VFS9VD31B223Q93J

Overview

The VFS9VD31B223Q93J is a radial leaded varistor from Murata Electronics, classified under the EMIGUARD series. It features a DC voltage rating of 12 VDC and a varistor voltage of 22 VDC. The component provides a capacitance of 0.022 uF with a tolerance of 20%. It supports a current rating of 7 A and operates within a temperature range of -40°C to +100°C. Physical dimensions are 12 mm in length and 7.5 mm in width, with a lead spacing of 2.5 mm. This part is currently obsolete.

Feature Summary

• Provides EMI/RFI suppression for data lines through low-pass filtering characteristics.
• Designed specifically for mobile device applications requiring compact protection.
• Utilizes a radial leaded package suitable for through-hole PCB mounting.

Applications

• Data line protection in mobile devices
• EMI/RFI suppression circuits
• Low-pass filtering for electronic signals

Procurement Notes

This component is officially marked as obsolete and no longer manufactured by Murata Electronics. Verification of availability should focus on finding valid substitute parts or checking for remaining stock from authorized distributors. Do not assume standard production availability. Confirm end-of-life status directly with the manufacturer before initiating procurement processes.

Selection Notes

Select this component only if legacy compatibility is required, as it is discontinued. For new designs, consider alternative varistors or filters that meet similar electrical specifications such as 12V rating and 0.022uF capacitance. Ensure the replacement supports radial mounting and compatible operating temperatures. Verify that substitute parts maintain the necessary current handling and voltage clamping requirements for the target application.

Part Context

The VFS9VD31B223Q93J belongs to the VFS9V series of varistors produced by Murata Electronics. It is categorized under EMI/RFI suppressors and ferrites. The product line targets industrial automation and process automation sectors, specifically addressing high-power module noise reduction. It serves as a specialized component for signal integrity maintenance in sensitive electronic environments.

Replacement Considerations

DSS1NB32A223Q91A is listed as a similar available substitute. Verify electrical compatibility including voltage ratings and capacitance values before substitution.

FAQ

Is the VFS9VD31B223Q93J still in production?

No, the component is officially obsolete and no longer manufactured by Murata Electronics.

What is the maximum operating temperature for this varistor?

The maximum operating temperature is +100°C.