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39612-3P Female And Male Terminal Wire 3.96mm Wiring Harness Customized

39612-3P Female And Male Terminal Wire 3.96mm Wiring Harness Customized

This custom cross-mating wiring harness uses 39612 series 3-position male and female crimp terminal housings with standard 3.96mm medium pitch, paired with matching tin-plated crimp contacts to realize detachable wire-to-wire power and signal bridging. The large-pitch structure supports higher load current compared to fine-pitch connectors, built-in anti-reverse polarization ribs prevent misplug short-circuits, and integrated wire strain relief reduces breakage from repeated bending. All plastic housing is UL94 V-0 flame retardant PA66, fully RoHS compliant. Customizable wire length, wire gauge, color sequence and pin mapping are available, widely applied to small household appliances, LED power drivers, miniature industrial control modules, charging equipment and bench test instruments for internal circuit interconnection.

Model:
39612-3P
Brand:
huamao

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Terminal Wire electrical wire wire and cable assembly Wire Harness custom wire Terminal Wire Harness 39612-3P wire connector wire 3.96mm wire 3.96mm Wire Harness

Product Description

The 3.96mm wide contact spacing leaves sufficient creepage distance between circuits, effectively avoiding arc discharge and short-circuit risks under medium current load, a key advantage over compact small-pitch connectors for power transmission scenarios. Each terminal adopts double crimp technology to fasten both bare copper conductor and outer wire jacket, delivering strong tensile resistance to withstand equipment vibration and frequent cable pulling. Multi-color coded wires clearly separate positive power, negative power and signal channels to simplify production sorting and maintenance troubleshooting. All crimp joints are processed by automatic precision crimping machines to guarantee uniform compression force without loose terminals or damaged wire strands.

Every finished harness passes full factory quality inspection before shipment, including continuity test, terminal pull retention force test, insulation resistance & high voltage withstand test and vibration aging screening. We supply paired male-female extension cables and single-ended finished terminal wires for home appliance manufacturers, miniature power supply factories and electronic R&D laboratories.

Specifications

Connector Series	39612，3Pin male and female matching set
Crimp Terminal Material	High-purity brass with full tin plating
Compatible Wire Gauge	AWG18-AWG26
Operating Temperature Range	-25℃ to +85℃

Advantages

3.96mm wide pitch safe creepage design: Larger gap between pins provides better insulation safety for medium-current power circuits, effectively preventing arc short-circuit faults common in narrow-pitch connectors under continuous load heating.
Dual independent crimp anti-drop terminal structure: Separate crimp zones lock wire copper core and outer insulation jacket simultaneously, greatly enhance tensile resistance, wires will not slip out even under long-term equipment vibration and frequent pulling.
High 10A single-pin current carrying capacity: Supports thick AWG18 wire for auxiliary medium-power loops, compatible with mixed transmission of power supply and low-current sensor signals within one 3-core harness, simplifying equipment internal wiring layout.
Built-in physical anti-reverse misplug protection: Molded positioning ribs on male/female housings only allow correct directional docking, eliminate assembly short-circuit damage caused by reversed plugging during mass production.
Tin-plated brass contact anti-oxidation performance: Uniform tin plating layer avoids oxidation and contact resistance rise after long-term indoor storage and equipment continuous operation, maintaining stable power and signal transmission without intermittent disconnection.
Dual-purpose customization for mass production & R&D prototypes: Support ultra-short 0.1m test jumper wires and long-distance 8m equipment extension cables, small batch sample orders available for household appliance and miniature power supply new product development verification.

Application

Small Household Smart Appliance Equipment:Air fryer mainboard power signal integrated harness, desktop mini water heater control board connecting wire, portable humidifier heating module terminal cable, small yogurt maker internal circuit bridging assembly
Miniature LED Driver & Charging Power Supplies:12V/24V cabinet light constant current driver internal wiring, portable lithium battery charger power terminal harness, advertising screen small backlight power connecting cable, wireless charging station control signal wire
Mini Industrial Environmental Detection Modules:Desktop temperature & humidity transmitter multi-circuit connecting wire, small solenoid valve drive power signal harness, compact light intensity sensor internal bridging cable, bench gas detection equipment terminal wiring assembly
Electronic Laboratory Test Bench Equipment:Single-chip experiment board medium-current power jumper wire, multi-channel sensor test bench conversion harness, desktop adjustable power supply auxiliary signal connecting cable
Office Mini Auxiliary Electronic Equipment:Compact thermal printer control board power wire, mini document shredder safety detection terminal harness, desktop laminator heating core connecting cable, small binding machine mainboard signal cable

FAQ

Q1: What is the core structural feature of the 39612 3.96mm connector series?

A: It adopts a 3.96mm wide single-row pitch with large creepage distance for medium-current power circuits, paired with dual crimp tin-plated terminals and built-in anti-reverse polarization ribs for safe pluggable wire-to-wire interconnection.

Q2: What maximum continuous current can a single 39612 terminal carry?

A: When matched with thick AWG18 stranded wire, each pin can stably transmit 10A continuous current, suitable for both miniature auxiliary power supply and low-current signal circuits.

Q3: Can 39612 male and female terminals be quickly plugged and separated without welding?

A: Yes, the matching male and female housings realize snap-fit quick docking, no soldering required during equipment assembly and maintenance to greatly improve disassembly efficiency.

Q4: Can the wire thickness of the harness be adjusted arbitrarily?

A: AWG18, AWG20, AWG22, AWG24, AWG26 five conventional wire gauges are optional, matched according to the actual power load current of the equipment circuit.

Q5: Is this wiring harness suitable for long-term vibration working environments?

A: The dual crimp terminal structure provides strong anti-pullout force, maintains stable contact under continuous slight vibration of household appliances and miniature industrial detection equipment.