Connector Housings: Temperature Range -40°C to +125°C

Component Specifications

Definition

Connector housings are structural components in electrical systems that encase and protect terminal contacts, ensuring proper alignment, electrical insulation, and environmental resistance. They are critical for maintaining signal integrity, preventing short circuits, and withstanding mechanical stress, vibration, and harsh conditions in industrial applications. Housings often feature locking mechanisms, polarization keys, and sealing gaskets to ensure reliable connections.

Working Principle

Connector housings work by physically securing electrical terminals in precise positions, providing insulation between contacts to prevent electrical arcing or short circuits, and sealing against environmental factors like moisture, dust, and chemicals. They often incorporate features such as latches, screws, or snap-fits for secure mating with corresponding connectors, and may include strain relief to protect wires from tension.

Materials

Common materials include engineering plastics (e.g., polyamide/PA, polybutylene terephthalate/PBT, polycarbonate/PC) for lightweight and insulating properties, thermosets (e.g., phenolic resins) for high-temperature resistance, and metals (e.g., aluminum, stainless steel) for EMI shielding or rugged environments. Material selection depends on factors like temperature range, chemical exposure, flammability ratings (e.g., UL94), and mechanical strength.

Technical Parameters

Parameter	Typical range	Notes & selection driver
IP Rating	IP67 or higher for dust/water resistance
Locking Type	Screw, latch, or push-pull mechanisms
Polarization	Keyed design to prevent mis-mating
Housing Color	Often color-coded for identification (e.g., black, gray, orange)
Current Rating	1A to 200A
Voltage Rating	Up to 1000V AC/DC
Temperature Range	-40°C to +125°C

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 8092, DIN 72585, UL 94, IEC 60529

Parent Products

This component is used in the following industrial products

Wiring Harness & Connectors

Electrical interconnection system that transmits power, signals, and data within the robotic transfer arm

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Engineering Analysis

Risks & Mitigation

Improper sealing leading to corrosion or short circuits
Material degradation under high temperatures or UV exposure
Mechanical failure from vibration or impact
Mis-mating due to lack of polarization

FMEA Triads

Trigger: Inadequate sealing or material choice
Failure: Environmental ingress causing corrosion or electrical failure
Mitigation: Use housings with appropriate IP ratings and materials resistant to specific conditions; implement regular inspection and testing.

Trigger: Poor locking mechanism design
Failure: Unintended disconnection under vibration
Mitigation: Design with secure latches or screws; perform vibration testing per standards like ISO 16750.

Trigger: Thermal expansion mismatch
Failure: Cracking or loss of seal at temperature extremes
Mitigation: Select materials with compatible thermal coefficients; conduct thermal cycling tests.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Dimensional tolerances typically ±0.1mm for critical features like mating interfaces; electrical clearance and creepage per IEC 60664.

Test Method

Testing includes IP rating verification per IEC 60529, mechanical durability (mating cycles), thermal shock testing, and flammability tests per UL 94.

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Connector Housings

Manufacturer profiles associated with Connector Housings.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What is the primary function of a connector housing?

The primary function is to protect and insulate electrical terminals, ensure proper alignment during mating, and provide environmental sealing against moisture, dust, and chemicals.

How do I select the right connector housing material?

Select based on application requirements: use plastics like PBT for general insulation and cost-effectiveness, metals for EMI shielding or high durability, and ensure materials meet temperature, chemical resistance, and flammability standards like UL94.

What standards apply to connector housings?

Key standards include ISO 8092 for automotive connectors, DIN 72585 for electrical connections, UL 94 for flammability, and IEC 60529 for IP ratings against ingress.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Connector Housings