INDUSTRY COMPONENT

Lead Wire/Connector

Lead wire/connector for biopotential electrodes transmitting electrical signals from body to monitoring equipment.

Component Specifications

Definition
A specialized electrical component in biopotential electrodes that serves as the conductive pathway between the electrode-skin interface and medical monitoring devices. It consists of insulated wires terminated with connectors designed to maintain signal integrity while minimizing noise, interference, and motion artifacts during physiological measurements.
Working Principle
Functions as a low-impedance transmission line for bioelectrical signals (typically microvolt to millivolt range) by providing shielded conductive paths that preserve signal fidelity through proper insulation, grounding, and connector design to prevent electromagnetic interference and ensure patient safety.
Materials
Conductor: Tinned copper or silver-plated copper wire (24-30 AWG). Insulation: Medical-grade PVC, silicone rubber, or TPE. Shielding: Aluminum foil or braided copper with drain wire. Connector contacts: Gold-plated brass or stainless steel. Housing: ABS plastic or polycarbonate.
Technical Parameters
  • Impedance <100 Ω
  • Cable Length Standard 1.2m, 1.8m, 3m
  • Connector Type Snap, pin, or DIN 42802
  • Conductor Gauge 24-30 AWG
  • Breakdown Voltage >1500 VAC
  • Insulation Resistance >100 MΩ
  • Operating Temperature -20°C to +70°C
  • Patient Leakage Current <10 μA
Standards
ISO 13485, ISO 10993, IEC 60601-1, AAMI EC53, DIN 42802

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Lead Wire/Connector.

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Electrical shock hazard
  • Signal interference/noise
  • Connector corrosion
  • Cable fatigue/failure
  • Cross-contamination
  • Incorrect connection
FMEA Triads
Trigger: Insulation breakdown due to mechanical stress or chemical exposure
Failure: Short circuit or patient leakage current exceeding safety limits
Mitigation: Use medical-grade materials with proper thickness, implement strain relief, and follow handling protocols
Trigger: Poor connector contact from oxidation or wear
Failure: Intermittent signal loss or increased impedance
Mitigation: Gold-plated contacts, regular inspection, and proper cleaning procedures
Trigger: Electromagnetic interference from unshielded cables
Failure: Signal artifact compromising diagnostic accuracy
Mitigation: Implement shielded cables with proper grounding and routing away from interference sources

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Impedance variation <10%, insulation resistance >100 MΩ, connector mating force 5-20N
Test Method
IEC 60601-1 electrical safety tests, ISO 10993 biocompatibility, cable flex testing per UL 60601-1, connector durability cycles

Buyer Feedback

★★★★☆ 4.7 / 5.0 (28 reviews)

"The technical documentation for this Lead Wire/Connector is very thorough, especially regarding technical reliability."

"Reliable performance in harsh Computer, Electronic and Optical Product Manufacturing environments. No issues with the Lead Wire/Connector so far."

"Testing the Lead Wire/Connector now; the technical reliability results are within 1% of the laboratory datasheet."

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Frequently Asked Questions

What is the difference between shielded and unshielded lead wires?

Shielded wires have an additional conductive layer (foil or braid) that reduces electromagnetic interference, essential for low-amplitude biopotential signals. Unshielded wires are simpler but more susceptible to noise.

How often should lead wires be replaced?

Typically every 6-12 months with regular use, or when signs of wear, cracking, or intermittent connections appear. Follow manufacturer guidelines and hospital protocols.

Can lead wires be sterilized?

Most are designed for surface disinfection only. Check manufacturer specifications; some medical-grade materials tolerate specific sterilization methods like ethylene oxide or low-temperature plasma.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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