BZM55 series is Vishay's small signal zener diodes, which features saving space, lead-free, RoHS and WEEE compliant, and very high stability and low noise.
The BZM55-Series are small‑signal Zener diodes offered by Vishay in a hermetically sealed MicroMELF package. They feature very sharp reverse characteristics, low reverse current, high stability, and are RoHS‑compliant. Typical applications include voltage stabilization and protection.
The document lists mechanical dimensions, absolute maximum ratings, thermal and electrical characteristics, and includes graphs of power dissipation, voltage change with temperature, and forward‑current curves. Packaging options and environmental policy statements are also provided.
| Power dissipation | 500 mW |
|---|---|
| Maximum junction temperature | 175 °C |
| Storage temperature range | -65 °C to +175 °C |
| Forward voltage at 200 mA | 1.5 V |
| Zener voltage (example part BZM55C2V4) | 2.28 V to 2.56 V |
The maximum power dissipation is 500 mW.
They can be stored from –65 °C up to +175 °C.
Yes, they are lead‑free and meet RoHS 2002/95/EC requirements.
The diodes are supplied in a MicroMELF case.