Terminals - Quick Connects, Quick Disconnect Connectors

Part Number	Description / PDF	Quantity
63195-1 TE Connectivity AMP Connectors	CONN QC RCPT 16-20AWG 0.187	12102
63674-1 TE Connectivity AMP Connectors	CONN QC RCPT 14-18AWG 0.250	18823
7814 Keystone Electronics Corp.	CONN QC TAB 0.250 SOLDER	404
MU18-250DFK 3M	CONN QC RCPT 18-22AWG 0.250	10004
184268-2 TE Connectivity AMP Connectors	CONN QC RCPT 18-22AWG 0.187	14804
170233-1 TE Connectivity AMP Connectors	CONN QC RCPT 14-20AWG 0.250	3305
927854-1 TE Connectivity AMP Connectors	CONN QC RCPT 13.5-17AWG 0.250	2894
62437-1 TE Connectivity AMP Connectors	CONN QC TAB 0.110 SOLDER	4620
63850-1 TE Connectivity AMP Connectors	CONN QC RCPT 16-20AWG 0.187	50485
42415-1 TE Connectivity AMP Connectors	CONN QC RCPT 22-24AWG 0.110	2
3240160 Phoenix Contact	CONN QC RCPT 10-12AWG 0.250	0
180423-2 TE Connectivity AMP Connectors	CONN QC RCPT 15-20AWG 0.110	10983
160913-2 TE Connectivity AMP Connectors	CONN QC RCPT 11-13AWG 0.250	0
640916-1 TE Connectivity AMP Connectors	CONN QC RCPT 18-22AWG 0.187	0
160860-2 TE Connectivity AMP Connectors	CONN QC RCPT 17-20AWG 0.250	407
76-NFIFD12 NTE Electronics, Inc.	NYLON FULLY INS FEM DISC	477
0190170014 Woodhead - Molex	CONN QC RCPT 18-22AWG 0.250	2063
280074-2 TE Connectivity AMP Connectors	CONN QC TAB 7-10AWG 0.375 CRIMP	69715
8-1377174-4 TE Connectivity AMP Connectors	SMP 0-0165566-2	1405
6-160558-0 TE Connectivity AMP Connectors	CONN QC RCPT 15.5-20AWG 0.250	0

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