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SAMTEC TST12003SD20 board-to-board connector

Shrouded board-to-board connector with .025 inch square post IDC headers designed for reliable electrical connections in industrial and electronic applications. Featuring a durable construction with options for gold or tin plating, the connector supports operating temperatures from -55°C to +125°C with gold and -55°C to +105°C with tin. It is RoHS compliant and available in multiple sizes from 5 to 36 positions. The connector offers high insulation resistance, current ratings up to 2A, and ensures proper alignment with polarization and optional locking features. Suitable for applications requiring secure, modular, and efficient electronic connections across various industries.

Authorized Distributors
Source:DigiKey
Part No:TST-120-03-S-D-20
Stock:50
Inv Date:06-19-2026
Price: Unit price: $61.69
Buy/RFQ:
Source:DigiKey
Part No:TST-120-03-S-D-20
Stock:0
Inv Date:06-19-2026
Price: Unit price: $8.19
Buy/RFQ:
Part No:TST-120-03-S-D-20
Stock:0
Inv Date:06-20-2026
Price: Unit price: $8.45
Buy/RFQ:
Part No:TST-120-03-S-D-20
Stock:53
Inv Date:06-19-2026
Price: Unit price: $8.445
Buy/RFQ:

SAMTEC TST12003SD20 board-to-board connector Specifications:

  • Insulator Material: Filled Polyester
  • Insulation Resistance: Specified (not detailed)
  • Terminal Material: Phosphor Bronze
  • Plating: Au or Sn over Ni (most common)
  • Current Rating: Up to 2A
  • Operating Temp Range: -55°C to +125°C with Gold, -55°C to +105°C with Tin
  • Flammability Rating: UL 94V-0
  • RoHS Compliant: Yes
  • Lead-Free Solderable: Yes
  • Body Size Options: 5, 7, 8, 10, 12, 13, 15, 17, 20, 25, 32, 36
  • Dimensions: Includes specific lengths based on number of positions, typical sizes around 6.35mm to 36mm
  • Mechanical Features: Polarized, optional locking leads, alignment pins
  • Contact Material: Phosphor Bronze
  • Pin Spacing: 2.54 mm (0.1 inch)
  • Certifications: RoHS
  • Mounting Type: Through-hole and SMT compatibility
  • Series: TST, ZST, HTST, BCS

Buy the Samtec TST12003SD20 – Reliable PCB Connectors for Industrial Applications

Purchase the Samtec TST12003SD20 shrouded board-to-board connector now and benefit from high-quality, RoHS-compliant electrical connections ideal for industrial applications. Featuring a durable polyester insulator, options for gold or tin plating, and a temperature range from -55°C to +125°C, this connector provides excellent insulation resistance and current capacity up to 2A. Its versatile sizes and polarized design ensure reliable assembly, making it the perfect choice for engineers seeking a secure, modular connection solution online for manufacturing or repair projects.

Order your Samtec Series TST12003SD20 connector today and ensure your electronic projects have dependable, high-quality connections for industrial environments.

Frequently Asked Questions

Where can I buy SAMTEC TST12003SD20?

You can click on the BUY or RFQ button to purchase TST12003SD20 from an authorized SAMTEC distributor.

How do I troubleshoot issues or seek technical support for part TST12003SD20?

You can download the TST12003SD20 datasheet or visit the SAMTEC website for support.

Who is the manufacturer of TST12003SD20?

SAMTEC

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