Terminals - Quick Connects, Quick Disconnect Connectors

Part Number	Description / PDF	Quantity
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
170349-1 TE Connectivity AMP Connectors	CONN QC TAB 20-22AWG 0.250 CRIMP	0
8-640909-1 TE Connectivity AMP Connectors	CONN QC RCPT 18-22AWG 0.205	1950
520974-2 TE Connectivity AMP Connectors	CONN QC RCPT 10-14AWG 0.250	0
626377-1 TE Connectivity AMP Connectors	CONN QC TAB 18-22AWG 0.250 CRIMP	0
3-520340-2 TE Connectivity AMP Connectors	CONN QC RCPT 14-16AWG 0.187	98954
521081-1 TE Connectivity AMP Connectors	CONN QC RCPT 14-18AWG 0.250	0
165565-1 TE Connectivity AMP Connectors	CONN QC RCPT 16-22AWG 0.110	9736
640919-1 TE Connectivity AMP Connectors	CONN QC RCPT 14-16AWG 0.187	4994
63677-1 TE Connectivity AMP Connectors	CONN QC RCPT 12-16AWG 0.312	6752
160314-2 TE Connectivity AMP Connectors	CONN QC RCPT 10-11.5AWG 0.250	2647
2238143-1 TE Connectivity AMP Connectors	FASTON LIF 250 22-18AWG NPST (25	11775
63480-2 TE Connectivity AMP Connectors	CONN QC RCPT 22-27AWG 0.250	11777
42373-2 TE Connectivity AMP Connectors	CONN QC RCPT 16-20AWG 0.187	5930
9-160583-2 TE Connectivity AMP Connectors	CONN QC RCPT 15.5-22AWG 0.250	8070
62572-6 TE Connectivity AMP Connectors	CONN QC RCPT 16-20AWG 0.110	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