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FFC, FPC (Flat Flexible) Connectors

Image Part Number Description / PDF Quantity Rfq
0528080470

0528080470

Woodhead - Molex

CONN FPC VERT 4POS 1.00MM SMD

6104
0528920895

0528920895

Woodhead - Molex

CONN FFC BOTTOM 8POS 0.50MM R/A

1245
0525592052

0525592052

Woodhead - Molex

CONN FFC VERT 20POS 0.50MM SMD

3092
5019122190

5019122190

Woodhead - Molex

CONN FPC BOTTOM 21POS 0.30MM R/A

18520
5035662300

5035662300

Woodhead - Molex

CONN FPC BOTTOM 23POS 0.30MM R/A

2555
0522711179

0522711179

Woodhead - Molex

CONN FPC BOTTOM 11POS 1.00MM R/A

1853
0522071033

0522071033

Woodhead - Molex

CONN FFC FPC TOP 10POS 1MM R/A

0
0541045031

0541045031

Woodhead - Molex

CONN FFC TOP 50POS 0.50MM R/A

6864
0528522070

0528522070

Woodhead - Molex

CONN FFC BOTTOM 20POS 1.00MM R/A

5739
5027904091

5027904091

Woodhead - Molex

CONN FPC BOTTOM 40POS 0.50MM R/A

1673
0520450645

0520450645

Woodhead - Molex

CONN FFC VERT 6POS 1.25MM PCB

2
0526100572

0526100572

Woodhead - Molex

CONN FPC VERT 5POS 1.00MM SMD

4741
0039532034

0039532034

Woodhead - Molex

CONN FFC FPC TOP 3POS 1.25MM R/A

6458
0527930670

0527930670

Woodhead - Molex

CONN FPC TOP 6POS 1.00MM R/A

541072000
0525593052

0525593052

Woodhead - Molex

CONN FFC VERT 30POS 0.50MM SMD

490024000
0527451597

0527451597

Woodhead - Molex

CONN FFC TOP 15POS 0.50MM R/A

5718
2005290070

2005290070

Woodhead - Molex

1.0 FPC ZIF BTM CONT EMBT PKG 7C

2397
0545502071

0545502071

Woodhead - Molex

CONN FFC TOP 20POS 0.50MM R/A

9602
0039532065

0039532065

Woodhead - Molex

CONN FFC VERT 6POS 1.25MM PCB

0
0528080770

0528080770

Woodhead - Molex

CONN FPC VERT 7POS 1.00MM SMD

263

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

TypeFunctional FeaturesApplication Examples
ZIF (Zero Insertion Force)Self-aligning contacts with minimal mating forceSmartphone displays, medical imaging devices
LIF (Low Insertion Force)Economical solution with moderate insertion forceConsumer electronics, industrial sensors
Wrap-style FPC360 bending capability with exposed contactsAutomotive infotainment systems
Stiffener-reinforced FFCLocalized rigidity for component mountingAerospace 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

ParameterImportanceTypical Range
Contact ResistanceSignal integrity maintenance10-50m
Current RatingPower transmission capability0.5-3A per pin
Operating TemperatureEnvironmental reliability-40 C to +105 C
Flex LifeDurability in dynamic applications10,000-200,000 cycles
Pitch SizeMiniaturization factor0.3mm-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

ManufacturerRepresentative ProductsKey Features
TE ConnectivityMicro Speed FFC0.5mm pitch, 30G durability
MolexPicoBlade FPCSpace-saving LIF design
JAE ElectronicsDF12 SeriesHigh-speed transmission up to 10Gbps
Hirose ElectricFH34 SeriesSelf-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
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