Terminals - Turret Connectors

Part Number	Description / PDF	Quantity
11113 Keystone Electronics Corp.	TERM TURRET HOLLOW L=8.33MM TIN	800
1507-1 Keystone Electronics Corp.	TERM TURRET HOLLOW L=8.33MM TIN	700
1533-1 Keystone Electronics Corp.	TERM TURRET HOLLOW L=3.96MM TIN	6000900
1510-1 Keystone Electronics Corp.	TERM TURRET HOLLOW L=7.92MM TIN	0
1511-1 Keystone Electronics Corp.	TERM TURRET HOLLOW L=6.17MM TIN	2500
11116 Keystone Electronics Corp.	TERM TURRET SLOTTED L=9.91MM TIN	1313100
1572-1 Keystone Electronics Corp.	TERM TURRET SINGLE L=2.64MM TIN	20000
1526-1 Keystone Electronics Corp.	TERM TURRET HOLLOW L=3.96MM TIN	2500
1613-1 Keystone Electronics Corp.	TERM TURRET DOUBLE L=4.72MM TIN	0
1525-4 Keystone Electronics Corp.	TERM TURRET HOLLOW L=8.7MM TIN	7500
1592-1 Keystone Electronics Corp.	TERM TURRET HOLLOW L=3.96MM TIN	5000
1582-4 Keystone Electronics Corp.	TERM TURRET HOLLOW L=8.33MM TIN	2500
1583-4 Keystone Electronics Corp.	TERM TURRET DOUBLE L=4.72MM TIN	0
1514-4 Keystone Electronics Corp.	TERM TURRET SINGLE L=7.14MM TIN	5000
1532-4 Keystone Electronics Corp.	TERM TURRET SINGLE L=5.94MM TIN	0
1532-1 Keystone Electronics Corp.	TERM TURRET SINGLE L=5.94MM TIN	0
1510-4 Keystone Electronics Corp.	TERM TURRET HOLLOW L=7.92MM TIN	0
1574-1 Keystone Electronics Corp.	TERM TURRET DOUBLE L=2.64MM TIN	7500
1575-4 Keystone Electronics Corp.	TERM TURRET DOUBLE L=4.72MM TIN	5000
1559-1 Keystone Electronics Corp.	TERM TURRET HOLLOW L=4.75MM TIN	0

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

Type	Functional Characteristics	Application Examples
Single-Turret Terminal	Single threaded post with hexagonal drive	Automotive battery connections
Double-Turret Terminal	Dual independent threaded posts	Industrial control panels
Weatherproof Turret	Sealed housing with IP67 rating	Marine electrical systems
High-Temperature Terminal	Rated for 200 C continuous operation	Industrial 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

Parameter	Typical Range	Importance
Current Rating	10-100A	Defines power transmission capacity
Voltage Rating	300-1000V	Determines insulation requirements
Contact Resistance	<5m	Impacts power efficiency
Insulation Resistance	>10G	Ensures electrical safety
Temperature Range	-55 C to +200 C	Defines operational environment
Durability	100-5000 cycles	Determines 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

Manufacturer	Product Line	Key Features
TE Connectivity	DT series	Modular design, automotive qualified
Amphenol	Turret PowerLine	High-vibration resistance
Molex	TurretXpress	Quick-installation system
Delphi	Automotive Terminals	TS16949 certified
3M	Industrial Connectors	Corrosion-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