BZX55C33 Zener Diode 33V 0.5W
The BZX55C33 is a silicon planar Zener diode designed for voltage stabilization and reference applications in electronic circuits. It operates in the reverse breakdown region to provide a controlled voltage, making it suitable for regulation, clamping, and protection circuits.
The device is part of the BZX55C family and uses an axial glass package suitable for through-hole PCB mounting. According to the supplied datasheet, the BZX55C33 has a nominal Zener voltage of 33V, with a specified voltage range of 31V to 35V at a Zener test current of 5mA. Its maximum power dissipation is 500mW.
Features:
- Silicon planar construction.
- Axial glass package.
- Through-hole mounting.
- Suitable for voltage stabilization.
- Useful for voltage reference circuits.
- Suitable for voltage clamping and protection.
- Polarized device with cathode band marking.
- Compact PCB mounting format.
Specifications
| Parameter | Specification |
|---|---|
| Part Number | BZX55C33 |
| Product Type | Zener Diode |
| Nominal Zener Voltage | 33V |
| Zener Voltage Range | 31V – 35V |
| Zener Test Current (IZT) | 5mA |
| Dynamic Resistance (ZZT) | 80Ω |
| Dynamic Resistance (ZZK) | 220Ω |
| Reverse Leakage Current at 25°C | 0.1µA max. |
| Reverse Leakage Current at 125°C | 2µA max. |
| Reverse Voltage (VR) | 24V |
| Temperature Coefficient | 0.04 – 0.12%/K |
| Power Dissipation | 0.5W (500mW) |
| Forward Voltage | 1V max. at IF = 100mA |
| Technology | Silicon Planar |
| Package | DO-35 |
| Mounting Type | Through-Hole |
| Body | Axial Glass |
| Maximum Junction Temperature | 175°C |
| Storage Temperature | -55°C to +175°C |
Applications:
- Voltage regulation
- Voltage reference circuits
- Overvoltage protection
- Voltage clamping
- Signal limiting
- Power supply protection
- Transistor and IC protection
- General-purpose electronic circuits
Packages Included:
- 1 × BZX55C33 Zener Diode 33V 0.5W.
