Mini Fit Jr
Overview
Product sourcing insights & recommendations
The Molex Mini-Fit Jr. series remains a global standard for high-current power distribution (up to 9.0A–13.0A), with market trends strongly pivoting toward TPA2 error-proofing and Glow Wire safety compliance for 2026. B2B search data reveals a competitive landscape focused on 4.2mm pitch alternatives for EV, robotics, and consumer electronics, with wholesale prices ranging from $0.01 to $0.45 per piece.
The detailed report below synthesizes technical specifications, emerging sub-category trends (like the 20.5A Mini-Fit Max), and commercial search volume insights to support your sourcing or development strategy.
The Mini-Fit Jr. market is shifting toward high-density and waterproof variants. You can continue with:
Mini Fit Jr Compatible Power Connectors Wholesale 4.2mm Pitch
Products · 2 lists
4.2mm Pitch Mini-Fit Jr Connector Housing Terminal Wire to Board Plug Socket for PC Power Supply ATX Molex 5557 5559 Compatible
Aichie Tech Electronics Co., Ltd.verified🇨🇳CN11 yrs
Molex Mini-fit Jr Mx4.2 Alternatives Connector Minifit Substitute Wafer Compatible Kr4200 Housing 5566 Replacement Wire Harness
Dongguan Konnra Electronics Co., Ltd.verified🇨🇳CN18 yrs
Molex Mini-Fit Jr 2 Row 6 Pin 4.2mm Pitch 5557 Housing Female Connector Electrical Wire Connector 39-01-2060
Shanghai Star Electronic Technology Co., Ltd.verified🇨🇳CN16 yrs
Custom 2 3 4 Pin Molex 5557 5559 4.2mm Pitch White Connector Wire Harness for PCB Motherboard Power Cable Assembly
Dongguan Flyroyal Electronics Co., Ltd.verified🇨🇳CN4 yrs
Molex Male 4 Pin Mini-fit Jr 4.2mm Receptacle Housing Power Extension Cord Connector Wire Harness Extension Conversion EPS Cable
Dongguan Kangsheng Electronics Co., Ltd.verified🇨🇳CN9 yrs
Custom DC 5.5x2.1mm Male to Molex 5557 4 Pin Wire Harness Mini-Fit Jr 4.2mm Pitch Power Cable Assembly for Industrial Equipment
Dongguan Tpxian Electronic Co., Ltd.verified🇨🇳CN2 yrs
Mini-Fit Jr 4.2 mm THT Through Hole Right Angle Header Single Row PCB Power Connector 2 4 6 8 Pin Custom Wire Harness Kit
Shenzhen Scondar Electronic Co., Ltd.verified🇨🇳CN16 yrs
Molex Mini Fit 8 Pin 4.2mm Pitch Housing Electrical Connectors Male Header Plug Power for Battery Terminal 5557 PCB GOLD-Plating
Zhejiang Jinda Electronics Co., Ltd.verified🇨🇳CN13 yrs
Mini-Fit Jr. 4.2mm Connector 5559-2*3P 6 PIN Dual Row Plug Housing Terminals Panel Mounting Ears PA66 300V AC/DC 8A Automobile
Wenzhou Guangye Electronics Co., Ltd.verified🇨🇳CN3 yrs
5557 Connector Double Rows 2*12pins 24pin 4.2mm Pitch Housing Connector
Shenzhen Guozhi Electronic Co., Ltd.verified🇨🇳CN6 yrs
2 3 4 6 Pin 4.2mm Pitch Male to Female Molex 5557 Connector Connector 2mm Pitch
Zhejiang Shenghui Technology Co., Ltd.verified🇨🇳CN9 yrs
Vibration Resistant Waterproof Connector IP68 Industrial Circular Plug High Stability Cable Assembly OEM Manufacturer
Shenzhen DongShengDa Science and Technology Co., Ltd.verified🇨🇳CN6 yrs
Custom JST 2-16pin 2.0mm Pitch Cable Male Female Adapter Connector PH PTFE/PVC Insulation IP66 ODM/OEM Power Plug Wire Harness
Xiamen Kehan Electronics Co., Ltd.verified🇨🇳CN12 yrs
5.5 X 2.1/5.5 X 2.5/3.5 X 1.3 mm DC Power Socket Jack Connector 2 Pin Female Panel Mount Adapter 3A 60V DC022B 5A Copper IP20
Yueqing Haifei Electronics Co.,LTD.verified🇨🇳CN8 yrs
N73 Mobile 3.0 Pitch 3PIN Battery Connector Right Angle USB Type 4P Copper Contacts Nylon Housing 1.5mm Pitch Power Connectors
Shenzhen Hongming Qiang Technology Limitedverified🇨🇳CN16 yrs
Support Customized High-quality Molex 14p/16p DC Power Cord Assembly Terminal Blocks with ABS Housing for FPC Applications
Y&L Electronics (shenzhen) Co., Ltd.verified🇨🇳CN17 yrs
20A 300V 3 Pin Male/Female IP67 Waterproof Connector M19 Field Assembly Push Lock Industrial Automation Control System for CE
Shenzhen Jnicon Electric Co., Ltd.verified🇨🇳CN1 yr
2.54mm Pitch 4Pin JST SM Connector Plug Male Female Housing and Terminals
Dongguan Hexie New Energy Technology Co., Ltd.verified🇨🇳CN17 yrs
VLP-04V 4 Pin JST Female Connector 6.2mm Pitch Electrical Connector Wire to Wire
Yueqing Feihong Electronic Co., Ltd.verified🇨🇳CN18 yrsDeep Dive · Full Report
Full Market Report
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Sources & References
26 sources cited · Verified industry data & reports
MINI-FIT JR.
Corsa Technic
This Product Specification covers performance requirements for the MINI-FIT JR. 4.20 mm (.165 inch) centerline (pitch) wire to board and wire ...
Mini-Fit Jr. Connectors - Molex
DigiKey Malaysia
The Mini-Fit Jr. is appropriate for both power and signal applications as it can carry currents of up to 9.0 A per circuit and has a 10 mΩ contact resistance.
Molex Mini-Fit Jr. Connector System Product Specification
Manuals+
The Mini-Fit Jr. connector series offers a 4.20mm (.165 inch) pitch and is available in various configurations including plugs, receptacle housings, and ...
Molex, Mini-Fit Jr Male Connector Housing, 4.2 mm Pitch ...
RS Online
It handles maximum currents of 13A per circuit for use in demanding consumer and industrial applications such as vehicle control modules, gaming machines and ...
Molex crimp housing - Mini-Fit Jr - 2x10-pin - connector
Reichelt
Mini-Fit Jr.™ connectors are designed for up to 9.0 A and are ideally suited for wire-to-wire and wire-to-board applications that require a flexible design.
Molex Mini-Fit Jr. 8-Way Receptacle Housing
Camden Tools
With a pitch spacing of 4.2mm, this connector is perfect for high-density wiring applications, ensuring efficient and organised circuit designs. Manufactured ...