Vishay BZM55B Data Handbook / Specifications / User Guide
Summary
This technical manual provides comprehensive electrical characteristics and performance data for BZM55B Z-Diodes. It details essential parameters such as voltage regulation curves, forward/reverse voltages ($V_F$, $V_R$), power dissipation limits, and temperature coefficients across various operational ranges. This resource is designed for electronics engineers and component designers who require highly stable voltage references or protective clamping circuits, ensuring reliable circuit performance under diverse environmental conditions.
Page 1 Text Content
查询BZM55B供应商
BZM55B... Vishay Telefunken
Silicon Epitaxial Planar Z–Diodes
Features Saving space Hermetic sealed parts Fits onto SOD 323 / SOT 23 footprints Electrical data identical with the devices BZT55B... / TZMB... Very sharp reverse characteristic
Low reverse current level Very high stability Low noise Available with tighter tolerances VZ–tolerance ± 2%
Applications Voltage stabilization
Absolute Maximum Ratings Tj = 25C
Parameter Test Conditions Type Symbol Value Unit
Power dissipation Rth JA300K/W PV m W Z–current IZ PV/VZ m A Junction temperature Tj Storage temperature range Tstg –65...+175
Maximum Thermal Resistance Tj = 25C Parameter Test Conditions Symbol Value Unit Junction ambient mounted on epoxy–glass hard tissue, Fig. 1 Rth JA K/W Junction tie point 35m copper clad, 0.9 mm2 copper area per electrode Rth JL K/W
Electrical Characteristics Tj = 25C Parameter Test Conditions Type Symbol Min Typ Max Unit Forward voltage IF=200m A VF 1.5
www.vishay.de • Fax Back +1-408-970-5600Document Number 85597
Rev. 3, 01-Apr-99 1 (6)
Page Summary Contents For Vishay BZM55B Data Handbook / Specifications / User Guide
Manual Details
| Brand | Vishay |
|---|---|
| Pages | 6 |
| File Size | 60.34 KB |
| Published | May 30, 2026 |
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Frequently Asked Questions
What footprint types are compatible with this Z-diode?
It fits onto both SOD 323 and SOT 23 footprints.
What is the certified environmental status regarding ODSs?
Vishay certifies that the semiconductors do not contain ozone depleting substances (ODSs).
How stable are the electrical characteristics of the BZM55B?
It features a very sharp reverse characteristic, low reverse current level, and high stability.
What is the allowable storage temperature range for operation?
The storage temperature range (Tstg) is from -65°C to +175°C.
Is validation necessary before using this component in a custom circuit?
Yes, all operating parameters must be validated by the customer for each specific application.