Terminals - Quick Connects, Quick Disconnect Connectors

Part Number	Description / PDF	Quantity
0190070073 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.250	0
0190020009 Woodhead - Molex	CONN QC RCPT 18-22AWG 0.187	10116
0196001304 Woodhead - Molex	CONN QC RCPT 16-22AWG 0.187	3262
0196060004 Woodhead - Molex	CONN QC RCPT 10-12AWG 0.250	6997
0190220018 Woodhead - Molex	CONN QC TAB 14-16AWG 0.250 CRIMP	6010
0197054203 Woodhead - Molex	CONN QC TAB 0.250 SOLDER	6506
0190110037 Woodhead - Molex	CONN QC RCPT/TAB 14-16AWG 0.250	4060
0197054303 Woodhead - Molex	CONN QC TAB 0.250 SOLDER	530
0190050030 Woodhead - Molex	CONN QC RCPT 18-22AWG 0.250	10000
0190070014 Woodhead - Molex	CONN QC RCPT 18-22AWG 0.187	6448
0190020016 Woodhead - Molex	CONN QC RCPT 18-22AWG 0.110	6634
0190110040 Woodhead - Molex	CONN QC RCPT/TAB 10-12AWG 0.250	3309
0190030105 Woodhead - Molex	CONN QC RCPT 18-22AWG 0.250	0
0357180900 Woodhead - Molex	CONN QC RCPT 16-20AWG 0.187	6836
0190160069 Woodhead - Molex	CONN QC RCPT 10-12AWG 0.250	674
0190060015 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.187	3714
0191640084 Woodhead - Molex	CONN QC TAB 0.250 CRIMP	231
0190160040 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.187	211
0190030032 Woodhead - Molex	CONN QC RCPT 18-22AWG 0.110	5077
0190190031 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.250	9297

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