FAKRA RF Connectors for Automotive Applications
FAKRA connectors deliver dependable 50 Ω performance in automotive and telematics applications, combining secure locking and color-coded housings for seamless vehicle integration.
Overview
Amphenol RF's FAKRA connector series delivers dependable 50 Ω performance in automotive and telematics applications, combining secure locking and color-coded housings for seamless vehicle integration. With support for up to 6 GHz in standard packages and broadcast configurations reaching 12 GHz, FAKRA connectors enable stable, interference-free signals throughout infotainment, telematics, and advanced driver assistance systems (ADAS).
Built to withstand vibration, thermal cycling, and environmental stress, FAKRA connectors maintain consistent signal integrity in harsh driving conditions. Their standardized keying and color codes simplify assembly, prevent cross-mating between systems, and support reliable service and manufacturing processes.
Features and Benefits
- Color-coded housings & keyed interfaces reduce assembly errors and ensure signal pathway separation
- Secure latch coupling provides reliable retention during vehicle operation and maintenance
- High-speed capability supports RF performance beyond 6 GHz, with broadcast-grade options up to 12 GHz
- Robust vehicle-grade design suited for vibration, temperature extremes, and repeated mating cycles
- Multiple configurations—vertical, right-angle, cable plug, and panel mount options cater to diverse installation needs
Key Technical Details
- Impedance: Nominal 50 Ω for RF applications
- Frequency Range: Standard FAKRA to 6 GHz; broadcast flexible cable assemblies support up to 12 GHz
- Coupling Style: Snap-fit latch with keying and color coding for reliable, error-free mating
- Housing Materials: High-temperature thermoplastics with sealed interfaces for moisture protection
- Cable Compatibility: Works with typical automotive RG-174, RG-316 micro-coax, and broadcast-grade cables
Applications
- Advanced driver assistance systems (ADAS)
- Smart cabin technology
- Automotive telematics
- Autonomous vehicle systems
- GPS and Navigation antennas
Browse our full FAKRA connector range of compatible FAKRA Adapters and FAKRA Cable Assemblies with a variety of key codes, plug/jack styles, and mounting arrangements. For custom cable assemblies, hybrid board-to-cable interfaces, or broadcast-grade adaptations, contact our technical team to develop the perfect solution for your application.
Specifications
FAKRA Connectors
Electrical
| Impedance | 50 Ohm |
| Frequency Range | DC - 3 GHz |
| Voltage Rating | 335 Volts RMS Continuous |
| Dielectric Withstanding Voltage | 800 VRMS Max |
| VSWR (Return Loss) | |
|
DC - 200 MHz
|
1.2 (-21 dB) Max |
|
200 - 500 MHz
|
1.35 (-16 dB) Max |
|
500 MHz - 2 GHz
|
1.4 (-15 dB) Max |
|
2 GHz - 3 GHz
|
1.5 (-14dB) Max |
|
3 - 6 GHz
|
1.6 (-13dB) Max |
| Insulation Resistance | 100 MΩ Min |
| Center Contact Resistance | 24 mΩ Max |
| Outer Contact Resistance | 5 mΩ Max (6 mΩ after Environmental Testing) |
| Contact Current (dependent on cable size) | ≤1 A DC |
| Insertion Loss | |
|
DC - 200 MHz
|
0.15 dB |
|
200 - 500 MHz
|
0.25 dB |
|
500 MHz - 2 GHz
|
0.3 dB |
|
2 - 3 GHz
|
0.3 dB |
|
3 - 6 GHz
|
0.45 dB |
| Power Handling | 95 W Max @ 1 GHz @ 25ºC |
Environmental
| Temperature Range | −40°C to +105°C |
| Thermal Shock | USCAR-2, para 5.6.1 |
| Vibration | USCAR-2, para 5.4.6 |
| Mechanical Shock | USCAR-2, para 5.4.6 |
| Temperature/Humidity Cycling | USCAR-2, para 5.6.2 |
| High Temperature Exposure | USCAR-2, para 5.6.3 |
Mechanical
| Mating Cycles | 25 Min |
| Coupling Mechanism | Push-On |
| Interface Specification | USCAR-18 |
| Engagement Force, per USCAR-25, Table 3.1 | 5.6 - 10.1 lbs (25 - 45 N) |
| Disengagement Force, per USCAR-17 5.4.2.4 | 16.9 lbs (<75N) |
Note: These characteristics are typical and may not apply to all connectors.
Connector configurations may affect performance.
Interface Dimensions
Plug
Jack
Frequently Asked Questions About FAKRA Connectors
What are FAKRA connectors used for?
FAKRA connectors are used in automotive RF applications including GPS navigation systems, telematics modules, satellite radio, infotainment systems, ADAS technologies, automotive cameras and V2X communication systems. Their color-coded and mechanically keyed design helps ensure secure and accurate installation in vehicle assemblies.
Are FAKRA connectors waterproof?
Many FAKRA connectors are available with IP67-rated sealing options that provide protection against dust and temporary immersion in water. These environmentally sealed designs are well suited for demanding automotive applications where exposure to moisture and contaminants is a concern.
Why are FAKRA connectors color-coded?
FAKRA connectors utilize color coding and mechanical keying to simplify assembly and prevent incorrect mating during manufacturing and installation. This design improves reliability, reduces installation errors and helps automotive manufacturers meet stringent quality standards.
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