Terminals - Housings, Boots

Image Part Number Description / PDF Quantity Rfq
0684170399

0684170399

Woodhead - Molex

CONN RCPT HSG 0.187 3POS NATURAL

0

0351890111

0351890111

Woodhead - Molex

CONN RCPT HSG 0.187 1POS NATURAL

0

0358170270

0358170270

Woodhead - Molex

CONN RCPT HSG 0.187 2POS NATURAL

0

0350254000

0350254000

Woodhead - Molex

CONN RCPT SLEEVE 0.25 1POS WHITE

0

0351898281

0351898281

Woodhead - Molex

CONN RCPT HSG 0.187 2POS NATURAL

0

0359590302

0359590302

Woodhead - Molex

CONNECTOR RECEPTACLE

0

0351897281

0351897281

Woodhead - Molex

CONN RCPT HSG 0.187 2POS NATURAL

0

0940904080

0940904080

Woodhead - Molex

CONN RCPT HSG 0.25 2POS NATURAL

0

0355470300

0355470300

Woodhead - Molex

CONN RCPT HSG 0.118 0.250 3POS

0

0355470400

0355470400

Woodhead - Molex

CONN NON-GENDERED HSG 0.25 4POS

0

0351620100

0351620100

Woodhead - Molex

CONN 0.25 SAFE LOCK HOUSING

0

0006029031

0006029031

Woodhead - Molex

CONN RCPT HSG 0.187 3POS BLACK

0

0350253540

0350253540

Woodhead - Molex

CONN RCPT SLEEVE 0.25 1POS BLUE

0

0351890250

0351890250

Woodhead - Molex

CONN RCPT HSG 0.187 2POS NATURAL

0

0351960292

0351960292

Woodhead - Molex

CONN 0.25 2POS GLOW WIRE

0

0351890290

0351890290

Woodhead - Molex

CONN .187 MP-LOCK 13MM

0

0351890292

0351890292

Woodhead - Molex

CONN MP LOCK .187 13MM

0

0351960110

0351960110

Woodhead - Molex

CONN RCPT HSG 0.25 1POS NATURAL

0

0351890110

0351890110

Woodhead - Molex

CONN RCPT HSG 0.187 1POS NATURAL

0

Terminals - Housings, Boots

1. Overview

Terminals, Housings, and Boots are critical components in electrical and electronic systems, providing secure connections, insulation, and environmental protection. Terminals facilitate electrical conductivity between wires or components, while Housings (connector bodies) protect internal contacts and maintain alignment. Boots (strain relief or sealing components) protect cables and connections from mechanical stress, moisture, and contaminants. These components are essential in industries such as automotive, telecommunications, and industrial automation, ensuring reliable performance under diverse conditions.

2. Main Types and Functional Classification

TypeFunction FeaturesApplication Examples
Screw TerminalsMechanical clamping for secure wire connectionsIndustrial control panels, HVAC systems
Spring Clamp TerminalsTool-free wire insertion with spring-loaded contactsLighting systems, residential wiring
PCB Terminal BlocksDirect mounting to printed circuit boardsPower supplies, instrumentation
Rubber HousingsFlexible insulation and vibration resistanceAutomotive wiring harnesses
Heat-Shrink BootsThermal activation for tight sealing and strain reliefTelecom cables, aerospace wiring

3. Structure and Components

A typical terminal system consists of: - Conductive Elements: Brass, phosphor bronze, or copper alloys for low resistance. - Housings: Thermoplastic (e.g., PA66, PBT) or rubber for insulation and structural integrity. - Boots: Elastomers like silicone, EPDM, or PVC for environmental sealing. Contacts are often gold-plated or tin-coated for corrosion resistance. Modular designs allow customization for specific applications.

4. Key Technical Specifications

ParameterDescriptionImportance
Current RatingMaximum operational current (e.g., 10-30A)Determines power handling capacity
Voltage RatingOperating voltage range (e.g., 250-1000V)Ensures dielectric strength
Material Temperature Range-40 C to +150 C for standard thermoplasticsOperational reliability in extreme environments
Contact Resistance 10m for high conductivityMinimizes energy loss
Ingress Protection (IP)IP65 to IP68 for dust/water resistanceEnvironmental durability

5. Application Fields

  • Automotive: Engine control units (ECUs), battery packs
  • Industrial Automation: PLC systems, factory sensors
  • Telecommunications: Fiber optic cable junctions
  • Consumer Electronics: Smartphones, wearables
  • Aerospace: Avionics wiring harnesses

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
TE ConnectivityMulti-Bit Terminal BlocksHigh-density design, 16A rating
MolexSL Series Spring Clamp TerminalsVibration-proof, 28AWG compatibility
Phoenix ContactCOMBICON PCB TerminalsUL/CSA certified, 450V rating
AmphenolHermetic Connector HousingsSealed for vacuum environments
DelphiAutomotive Heat-Shrink BootsFuel-resistant EPDM material

7. Selection Guidelines

Key considerations include: - Electrical Requirements: Match current/voltage ratings to application needs. - Environmental Conditions: Select IP-rated housings for outdoor/industrial use. - Mechanical Stress: Use boots with strain relief for vibration-prone areas. - Space Constraints: Miniaturized terminals for compact designs. - Compliance: Ensure RoHS, REACH, or industry-specific certifications.

8. Industry Trends

Emerging trends include: - Miniaturization: Sub-mm terminals for wearable devices. - High-Speed Data Transmission: Terminals supporting 10Gbps+ signals. - Material Innovation: Bio-based polymers for sustainability. - Smart Connectors: Integrated sensors for condition monitoring. - Automated Manufacturing: AI-driven quality control for precision components.

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