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Jumper Wires, Pre-Crimped Leads

Image Part Number Description / PDF Quantity Rfq
ASVMSVF14K152

ASVMSVF14K152

JST

SVM-61T-P2.0 TO SVF-61T-P2.0 6"

77
ASSHSSH28K254

ASSHSSH28K254

JST

JUMPER SSH-003T-P0.2-H X2 10"

0
ASADHSADH26K254

ASADHSADH26K254

JST

JUMPER SADH-002G-P0.2 X2 10"

3595
ASVMSVF14K254

ASVMSVF14K254

JST

SVM-61T-P2.0 TO SVF-61T-P2.0 10"

995
ASSHLSSHL28K51

ASSHLSSHL28K51

JST

JUMPER SSHL-003T-P0.2 X2 2"

3932
ASACHLSACHL28W305

ASACHLSACHL28W305

JST

JUMPER SACHL-003G-P0.2 X2 12"

2288
AJWPFJWPF22K305T

AJWPFJWPF22K305T

JST

JUMPER SWPT-001T-P025 X2 12"

1285
ASACHSACH28W305

ASACHSACH28W305

JST

JUMPER SACH-003G-P0.2 X2 12"

2863
ASEHSEH22K51

ASEHSEH22K51

JST

JUMPER SEH-001T-P0.6 X2 2"

5662
ASACHLSACHL28W51

ASACHLSACHL28W51

JST

JUMPER SACHL-003G-P0.2 X2 2"

1673
ASACHLSACHL28W102

ASACHLSACHL28W102

JST

JUMPER SACHL-003G-P0.2 X2 4"

1813
ASRSFSRSF20K152B

ASRSFSRSF20K152B

JST

JUMPER SRSF-21T-250A X2 6"

0
ASSUHSSUH28W51

ASSUHSSUH28W51

JST

JUMPER SSUH-003T-P0.15 X2 2"

2158
ASXASXA22K51

ASXASXA22K51

JST

JUMPER SXA-01T-P0.6 X2 2"

3361
ALEALEA22K203

ALEALEA22K203

JST

JUMPER SSFH-001T-P0.5 X2 8"

269
ASSHSSH28K203

ASSHSSH28K203

JST

JUMPER SSH-003T-P0.2-H X2 8"

4597
ASBHSBH22K254

ASBHSBH22K254

JST

JUMPER SBH-001T-P0.5 X2 10"

2930
ALEBLEB22K152

ALEBLEB22K152

JST

JUMPER SLEB-001T-P0.2 X2 6"

1000
ASZHSZH28K203

ASZHSZH28K203

JST

JUMPER SZH-002T-P0.5 X2 8"

2704
ASYMSYF16K152

ASYMSYF16K152

JST

JMPR SYM-41T-P0.5A-SYF-41T-P0.5A

997

Jumper Wires, Pre-Crimped Leads

1. Overview

Jumper wires and pre-crimped leads are essential components in electrical and electronic systems, providing flexible, reliable connections between devices, circuits, or components. These cable assemblies consist of conductive wires terminated with crimped connectors or contacts, enabling quick and secure electrical connections without soldering. Their importance spans industries such as telecommunications, automotive, industrial automation, and consumer electronics, where modularity, ease of installation, and maintenance are critical.

2. Major Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Single-Core Jumper WiresSimplex conductors with insulation, ideal for low-current signal transmissionPrototyping breadboards, PCB interconnects
Multi-Core Cable AssembliesMultiple insulated conductors bundled in a common jacket for parallel signal/data transmissionComputer peripherals, industrial sensors
Shielded Jumper CablesIntegrated electromagnetic interference (EMI) shielding for noise-sensitive applicationsAudio equipment, high-speed data lines
High-Temperature LeadsHeat-resistant materials (e.g., silicone rubber or PTFE insulation) for extreme environmentsAutomotive engine control units, aerospace systems
DIN/Standardized ConnectorsCompliant with IEC/DIN standards for universal compatibilityMedical devices, test equipment

3. Structure and Components

A typical jumper wire or pre-crimped lead assembly consists of three primary elements:

  1. Conductor: Stranded or solid copper wire (e.g., AWG 20-28) for optimal flexibility and conductivity.
  2. Insulation: Thermoplastic (PVC, TPE) or high-temperature materials (FEP, silicone) to prevent electrical leakage.
  3. Crimped Termination: Pre-assembled contacts or connectors (e.g., pin headers, spade terminals) mechanically secured via crimping tools.

Additional features may include strain reliefs, color-coded jackets for circuit identification, and overmolded strain reliefs for durability.

4. Key Technical Specifications

ParameterImportance
Conductor Gauge (AWG)Determines current-carrying capacity and flexibility
Current Rating (A)Maximum safe operating current
Voltage Rating (V)Dielectric strength of insulation material
Temperature Range ( C)Operational limits in harsh environments
Contact Resistance (m )Affects signal integrity and power efficiency
Insulation Resistance (M )Prevents leakage currents
Crimp Pull-Out Force (N)Mechanical stability of termination

5. Application Fields

  • Electronics Manufacturing: PCB testing, jumper connections in consumer devices.
  • Automotive: Wiring harnesses for sensors, battery management systems.
  • Telecommunications: Patch cables for routers, switches, and base stations.
  • Industrial Automation: Connection of PLCs, HMIs, and motor drives.
  • Medical Devices: Patient monitoring equipment and diagnostic tools.

6. Leading Manufacturers and Products

ManufacturerRepresentative Products
TE ConnectivityAMPMODU pre-crimped jumper cables, high-temperature automotive leads
MolexMicro-Fit 3D pre-assembled jumper wires for industrial controls
AmphenolRF coaxial jumper cables for telecom infrastructure
Phoenix ContactPrinted circuit board connectors with pre-crimped leads
3MHigh-density shielded cable assemblies for data centers

7. Selection Guidelines

When selecting jumper wires or pre-crimped leads, consider:

  1. Application Requirements: Signal type (analog/digital), voltage/current levels, and environmental conditions.
  2. Compatibility: Connector types (e.g., USB, HDMI, proprietary headers) and mating cycles.
  3. Cost vs. Performance: Balance material quality (e.g., oxygen-free copper) against budget constraints.
  4. Supplier Support: Availability of customization, volume pricing, and technical documentation.

Case Study: In an automotive test system, shielded high-temperature leads with 16 AWG conductors and silicone insulation ensured reliable data transmission at 150 C.

8. Industry Trends

  • Miniaturization: Growth in ultra-fine AWG 34+ cables for wearable devices and IoT sensors.
  • High-Speed Data Transmission: Development of controlled-impedance jumpers for 10+ Gbps applications.
  • Automation Integration: Standardized pre-crimped leads compatible with robotic assembly systems.
  • Sustainability: Adoption of halogen-free insulation and recyclable materials.
  • Smart Cables: Embedded sensors for real-time monitoring of temperature and current.
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