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FFC, FPC (Flat Flexible) Connectors

Image Part Number Description / PDF Quantity Rfq
0039532064

0039532064

Woodhead - Molex

CONN FFC FPC TOP 6POS 1.25MM R/A

4314
0522712479

0522712479

Woodhead - Molex

CONN FPC BOTTOM 24POS 1.00MM R/A

7634
0541323433

0541323433

Woodhead - Molex

CONN FFC BOTTOM 34POS 0.50MM R/A

3539
5025982393

5025982393

Woodhead - Molex

CONN FPC 23POS 0.30MM R/A

6439
0525593353

0525593353

Woodhead - Molex

CONN FFC VERT 33POS 0.50MM SMD

3972
0520301129

0520301129

Woodhead - Molex

CONN FPC VERT 11POS 1.00MM PCB

6977
0522712269

0522712269

Woodhead - Molex

CONN FPC BOTTOM 22POS 1.00MM R/A

1463
0528060510

0528060510

Woodhead - Molex

CONN FPC VERT 5POS 1.00MM PCB

8173
0015388020

0015388020

Woodhead - Molex

CONN CIC FFC RCPT 2POS

295
0528061510

0528061510

Woodhead - Molex

CONN FPC VERT 15POS 1.00MM PCB

12082
0545500771

0545500771

Woodhead - Molex

CONN FFC FPC TOP 7POS 0.50MM R/A

7717
0545482471

0545482471

Woodhead - Molex

CONN FFC BOTTOM 24POS 0.50MM R/A

500
0039532045

0039532045

Woodhead - Molex

CONN FFC VERT 4POS 1.25MM PCB

3844
0039532184

0039532184

Woodhead - Molex

CONN FFC TOP 18POS 1.25MM R/A

1528
0545501971

0545501971

Woodhead - Molex

CONN FFC TOP 19POS 0.50MM R/A

1169
5025982593

5025982593

Woodhead - Molex

CONN FPC 25POS 0.30MM R/A

13050
0525590652

0525590652

Woodhead - Molex

CONN FFC VERT 6POS 0.50MM SMD

0
0781271288

0781271288

Woodhead - Molex

CONN FFC VERT 28POS 0.50MM SMD

14
0524352871

0524352871

Woodhead - Molex

CONN FFC TOP 28POS 0.50MM R/A

485
5052781033

5052781033

Woodhead - Molex

0.5 FFC ZIF BTM CONT EMBT PKG 10

16211

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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