Terminals - Turret Connectors

Image Part Number Description / PDF Quantity Rfq
1509-3

1509-3

Keystone Electronics Corp.

TERM TURRET HOLLOW L=7.92MM TIN

764

1574-3

1574-3

Keystone Electronics Corp.

TERM TURRET DOUBLE L=2.64MM TIN

900

1528-3

1528-3

Keystone Electronics Corp.

TERM TURRET SINGLE L=2.36MM TIN

58698200

11302

11302

Keystone Electronics Corp.

TERM TURRET SINGLE L=6.35MM TIN

2781000

1507-2

1507-2

Keystone Electronics Corp.

TERM TURRET HOLLOW L=8.33MM TIN

700

10-302-2-05

10-302-2-05

Concord Electronics

NON-INSULATED THRU-HOLE TURRET T

10000

2111-2-00-44-00-00-07-0

2111-2-00-44-00-00-07-0

Mill-Max

TERM TURRET SINGLE L=1.79MM

800

11115

11115

Keystone Electronics Corp.

TERM TURRET L=11.51MM TIN

90

H9023-01

H9023-01

Harwin

TERM TURRET HOLLOW L=3.96MM TIN

352

1503-3

1503-3

Keystone Electronics Corp.

TERM TURRET SINGLE L=9.14MM TIN

1110

2704-2-00-80-00-00-07-0

2704-2-00-80-00-00-07-0

Mill-Max

TERM TURRET SINGLE L=8.33MM TIN

2950

H2072ZL1

H2072ZL1

Harwin

TERM TURRET SLOTTED L=6.52MM TIN

305

2506-3-00-50-00-00-07-0

2506-3-00-50-00-00-07-0

Mill-Max

TERM TURRET SINGLE L=3.96MM

0

H9004-01

H9004-01

Harwin

TERM TURRET SINGLE L=4.88MM TIN

6715

1595-2

1595-2

Keystone Electronics Corp.

TERM TURRET SINGLE L=4.75MM TIN

78225800

12-459-2-01

12-459-2-01

Concord Electronics

NON-INSULATED SLOTTED TERMINAL

10000

1520-2

1520-2

Keystone Electronics Corp.

TERM TURRET SINGLE L=4.75MM TIN

2147483647

1557-2

1557-2

Keystone Electronics Corp.

TERM TURRET HOLLOW L=9.53MM TIN

18700

1525-2

1525-2

Keystone Electronics Corp.

TERM TURRET HOLLOW L=8.7MM TIN

2664

H2073Z01

H2073Z01

Harwin

TERM TURRET SLOTTED L=9.12MM TIN

1177

Terminals - Turret Connectors

1. Overview

Turret Connectors are electrical interconnect solutions featuring cylindrical terminals with threaded posts for secure wire attachment. This screw-type connection mechanism allows reliable termination of stranded or solid wires without soldering. Their vibration-resistant design and high current-carrying capacity make them critical components in automotive, industrial, and aerospace systems requiring robust electrical connections.

2. Major Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Single-Turret TerminalSingle threaded post with hexagonal driveAutomotive battery connections
Double-Turret TerminalDual independent threaded postsIndustrial control panels
Weatherproof TurretSealed housing with IP67 ratingMarine electrical systems
High-Temperature TerminalRated for 200 C continuous operationIndustrial ovens

3. Structure and Composition

Typical turret connectors consist of: - Conductive core (brass/copper alloy with gold/silver plating) - Insulating body (high-temperature nylon or PBT) - Threaded turret (M3-M8 metric sizes) - Locking mechanism (nylon insert or mechanical lock tab) - Mounting flange (steel with zinc coating)

4. Key Technical Parameters

ParameterTypical RangeImportance
Current Rating10-100ADefines power transmission capacity
Voltage Rating300-1000VDetermines insulation requirements
Contact Resistance<5m Impacts power efficiency
Insulation Resistance>10G Ensures electrical safety
Temperature Range-55 C to +200 CDefines operational environment
Durability100-5000 cyclesDetermines service life

5. Application Fields

  • Automotive: ECU connections, alternator terminals
  • Industrial: PLC systems, motor controllers
  • Aerospace: Avionics power distribution
  • Consumer: High-end audio amplifiers

6. Major Manufacturers and Products

ManufacturerProduct LineKey Features
TE ConnectivityDT seriesModular design, automotive qualified
AmphenolTurret PowerLineHigh-vibration resistance
MolexTurretXpressQuick-installation system
DelphiAutomotive TerminalsTS16949 certified
3MIndustrial ConnectorsCorrosion-resistant plating

7. Selection Guidelines

Key considerations include: - Current/voltage requirements (select 20% above system needs) - Environmental conditions (temperature, vibration, moisture) - Space constraints (panel cutout dimensions) - Certification requirements (ISO 8092 for automotive) - Maintenance access (positioning for tool engagement) - Cost optimization (balance between precious metal content and conductivity needs)

8. Industry Trends

Current developments include: - Miniaturization for EV power electronics - Composite materials for weight reduction - Integrated sensors for condition monitoring - Lead-free plating technologies - Standardization through IEC 60352-3 updates

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