| Attribute | Value |
|---|---|
| Product Category: | |
| Manufacturer: | Molex |
| Manufacturer Part Number: | Molex 03-04-4052 |
| Color: | Natural |
| Series: | 5557 - Mini-Fit Jr. |
| Amperage: | 13 A |
| Connector Type: | Mini-Fit Jr. |
| Gender: | Receptacle |
| Number of Contacts: | 5 |
| Number of Rows: | 1 |
| Pitch: | 4.2 mm |
| Material: | Nylon |
| Packaging: | Bag |
| Circuit Application: | Power |
| Polarized to Mate: | Yes |
| Connector System: | Wire to Board, Wire to Wire |
| CSA Agency Certification: | LR19980 |
| UL Agency Certification: | E29179 |
| Mates With: | Link:5559 Crimp Housings Plug|Link: 5566 PCB Header|Link:5569 PCB Header |
| Termination Pitch: | 4.2 mm |
| Glow Wire Capable: | No |
| Stackable: | No |
| Breakaway: | No |
| Product Name: | Mini-Fit Jr. |
| Material Flammability Standard: | 94V-2 |
| Part Aliases: | 0003044052 |
| SKU: | MOL03-04-4052 |
03-04-4052
| ICC Number: | MOL03-04-4052 |
| Manufacturer: | Molex |
| Manufacturer Number: | 03-04-4052 |
| Datasheet: | Product Specification |
| ECAD Model: |
Specifications
Detailed Description
Introducing the Mini-Fit Jr. Receptacle Housing, a versatile connector designed for power applications. With a single row and 5 circuits, this housing is essential for efficient power distribution. Constructed from UL 94V-2 rated natural nylon, it guarantees durability and safety. Its compact design, featuring a 4.2mm pitch, is perfect for space-constrained environments. CSA and UL certified (LR19980, E29179), this connector ensures high performance and reliability. Mates with 5559 Crimp Housings Plug, 5566, and 5569 PCB Headers, offering flexibility in usage. RoHS compliant and part of the Fit Families line, this product is environmentally friendly and quality assured. Upgrade your power connections with the Mini-Fit Jr. Receptacle Housing.
Frequently Bought Together
| Product | Part # | Description | Stock |
|---|---|---|---|
| Molex 171850-0200 | Micro-Fit TPA Receptacle Housing, Single Row, 2 Circuits, UL 94V-0, Low-Halogen, Black | ![]() |
| Molex 172708-1006 | Mini-Fit Sigma Receptacle Housing, 4.20mm Pitch, Dual Row, Glow-Wire Capable, 6 Circuits | ![]() |
| Molex 172708-1018 | Mini-Fit Sigma Receptacle Housing, 4.20mm Pitch, Dual Row, Glow-Wire Capable, 18 Circuits | ![]() |
| Molex 172718-5121 | Mini-Fit TPA2 Female Crimp Terminal, Brass, Pre-Plated Tin (Sn), 22-24 AWG, 1.07-1.65mm Insulation Diameter, Reel | ![]() |
Product Change Notice
| Effective Date | Description of Change | Download | |||
|---|---|---|---|---|---|
| 09/04/2026 | 517776 - Equipment/Production Transfer or Rearrangement. PSBU is transferring all Hetero molding (molds & presses) from Lincoln 3104 to Nogales 3105 over the next 30 months. There are approximately 450 molds and 18 presses to transfer. To facilitate this, a series of PCNs will be issued covering group of molds (approx 10 to 25 molds per group) which use the same resin. | Download | |||


