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Automotive

AEC-Q200 Qualified RF, EMI, High Voltage & Custom Automotive Components

Johanson Technology and Johanson Dielectrics provide AEC-Q200 qualified passive components for automotive OEMs, Tier 1 suppliers, and automotive electronics manufacturers developing electric vehicles (EVs), hybrid electric vehicles (HEVs), autonomous driving systems, advanced driver assistance systems (ADAS), telematics, infotainment, radar, and vehicle connectivity platforms.

Our automotive portfolio includes:

  • High-Q RF capacitors
  • High voltage ceramic capacitors
  • EMI suppression filters
  • Integrated passive components (IPCs)
  • Ceramic RF filters
  • Automotive antennas
  • Custom engineered passive solutions

With North American manufacturing, engineering support, and decades of experience serving high-reliability markets, Johanson helps automotive designers improve RF performance, reduce EMI, increase system reliability, and accelerate product development.

Johanson Technology automotive applications banner showing ADAS/radar, EV/powertrain and connectivity icons, highlighting AEC-Q200 qualified passive components, RF, EMI and high-voltage solutions, and design support for automotive electronics

Why Automotive Engineers Choose Johanson

Automotive electronics require components that can withstand temperature extremes, vibration, electrical stress, and long product lifecycles.

Johanson Technology and Johanson Dielectrics support automotive applications with:

  • AEC-Q200 qualified components
  • Automotive-grade manufacturing
  • High-reliability ceramic technologies
  • North American engineering support
  • Custom component development
  • Long-term product availability
  • RF simulation and design assistance

Automotive Applications

Johanson components are designed into:

EV Powertrain Systems

  • Battery management systems (BMS)
  • On-board chargers
  • DC-DC converters
  • Inverters
  • Regenerative braking systems

ADAS & Autonomous Driving

  • Automotive radar
  • Vehicle-to-everything (V2X)
  • Sensor fusion modules
  • Camera systems
  • LiDAR platforms

Connected Vehicle Systems

  • Wi-Fi®
  • Bluetooth®
  • UWB
  • GPS/GNSS
  • Telematics modules

Automotive Electronics

  • Tire pressure monitoring systems (TPMS)
  • Keyless entry systems
  • Infotainment systems
  • Body electronics
  • Vehicle networking

Automotive RF Capacitors

AEC-Q200 High-Q Capacitors for Automotive Radar, GPS, Wi-Fi and Wireless Systems

Johanson High-Q capacitors provide low loss and stable RF performance in high-frequency automotive applications.

Benefits
  • Low ESR and low insertion loss
  • Excellent lot-to-lot consistency
  • High frequency performance
  • S-parameter models available
  • Sizes from 0201 to 3838
Common Automotive Applications
  • 77 GHz automotive radar
  • GPS modules
  • Wi-Fi connectivity
  • Bluetooth systems
  • Wireless charging
  • V2X communication

Related Product: High-Q RF Capacitors


Automotive High Voltage Ceramic Capacitors

High Voltage Capacitors for EV Power Electronics

Johanson Dielectrics manufactures high voltage ceramic capacitors used in electric vehicle power conversion and high-energy automotive systems.

Available Voltage Ratings
  • 500V
  • 1kV
  • 2kV
  • 3kV
  • 4kV
  • 6kV
Applications
  • EV inverters
  • Battery management systems
  • On-board charging systems
  • DC-DC converters
  • Electric power steering
  • Start-stop systems
Features
  • High reliability ceramic dielectrics
  • Safety capacitor options available
  • Soft PolyTerm® termination options
  • Reduced board stress and cracking

Related Product: High Voltage Ceramic Capacitors


Automotive EMI Filters

EMI Suppression Components for Automotive Electronics

Johanson Technology X2Y® EMI Filters help reduce common-mode and differential-mode noise generated by motors, switching electronics, and vehicle subsystems.

Benefits
  • Single-chip EMI solution
  • Excellent noise attenuation
  • Space-saving PCB footprint
  • Improved signal integrity
Automotive Applications
  • Power seat motors
  • Window motors
  • Trunk motors
  • Fuel pumps
  • Wiper motors
  • Engine control systems
  • Automotive sensors

Related Product: X2Y® EMI Filters


Automotive Antennas

Ceramic Chip Antennas for Connected Vehicle Systems

Johanson automotive ceramic chip antennas support wireless connectivity applications throughout modern vehicles.

Applications
  • Bluetooth
  • Wi-Fi
  • Wireless BMS
  • Remote keyless entry
  • Tire pressure monitoring systems
  • V2X communications
Features
  • Compact footprint
  • Performance near metal structures
  • Automotive tuning support
  • Custom antenna optimization services
New Product Capability

Directional RHCP antennas for V2X and advanced vehicle communication systems.

Related Product: Antennas


Automotive Integrated Passive Components (IPCs)

RF Integration Solutions for Connected Vehicle Electronics

Johanson's IPCs integrate multiple RF functions into compact solutions that help reduce board space and simplify automotive designs.

Frequency Coverage

300 MHz to 30 GHz

Product Types
  • Baluns
  • Couplers
  • Filters
  • Diplexers
  • Triplexers
Automotive Applications
  • Telematics modules
  • Wireless connectivity systems
  • TPMS modules
  • Automotive IoT devices
  • Connected vehicle platforms

Related Product: Integrated Passive Components


Custom Automotive Component Development

Engineered Solutions for Challenging Automotive Designs

When standard components cannot meet performance requirements, Johanson Technology and Johanson Dielectrics work directly with automotive engineering teams to develop custom solutions.

Custom development capabilities include:

  • RF optimization
  • Antenna tuning
  • EMI mitigation
  • High-voltage capacitor design
  • Mechanical form-factor customization
  • Application-specific ceramic technologies

What automotive components does Johanson Technology/Johanson Dielectrics manufacture?

Johanson Technology manufactures automotive RF capacitors, EMI filters, antennas, integrated passive components, and ceramic filters used in ADAS, radar, connectivity, infotainment, telematics, and EV systems.

Does Johanson offer AEC-Q200 qualified components?

Yes. Johanson offers AEC-Q200 qualified passive components for automotive OEM and Tier 1 applications. Contact Johanson Applications Engineers for component selection and technical support at RF Technical Support & Product Inquiries | Johanson Technology.

What high-voltage capacitors are available for EV applications?

Johanson Dielectrics offers high-voltage ceramic capacitors from 500V to 6kV for inverters, battery management systems, chargers, and power conversion systems.

Does Johanson support automotive radar applications?

Yes. Johanson supplies RF capacitors, filters, and passive components used in automotive radar and advanced wireless communication systems.

Can Johanson develop custom automotive components?

Yes. Johanson Technology and Johanson Dielectrics provide custom RF, EMI, antenna, and capacitor solutions for automotive applications.