Terminals - Quick Connects, Quick Disconnect Connectors

Part Number	Description / PDF	Quantity
0190080031 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.250	1987
0190070029 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.187	777
0190180006 Woodhead - Molex	CONN QC RCPT 18-22AWG 0.250	0
0190030052 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.187	769
0190130030 Woodhead - Molex	CONN QC RCPT/TAB 14-16AWG 0.250	2875
0190180001 Woodhead - Molex	CONN QC RCPT 18-22AWG 0.187	7970
0197054201 Woodhead - Molex	CONN QC TAB 0.250 SOLDER	0
0190190008 Woodhead - Molex	CONN QC RCPT 18-22AWG 0.187	856
0190230005 Woodhead - Molex	CONN QC TAB 18-22AWG 0.250 CRIMP	3738
0190030038 Woodhead - Molex	CONN QC RCPT 18-22AWG 0.205	4204
0191640051 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.250	891
0190010003 Woodhead - Molex	CONN QC TAB 18-22AWG 0.187 CRIMP	3849
0190230004 Woodhead - Molex	CONN QC TAB 18-22AWG 0.187 CRIMP	761
0190160081 Woodhead - Molex	CONN QC RCPT 12-14AWG 0.187	1144
0196060002 Woodhead - Molex	CONN QC RCPT 10-12AWG 0.250	31067
0190040005 Woodhead - Molex	CONN QC TAB 14-16AWG 0.250 CRIMP	5283
0190160070 Woodhead - Molex	CONN QC RCPT 10-12AWG 0.250	7456
0190010005 Woodhead - Molex	CONN QC TAB 18-22AWG 0.187 CRIMP	1621
0190050009 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.250	46934
0940303911 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.250	35765

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