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SAMTEC ESQ12512ST Industrial Connector

This component is designed for industrial applications, providing reliable performance in demanding environments. It features a black glass-filled polyester insulator, phosphor bronze contacts with gold or tin plating, and supports a current rating of up to 5.7 A per pin. Its operating temperature range is from -55°C to +125°C with gold plating and -55°C to +105°C with tin plating. The connector's insertion depth varies from 0.145 inches (3.68 mm) to 0.250 inches (6.35 mm). It is RoHS compliant, lead-free, and suitable for wave soldering, making it ideal for rugged industrial use.

Authorized Distributors
Source:DigiKey
Part No:ESQ-125-12-S-T
Stock:26
Inv Date:05-27-2026
Price: Unit price: $40.09
Buy/RFQ:
Source:DigiKey
Part No:ESQ-125-12-S-T
Stock:0
Inv Date:05-27-2026
Price: Unit price: $16.28
Buy/RFQ:
Part No:ESQ-125-12-S-T
Stock:0
Inv Date:05-28-2026
Price: Unit price: $16.28
Buy/RFQ:
Part No:ESQ-125-12-S-T
Stock:13
Inv Date:05-28-2026
Price: Unit price: $182300
Buy/RFQ:

SAMTEC ESQ12512ST Industrial Connector Specifications:

  • Insulator Material: Black Glass Filled Polyester
  • Contact Material: Phosphor Bronze
  • Plating: Au or Sn over
  • Plating Thickness: 50 micro inches (1.27 micrometers)
  • Current Rating: 5.2 A per pin with ESW/TSW, 5.7 A per pin with ESQ/TSW
  • Voltage Rating: 30 VAC
  • Operating Temperature Range: -55°C to +125°C with Gold, -55°C to +105°C with Tin
  • Insertion Depth: 0.145 inches (3.68 mm) to 0.250 inches (6.35 mm)
  • Normal Force: 125 grams (4.4 N)
  • Cycle Life: 100 cycles with 10 micro inches (0.25 micrometers) Au
  • RoHS Compliant: Yes
  • Lead-Free Solderable: Wave only
  • Certifications: Recognized under RoHS, suitable for industrial soldering
  • Contact Resistance: Low contact resistance for reliable electrical performance
  • Compatibility: Suitable with various industry-standard connectors and applications

Buy the Buy Samtec ESQ Part Number ESQ12512ST Online

Purchase the Samtec industrial connector online today. Designed for high performance in demanding environments, it features gold or tin plating, a robust black polyester insulator, and a current rating of up to 5.7 A per pin. Its operating temperature extends from -55°C to +125°C, ensuring reliability under extreme conditions. The connector’s insertion depth varies from 0.145 inches to 0.250 inches, with a normal force of 125 grams. RoHS compliant and lead-free, it is ideal for rugged industrial applications requiring durable, high-quality connections for reliable electrical performance.

Get Samtec ESQ12512ST today—built for industrial reliability and long-lasting durability in demanding environments.

Frequently Asked Questions

Where can I buy SAMTEC ESQ12512ST?

You can click on the BUY or RFQ button to purchase ESQ12512ST from an authorized SAMTEC distributor.

How do I troubleshoot issues or seek technical support for part ESQ12512ST?

You can download the ESQ12512ST datasheet or visit the SAMTEC website for support.

Who is the manufacturer of ESQ12512ST?

SAMTEC

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