Terminals - Housings, Boots

Image Part Number Description / PDF Quantity Rfq
0352720310

0352720310

Woodhead - Molex

CONN MALE TAB HOUSING 0.25 3POS

0

0355440200

0355440200

Woodhead - Molex

CONN RCPT HSG 0.11 2POS NATURAL

0

0945069000

0945069000

Woodhead - Molex

CONN RCPT HSG 0.25 1POS WHITE

39000

0358179290

0358179290

Woodhead - Molex

CONN RCPT HSG 0.187 2POS NATURAL

0

0351890200

0351890200

Woodhead - Molex

CONN RCPT HSG 0.187 2POS NATURAL

0

0355480300

0355480300

Woodhead - Molex

CONN RCPT CLUSTER BLCK HSG 3POS

0

0351790480

0351790480

Woodhead - Molex

CONN RCPT HOUSING 0.25 4POS

0

0352740311

0352740311

Woodhead - Molex

CONN RCPT HOUSING 3POS

0

0495110301

0495110301

Woodhead - Molex

CONN RCPT HSG 0.187 3POS BLACK

237500

0358170290

0358170290

Woodhead - Molex

CONN RCPT HSG 0.187 2POS NATURAL

0

0352700610

0352700610

Woodhead - Molex

CONN RCPT HOUSING 6POS

0

0351120210

0351120210

Woodhead - Molex

CONN RCPT HSG 0.11 2POS NATURAL

0

0940904140

0940904140

Woodhead - Molex

CONN RCPT HSG 0.25 4POS NATURAL

0

0359600302

0359600302

Woodhead - Molex

CONNECTOR RECEPTACLE

0

0940904160

0940904160

Woodhead - Molex

CONN MALE TAB HSG 0.25 4POS WHT

0

0355460700

0355460700

Woodhead - Molex

CONN NON-GENDER HSG 0.118/0.250

0

0350254002

0350254002

Woodhead - Molex

CONN RCPT SLEEVE 0.25 1POS WHITE

0

0940904030

0940904030

Woodhead - Molex

CONN RCPT HSG 0.25 1POS NATURAL

0

0351890281

0351890281

Woodhead - Molex

CONN RCPT HSG 0.187 2POS NATURAL

0

0352740411

0352740411

Woodhead - Molex

CONN RCPT HOUSING 4POS

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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