Mini-Fit Jr. 8-Pin Dual-Ended Overmolded Power and Signal Cable: Features, Applications and Selection Guide
PCM-0883 is a Mini-Fit Jr. 8-Pin dual-ended overmolded power and signal harness designed for module-to-module interconnection in industrial equipment. Both ends use Molex 39-01-2080 4.20mm-pitch dual-row 8-circuit receptacle housings with 39-00-0038 female crimp terminals and a 2m UL2464 18AWG×8C black PVC cable. P1 and P2 use straight-through 1-to-1 through 8-to-8 pin mapping, and the finished assembly is specified at 6A per pin and 300V AC. LDPE inner molding and black PVC outer overmolding reinforce connector-tail retention, pull resistance and strain relief for industrial controls, robotics, servo systems, power modules, CNC machinery, 3D printers and embedded electronics.
What Does This Article Cover?
This article provides an engineering overview of the Premier Cable PCM-0883 Mini-Fit Jr. 8-Pin Dual-Ended Overmolded Power and Signal Cable. It explains the 4.20mm Mini-Fit Jr. interface, Molex 39-01-2080 housing and 39-00-0038 terminal, 1:1 pinout, 18AWG×8C cable construction, 6A-per-pin rating and voltage-drop considerations over 2m. It also examines dual-ended overmolding, compatibility with Molex 2451350820, and selection requirements for servo systems, power modules, robotics, CNC machinery and automation equipment, providing a practical reference for purchasing engineers, harness designers and system integrators.
Quick Product Introduction
PCM-0883 is a 2m Mini-Fit Jr. 8-circuit dual-ended overmolded cable assembly.
| Product Name | 8-Pin Male-to-Female Overmolded Power and Signal Extension Cable |
| Premier Cable P/N | PCM-0883 |
| Connector Configuration | 8-Pin Male to 8-Pin Female |
| Cable Length | 2000 ± 30 mm |
| Cable Type | UL2464 |
| Wire Structure | 18AWG × 8C |
| Cable Outer Diameter | 8.0 mm |
PCM-0883 vs PCM-0884
| Comparison | PCM-0883 | PCM-0884 |
|---|---|---|
| MainFunction | Module-to-module interconnect | Harness extension |
| Gender | Female-Female | Male-Female |
| Overmold | Dual-ended | Dual-ended |
| Field Crimping | Not required | Not required |
The primary difference between PCM-0883 and PCM-0884 is not wire gauge, length or circuit count, but:
connector-gender architecture.
PCM-0883 is:
receptacle-to-receptacle.
PCM-0884 is:
plug-to-receptacle.
The two products therefore serve different equipment-interface topologies.
What Is Mini-Fit Jr. ?
Mini-Fit Jr. is one of Molex's widely used connector platforms for wire-to-wire and wire-to-board power interconnection.
Its architecture includes:
4.20mm pitch;different circuit counts;single-row or dual-row configurations;polarized mating;locking mechanisms;crimp-contact systems.
For industrial equipment, an important advantage is the ability to organize multiple power and general control circuits within a relatively compact connector footprint.
What Is an 8-Pin Dual-Row Configuration ?
PCM-0883 uses:
2 rows × 4 positions = 8 circuits.
Compared with 4-pin or 6-pin interfaces, an 8-pin connector allows more independent electrical paths to be consolidated into a single connector.
For example, a system engineer may allocate:
2 pins to Power+;
2 pins to Ground;
2 pins to Control;
2 pins to Auxiliary Functions.
Alternatively:
4 pins may serve different power rails;
4 pins may serve return or control functions.
Pain Points
Core Product Value
PCM-0883
PCM-0883 is designed for standardized eight-circuit, dual-ended module interconnection. It combines 4.20mm Mini-Fit Jr. dual-row interfaces, 39-01-2080 housings and 39-00-0038 terminals with a 2m 18AWG × 8C cable, straight-through pinout and dual-ended overmolding.
This integrated construction supports industrial power and general control-signal connections while simplifying routing, improving assembly consistency and providing mechanical protection at the connector tails.
D. Dual-Ended Overmolding
PCM-0883 uses LDPE inner molding and black 45P PVC MA-001 outer overmolding at both connector tails. The inner mold secures the conductors and connector transition, while the outer mold provides mechanical protection, strain relief and a gradual bending transition.
This construction helps reduce localized stress at the crimp region during assembly, transportation and maintenance.
It is suitable for conventional industrial equipment routing, but does not automatically establish waterproofing, oil resistance or continuous-flex performance; specialized environmental requirements require separate validation.
