Terminals - Quick Connects, Quick Disconnect Connectors

Part Number	Description / PDF	Quantity
1742881-1 TE Connectivity AMP Connectors	CONN QC RCPT 500-1900CMA 0.250	0
0190030044 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.250	1756
0190160043 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.250	2294
0190050014 Woodhead - Molex	CONN QC RCPT 10-12AWG 0.250	654
42404-1 TE Connectivity AMP Connectors	CONN QC RCPT 12-18AWG 0.250	2206
170349-2 TE Connectivity AMP Connectors	CONN QC TAB 20-22AWG 0.250 CRIMP	1150
0190020034 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.110	349
63520-1 TE Connectivity AMP Connectors	CONN QC RCPT 16-20AWG 0.187	0
0190180005 Woodhead - Molex	CONN QC RCPT 18-22AWG 0.250	2753
DPF14-205FIB-M Panduit Corporation	CONN QC RCPT 14-16AWG 0.187	6072000
182490-2 TE Connectivity AMP Connectors	CONN QC RCPT 0.375 CRIMP	0
170032-5 TE Connectivity AMP Connectors	CONN QC RCPT 14-20AWG 0.250	7380
76-IFD16-187 NTE Electronics, Inc.	PVC INS FEMALE DISCONNECT	1510
1-170140-2 TE Connectivity AMP Connectors	187 FLAG FASTON REC	0
63596-1 TE Connectivity AMP Connectors	CONN QC RCPT 14-18AWG 0.187	39905
2178300-1 TE Connectivity AMP Connectors	6.3 SRS F-SPRING LIF RECEPTACLE	3182
150270-1 TE Connectivity AMP Connectors	.375 FASTON RECEPTACLE	5934
170032-2 TE Connectivity AMP Connectors	CONN QC RCPT 14-20AWG 0.250	16842
140716-2 TE Connectivity AMP Connectors	CONN QC RCPT 22-24AWG 0.110	19195
76-NFIMD16C NTE Electronics, Inc.	NYLON FULLY INS MALE DISC 100 BA	3

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