Terminals - Quick Connects, Quick Disconnect Connectors

Part Number	Description / PDF	Quantity
8-640931-1 TE Connectivity AMP Connectors	CONN QC RCPT 14-16AWG 0.110	573
641324-2 TE Connectivity AMP Connectors	CONN QC RCPT 24-26AWG 0.110	14519
42025-1 TE Connectivity AMP Connectors	CONN QC RCPT 16-18AWG 0.250	5699
63949-1 TE Connectivity AMP Connectors	CONN QC TAB 0.250 SOLDER	9721
63555-2 TE Connectivity AMP Connectors	CONN QC RCPT 12-18AWG 0.250	15435
62056-6 TE Connectivity AMP Connectors	CONN QC RCPT 12-18AWG 0.250	0
62057-3 TE Connectivity AMP Connectors	CONN QC RCPT 10-12AWG 0.250	12409
368037-2 TE Connectivity AMP Connectors	250 POSITIVE LOCK REC	14655
3-520150-2 TE Connectivity AMP Connectors	CONN QC RCPT 14-16AWG 0.187	3456
63623-2 TE Connectivity AMP Connectors	CONN QC RCPT 19-24AWG 0.250	0
42710-1 TE Connectivity AMP Connectors	CONN QC RCPT 18-22AWG 0.205	32832
63407-2 TE Connectivity AMP Connectors	CONN QC RCPT 20-24AWG 0.187	23100
2-520263-2 TE Connectivity AMP Connectors	CONN QC RCPT 18-22AWG 0.250	0
66024-2 TE Connectivity AMP Connectors	CONN QC TAB 14-16AWG 0.250 CRIMP	3075
928884-2 TE Connectivity AMP Connectors	FAH FAST STECKH 2,8	45383
2-520184-4 TE Connectivity AMP Connectors	CONN QC RCPT 18-22AWG 0.250	14807
2232112-1 TE Connectivity AMP Connectors	250 SERIES FASTON RECEPTACLE	14455
182524-2 TE Connectivity AMP Connectors	.187 F-F RCPT BRZ SNPL	575
280080-2 TE Connectivity AMP Connectors	CONN QC TAB 10-11.5AWG 0.250	142
41480 TE Connectivity AMP Connectors	CONN QC TAB 0.250	7410

Terminals - Quick Connects, Quick Disconnect Connectors

1. Overview

Quick connects/disconnects (QCDs) are electrical connectors designed for rapid, tool-free connection and disconnection of circuits. These components enable efficient maintenance, modular system design, and reliable signal/power transmission in complex systems. Their importance spans across industries requiring frequent interface changes while maintaining electrical integrity.

2. Major Types & Functional Classification

Type	Functional Features	Application Examples
Single-contact QCDs	Simple push-pull mechanism, 1-10A rating	Consumer electronics peripherals
Multicontact Array	Parallel signal/power paths, IP67 rated	Industrial automation equipment
Hydraulic Couplings	Fluid-tight sealing, 3000psi pressure	Construction machinery hydraulics
Blade Terminals	Tab-width standardized (4.8-9.5mm), vibration-resistant	Automotive electrical systems
Push-to-Connect	Self-locking collet mechanism, 0.5s engagement	Medical device rapid deployment

3. Structural Composition

Typical QCD construction includes:

Dielectric housing (PA66, LCP, or PBT materials)
Contact elements (phosphor bronze, beryllium copper)
Retention mechanism (spring-loaded collets, detent balls)
Environmental seals (EPDM or silicone O-rings)
Strain relief components (integral cable clamps)

4. Key Technical Parameters

Parameter	Typical Range	Significance
Contact Resistance	1-10 m	Directly affects power loss
Insulation Resistance	100M -10G	Ensures circuit isolation
Operating Temperature	-55 C to +150 C	Determines environmental suitability
Insertion Force	5-50N	Impacts user experience
Durability	500-10,000 cycles	Service life indicator

5. Application Fields

Primary industries include:

Automotive (EV charging interfaces, sensor harnesses)
Aerospace (avionics rack connections)
Industrial Automation (robotic arm tooling)
Medical (patient monitoring equipment)
Telecommunications (base station RF connections)

6. Leading Manufacturers

Manufacturer	Representative Product	Key Specification
TE Connectivity	MICRO SWITCH QT	IP69K rated, 1000VAC
Molex	PicoBlade 0.8mm	0.3A contact rating
Amphenol	QCD Series 262	Hydraulic 3000psi capability
Weidm ller	OMQ Quick Connect	Vibration-proof design
Delphi	Metri-Pack 150	Automotive standard

7. Selection Guidelines

Key considerations:

Current/voltage requirements (derating factors)
Environmental protection needs (IP rating)
Engagement/disengagement frequency
Space constraints (3D footprint)
Material compatibility (corrosion resistance)
Certification requirements (UL, CE, MIL-STD)

8. Industry Trends

Current development trends include:

Nanocoating integration for corrosion resistance
Smart connectors with embedded sensors
Miniaturization (sub-mm contact spacing)
High-temperature superconducting materials
Automated mating systems for Industry 4.0