Circular Cable Assemblies

Part Number	Description / PDF	Quantity
1300060536 Woodhead - Molex	MC 3P MP 6' 16/3 PVC N-M	0
1300610201 Woodhead - Molex	MC 4P FP 9M STR 14/4 GRAY	0
1200670264 Woodhead - Molex	MIC 4P FP 5M 90D PNP #18/4 TPE	0
1206151003 Woodhead - Molex	U-LCK Z2 RCPT MIC 5P MR 1FT 1/2N	0
1200860516 Woodhead - Molex	NC 3P M/MP 4M 90D COUPLER 24AW	0
1200680211 Woodhead - Molex	CBL ASSY 4POS MALE TO FMALE 0.3M	83
1200720077 Woodhead - Molex	MIC 2P FP AC 20' 90D #18 PVC	0
1300061317 Woodhead - Molex	MC 5P FP 20' 16/5 SOO	0
1300100402 Woodhead - Molex	MC 3P MFE 6' 90/ST 16/3 PVC N-	0
1300630041 Woodhead - Molex	QC 3P M/MP STR SK 1M 10/3 SS	0
1200668003 Woodhead - Molex	M12-4P-F/MM-ST/ST-0.5M-TPE-#18	24
1300640109 Woodhead - Molex	QC 3P M/MFE 90/90 SK 1M 10/3	0
1300100527 Woodhead - Molex	MC 4P MFE 6' 16/4 PVC N-M	0
1300660121 Woodhead - Molex	QC 3P MR 2M 10/1 PVC 1/2IN NPT	0
1300101671 Woodhead - Molex	114216310G4 W/40' 9C/#14C-FLEX J	0
1300062339 Woodhead - Molex	MC 5P FP 6FT #16/5 BLACK STOOW	0
1300061277 Woodhead - Molex	MC 5P FP 2M 20/5 PVC N-M	0
1300090807 Woodhead - Molex	MC 5P FP 6FT 18/5 PVC SS316 HEX	0
1200690061 Woodhead - Molex	MIC 6P FP 90D 20FT. AC 360 SHL	0
1300060383 Woodhead - Molex	MC 3P FP 20' 16/3 SOO	0

Circular Cable Assemblies

1. Overview

Circular Cable Assemblies are engineered interconnect solutions designed to transmit electrical signals or power through circular-shaped connectors. These assemblies combine multiple wires or cables terminated with circular connectors, ensuring reliable connectivity in demanding environments. Their importance spans across industries requiring robust, high-density, and high-performance connections, particularly in applications where space constraints and environmental resilience are critical.

2. Main Types and Functional Classification

Type	Functional Features	Application Examples
Circular Push-Pull	Quick-mating design with mechanical locking	Industrial automation, medical devices
Circular Threaded	Vibration-resistant threaded coupling	Aerospace, military equipment
Waterproof Circular	IP67+ sealing against liquids and dust	Outdoor telecom equipment, underwater sensors
High-Density Circular	Miniaturized contacts for compact designs	Avionics, robotics

3. Structure and Components

A typical circular cable assembly consists of:

Conductors: Copper/aluminum for signal/power transmission
Insulation: PVC/TPE/PUR jackets for dielectric protection
Shielding: Braided copper or foil for EMI/RFI protection
Connector Housing: Metal/plastic shells with precision contacts
Retention System: Latches, threads, or bayonet couplings

Modular designs allow customization with hybrid signal/power/RF configurations.

4. Key Technical Specifications

Parameter	Importance
Current Rating (Amps)	Determines power transmission capacity
Voltage Rating (Volts)	Defines dielectric strength and safety margins
Contact Resistance (m )	Impacts signal integrity and power efficiency
Operating Temperature (-40 C to +125 C)	Ensures reliability in extreme environments
Mating Cycles (1000-10,000)	Indicates mechanical durability
IP Rating (IP65-IP68)	Defines environmental protection level

5. Application Fields

Primary industries include:

Industrial Automation: PLCs, CNC machines, robotic arms
Telecommunications: 5G base stations, fiber optic enclosures
Medical Equipment: MRI scanners, patient monitoring systems
Aerospace: Avionics, flight control systems
Transportation: Rail signaling systems, EV charging stations

Case Study: In automotive manufacturing, circular assemblies enable high-vibration resistance connections in robotic welding cells operating 24/7.

6. Leading Manufacturers and Products

Manufacturer	Representative Product
TE Connectivity	DEUTSCH DT Series circular connectors
Amphenol	CIRCULAR C Series high-density connectors
Molex	Circular Rast 55 series for industrial control
Delphi	Weatherproof automotive circular connectors

7. Selection Guidelines

Key considerations:

Electrical requirements (current/voltage profiles)
Environmental conditions (temperature, moisture, chemical exposure)
Mechanical demands (vibration, mating cycles, cable bend radius)
Space constraints (connector size and orientation)
Industry-specific certifications (e.g., MIL-STD, UL, RoHS)

Recommend verifying compatibility with existing infrastructure and performing thermal cycling tests for critical applications.

8. Industry Trends

Emerging developments include:

Miniaturization while maintaining high contact density
Integration of fiber optics and high-speed data transmission
Adoption of composite materials for weight reduction
Growing demand for waterproof connectors in outdoor IoT deployments
Standardization of hybrid power/signal interfaces in EV charging

Market forecasts predict 8.2% CAGR through 2027 driven by industrial IoT and 5G infrastructure investments.