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Molex Mini-Fit Jr. 39-01-2145 14-Position Receptacle Housing | Suqin
Short Description:
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Manufacturer & Series: Manufactured by Molex under the Mini-Fit Jr. product family, designated with part number 39-01-2145 within the 5557 series.
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Configuration & Layout: Features a 14-position dual-row matrix layout with a 4.2 mm (0.165 in) centerline pitch and 4.2 mm (0.165 in) row-to-row spacing.
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Electrical Capacity: Engineered to support power and signal applications with a maximum current rating of up to 13 A per circuit.
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Material & Flammability: Molded from natural-colored nylon material achieving an industrial UL 94V-0 flammability rating for enhanced fire retardation.
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Mechanical Mounting & Integrity: Designed for free-hanging (cable mount) configuration utilizing crimp termination methods for secure female socket contact retention.
Product Detail
Product Tags
Factory-original Molex Mini-Fit Jr. Series 39-01-2145 14-position dual-row receptacle housing. Features 4.2 mm pitch, UL 94V-0 natural nylon shell, 13A current rating, and free-hanging cable mounting. Available via Suzhou Suqin.
Data Overview
| Parameter | Technical Specification |
| Manufacturer | Molex |
| Part Number | 39-01-2145 |
| Series / Product Family | 5557 / Mini-Fit Jr. |
| Product Category | Headers & Wire Housings |
| Product Type | Wire Housings |
| Housing Type | Receptacle Housing |
| Number of Positions | 14 Position |
| Pitch | 4.2 mm (0.165 in) |
| Number of Rows | 2 Row (2 x 7 Configuration) |
| Row Spacing | 4.2 mm (0.165 in) |
| Mounting Style | Cable Mount / Free Hanging |
| Termination Style | Crimp |
| Contact Gender | Socket (Female) |
| Housing Gender | Female |
| Contact Type | Socket |
| Current Rating | 13 A |
| Voltage / Application | Wire-to-Board, Wire-to-Wire, Power & Signal |
| Housing Material | Nylon |
| Housing Color | Natural |
| Flammability Rating | UL 94 V-0 |
| Minimum Operating Temperature | -40 °C |
| Maximum Operating Temperature | +105 °C |
| Packaging | Bulk |
| RoHS Compliance | Yes |
Product Details
| Mechanical Structure & Mounting | Electrical Transmission & Insulation | Environmental Sealing & Material |
| 14-Position Dual-Row Layout Compact 2 x 7 inline housing geometry featuring a positive locking latch mechanism to prevent accidental demating under vibration. | 13A Rated Power Isolation High-density power and signal transmission grid with integrated barrier walls to prevent terminal shorting. | UL 94V-0 Flame-Retardant Nylon Standard natural nylon thermopolymer construction offering an operational temperature range of -40°C to +105°C. |
| Enables aligned wire-to-wire or wire-to-board routing with precise polarising ribs to eliminate mis-mating during manual line installation. | Supports dual-row current distribution paths with high dielectric tracking resistance across all 14 independent circuits. | Ensures optimal structural stability and electrical insulation integrity under harsh industrial thermal variations. |
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Q1: Does the Molex 39-01-2145 part number include the internal metal crimp contacts?
A: No. The 39-01-2145 part number represents the empty plastic nylon receptacle housing only. Female crimp socket terminals (such as Molex 5556 series) must be ordered separately depending on your required wire gauge (AWG).
Q2: What is the benefit of the UL 94V-0 flammability rating on this housing?
A: The UL 94V-0 flammability rating signifies that the natural nylon material self-extinguishes within 10 seconds after removing a test flame, and does not allow flaming drops. This provides superior fire safety compared to standard UL 94V-2 housings in power distribution systems.
Q3: Which mating connectors are compatible with the 39-01-2145 receptacle housing?
A: This housing mates directly with Molex Mini-Fit Jr. dual-row plug housings (5559 series) for wire-to-wire configurations, as well as Mini-Fit Jr. vertical or right-angle PCB headers (5566 and 5569 series) featuring matching 4.2mm pitch and 14 positions.
