Terminals - Turret Connectors

Image Part Number Description / PDF Quantity Rfq
11320

11320

Keystone Electronics Corp.

TERM TURRET SINGLE L=3.81MM TIN

400

15-102-3-088

15-102-3-088

Concord Electronics

NON-INSULATED TURRET TERMINAL

10000

2501-2-00-44-00-00-07-0

2501-2-00-44-00-00-07-0

Mill-Max

TERM TURRET SINGLE L=5.56MM

2904

1528-1

1528-1

Keystone Electronics Corp.

TERM TURRET SINGLE L=2.36MM TIN

7585

1545-3

1545-3

Keystone Electronics Corp.

TERM TURRET DOUBLE L=9.14MM TIN

6500

11251

11251

Keystone Electronics Corp.

TERM TURRET DOUBLE L=4.95MM TIN

10912100

1582-2

1582-2

Keystone Electronics Corp.

TERM TURRET HOLLOW L=8.33MM TIN

27781700

2316-3-00-80-00-00-07-0

2316-3-00-80-00-00-07-0

Mill-Max

TERM TURRET SINGLE L=3.84MM TIN

6745

2506-2-00-44-00-00-07-0

2506-2-00-44-00-00-07-0

Mill-Max

TERM TURRET SINGLE L=3.96MM

6840

1559-2

1559-2

Keystone Electronics Corp.

TERM TURRET HOLLOW L=4.75MM TIN

2667600

1583-2

1583-2

Keystone Electronics Corp.

TERM TURRET DOUBLE L=4.72MM TIN

1500

11217

11217

Keystone Electronics Corp.

TERM TURRET PIN L=9.53MM TIN

301600

11351

11351

Keystone Electronics Corp.

TERM TURRET SINGLE L=12.95MM TIN

1735856

1503-1

1503-1

Keystone Electronics Corp.

TERM TURRET SINGLE L=9.14MM TIN

12500

11112

11112

Keystone Electronics Corp.

TERM TURRET HOLLOW L=11.51MM TIN

0

2501-2-00-80-00-00-07-0

2501-2-00-80-00-00-07-0

Mill-Max

TERM TURRET SINGLE L=5.56MM TIN

10407

1527-3

1527-3

Keystone Electronics Corp.

TERM TURRET SINGLE L=12.29MM TIN

2200

11307

11307

Keystone Electronics Corp.

TERM TURRET SINGLE L=7.37MM TIN

0

2110-2-00-80-00-00-07-0

2110-2-00-80-00-00-07-0

Mill-Max

TERM TURRET SINGLE L=5.84MM TIN

9340

1503-2

1503-2

Keystone Electronics Corp.

TERM TURRET SINGLE L=9.14MM TIN

1348127800

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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