Terminals - Ring Connectors

Part Number	Description / PDF	Quantity
P8-10R-T Panduit Corporation	CONN RING CIRC 8AWG #10 CRIMP	1591
3240018 Phoenix Contact	CONN RING CIRC 16-20AWG M4 CRIMP	1215412600
0192030486 Woodhead - Molex	CONN RING CIRC 18-22AWG #1/4	510820000
P14-10RHT6-C Panduit Corporation	CONN RING CIRC 14-18AWG #10	28513800
696424-8 TE Connectivity AMP Connectors	CONN RING CIRC 10-12AWG #5/16	2263
P14-6RHT6-C Panduit Corporation	CONN RING CIRC 14-18AWG #6 CRIMP	5893900
0191930074 Woodhead - Molex	CONN RING CIRC 14-16AWG #5/16	3484
322455 TE Connectivity AMP Connectors	CONN RING CIRC 10-12AWG #10	9900
2-34159-1 TE Connectivity AMP Connectors	CONN RING CIRC 14-16AWG #6 CRIMP	3256
94758 3M	CONN RING CIR 6AWG #1/4 1=1PC	140
626034-2 TE Connectivity AMP Connectors	CONN RING CIRC 13-17AWG CRIMP	37915
321576 TE Connectivity AMP Connectors	CONN RING CIRC 6AWG #1/4 CRIMP	358
3240029 Phoenix Contact	CONN RING CIRC 10-12AWG M6 CRIMP	2799
2-35106-1 TE Connectivity AMP Connectors	CONN RING CIRC 14-16AWG #8 CRIMP	1088
34123-2 TE Connectivity AMP Connectors	CONN RING CIRC 14-16AWG #10	870
0190440154 Woodhead - Molex	CONN RING CIRC 14-16AWG #8 CRIMP	3515
8-32961-1 TE Connectivity AMP Connectors	CONN RING CIRC 14-16AWG #1/4	864
0190570088 Woodhead - Molex	CONN RING CIRC 14-16AWG #6 CRIMP	2766
42751-3 TE Connectivity AMP Connectors	CONN RING CIRC 14-16AWG CRIMP	0
M6-14R/SX-BOTTLE 3M	CONN RING CIRC 6AWG #1/4 10PC	5

Terminals - Ring Connectors

1. Overview

Ring connectors are cylindrical metallic terminals with a closed loop at one end, designed to establish secure electrical connections between wires and screw-type terminals. They prevent wire fraying and ensure stable contact in high-vibration environments. Critical for power transmission and signal integrity in industrial and automotive systems.

2. Main Types & Functional Classification

Type	Functional Features	Application Examples
Open Barrel Ring	Split design for easy wire insertion	Battery terminals, control panels
Closed Barrel Ring	360 compression for maximum conductivity	High-vibration machinery
Insulated Ring	Polymer coating for short-circuit prevention	Automotive electronics

3. Structure & Composition

Typical construction includes:

Copper alloy body (C11000/C14500) with tin/nickel plating
Insulation sleeve (PVC/nylon, 105 C rating)
Barrel section with 2-3 crimping zones for wire retention
Loop diameter tolerance 0.1mm for screw compatibility

4. Key Technical Specifications

Parameter	Typical Range	Importance
Ampacity	10-150A	Current carrying capacity
Contact Resistance	0.5-5m	Power loss prevention
Dielectric Strength	1kV-5kV	Insulation reliability
Vibration Resistance	15G @ 10Hz-2kHz	Automotive compliance

5. Application Fields

Primary industries:

Automotive (battery cables, alternator connections)
Industrial automation (PLC terminals, motor drives)
Renewable energy (solar charge controllers)
Aerospace (avionics grounding systems)

6. Leading Manufacturers & Products

Manufacturer	Product Series	Key Features
TE Connectivity	DT Ring Terminals	Corrosion-resistant alloy, 125A rating
Phoenix Contact	RTME Series	Push-in wire connection, 600V compliance
Sumitomo Electric	HR4H-S-DC5V	Automotive-grade tin-plated copper

7. Selection Guidelines

Key considerations:

Current/voltage requirements
Wire gauge compatibility (AWG 22-4/0)
Environmental factors (temperature, humidity, vibration)
UL/CSA certification for safety compliance
Color-coded insulation for circuit identification

8. Industry Trends

Emerging developments include:

Miniaturization for EV battery management systems
Graphene-enhanced plating for corrosion resistance
Smart connectors with integrated current sensing
Lead-free manufacturing processes (RoHS compliance)