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SAMTEC SQW12501LD High-Density Connector

The SQW series is a high-performance connector designed for reliable electrical connections in compact electronic assemblies. Constructed with a liquid crystal polymer insulator and phosphor bronze contacts, it features tin or gold plating over nickel for durability. Capable of withstanding voltages up to 500 VAC, this connector operates efficiently within a temperature range of -55°C to +125°C. It offers low contact resistance of 10 mΩ, and supports up to 20°C ratings of 5.5A, making it ideal for demanding industrial, telecommunications, and consumer electronics applications, with a robust cycle life up to 300 cycles.

Authorized Distributors
Source:DigiKey
Part No:SQW-125-01-L-D
Stock:53
Inv Date:05-27-2026
Price: Unit price: $5.51
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Part No:SQW-125-01-L-D
Stock:75
Inv Date:05-28-2026
Price: Unit price: $5.98
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Part No:SQW12501LD
Stock:0
Inv Date:05-28-2026
Price: N/A
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Part No:SQW-125-01-L-D
Stock:132
Inv Date:05-27-2026
Price: Unit price: $4.32
Buy/RFQ:
Part No:SQW-125-01-L-D
Stock:132
Inv Date:05-27-2026
Price: Unit price: $4.32
Buy/RFQ:
Part No:SQW-125-01-L-D
Stock:172
Inv Date:05-28-2026
Price: Unit price: $58400
Buy/RFQ:
Part No:SQW-125-01-L-D
Stock:8
Inv Date:05-28-2026
Price: N/A
Buy/RFQ:

SAMTEC SQW12501LD High-Density Connector Specifications:

  • Insulator Material: Liquid Crystal Polymer
  • Contact Material: Phosphor Bronze
  • Plating: Sn or Au over Ni (0.127 μm)
  • Voltage Rating: 500 VAC
  • Operating Temperature Range: -55°C to +125°C
  • Contact Resistance: 10 mΩ max
  • Insertion Depth: 2.62 mm (0.103 inches)
  • Insertion Force: 4.80 N (0.50 N) avg.
  • Withdrawal Force: 4.00 N (0.28 N) avg.
  • Current Rating at 20°C: 5.5A
  • Number of Positions: 300 (2.00 mm pitch)
  • Maximum Cycles: Up to 300
  • Processing: Gold flash on contact, matte tin on tail, max temp 230°C for 60 sec
  • Lead-Free Solderable: Yes for certain variants
  • Surface Mount: Yes, with coplanarity < 0.15 mm

Buy the Samtec Series SQW Connector: SQW12501LD

Order the Samtec SQW12501LD high-density connector today for durable, reliable connections in compact electronics. Perfect for industrial, telecommunications, and consumer applications, this connector features liquid crystal polymer insulation, phosphor bronze contacts with optional gold plating, and supports voltages up to 500 VAC. Designed to operate from -55°C to +125°C, it withstands up to 300 cycles, ensuring long-term performance. Buy online now to experience quick delivery and expert support for your electronic projects.

Get Samtec SQW12501LD today—built for high reliability and long-lasting durability in electronic assemblies.

Frequently Asked Questions

Where can I buy SAMTEC SQW12501LD?

You can click on the BUY or RFQ button to purchase SQW12501LD from an authorized SAMTEC distributor.

How do I troubleshoot issues or seek technical support for part SQW12501LD?

You can download the SQW12501LD datasheet or visit the SAMTEC website for support.

Who is the manufacturer of SQW12501LD?

SAMTEC

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