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TE CONNECTIVITY 31781283 High-Current Power Connector

This series offers high-reliability, small-sized connectors designed for industrial applications including signal, power, and high-current needs. Features include multiple pitches, gold and tin plating options, waterproof sealing, and excellent mating durability. Suitable for PCB mounting, panel, and free hanging configurations, these connectors incorporate safety mechanisms, keying to prevent mis-insertion, and modular housing for easy assembly and maintenance. They support various wire sizes up to 30 AWG, with robust contact structures for high-current capacity and reliable operation in harsh environments. Ideal for automation, machinery, and control panels, ensuring efficient and secure connections.

Authorized Distributors
Source:Newark
Part No:3-178128-3
Stock:123
Inv Date:06-09-2026
Price: Unit price: $0.493
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Source:DigiKey
Part No:3-178128-3
Stock:5738
Inv Date:06-09-2026
Price: Unit price: $0.88
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Part No:3-178128-3
Stock:4644
Inv Date:06-10-2026
Price: Unit price: $0.78
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Part No:3-178128-3
Stock:15
Inv Date:06-09-2026
Price: Unit price: $0.9
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Part No:3-178128-3
Stock:712
Inv Date:06-09-2026
Price: Unit price: $0.495
Buy/RFQ:
Part No:3-178128-3
Stock:712
Inv Date:06-09-2026
Price: Unit price: $0.495
Buy/RFQ:
Part No:3-178128-3
Stock:470
Inv Date:06-09-2026
Price: Unit price: $0.6133
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TE CONNECTIVITY 31781283 High-Current Power Connector Specifications:

  • Current Rating: 15A to 65A depending on series and application
  • Voltage Rating: 125V AC/DC to 600V AC/DC depending on series
  • Wire Range: AWG 22-12, 26-6, 28-4, 30-2, 34-1, varies by product
  • Contact Resistance: 10mΩ max
  • Dielectric Withstanding Voltage: 1500V AC to 3000V AC
  • Operating Temperature: -55°C to +105°C
  • Housing Material: UL94V-0 glass-reinforced thermoplastic (PBT), metal housings where specified
  • Plating: Gold (0.38μm, 0.76μm) or Tin, depending on requirement
  • Ingress Protection: IP20 to IP68 depending on housing type (molded, metal, etc.)
  • Durability: Up to 50-500 mating cycles depending on series
  • Physical Dimensions: Vary by series with detailed measurements per product from datasheets
  • Keying: Slit with multiple keying patterns to prevent misinsertion
  • Housing: Panel, free hanging, horizontal, vertical configurations, with modular or fixed design
  • Safety features: Locking mechanisms, safety caps, and waterproof sealing options
  • Applicable tools: Crimping, extraction, and specific application tools compatible with each series
  • Certifications: RoHS compliant, UL, CSA, TUV where applicable

Buy the Buy TE Connectivity High-Current Power Connector Part Number 179960 Online

Enhance your industrial power and signal connections with TE Connectivity's high-current connector, featuring gold and tin plating options, IP sealing, and robust contact design. Perfect for automation, machinery, and control panels, this connector ensures secure, reliable performance in harsh environments. Easy to install and maintain with safety locking and keying features, it supports various wire sizes up to 30 AWG. Order online today for fast delivery and peace of mind in your power and signal application needs.

Get TE Connectivity high-current power connector Part Number 179960 today—built for high reliability, durability, and safe industrial power applications.

Frequently Asked Questions

Where can I buy TE CONNECTIVITY 31781283?

You can click on the BUY or RFQ button to purchase 31781283 from an authorized TE CONNECTIVITY distributor.

How do I troubleshoot issues or seek technical support for part 31781283?

You can download the 31781283 datasheet or visit the TE CONNECTIVITY website for support.

Who is the manufacturer of 31781283?

TE CONNECTIVITY

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