INDUSTRY COMPONENT

Probe Body/Housing

Probe body/housing is the protective casing and structural component of electrical test probes in automated testing equipment.

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Component Specifications

Definition
The probe body/housing is a precision-engineered component that serves as the protective enclosure and structural framework for electrical test probes in automated testing arrays. It provides mechanical stability, electrical insulation, and environmental protection for the internal probe elements while ensuring precise alignment and consistent contact force during testing operations. This component is critical for maintaining probe integrity, repeatability, and longevity in high-volume testing environments.
Working Principle
The probe body/housing functions by providing a rigid, insulated structure that houses and protects the internal probe components (springs, plungers, tips). It maintains precise geometric alignment between multiple probes in an array, ensures consistent contact force through controlled compression, and isolates electrical signals from interference. During operation, it guides the probe tip to the test point while absorbing mechanical stresses and preventing damage to sensitive internal elements.
Materials
High-performance engineering plastics (PEEK, Vespel, Ultem) for insulation and durability, with optional metal reinforcements (stainless steel, beryllium copper) for structural components. Materials are selected for dimensional stability, wear resistance, and dielectric properties.
Technical Parameters
  • Lifecycle Rating >1 million cycles
  • Contact Force Range 10-200 grams
  • Dielectric Strength >15 kV/mm
  • Dimensional Tolerance ±0.01 mm
  • Insulation Resistance >10^12 ohms
  • Operating Temperature -40°C to +125°C
Standards
ISO 9001, IEC 61010, IPC-9261

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Probe Body/Housing.

test probe housing probe body electrical probe casing testing component automated test equipment probe insulation precision probe assembly Probe Body/Housing Probe Body/Housing in Computer, Electronic and Optical Product Manufacturing

Parent Products

This component is used in the following industrial products

Electrical Test Probe Array

A precisely arranged collection of electrical contact probes used for automated testing of electronic circuits and components.

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Test Probe Assembly

A precision assembly of electrical probes used for making temporary electrical connections to test points on electronic devices or circuits.

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Measurement Probe

A sensing element that directly contacts or interacts with the material surface to detect thickness variations.

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Engineering Analysis

Risks & Mitigation
  • Material degradation under thermal cycling
  • Dimensional instability affecting alignment
  • Insulation breakdown at high voltages
  • Mechanical wear from repeated cycles
FMEA Triads
Trigger: Material fatigue from repeated compression cycles
Failure: Loss of contact force consistency
Mitigation: Implement regular calibration schedules and use materials with higher fatigue resistance
Trigger: Contamination buildup in housing channels
Failure: Probe sticking or misalignment
Mitigation: Design with self-cleaning features and implement preventive maintenance cleaning protocols
Trigger: Thermal expansion mismatch between materials
Failure: Dimensional inaccuracy at temperature extremes
Mitigation: Select materials with compatible thermal expansion coefficients and design with thermal compensation features

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Geometric tolerances per ISO 2768-m, electrical insulation per IEC 61010-1
Test Method
Dimensional verification via CMM, dielectric testing per IEC 60243, lifecycle testing via automated cycling equipment

Buyer Feedback

★★★★☆ 4.8 / 5.0 (31 reviews)

"Reliable performance in harsh Computer, Electronic and Optical Product Manufacturing environments. No issues with the Probe Body/Housing so far."

"Testing the Probe Body/Housing now; the technical reliability results are within 1% of the laboratory datasheet."

"Impressive build quality. Especially the technical reliability is very stable during long-term operation."

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Frequently Asked Questions

What is the primary function of a probe body/housing?

The primary function is to provide structural support, electrical insulation, and environmental protection for internal probe components while ensuring precise alignment and consistent contact force during testing operations.

Why are engineering plastics commonly used for probe housings?

Engineering plastics offer excellent dielectric properties, dimensional stability, wear resistance, and chemical resistance while being lightweight and cost-effective compared to metal alternatives.

How does probe housing design affect testing accuracy?

Proper housing design maintains precise probe alignment, controls contact force consistency, minimizes signal interference through effective insulation, and reduces mechanical wear—all critical factors for testing accuracy and repeatability.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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