• VN02H Pentawatt-5
VN02H Pentawatt-5


Pentawatt's high current capacity makes it ideal for powering devices


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Overview of VN02H

The VN02H is a high-side smart power solid state relay that offers a compact and efficient solution for controlling high current loads in various electronic applications. It is designed to switch loads up to 36V and 2.1A, making it suitable for automotive, industrial, and consumer electronics.


(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • IN: Input Control Pin
  • OUT: Output Pin
  • GND: Ground Connection
  • VCC: Power Supply Pin
  • VS: Load Voltage Pin
  • OC: Overcurrent Protection Pin
  • EN: Enable Pin

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the VN02H solid state relay for a visual representation.

Key Features

  • High-Side Switching: The VN02H is capable of high-side switching, allowing control of positive supply voltages.
  • Low RDS(on): With low on-resistance, this solid state relay minimizes power dissipation and voltage drops.
  • Overcurrent Protection: Features overcurrent protection to safeguard the relay and connected components from excessive current.
  • Integrated Thermal Shutdown: Includes integrated thermal shutdown to prevent overheating under high load conditions.
  • Compact Package: Housed in a compact and thermally efficient package for space-constrained applications.

Note: For detailed technical specifications, please refer to the VN02H datasheet.


  • Automotive Electronics: Ideal for use in automotive systems for controlling various loads such as lights, motors, and heaters.
  • Industrial Control: Suitable for industrial control applications requiring reliable high-side switching capabilities.
  • Consumer Electronics: Can be integrated into consumer electronic devices for efficient load control.


The VN02H solid state relay provides a versatile and reliable solution for high-side switching applications, offering efficient control of loads with enhanced protection features.

Usage Guide

  • Input Control: Apply a logic high signal to the IN pin to activate the relay and a low signal to deactivate it.
  • Power Connections: Connect the VCC pin to the power supply and the load to be controlled to the VS pin.
  • Overcurrent Protection: Monitor the OC pin for overcurrent events and take appropriate action to prevent damage.

Frequently Asked Questions

Q: What is the maximum load current supported by the VN02H?
A: The VN02H can handle load currents up to 2.1A, making it suitable for a variety of applications within this range.

Q: How does the overcurrent protection feature work in the VN02H?
A: The overcurrent protection in the VN02H monitors the current flow and triggers a shutdown mechanism if the current exceeds a predefined threshold, protecting the relay and connected components.


For similar functionalities, consider these alternatives to the VN02H:

  • VN05H: A higher current rated version of the VN02H for applications requiring greater load handling capacity.
  • VN10K: This solid state relay offers similar features to the VN02H with enhanced current and voltage ratings for demanding applications.


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category Power Switch ICs - Power Distribution RoHS N
Number of Outputs 1 Output Output Current 6 A
On Resistance - Max 350 mOhms Operating Supply Voltage 5 V to 36 V
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 150 C
Mounting Style Through Hole Package / Case Pentawatt-5
Series VN02H Brand STMicroelectronics
Pd - Power Dissipation 28 W Product Type Power Switch ICs - Power Distribution
Factory Pack Quantity 50 Subcategory Switch ICs
Supply Voltage - Max 36 V Supply Voltage - Min 5 V

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