Terminals - Turret Connectors

Part Number	Description / PDF	Quantity
1527-4 Keystone Electronics Corp.	TERM TURRET SINGLE L=12.29MM TIN	0
11512 Keystone Electronics Corp.	TERM TURRET SINGLE L=15.09MM TIN	481
1527-1 Keystone Electronics Corp.	TERM TURRET SINGLE L=12.29MM TIN	0
1511-4 Keystone Electronics Corp.	TERM TURRET HOLLOW L=6.17MM TIN	2500
11501 Keystone Electronics Corp.	TERM TURRET SINGLE L=11.53MM TIN	0
1519-4 Keystone Electronics Corp.	TERM TURRET HOLLOW L=4.75MM TIN	0
11510 Keystone Electronics Corp.	TERM TURRET SINGLE L=9.93MM TIN	0
1598-4 Keystone Electronics Corp.	TERM TURRET SINGLE L=7.65MM TIN	0
1508-1 Keystone Electronics Corp.	TERM TURRET SINGLE L=2.36MM TIN	0
1593-4 Keystone Electronics Corp.	TERM TURRET SINGLE L=3.96MM TIN	0
1592-4 Keystone Electronics Corp.	TERM TURRET HOLLOW L=3.96MM TIN	0
1575-1 Keystone Electronics Corp.	TERM TURRET DOUBLE L=4.72MM TIN	0
1533-4 Keystone Electronics Corp.	TERM TURRET HOLLOW L=3.96MM TIN	0
1573-1 Keystone Electronics Corp.	TERM TURRET SINGLE L=4.72MM TIN	0
1573-4 Keystone Electronics Corp.	TERM TURRET SINGLE L=4.72MM TIN	2500
1507-4 Keystone Electronics Corp.	TERM TURRET HOLLOW L=8.33MM TIN	2500
1514-1 Keystone Electronics Corp.	TERM TURRET SINGLE L=7.14MM TIN	0
1526-4 Keystone Electronics Corp.	TERM TURRET HOLLOW L=3.96MM TIN	2500
1519-1 Keystone Electronics Corp.	TERM TURRET HOLLOW L=4.75MM TIN	2500
1593-1 Keystone Electronics Corp.	TERM TURRET SINGLE L=3.96MM 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