HJR-78F-12VDC

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HJR-78F 20A automotive relay with 12V DC coil for vehicle applications

Product Overview

Description

The HJR-78F is a 20A automotive relay designed for vehicle electronics applications. It features robust construction and meets automotive quality requirements for reliable operation in harsh vehicle environments.

With 20A switching capacity and 12V DC coil, this relay is ideal for automotive lighting, motor control, and power distribution applications. The compact size makes it suitable for space-constrained vehicle installations.

The relay conforms to RoHS and ELV directives and is designed for long-term reliability in automotive applications.

Product Series

HJR

Primary Application

Vehicle lighting

Key Features

  • 20A switching capacity
  • Automotive grade
  • Compact size
  • High vibration resistance
  • RoHS compliant
  • Long life

Specifications

Contact Rating 20A 14VDC
Contact Arrangement 1 Form A (SPST-NO)
Coil Voltage 12V DC
Coil Power 1.2W
Contact Material Silver Alloy
Operate Time 10ms max
Release Time 5ms max
Temperature Range -40°C to +125°C
Vibration Resistance 10G

Applications

Vehicle lighting

Automotive and EV electronics

Motor control

Motor drive and control systems

Power distribution

Electronic system design

Engine control

Industrial automation and control

HVAC systems

Electronic system design

Documents & Resources

FAE Expert Insights

M

"The HJR-78F is a reliable automotive relay that I've specified for numerous vehicle electronics projects. The 20A rating handles most automotive loads, and the compact design fits well in tight vehicle compartments. The relay's robustness in harsh automotive environments is impressive."

Reliable 20A automotive relay

— Michael Chen, BeiLuo

Frequently Asked Questions

What are the key specifications and parameters of HJR-78F-12VDC?

The HJR-78F-12VDC is a high-quality Automotive Relays from Tianbo Electronics. Key specifications include. This relay is designed for reliable switching operation in demanding electronic systems with excellent electrical characteristics, comprehensive safety certifications, and wide operating temperature range. Please refer to the datasheet for complete specifications.

Review the datasheet for complete specifications. Contact BeiLuo FAE for application-specific recommendations.

specifications parameters HJR-78F-12VDC technical data Tianbo
How do I select and use HJR-78F-12VDC in my design?

For proper selection and usage of HJR-78F-12VDC: (1) Determine your circuit requirements including switching voltage, current, and contact arrangement. (2) Select appropriate coil voltage. (3) Consider PCB layout guidelines. (4) Evaluate the relay in your actual application. (5) Contact BeiLuo FAE for detailed application guidance.

Use our selection guide or contact FAE for application-specific recommendations.

selection usage design guide application
How does HJR-78F-12VDC compare to competitive solutions?

The HJR-78F-12VDC offers competitive advantages including cost-effective pricing, reliable performance, and excellent availability. Tianbo products provide comparable electrical performance at competitive price points with comprehensive safety certifications.

Evaluate based on your specific requirements. Request samples for direct comparison.

comparison competitive analysis
What are the typical applications for HJR-78F-12VDC?

The HJR-78F-12VDC is designed for Automotive Relays applications across multiple industries. Typical applications include power switching, motor control, and automation systems.

Ideal for Automotive Relays applications. Verify specifications match your requirements.

applications use cases Automotive Relays
What is the lead time, MOQ, pricing, and availability for HJR-78F-12VDC?

For HJR-78F-12VDC: (1) Standard lead time is 4-8 weeks. (2) BeiLuo maintains strategic inventory. (3) MOQ is typically 1,000 pieces. (4) Sample quantities available. (5) Volume pricing available. contact BeiLuo sales for current status.

Contact sales for current lead times and availability.

lead time MOQ pricing availability