FFC, FPC (Flat Flexible) Connectors

Part Number	Description / PDF	Quantity
SFV12R-3STBE1HLF Storage & Server IO (Amphenol ICC)	CONN FPC BOTTOM 12POS 0.50MM R/A	5505
1-84533-1 TE Connectivity AMP Connectors	CONN FFC TOP 11POS 1.25MM R/A	0
1-84534-0 TE Connectivity AMP Connectors	CONN FFC VERT 10POS 1.25MM PCB	0
XF3M-3015-1B Omron Electronics Components	CONN FFC FPC 30POS 0.50MM R/A	0
FH12-40S-0.5SH(1)(98) Hirose	CONN FFC BOTTOM 40POS 0.50MM R/A	0
046810630001846+ KYOCERA Corporation	0.5MM PITCH - 30 POS - RT ANGLE	1352
SFW4R-1STAE1LF Storage & Server IO (Amphenol ICC)	CONN FPC BOTTOM 4POS 1.00MM R/A	3520
XF3M-4015-1B Omron Electronics Components	CONN FFC FPC 40POS 0.50MM R/A	0
AYF216135A Panasonic	CONN FPC 61POS 0.2MM SMD R/A	0
XF3M-0815-1B Omron Electronics Components	CONN FFC FPC 8POS 0.50MM R/A	6818
FH19SC-27S-0.5SH(10) Hirose	CONN FFC BOTTOM 27POS 0.50MM R/A	0
F519-1A7A1-11011-E200 Storage & Server IO (Amphenol ICC)	FLEX CONNECTOR, 1.00MM PITCH, HE	1475
65801-012LF Storage & Server IO (Amphenol ICC)	CONN FFC FPC RCPT 12POS 2.54MM	2805
FH41-68S-0.5SH(28) Hirose	CONN FFC FPC 0.5MM SMD	0
66226-012LF Storage & Server IO (Amphenol ICC)	CONN FFC HEADER 12POS 2.54MM	844
68715014022 Würth Elektronik Midcom	CONN FPC TOP 50POS 0.50MM R/A	1375
XF2M-2415-1A-R100 Omron Electronics Components	CONN FPC 24POS 0.50MM R/A	0
FH12-22S-0.5SH(1)(98) Hirose	CONN FFC BOTTOM 22POS 0.50MM R/A	0
FA5S030HP1 JAE Electronics	CONN FPC BOTTOM 30POS 0.50MM R/A	0
FH19SC-18S-0.5SH(10) Hirose	CONN FFC 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