FFC, FPC (Flat Flexible) Connectors

Part Number	Description / PDF	Quantity
XF3M130151BR100 Omron Electronics Components	CONN FFC FPC 30POS 1.00MM R/A	0
0545481871 Woodhead - Molex	CONN FFC BOTTOM 18POS 0.50MM R/A	3114
FH35C-19S-0.3SHW(50) Hirose	CONN FPC 19POS 0.30MM R/A	0
FH43B-51S-0.2SHW(99) Hirose	CONN FPC BOTTOM 51POS 0.20MM R/A	570
686106148922 Würth Elektronik Midcom	CONN 1MM HORZ BOTTOM SMD 6POS	1993
FH64MA-19S-0.25SHW(99) Hirose	CONN FPC 0.25MM SMD R/A 19POS	182
046244420010846+ KYOCERA Corporation	0.5MM PITCH - 20 POS - VERTICAL	4309
487576-1 TE Connectivity AMP Connectors	CONN FFC VERT 9POS 1.27MM PCB	0
2-84981-2 TE Connectivity AMP Connectors	CONN FFC FPC TOP 22POS 1MM R/A	5900
FH43B-25S-0.2SHW(99) Hirose	CONN FPC BOTTOM 25POS 0.20MM R/A	570
5-1775333-5 TE Connectivity AMP Connectors	CONN FPC BOTTOM 55POS 0.50MM R/A	0
FH33-9S-0.5SH(99) Hirose	CONN FFC BOTTOM 9POS 0.50MM R/A	0
FH26W-39S-0.3SHW(60) Hirose	CONN FPC/FFC 39POS .3MM	0
5052780633 Woodhead - Molex	0.5 FFC ZIF BTM CONT EMBT PKG 6C	3686
0545502671 Woodhead - Molex	CONN FFC TOP 26POS 0.50MM R/A	6107
FH39J-51S-0.3SHW(99) Hirose	CONN FPC 51POS 0.30MM R/A	0
SLW15R-1C7LF Storage & Server IO (Amphenol ICC)	CONN FFC BOTTOM 15POS 1.00MM R/A	0
686130188622 Würth Elektronik Midcom	WR-FPC_1.00 MM SMT HORIZONTAL LI	2986
FH12-20S-0.5SH(55) Hirose	CONN FFC BOTTOM 20POS 0.50MM R/A	8358
1-1775333-8 TE Connectivity AMP Connectors	CONN FPC BOTTOM 18POS 0.50MM R/A	0

FFC, FPC (Flat Flexible) Connectors

1. Overview

Flat Flexible Connectors (FFC/FPC) are compact, lightweight solutions for connecting electronic circuits. FFC (Flexible Flat Cable) refers to pre-formed ribbon cables with conductive traces, while FPC (Flexible Printed Circuit) are custom-designed circuits on flexible substrates. These connectors enable high-density interconnections in space-constrained applications, playing critical roles in modern electronics for their bendability, vibration resistance, and miniaturization capabilities.

2. Major Types & Function Classification

Type	Functional Features	Application Examples
ZIF (Zero Insertion Force)	Self-aligning contacts with minimal mating force	Smartphone displays, medical imaging devices
LIF (Low Insertion Force)	Economical solution with moderate insertion force	Consumer electronics, industrial sensors
Wrap-style FPC	360 bending capability with exposed contacts	Automotive infotainment systems
Stiffener-reinforced FFC	Localized rigidity for component mounting	Aerospace control panels

3. Structure & Composition

Typical construction includes:

Conductor Layer: Annealed copper (0.035-0.1mm thickness) with nickel/gold plating
Dielectric Layer: Polyimide film (0.05-0.25mm) or PVC insulation
Contact Interface: Phosphor bronze or beryllium copper terminals
Reinforcement: Steel/aluminum stiffeners in specific zones

Termination methods include press-fit, soldering, and anisotropic conductive film (ACF) bonding.

4. Key Technical Parameters

Parameter	Importance	Typical Range
Contact Resistance	Signal integrity maintenance	10-50m
Current Rating	Power transmission capability	0.5-3A per pin
Operating Temperature	Environmental reliability	-40 C to +105 C
Flex Life	Durability in dynamic applications	10,000-200,000 cycles
Pitch Size	Miniaturization factor	0.3mm-1.27mm

5. Application Fields

Consumer Electronics: Smartphones (camera modules), laptops (HDD connections)
Automotive: Dashboard clusters, ADAS sensors, infotainment systems
Medical: Portable monitors, imaging equipment (MRI connectors)
Industrial: Robotics (arm joint connections), measurement instruments

6. Leading Manufacturers

Manufacturer	Representative Products	Key Features
TE Connectivity	Micro Speed FFC	0.5mm pitch, 30G durability
Molex	PicoBlade FPC	Space-saving LIF design
JAE Electronics	DF12 Series	High-speed transmission up to 10Gbps
Hirose Electric	FH34 Series	Self-mating connector system

7. Selection Guidelines

Key considerations:

Circuit density requirements (pitch size vs. pin count)
Mechanical stress analysis (bend radius, flex cycles)
Thermal management needs (current load vs. conductor thickness)
Environmental sealing requirements (IP rating)
Cost vs. performance trade-offs (material choices)

Real-case Example: Smartphone camera module requires 0.3mm pitch FPC with 200 m bend radius and 100,000 flex life rating.

8. Industry Trends

Emerging developments include:

Sub-0.3mm pitch connectors for 5G mobile devices
Integrated EMI shielding in FPC structures
High-temperature resistant materials (up to 150 C)
3D-shaped FPCs for automotive LiDAR systems
Smart connectors with embedded sensing capabilities