Terminals - Quick Connects, Quick Disconnect Connectors

Part Number	Description / PDF	Quantity
0190190033 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.250	1034
0190080024 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.250	10100
0190160075 Woodhead - Molex	CONN QC RCPT 24-26AWG 0.110	6158
0190230008 Woodhead - Molex	CONN QC TAB 10-12AWG 0.250 CRIMP	1947
0190130026 Woodhead - Molex	CONN QC RCPT/TAB 18-22AWG 0.250	1251
0190040001 Woodhead - Molex	CONN QC TAB 18-22AWG 0.250 CRIMP	30720
0190030056 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.187	3945
0190020014 Woodhead - Molex	CONN QC RCPT 18-22AWG 0.110	927
0190160086 Woodhead - Molex	CONN QC RCPT 12-14AWG 0.250	2357
0190050010 Woodhead - Molex	CONN QC RCPT 10-12AWG 0.250	3429
0190230003 Woodhead - Molex	CONN QC TAB 18-22AWG 0.187 CRIMP	2395
0190030010 Woodhead - Molex	CONN QC RCPT 18-22AWG 0.250	3204
0190060013 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.250	1089
0190190011 Woodhead - Molex	CONN QC RCPT 18-22AWG 0.187	3093
0190070036 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.187	132
0190130029 Woodhead - Molex	CONN QC RCPT/TAB 14-16AWG 0.250	67153500
0190160042 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.187	7125
0197054301 Woodhead - Molex	CONN QC TAB 0.250 SOLDER	16611
0190030041 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.250	0
0190030064 Woodhead - Molex	CONN QC RCPT 24-26AWG 0.187	688512000

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