Terminals - Magnetic Wire Connectors

Part Number	Description / PDF	Quantity
62903-1 TE Connectivity AMP Connectors	CONN MAG TERM 18-20AWG IDC	0
63277-1 TE Connectivity AMP Connectors	CONN MAG TERM 20-22AWG PIN	0
62895-1 TE Connectivity AMP Connectors	CONN MAG TERM 18-22AWG TAB	0
160810-2 TE Connectivity AMP Connectors	CONN MAG TERM 28-30AWG QC 0.110	0
42076 TE Connectivity AMP Connectors	CONN MAG TERM 600-3000CMA CRIMP	29775
63665-1 TE Connectivity AMP Connectors	CONN MAG TERM 17-19AWG QC 0.187	19250
1742833-1 TE Connectivity AMP Connectors	CONN MAG TERM 31-33AWG IDC	0
62935-9 TE Connectivity AMP Connectors	CONN MAG TERM 23-27AWG IDC	0
63740-2 TE Connectivity AMP Connectors	CONN MAG TERM 17-19AWG IDC	0
63861-1 TE Connectivity AMP Connectors	CONN MAG TERM 24-27AWG IDC	0
62429-1 TE Connectivity AMP Connectors	CONN MAG TERM 27-30AWG IDC	0
4-1601006-2 TE Connectivity AMP Connectors	CONN MAG TERM 18-34AWG QC 0.187	0
136826-1 TE Connectivity AMP Connectors	CONN MAG TERM 17-18AWG IDC	0
6-1601046-1 TE Connectivity AMP Connectors	CONN MAG TERM 18-34AWG IDC	19950
2-1601139-2 TE Connectivity AMP Connectors	CONN MAG TERM 12-23AWG QC 0.250	12600
1601011-2 TE Connectivity AMP Connectors	CONN MAG TERM 18-34AWG QC 0.187	0
63454-1 TE Connectivity AMP Connectors	CONN MAG TERM 1500-4200CMA CRIMP	0
1394430-1 TE Connectivity AMP Connectors	CONN MAG TERM 26-30AWG	0
62438-1 TE Connectivity AMP Connectors	CONN MAG TERM 25-27AWG PCB	0
63132-3 TE Connectivity AMP Connectors	CONN MAG TERM 27-30AWG QC 0.250	19750

Terminals - Magnetic Wire Connectors

1. Overview

Magnetic Wire Connectors are electromagnetic interconnect solutions designed for rapid, tool-free electrical connections. These terminals utilize magnetic forces to maintain stable contact between mating surfaces, offering advantages in durability, alignment precision, and safety. Their significance in modern technology stems from applications in consumer electronics, industrial automation, and medical devices, where reliable connectivity and quick-disconnect capabilities are critical.

2. Main Types and Functional Classification

Type	Functional Features	Application Examples
Magnetic Latching Connectors	High-retention force with mechanical locking	Industrial robotics, battery charging systems
Self-Aligning Magnetic Connectors	Automatic centering mechanism for misalignment tolerance	Medical equipment, aerospace systems
High-Power Magnetic Connectors	Optimized for currents 50A with thermal management	Electric vehicle charging, heavy machinery
Signal Transmission Connectors	Shielded design for high-frequency signal integrity	Telecom infrastructure, IoT devices

3. Structure and Components

Typical magnetic wire connectors consist of: - Magnetic Core: Rare-earth neodymium magnets for high flux density - Contact Pins: Gold-plated phosphor bronze with 0.8 1.2N contact force - Insulation Housing: LCP (Liquid Crystal Polymer) with UL94 V-0 flammability rating - Alignment System: Conical guides with 5 angular misalignment compensation - EMI Shielding: 360 braided copper mesh for signal types

4. Key Technical Specifications

Parameter	Typical Range	Importance
Contact Resistance	5 20m	Impacts power efficiency and thermal stability
Rated Current	1 200A	Determines load-carrying capacity
Dielectric Strength	500 2500VAC	Ensures electrical safety
Insertion Force	5 25N	Affects user experience and durability
Operating Temperature	-40 C to +125 C	Defines environmental compatibility
Life Cycle	10,000 50,000 mating cycles	Measures long-term reliability

5. Application Fields

Consumer Electronics: Laptop charging ports (e.g., Apple MagSafe), wireless earbuds cases
Medical Devices: MRI machine connectors, patient monitoring systems
Automotive: EV charging couplers, autonomous vehicle sensor interfaces
Industrial: Automated guided vehicle (AGV) power interfaces, CNC machine tooling

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Features
TE Connectivity	MAG-MATE Series	IP67-rated, 16A rating for factory automation
Molex	SL Series Magnetic Connectors	Modular design with 12Gbps data transmission
Amphenol	MAG-LOK Connectors	1500V dielectric withstand for solar inverters
Hirose Electric	HR4H-SB-MAG	Compact 8.5mm pitch for IoT devices

7. Selection Guidelines

Key considerations include: - Current/voltage requirements vs. contact resistance - Environmental factors (temperature, vibration, liquid exposure) - Mechanical mating cycle requirements - Signal integrity needs for high-speed applications - Compliance with standards (e.g., IEC 61984, UL 1977) - Cost trade-offs between rare-earth magnets vs. ferrite alternatives

8. Industry Trends

Emerging developments include: - Integration with wireless charging protocols (e.g., Qi 2.0) - Nano-coating technologies for IP68 sealing without bulk - Hybrid connectors combining magnetic and USB-C interfaces - AI-driven contact wear prediction algorithms - Biodegradable polymer housing materials for eco-design compliance