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MOLEX / WALDOM 39281023 Mini-Fit Jr. Power Connector

The MOLEX / WALDOM 39-28-1023 is a Mini-Fit Jr. Vertical Header, part of the 5566 series, designed for robust wire-to-board connections. This connector offers a 4.20mm pitch, dual-row layout with 2 circuits, and utilizes tin plating for enhanced durability and conductivity. It's ideal for applications requiring a secure and reliable power connection, commonly found in industrial equipment, automotive systems, and consumer electronics. The connector is RoHS compliant and supports a maximum current of 9.0A per contact and a maximum voltage of 600V. Refer to Molex product specification PS-5666-001 for current de-rating information.

Authorized Distributors
Source:Newark
Part No:39-28-1023
Stock:45438
Inv Date:06-17-2026
Price: Unit price: $0.354
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Source:DigiKey
Part No:39281023
Stock:37693
Inv Date:06-17-2026
Price: Unit price: $0.31
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Part No:39-28-1023
Stock:79455
Inv Date:06-18-2026
Price: Unit price: $0.53
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Part No:39-28-1023
Stock:11682
Inv Date:06-17-2026
Price: Unit price: $0.27
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Part No:39-28-1023
Stock:37599
Inv Date:06-17-2026
Price: Unit price: $0.2404
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Part No:39-28-1023
Stock:53250
Inv Date:06-17-2026
Price: Unit price: $0.2869
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Part No:39-28-1023
Stock:37599
Inv Date:06-17-2026
Price: Unit price: $0.2404
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Part No:39-28-1023
Stock:5448
Inv Date:06-17-2026
Price: Unit price: $0.2869
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MOLEX / WALDOM 39281023 Mini-Fit Jr. Power Connector Specifications:

  • Pitch - Mating Interface: 4.20mm
  • Pitch - Termination Interface: 4.20mm
  • Circuits (Loaded): 2
  • Circuits (maximum): 2
  • Material - Plating Mating: Tin
  • Material - Plating Termination: Tin
  • Material - Resin: Nylon
  • Flammability: 94V-2
  • Guide to Mating Part: None
  • Lock to Mating Part: Yes
  • PCB Tail Length: 3.50mm
  • PCB Locator: Yes
  • PCB Retention: None
  • PCB Thickness - Recommended: 1.60mm
  • Current - Maximum per Contact: 9.0A
  • Voltage - Maximum: 600V
  • Temperature Range - Operating: -40°C to +105°C
  • Termination Interface: Style: Through Hole
  • Engineering Number: 5566-02A
  • Application Specification: AS-5557-001-001
  • Packaging Specification: PK-5566-000, PK-5566-003-001
  • Product Specification: PS-5556-001, RPS-5556-004-001, TS-5556-002-001
  • Sales Drawing: SD-5566-002-000
  • Plating min - Mating: 0.889µm
  • Plating min - Termination: 0.889µm
  • Polarized to Mating Part: Yes
  • Polarized to PCB: Yes
  • Shrouded: Fully
  • Stackable: No
  • Surface Mount Compatible (SMC): No

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Frequently Asked Questions

Where can I buy MOLEX / WALDOM 39281023?

You can click on the BUY or RFQ button to purchase 39281023 from an authorized MOLEX / WALDOM distributor.

How do I troubleshoot issues or seek technical support for part 39281023?

You can download the 39281023 datasheet or visit the MOLEX / WALDOM website for support.

Who is the manufacturer of 39281023?

MOLEX / WALDOM

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