Terminals - Quick Connects, Quick Disconnect Connectors

Part Number	Description / PDF	Quantity
63982-1 TE Connectivity AMP Connectors	CONN QC TAB 0.187 SOLDER	14964
DNF14-250-M Panduit Corporation	CONN QC RCPT 14-16AWG 0.250	350017000
0190020037 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.110	0
638363122002 Würth Elektronik Midcom	WR-FAST_THT MALE RIGHT ANGLED HE	100
FDI18-187Q 3M	FM DISCONNECT FULLY NYLON INS	3159
165566-2 TE Connectivity AMP Connectors	110 PIDG FASTON REC	7702
70F-110-32-PB 3M	CONN QC RCPT 22-26AWG 0.110	464
DV14-206B-M Panduit Corporation	CONN QC RCPT 14-16AWG 0.187	843
ED14-250MB-Q Panduit Corporation	STRONGHOLD MALE DISCONNECT, NON-	4990
2-520084-2 TE Connectivity AMP Connectors	CONN QC RCPT 18-22AWG 0.110	47580
76-NIPD22C NTE Electronics, Inc.	NYLON INS PIGGYBACK DISC 100 BAG	5
0190080029 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.187	3603
1969109-1 TE Connectivity AMP Connectors	250 ULTRA-POD FLAG 18-14 BR	6645
0192740005 Woodhead - Molex	CONN QC RCPT 14-16AWG 0.250	6107
0190030030 Woodhead - Molex	CONN QC RCPT 18-22AWG 0.110	2603
1217073-1 TE Connectivity AMP Connectors	CONN QC TAB 1500-5000CMA 0.125	8577
94827 3M	CONN QC TAB 14-16AWG 0.250 CRIMP	1022
3240156 Phoenix Contact	CONN QC RCPT 16-20AWG 0.250	0
184235-1 TE Connectivity AMP Connectors	CONN QC RCPT 14-16AWG 0.187	962
170467-1 TE Connectivity AMP Connectors	CONN QC RCPT 14-18AWG 0.187	12260

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