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SAMTEC ESQ12558ST Industrial Connector

This high-quality connector is designed for industrial applications, providing excellent durability and reliable electrical performance in demanding environments. Made with a black glass-filled polyester insulator and phosphor bronze contacts with gold-plated or tin-plated finishes, it supports up to 5.2A or 5.7A current per pin and operates within a temperature range of -55°C to +125°C with gold plating. It features a flexible insertion depth from 0.145" to 0.250", RoHS compliance, and wave-solderable, lead-free construction. Ideal for demanding industrial equipment requiring secure, high-performance connectivity.

Authorized Distributors
Source:DigiKey
Part No:ESQ-125-58-S-T
Stock:22
Inv Date:05-27-2026
Price: Unit price: $51.57
Buy/RFQ:
Source:DigiKey
Part No:ESQ-125-58-S-T
Stock:0
Inv Date:05-27-2026
Price: Unit price: $20.95
Buy/RFQ:
Source:DigiKey
Part No:ESQ-125-58-S-T
Stock:500
Inv Date:05-27-2026
Price: Unit price: $16.93
Buy/RFQ:
Part No:ESQ-125-58-S-T
Stock:0
Inv Date:05-28-2026
Price: Unit price: $20.95
Buy/RFQ:
Part No:ESQ-125-58-S-T
Stock:22
Inv Date:05-20-2026
Price: Unit price: $23.46
Buy/RFQ:

SAMTEC ESQ12558ST Industrial Connector Specifications:

  • Insulator Material: Black Glass Filled Polyester
  • Contact Material: Phosphor Bronze
  • Plating: Au or Sn over 50" (1.27 μm)
  • Current Rating: 5.2A per pin with gold, 5.7A per pin with tin
  • 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" to 0.250" (3.68 mm to 6.35 mm)
  • Normal Force: 125 grams (4.4 N)
  • Number of Pins: 2 pins powered
  • RoHS Compliant: Yes
  • Lead-Free Solderable: Wave only
  • Certifications: RoHS compliant
  • Plating Thickness: 50" (1.27 μm)
  • Maximum Cycles: 100 with 10 μm (0.25 μm) Au
  • Contact Style: Low insertion force available

Buy the Samtec Series ESQ Industrial Connector: ESQ12558ST

Purchase the Samtec ESQ12558ST industrial connector online today and ensure robust, dependable performance for your demanding applications. Featuring gold and tin plating options, supporting high currents up to 5.7A per pin, this connector operates reliably within a wide temperature range from -55°C to +125°C. Its black glass-filled polyester insulator and phosphor bronze contacts guarantee durability and excellent electrical contact. With a flexible insertion depth of 0.145" to 0.250", RoHS compliance, and wave solderability, this connector is ideal for industrial equipment seeking secure, long-lasting connections.

Get Samtec ESQ12558ST today—built for industrial durability and reliable electrical performance in demanding environments.

Frequently Asked Questions

Where can I buy SAMTEC ESQ12558ST?

You can click on the BUY or RFQ button to purchase ESQ12558ST from an authorized SAMTEC distributor.

How do I troubleshoot issues or seek technical support for part ESQ12558ST?

You can download the ESQ12558ST datasheet or visit the SAMTEC website for support.

Who is the manufacturer of ESQ12558ST?

SAMTEC

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