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SAMTEC RSM12902LD Micro Connector

The SMT Micro Header & Socket with 27 mm pitch features high-reliability phosphor bronze contacts with gold plating, suitable for precise electronic connections. Designed with black liquid crystal polymer insulators, these headers support various configurations such as single or double row, polarized options, and multiple mounting styles including top or bottom entry. They are rated for operating temperatures from -55°C to +125°C, with a current rating of 3.1 A per pin. These compact, durable connectors are ideal for high-density electronic assemblies requiring reliable and easy-to-assemble connections.

Authorized Distributors
Source:DigiKey
Part No:RSM-129-02-L-D
Stock:102
Inv Date:05-27-2026
Price: Unit price: $24.98
Buy/RFQ:
Source:DigiKey
Part No:RSM-129-02-L-D
Stock:0
Inv Date:05-27-2026
Price: Unit price: $10.834
Buy/RFQ:
Part No:RSM-129-02-L-D
Stock:0
Inv Date:05-28-2026
Price: Unit price: $10.57
Buy/RFQ:
Part No:RSM-129-02-L-D
Stock:102
Inv Date:05-28-2026
Price: Unit price: $112000
Buy/RFQ:

SAMTEC RSM12902LD Micro Connector Specifications:

  • Insulator Material: Black Liquid Crystal Polymer
  • Contact Material: Phosphor Bronze with Gold on post
  • Terminal Material: Phosphor Bronze
  • Contact Thickness: 50 u" (1.27 um) Nickel
  • Current Rating: 3.1 A per pin
  • Operating Temperature: -55°C to +125°C with Gold; -55°C to +125°C with Tin on contact
  • Lead Size Acceptance: 0.08" to 0.102" (2.03mm to 2.59mm)
  • Insertion Depth: 2.64 mm to 5.84 mm
  • Lead Lengths: Varies from 0.25" to 1.09" (6.35 mm to 27.7 mm)
  • Lead Coplanarity: Max 0.10 mm (0.004") for RSM and FTR, 0.15 mm (0.006") for models 21-40
  • Number of Positions: 2 to 40
  • Packaging: Tape & Reel, Full Reel available
  • Additional Options: Locking clips, different plating, non-standard lengths

Buy the Buy SMT Micro Header & Socket Part Number RSM12902LD Online

Order the SMT Micro Header and Socket with 27 mm pitch online today. Engineered with durable phosphor bronze contacts with gold plating, these connectors ensure reliable performance. Suitable for high-density electronic assemblies, they feature black liquid crystal polymer insulators and support single or double row configurations. With a temperature range of -55°C to +125°C and rated for 3.1 A per pin, these connectors provide excellent electrical contact, easy assembly, and versatile mounting options for various industrial and consumer electronics projects.

Get SMT Micro Header & Socket RSM12902LD today—designed for high-density connections and long-lasting durability.

Frequently Asked Questions

Where can I buy SAMTEC RSM12902LD?

You can click on the BUY or RFQ button to purchase RSM12902LD from an authorized SAMTEC distributor.

How do I troubleshoot issues or seek technical support for part RSM12902LD?

You can download the RSM12902LD datasheet or visit the SAMTEC website for support.

Who is the manufacturer of RSM12902LD?

SAMTEC

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