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SAMTEC TSW12521SD Insulated Connector Series

The TSW12521SD is an industry-grade insulated connector series designed for reliable electrical connections in industrial applications. Featuring black glass-filled polyester insulators for high durability, it supports a voltage rating of 550 VAC when mated with SSW series and up to 500 VAC with BCS or ESQ series. Made from phosphor bronze with gold or tin plating, it withstands temperatures from -55°C to +125°C and is RoHS compliant. The series includes straight and right-angle pin configurations with various pin center spacings, ensuring versatile installation options suitable for complex circuitry and high-current environments.

Authorized Distributors
Source:DigiKey
Part No:TSW-125-21-S-D
Stock:50
Inv Date:06-19-2026
Price: Unit price: $52.12
Buy/RFQ:
Source:DigiKey
Part No:TSW-125-21-S-D
Stock:0
Inv Date:06-19-2026
Price: Unit price: $7
Buy/RFQ:
Part No:TSW-125-21-S-D
Stock:0
Inv Date:06-20-2026
Price: Unit price: $7.14
Buy/RFQ:
Part No:TSW-125-21-S-D
Stock:106
Inv Date:06-19-2026
Price: Unit price: $7.134
Buy/RFQ:

SAMTEC TSW12521SD Insulated Connector Series Specifications:

  • Insulator Material: TSW: Black Glass Filled Polyester, HTSW: Natural Liquid Crystal Polymer
  • Terminal Material: Phosphor Bronze
  • Plating: Gold over 50 µ
  • Nickel
  • Operating Temp Range: -55°C to +125°C with Gold, -55°C to +105°C with Tin
  • Voltage Rating: 550 VAC with SSW, 500 VAC with BCS or ESQ, 450 VAC with BCS or SSM, 400 VAC with CES
  • RoHS Compliant: Yes
  • Lead-Free Solderable: HTSW: Yes, TSW: No (Lead wave only)
  • Pin Centers: 2.54 mm (0.100 inch), Options up to 6.08 mm (0.240 inch)
  • Current Rating: Up to 5.2 A per pin depending on configuration, with high-temp and optional locking features
  • Configuration: Straight and right-angle versions, various options available, including shunt and elevation features

Buy the Samtec TSW12521SD – Reliable Insulated Connectors for Industrial Applications

Order the Samtec TSW12521SD insulated connector series online today and ensure robust, high-voltage electrical connections for your industrial and electronic projects. Designed for durability with glass-filled polyester insulators and phosphor bronze terminals, this series supports a voltage of up to 550 VAC and operates effectively from -55°C to +125°C. Available in straight and right-angle configurations, with options for gold or tin plating, these connectors are RoHS compliant and suitable for high-current, complex circuitry. Purchase now to enhance your system’s reliability and performance effortlessly.

Buy Samtec TSW12521SD now and experience unmatched reliability and performance in industrial electrical connections.

Frequently Asked Questions

Where can I buy SAMTEC TSW12521SD?

You can click on the BUY or RFQ button to purchase TSW12521SD from an authorized SAMTEC distributor.

How do I troubleshoot issues or seek technical support for part TSW12521SD?

You can download the TSW12521SD datasheet or visit the SAMTEC website for support.

Who is the manufacturer of TSW12521SD?

SAMTEC

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