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MOLEX / WALDOM 39290203 Mini-Fit Jr. Power Connector

The MOLEX / WALDOM 39-29-0203 is a Mini-Fit Jr. vertical header, part of the 5566 series, designed for robust power connections in wire-to-board applications. This header features 20 circuits arranged in a dual-row configuration with a 4.20mm pitch. Constructed with a natural resin body and gold-plated mating contacts and matte tin termination plating, it offers excellent electrical performance and durability. It is compatible with standard MiniFit female terminals and supports up to 9.0A of current per contact, making it suitable for a wide range of industrial and commercial applications. The header is RoHS compliant and features a polarized design for secure mating.

Authorized Distributors
Source:Newark
Part No:39-29-0203
Stock:206
Inv Date:06-17-2026
Price: Unit price: $14.87
Buy/RFQ:
Part No:39-29-0203
Stock:499
Inv Date:06-18-2026
Price: Unit price: $13.09
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Part No:39-29-0203
Stock:0
Inv Date:06-17-2026
Price: Unit price: $13.05
Buy/RFQ:
Part No:39-29-0203
Stock:97
Inv Date:06-17-2026
Price: Unit price: $11.03
Buy/RFQ:
Part No:39-29-0203
Stock:97
Inv Date:06-17-2026
Price: Unit price: $11.03
Buy/RFQ:

MOLEX / WALDOM 39290203 Mini-Fit Jr. Power Connector Specifications:

  • Circuits (Loaded): 20
  • Circuits (maximum): 20
  • Color - Resin: Natural
  • Durability (mating cycles max): 30
  • Flammability: 94V-2
  • Guide to Mating Part: None
  • Lock to Mating Part: Yes
  • Material - Plating Mating: Gold (0.762µm)
  • Material - Plating Termination: Matte Tin
  • Material - Resin: Nylon
  • Number of Rows: 2
  • Orientation: Vertical
  • PC Tail Length: 3.50mm
  • PCB Locator: Yes
  • PCB Retention: None
  • PCB Thickness - Recommended: 1.60mm
  • Pitch - Mating Interface: 4.20mm
  • Pitch - Termination Interface: 4.20mm
  • Plating min - Mating: 0.762µm
  • Plating min - Termination: 2.540µm
  • Polarized to Mating Part: Yes
  • Polarized to PCB: Yes
  • Shrouded: Fully
  • Stackable: No
  • Surface Mount Compatible (SMC): No
  • Temperature Range - Operating: -40°C to +105°C
  • Termination Interface: Style: Through Hole
  • Current - Maximum per Contact: 9.0A
  • Voltage - Maximum: 600V
  • Duration at Max. Process Temperature (seconds): 005
  • Lead-freeProcess Capability: WAVE
  • Max. Cycles at Max. Process Temperature: 001
  • Process Temperature max. C: 260
  • Engineering Number: 5566-20AGS
  • Application Specification: AS-5557-001-001
  • Packaging Specification: PK-5566-000, PK-5566-003-001
  • Product Specification: PS-5556-001
  • Sales Drawing: SD-5566-002-000

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Frequently Asked Questions

Where can I buy MOLEX / WALDOM 39290203?

You can click on the BUY or RFQ button to purchase 39290203 from an authorized MOLEX / WALDOM distributor.

How do I troubleshoot issues or seek technical support for part 39290203?

You can download the 39290203 datasheet or visit the MOLEX / WALDOM website for support.

Who is the manufacturer of 39290203?

MOLEX / WALDOM

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