| Attribute | Value |
|---|---|
| Product Category: | |
| Manufacturer: | Molex |
| Manufacturer Part Number: | Molex 39-01-3125 |
| Color: | Black |
| Series: | 5557 - Mini-Fit Jr. |
| Amperage: | 13 A |
| Connector Type: | Mini-Fit Jr. |
| Gender: | Receptacle |
| Housing Material: | Nylon |
| Number of Contacts: | 12 |
| Number of Rows: | 2 |
| Pitch: | 4.2 mm |
| Material: | Nylon |
| Keying: | No |
| Packaging: | Bag |
| Operating Temperature Range: | -40 - 105 °C |
| Circuit Application: | Power |
| Polarized to Mate: | Yes |
| Connector System: | Wire to Board, Wire to Wire |
| CSA Agency Certification: | LR19980 |
| UL Agency Certification: | E29179 |
| Termination Pitch: | 4.2 mm |
| Glow Wire Capable: | No |
| Lock to Mating Part: | Yes |
| Stackable: | No |
| Breakaway: | No |
| Product Name: | Mini-Fit Jr. |
| Material Flammability Standard: | 94V-2 |
| Part Aliases: | 0039013125 5557-12R-BL |
| SKU: | MOL39-01-3125 |
39-01-3125
| Heilind Number: | MOL39-01-3125 |
| Manufacturer: | Molex |
| Manufacturer Number: | 39-01-3125 |
| Datasheet: | RoHS Certificate of Compliance |
| ECAD Model: | |
Specifications
Detailed Description
Upgrade your power connector with the Mini-Fit Jr. Receptacle Housing in sleek black. Designed for optimal performance, this dual-row housing accommodates 12 circuits with a 4.2mm pitch, making it ideal for wire-to-wire or wire-to-board connections. Crafted from durable nylon with UL 94V-2 certification, it ensures reliable operation in a wide temperature range from -40 to 105°C. The polarized design and secure locking mechanism guarantee a perfect fit, while UL and CSA certifications provide peace of mind. RoHS compliant and featuring a compact size, this housing is a must-have for any power application.
Product Change Notice
| Effective Date | Description of Change | Download | |||
|---|---|---|---|---|---|
| 07/31/2026 | 517681 - Capacity change or tool replacement. Molex Lincoln Nebraska is replacing tooling that produces the products referenced in the attached list. Replacement tooling will be a replica of the current tooling. There will be no changes in fit, form, function or appearance of any product based on the replaced tooling. | Download | |||
| 10/01/2018 | 505479 - Packaging Method/Quantity Changing. This letter is to inform you that the part(s) referenced in this notice will undergo packaging specification changes that may include new container sizes, quantities or changes to the label. No changes will be made to the product as a result of this change. | Download | |||
| 02/22/2017 | 501883 - Equipment Transfer, Production Transfer or Rearrangement. This letter is to inform you that production of the part(s) identified in this notice is being moved to a different location. No changes will be made to the product as a result of this move. | Download | |||
Availability
In Stock:
Call
Stock Location:
In Stock
Factory Stock:
Call for Stock
Factory Lead:
Call
Unit Of Measure:
Each
Minimum/Multiple:
1/1
Invalid quantity value
Documents & Media
Environmental & Export Classifications
| Attribute | Value |
|---|---|
| RoHS Compliant: | Unkown |
Additional Resources
| Attribute | Value |
|---|---|
| Molex: | 39-01-3125 |
| Other Names: | 0039013125 5557-12R-BL |