BZY55B5V1

Single Zener Diodes Overview

The BZY55B5V1 is a surface mount Zener diode manufactured by Taiwan Semiconductor Corporation, designed for voltage regulation and reference applications. It operates within the BZY55B2V4 to BZY55B36 series, offering a nominal Zener voltage of 5.1 V with a tight tolerance of ±2%. The device features a ceramic 0805 package, providing a power dissipation capacity of 500 mW at 25°C. Key electrical parameters include a test current of 5 mA, a maximum reverse leakage current of 0.1 µA at 1.0 V, and a junction temperature range from -55°C to +150°C.

Single Zener Diodes Feature Summary

• Utilizes a ceramic 0805 case design for robust surface mounting
• Provides high-precision voltage regulation with ±2% Zener voltage tolerance
• Complies with RoHS standards and meets JESD 201 class 1A whisker testing requirements

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 code suffix (e.g., RBG) to confirm packaging quantity and reel specifications. Ensure the selected component matches the required voltage marking code. Confirm compliance with moisture sensitivity level 1 per J-STD-020 before assembly. Cross-reference the datasheet version D2301 for accurate thermal and electrical limits during integration.

Single Zener Diodes Selection Notes

Select this component when precise voltage clamping is required in space-constrained designs. The ceramic construction supports high-temperature soldering processes up to 260°C. Consider the low leakage current characteristics for sensitive reference circuits. Verify that the operating ambient temperature remains within the specified junction limits to maintain performance stability.

Single Zener Diodes Part Context

This part belongs to the BZY55B series of small signal Zener diodes produced by Taiwan Semiconductor. The series spans a wide voltage range from 2.4V to 36V, all sharing the same 0805 ceramic footprint. These devices are engineered for automated assembly processes, offering consistent electrical characteristics across the entire voltage lineup while maintaining a compact physical profile.

Single Zener Diodes Replacement Considerations

Direct substitutes must match the 5.1V nominal voltage, ±2% tolerance, and 0805 ceramic package dimensions. Verify equivalent power dissipation ratings and thermal resistance values. Ensure replacement parts also meet RoHS compliance and possess similar leakage current specifications to maintain circuit integrity.