Terminals - Quick Connects, Quick Disconnect Connectors

Part Number	Description / PDF	Quantity
0190030047 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.250	1101
0190170004 Woodhead - Molex	CONN QC RCPT 18-22AWG 0.110	10607
0190250005 Woodhead - Molex	CONN QC TAB 10-12AWG 0.250 CRIMP	1130
0190170032 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.187	4845
0190030013 Woodhead - Molex	CONN QC RCPT 18-22AWG 0.187	126
0196060006 Woodhead - Molex	CONN QC RCPT 10-12AWG 0.250	1534
0190010002 Woodhead - Molex	CONN QC TAB 18-22AWG 0.250 CRIMP	683
0190030122 Woodhead - Molex	CONN QC RCPT 18-22AWG 0.250	0
0190170005 Woodhead - Molex	CONN QC RCPT 18-22AWG 0.110	6060
0190050003 Woodhead - Molex	CONN QC RCPT 18-22AWG 0.250	8304
0190030014 Woodhead - Molex	CONN QC RCPT 18-22AWG 0.187	2881
0190160035 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.110	231111000
0197084013 Woodhead - Molex	CONN QC TAB 0.187 SOLDER	7540
0190020021 Woodhead - Molex	CONN QC RCPT 18-22AWG 0.205	3237
0196001306 Woodhead - Molex	CONN QC RCPT 16-22AWG 0.250	2242
0945120101 Woodhead - Molex	CONN QC RCPT 18-24AWG 0.250	0
0190190030 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.187	4243
0357252410 Woodhead - Molex	CONN QC RCPT 14-18AWG 0.250	5177
0190070053 Woodhead - Molex	CONN QC RCPT 10-12AWG 0.250	50
0190030053 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.187	2408

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