BZV55B22

Single Zener Diodes Overview

The BZV55B22 is a surface mount Zener diode manufactured by Taiwan Semiconductor Corporation. It operates within the BZV55B series, providing a nominal Zener voltage of 22 V with a tolerance of ±2%. The device dissipates up to 500 mW and features a Mini-MELF (MMELF) package conforming to JEDEC DO-213AA standards. Electrical characteristics include a test current of 5 mA, a maximum regular impedance of 55 Ω, and a knee impedance of 220 Ω at 1.0 mA. It supports junction temperatures from -65 °C to +175 °C.

Single Zener Diodes Feature Summary

• Hermetically sealed glass construction for parameter stability
• Wide selection of Zener voltages ranging from 2.4V to 75V
• Matte tin plated leads ensuring solderability per J-STD-002

Single Zener Diodes Applications

• Low voltage stabilizers or voltage references
• Adapters
• Lighting applications
• On-board DC/DC converters

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm packaging details. Confirm RoHS compliance status and moisture sensitivity level requirements prior to integration into production lines. Ensure the selected variant matches the required Mini-MELF footprint dimensions.

Single Zener Diodes Selection Notes

Select this component when a precise 22 V reference is required in a compact surface mount form factor. The ±2% tolerance suits applications demanding tight voltage regulation. Evaluate thermal resistance and power dissipation limits relative to ambient operating conditions to ensure reliability within the specified temperature range.

Single Zener Diodes Part Context

This part belongs to the BZV55B series of small signal Zener diodes designed for surface mount technology. The series utilizes a hermetically sealed glass passivation process to protect against junction contamination. It serves as a high-reliability alternative to through-hole equivalents in modern electronic assemblies requiring space efficiency.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering Mini-MELF packaged Zener diodes rated at 22 V with similar power dissipation capabilities. Verify that substitute components match the electrical parameters, specifically impedance and leakage current specifications, to maintain circuit performance.