Circular Cable Assemblies

Image Part Number Description / PDF Quantity Rfq
M12A08ML-12AMR-SDA05

M12A08ML-12AMR-SDA05

LTW (Amphenol LTW)

CBL ASSY 8POS MALE TO MALE 0.5M

37

AU-08BFFM-QL8D01

AU-08BFFM-QL8D01

LTW (Amphenol LTW)

CBL ASSEMBLY 8POS F TO WIRE 1M

43

BB-03AFFM-QR8E01

BB-03AFFM-QR8E01

LTW (Amphenol LTW)

CBL ASSY 3POS F TO WIRE 1M

46

CB-04AFMM-QL8D01

CB-04AFMM-QL8D01

LTW (Amphenol LTW)

CBL MALE TO WIRE LEAD 4POS 3.28'

70

M12A10ML-12AMR-SDA05

M12A10ML-12AMR-SDA05

LTW (Amphenol LTW)

CBL ASSY 10POS MALE TO MALE 0.5M

48

BD-03AFMM-QL8D01

BD-03AFMM-QL8D01

LTW (Amphenol LTW)

CBL ASSEMBLY 3POS M TO WIRE 1M

35

M12A10ML-12AFL-SB001

M12A10ML-12AFL-SB001

LTW (Amphenol LTW)

CBL ASSY 10POS MALE TO FEMALE 1M

23

Q8U-06AMMM-QL8A01

Q8U-06AMMM-QL8A01

LTW (Amphenol LTW)

CBL MALE TO WIRE LEAD 6POS 3.28'

5

M12A10FL-12AFL-SBA05

M12A10FL-12AFL-SBA05

LTW (Amphenol LTW)

CBL ASSY 10POS FML TO FML 0.5M

40

M12A08ML-12AFL-SD001

M12A08ML-12AFL-SD001

LTW (Amphenol LTW)

CBL ASSY 8POS MALE TO FEMALE 1M

49

M12L-05BMMM-SR8H01

M12L-05BMMM-SR8H01

LTW (Amphenol LTW)

CBL ASSEMBLY 5POS M TO WIRE 1M

10

MSDP04MR-SDPMR-SD001

MSDP04MR-SDPMR-SD001

LTW (Amphenol LTW)

CBL ASSY 4POS MALE TO MALE 1M

20

MSAP08ML-SAPML-SDA05

MSAP08ML-SAPML-SDA05

LTW (Amphenol LTW)

CBL ASSY 8POS MALE TO MALE 0.5M

13

BD-06AMMM-QL8D01

BD-06AMMM-QL8D01

LTW (Amphenol LTW)

CBL ASSEMBLY 6POS M TO WIRE 1M

29

M12A10ML-12AFL-SD002

M12A10ML-12AFL-SD002

LTW (Amphenol LTW)

CBL ASSY 10POS MALE TO FEMALE 2M

18

M12A08ML-12AMR-SD001

M12A08ML-12AMR-SD001

LTW (Amphenol LTW)

CBL ASSY 8POS MALE TO MALE 1M

20

CBD-08AMFM-QL8F01

CBD-08AMFM-QL8F01

LTW (Amphenol LTW)

CBL FMALE TO WIRE LEAD 8P 3.28'

57

M12D04ML-12DFR-SBA05

M12D04ML-12DFR-SBA05

LTW (Amphenol LTW)

CBL ASSY 4POS MALE TO FMALE 0.5M

41

BBD-06AFMM-QL8F01

BBD-06AFMM-QL8F01

LTW (Amphenol LTW)

CBL MALE TO WIRE LEAD 6POS 3.28'

8

M12A12ML-12AFR-SBA05

M12A12ML-12AFR-SBA05

LTW (Amphenol LTW)

CBL ASSY 12POS MALE TO FML 0.5M

90

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.

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