Modular - Flat Cable

Part Number	Description / PDF	Quantity
AT-K-26-4-S/500 ASSMANN WSW Components	CABLE MOD FLAT 4COND SILVER 500'	1
AT-K-26-10-S/500 ASSMANN WSW Components	CABLE MOD FLAT 10COND SLVR 500'	0
AT-K-26-10-W/1000 ASSMANN WSW Components	CABLE MOD FLAT 10COND WHT 1000'	9481
AT-K-26-4-S/1000 ASSMANN WSW Components	CABLE MOD FLAT 4COND SLVR 1000'	10
AT-K-26-6-S/500 ASSMANN WSW Components	CABLE MOD FLAT 6COND SILVER 500'	83
AT-K-C-26-6-S/14 ASSMANN WSW Components	CABLE MOD COIL 6COND SILVER 14'	123
AT-K-C-26-6-B/7 ASSMANN WSW Components	CABLE MOD COIL 6COND BLACK 7'	200
AT-K-26-8-B/500 ASSMANN WSW Components	CABLE MOD FLAT 8COND BLACK 500'	0
AT-K-C-26-8-B/5 ASSMANN WSW Components	CABLE MOD COIL 8COND BLACK 5'	51
AT-K-C-26-8-B/14 ASSMANN WSW Components	CABLE MOD COIL 8COND BLACK 14'	0
AT-K-26-6-B/100 ASSMANN WSW Components	CABLE MOD FLAT 6COND BLACK 100'	431
AT-K-C-26-8-S/10 ASSMANN WSW Components	CABLE MOD COIL 8COND SILVER 10'	220
AT-K-S-26-6-W/7 ASSMANN WSW Components	CABLE MOD FLAT 6COND WHITE 7'	0
AT-K-S-26-8-B/14 ASSMANN WSW Components	CABLE MOD FLAT 8COND BLACK 14'	0
AT-K-S-26-4-W/25 ASSMANN WSW Components	CABLE MOD FLAT 4COND WHITE 25'	0
AT-K-S-26-6-S/14 ASSMANN WSW Components	CABLE MOD FLAT 6COND SILVER 14'	0
AT-K-S-26-4-B/14 ASSMANN WSW Components	CABLE MOD FLAT 4COND BLACK 14'	0
AT-K-S-26-8-S/14 ASSMANN WSW Components	CABLE MOD FLAT 8COND SILVER 14'	0
AT-K-S-26-6-B/25 ASSMANN WSW Components	CABLE MOD FLAT 6COND BLACK 25'	0
AT-K-S-26-8-S/7 ASSMANN WSW Components	CABLE MOD FLAT 8COND SILVER 7'	0

Modular - Flat Cable

1. Overview

Modular flat cables are flexible, multi-conductor cables with a low-profile design, enabling high-density electrical connections. Their parallel conductor arrangement within a flat dielectric substrate offers advantages in space-saving, signal integrity, and mechanical flexibility. These cables are critical in modern electronics, automotive systems, industrial automation, and telecommunications, where compactness and reliable performance are essential.

2. Main Types and Functional Classification

Type	Functional Characteristics	Application Examples
Ribbon Cable	Parallel conductors in PVC/PE insulation, low-cost mass production	Computer peripherals, internal PCB connections
FPC (Flexible Printed Circuit)	Etched copper traces on polyimide substrate, dynamic flexing capability	Smartphones, wearable devices
FFC (Flexible Flat Cable)	ZIF (Zero Insertion Force) connectors, standardized pitch sizes	LCD panels, camera modules
High-Speed Data Cable	Twisted pair configurations, controlled impedance	Industrial Ethernet, automotive infotainment

3. Structure and Composition

A typical modular flat cable consists of three primary layers:

Conductors: Annealed copper or copper alloys (e.g., C19400) with cross-sectional areas from 0.035mm to 0.5mm
Insulation: Thermoplastic polyurethane (TPU) or polyethylene terephthalate (PET) films with thickness 0.05-0.2mm
Shielding: Optional aluminum-polyester foil or braided copper mesh for EMI protection

Advanced designs incorporate adhesiveless lamination processes and laser-marked identification codes for traceability.

4. Key Technical Parameters

Parameter	Typical Range	Significance
Conductor Cross-Section	0.035-0.5mm	Determines current-carrying capacity
Working Temperature	-40 C to +125 C	Defines operational environmental limits
Bending Cycle Life	10,000-100,000 cycles	Indicates mechanical durability
Impedance Control	50-100	Ensures signal integrity in high-speed applications
Dielectric Withstanding Voltage	300-1000VAC	Specifies electrical safety margins

5. Application Fields

Primary industries utilizing modular flat cables include:

Consumer Electronics: Smartphones (camera-flex connections), laptops (display hinges)
Industrial Automation: Robotic arms (dynamic cable tracks), CNC machines
Automotive: ADAS camera systems, door module wiring harnesses
Medical Equipment: MRI scanners (rotary joint connections), portable diagnostics
Telecommunications: 5G base stations (RF interconnects), data center switches

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Features
Molex	SL Series FFC	0.5mm pitch, 30-position configurations
TE Connectivity	HDM Flat Cable	High-speed differential pairs, RoHS compliant
Amphenol	Flex Speed+	10Gbps data rate, halogen-free materials
Hitachi Cable	Ultra-Flex FPC	Dynamic bending life >50,000 cycles

7. Selection Guidelines

Key considerations for optimal cable selection:

Environmental Conditions: Operating temperature, chemical exposure, and vibration levels
Electrical Requirements: Voltage/current ratings, signal frequency, and shielding needs
Mechanical Constraints: Bending radius (minimum 5 cable thickness recommended), mating force limitations
Termination Compatibility: Connector type (ZIF, LIF) and pitch alignment precision
Cost Efficiency: Balance between material specifications and application demands

8. Industry Trends Analysis

Market forecasts indicate a CAGR of 6.2% through 2030, driven by:

Miniaturization: Sub-0.3mm pitch cables entering mass production (JEITA standards)
Material Innovation: Development of self-healing polymer insulation and graphene-reinforced conductors
Integration Trends: Embedded passive components within flat cable structures
Environmental Compliance: Transition to bio-based polymers and lead-free manufacturing
Automated Assembly: Adoption of machine-readable cable identification systems