buy SAMTEC RSM12902SD?

You can click on the BUY or RFQ button to purchase RSM12902SD from an authorized SAMTEC distributor.

How do I troubleshoot issues or seek technical support for part RSM12902SD?

You can download the RSM12902SD datasheet or visit the SAMTEC website for support.

Who is the manufacturer of RSM12902SD?

SAMTEC

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