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Compatibility Statement
Compatibility Verification
PCM-0883 uses Molex 39-01-2080 housings and 39-00-0038 female terminals at both ends, forming a 4.20mm-pitch, dual-row, 8-circuit Mini-Fit Jr. interface.
Verify mating part numbers, latching, polarity and straight-through pinout rather than assuming compatibility from the 8-pin description. The 6A-per-pin specification does not establish a continuous 48A assembly rating, and the finished-assembly voltage rating is 300V AC.
The −40°C to +105°C range and specialized environmental performance require verification against the complete cable construction and applicable validation data.
Passive Transmission & Link Performance
PCM-0883 is a passive 1:1 interconnect harness without voltage regulation, signal isolation or protocol conversion. Power and control pin functions are defined by the equipment.
Mini-Fit Jr. is a connector platform, not a communication protocol, and 18AWG × 8C construction alone does not establish suitability for CAN, RS-485 or high-speed Ethernet.
Differential and high-speed applications require separate verification of impedance, twisted-pair construction, shielding, crosstalk and complete channel performance, while power applications require load-based voltage-drop and temperature-rise evaluation.
How to Select a Mini-Fit Jr. 8-Pin Dual-Ended Overmolded Cable ?
Verify Equipment-Side Gender and Mating Connector
Both ends of PCM-0883 use 39-01-2080 receptacle housings. Verify the equipment-side mating part number, gender, pitch, circuit count, latch and polarization. Select a different harness configuration if plug-to-receptacle, plug-to-plug or open-end termination is required; an 8-pin description alone does not establish compatibility.
Evaluate the 6A-per-Pin Rating Against the Actual Load
Prepare a circuit-load table covering continuous current, peak current, duty cycle and ambient temperature. The 6A-per-pin rating does not establish a continuous 48A assembly rating. Evaluate simultaneous loading, contact resistance, ventilation and system derating, particularly for servo and motor startup currents.
Calculate Voltage Drop According to Supply Voltage and Cable Length
A 2m cable may create approximately 4m of conductor in a complete supply-and-return loop. For 5V, 12V and 24V systems, calculate voltage drop, losses and temperature rise from conductor and contact resistance. Consider shorter lengths, larger conductors or properly validated parallel circuits when necessary.
Select Cable Materials According to the Installation Environment
Standard UL2464 PVC cable and PVC overmolding are intended for fixed routing within their material capabilities. Continuous flexing, cable carriers, oil exposure, outdoor UV and water ingress require separately validated materials and construction. Conventional overmolding alone does not establish waterproof or continuous-flex qualification.
Customization Capabilities
↕ Mini-Fit Jr. Interface and Circuit-Count Customization
Custom 2- to 12-pin and other applicable configurations can be developed, subject to housing, terminal, mating-interface and pinout verification.
□ Cable-Length Customization
Cable length can be customized to equipment layouts, with voltage drop, resistance, weight, routing and mechanical support re-evaluated.
◉ AWG and Cable-Construction Customization
Wire gauge, conductor count, cable OD and jacket materials can be customized, with terminal crimp compatibility, current capability and temperature rise verified.
⚙ Pin Mapping and Power/Signal Allocation Customization
Power, ground and control pinouts can be customized, with separate part numbers and drawings used to distinguish different wiring versions.
⌘ Overmolding, Color and Cable-Exit Customization
Overmold materials, colors and cable-exit designs can be customized, while specialized environmental performance requires material selection and validation.
◇ Labeling, Testing and OEM Packaging Customization
Part-number labels, traceability markings, packaging and testing plans can be customized, with quality claims supported by actual inspection records.
Product FAQ
What Is the 39-00-0038 Terminal ?
39-00-0038 is a Mini-Fit Jr. 5556-series female crimp terminal with a brass base material and tin-plated contact surface. It supports wire sizes including 18AWG.
PCM-0883 uses 18AWG conductors, which fall within its supported range.
What Information Should Be Provided When Ordering PCM-0883 ?
Provide the equipment model, mating part number, pinout, electrical load, cable length, installation environment, testing requirements and quantity to reduce compatibility risks.
Can a Different Pinout Be Customized ?
Yes.
Standard PCM-0883 uses 1→1 through 8→8 wiring.
OEM projects can use cross wiring or project-specific signal mapping.
Each different pinout should use a separate part number and label.
Does Overmolding Mean IP67 ?
No.
IP67 performance must be established according to the complete connector system, mated condition, sealing structure and test results.
