Leads / Terminals: Temperature Range -55°C to +125°C

Component Specifications

Definition

Leads and terminals are conductive components designed to establish electrical connections between clamping devices (such as TVS diodes) and circuit boards or wiring systems. They serve as interface points that ensure reliable electrical contact, mechanical stability, and proper current flow while withstanding environmental stresses and thermal cycling.

Working Principle

Leads/terminals function by providing a conductive pathway between the clamping device's internal semiconductor structure and external circuits. They utilize metallic conductors with specific geometries to ensure low-resistance connections, proper heat dissipation, and mechanical retention within the clamping assembly. The design ensures electrical continuity while maintaining isolation between different potential points.

Materials

Copper alloys (C11000, C19400), phosphor bronze (C51000), brass (C26000), or nickel-plated steel; often with tin, silver, or gold plating for improved conductivity and corrosion resistance.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Lead Diameter	0.5-2.0mm
Current Rating	1-10A
Terminal Pitch	2.54mm, 5.08mm standard
Voltage Rating	Up to 1000V
Plating Thickness	2-10μm
Temperature Range	-55°C to +125°C
Contact Resistance	<10mΩ
Insulation Resistance	>1000MΩ

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 46228, IEC 60191

Parent Products

This component is used in the following industrial products

Clamping Device

A protective electronic component that limits voltage spikes by clamping them to a safe level.

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Engineering Analysis

Risks & Mitigation

Poor electrical contact leading to circuit failure
Corrosion causing increased resistance
Mechanical fatigue from vibration
Thermal stress causing joint failure
Incompatible plating causing galvanic corrosion

FMEA Triads

Trigger: Insufficient plating thickness
Failure: Corrosion and increased contact resistance
Mitigation: Implement plating thickness verification and environmental testing

Trigger: Improper crimping or soldering
Failure: Mechanical separation or high-resistance joints
Mitigation: Establish standardized assembly procedures with quality control checks

Trigger: Material incompatibility
Failure: Galvanic corrosion in humid environments
Mitigation: Select compatible material combinations and apply protective coatings

Industrial Ecosystem

Compatible With

TVS Diodes, Varistors, Surge Protection Devices, Clamping Circuits, Power Supplies

Typical Suppliers & Equivalents

TE Connectivity, Molex, Amphenol, Phoenix Contact, WAGO

Compliance & Inspection

Tolerance

±0.1mm for critical dimensions, ±5% for electrical specifications

Test Method

IEC 60512 for electrical tests, ISO 16750 for environmental testing, IPC/WHMA-A-620 for workmanship standards

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 Leads / Terminals

Manufacturer profiles associated with Leads / Terminals.

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Frequently Asked Questions

What is the difference between leads and terminals in clamping devices?

Leads refer to the conductive wires or pins extending from the clamping device body, while terminals are the connection points where these leads interface with external circuits. Leads are integral to the device, while terminals may be separate components or part of the mounting system.

How do material choices affect lead/terminal performance?

Material selection impacts conductivity, corrosion resistance, mechanical strength, and thermal performance. Copper alloys offer excellent conductivity, while plating with tin/silver/gold enhances surface properties. Material choices must balance electrical requirements with environmental conditions and cost considerations.

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.

Leads / Terminals