Flat Ribbon Cables

Part Number	Description / PDF	Quantity
HF447/20 100'SF 3M	CBL RIBN 20COND .025 GRAY 100'	0
HF365/24 300 3M	CBL RIBN 24COND 0.050 GRAY 300'	0
C3756/68 100 3M	CBL RIBN 68COND 0.025 GRAY 100'	0
3659/25 300 3M	CBL RIBN 25COND 0.050 BLACK 300'	0
HF625/12SF-100M 3M	CBL RIBN 12COND 0.039 GRAY 100M	0
3834/10 3M	CBL RIBN 10COND 0.050 BLACK 275'	8
3517/9 100 3M	CBL RIBN 9COND 0.050 GRAY 100'	0
AWG28-14/G/300 ASSMANN WSW Components	CBL RIBN 14COND 0.050 GRAY 300'	126
3447/50 300 3M	CBL RIBN 50COND 0.025 GRAY 300'	0
C3365/20 300 3M	CBL RIBN 20COND 0.050 GRAY 300'	0
3365/34 500 3M	CBL RIBN 34COND 0.050 GRAY 500'	0
HF447/80 300' 3M	CBL RIBN 80COND .025 GRAY 300'	0
3580/40 SL005 Alpha Wire	CBL RIBN 40COND 0.050 GRAY 100'	12
304-28-10-MC-0250F CnC Tech	FLAT RBN CBL MULTI 10 COND 250'	10
3667/50 100 3M	CBL RIBN 50COND 0.050 GRAY 100'	0
3754/40 300 3M	CBL RIBN 40COND 0.025 GRAY 300'	27
9L28010 008H100 Belden	CBL RIBN 10COND .050 GRAY 100'	268100
8125/04 100 3M	CBL RIBN 4COND 0.100 GRAY 100'	225
3801/04 3M	CBL RIBN 4COND 0.050 GRAY 300'	50
C3625/40 30M 3M	CABLE GND PLN 30M	2

Flat Ribbon Cables

1. Overview

Flat ribbon cables are parallel-wire cables with conductors arranged in a flat, planar configuration. They provide high-density connectivity for electronic devices, offering advantages in space-saving, signal integrity, and ease of assembly. Widely used in computers, telecommunications, and industrial equipment, these cables are critical for transmitting power and high-speed signals in compact systems.

2. Main Types and Functional Classification

Type	Functional Features	Application Examples
Single-layer Flat Cable	Unshielded, low-cost, flexible	Internal PC connections (e.g., floppy drives)
Double-layer Twisted Pair	Improved noise immunity via twisted pairs	Industrial sensors and control systems
Shielded Flat Cable	Aluminum foil or braid shielding for EMI protection	Medical imaging equipment
Flexible Flat Cable (FFC)	Ultra-thin polyimide insulation for dynamic flexing	Laptop display hinges, robotics

3. Structure and Composition

A typical flat ribbon cable consists of: - Conductors: Annealed copper or tin-plated copper (0.03 5.0 mm ) - Insulation: PVC, polyester, or polyimide films (thickness 0.05 0.5 mm) - Shielding: Optional aluminum/polyester tape or braided copper - Outer Jacket: Flame-retardant PVC or TPE for mechanical protection

4. Key Technical Specifications

Parameter	Typical Range	Importance
Conductor Count	4 100 conductors	Determines signal routing capacity
Pitch Size	0.5 2.54 mm	Affects miniaturization potential
Insulation Resistance	100 M km min	Ensures signal integrity
Operating Temp	-40 C to +105 C	Environmental durability
Bending Life	10,000 100,000 cycles	Critical for dynamic applications

5. Application Fields

Consumer Electronics: Smartphones, laptops, printers
Industrial Automation: PLCs, CNC machines
Medical Devices: MRI scanners, patient monitors
Automotive: Dashboard sensors, infotainment systems

6. Leading Manufacturers and Products

Manufacturer	Key Products	Specialization
TE Connectivity	FFC-0.5 Series	High-speed data transmission
Molex	Micro-Spring ZIF Cables	Zero insertion force connectors
JAE Electronics	DF12 Series	Aerospace-grade shielding
Fujikura	FPC-0805 Series	Flexible printed circuits

7. Selection Guidelines

Key considerations include: conductor count (match I/O requirements), pitch size (board space limitations), shielding (EMI-sensitive environments), bending radius (flexible applications), and compliance with standards (RoHS, UL 2651 for FFCs). For example, high-frequency applications require 100% shielded cables with controlled impedance.

8. Industry Trends

Future developments focus on: - Miniaturization: 0.3 mm pitch cables for wearable devices - High-speed signaling: Differential pairs for USB4/Thunderbolt 4 compliance - Environmental sustainability: Halogen-free insulation materials - Integrated smart cables: Embedded passive components for IoT systems