Terminals - Quick Connects, Quick Disconnect Connectors

Part Number	Description / PDF	Quantity
60850-2 TE Connectivity AMP Connectors	CONN QC TAB 14-18AWG 0.187 CRIMP	11491
63703-1 TE Connectivity AMP Connectors	CONN QC RCPT 16-20AWG 0.110	0
170328-1 TE Connectivity AMP Connectors	CONN QC RCPT 14-18AWG 0.250	6845
1742803-1 TE Connectivity AMP Connectors	312 FAST PCB TAB 032TPBR	12639
42214-1 TE Connectivity AMP Connectors	CONN QC TAB 0.250	34922
63862-1 TE Connectivity AMP Connectors	CONN QC TAB 0.250 SOLDER	0
62049-2 TE Connectivity AMP Connectors	CONN QC RCPT/TAB 10-14AWG 0.250	0
62253-1 TE Connectivity AMP Connectors	CONN QC RCPT/TAB 10-14AWG 0.250	6706
927852-8 TE Connectivity AMP Connectors	CONN QC RCPT 17-20AWG 0.250	2876
173723-1 TE Connectivity AMP Connectors	CONN QC RCPT 20-26AWG 0.187	0
1969283-2 TE Connectivity AMP Connectors	CONN QC RCPT 14-18AWG 0.250	0
170031-1 TE Connectivity AMP Connectors	CONN QC RCPT 14-20AWG 0.250	11900
2825084-1 TE Connectivity AMP Connectors	HIGH TEMPERATURE 250 POSITIVE LO	11117
4-160256-7 TE Connectivity AMP Connectors	CONN QC RCPT 13.5-17AWG 0.250	0
1742999-1 TE Connectivity AMP Connectors	CONN QC RCPT 14-18AWG 0.250	26980
180422-2 TE Connectivity AMP Connectors	312 F IN-ON REC FL	8993
737015-3 TE Connectivity AMP Connectors	CONN QC RCPT 10-11.5AWG 0.250	11445
640905-1 TE Connectivity AMP Connectors	CONN QC RCPT 14-16AWG 0.250	78028
170041-1 TE Connectivity AMP Connectors	CONN QC TAB 16-20AWG 0.110 CRIMP	9291
63655-1 TE Connectivity AMP Connectors	CONN QC RCPT 14-18AWG 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