BZX84-C33

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BZX84-C33

+Nomenclature

BZX84 SERIES - VOLTAGE REGULATOR

  • FabricantNexperia USA Inc.

  • Pièce fabricant #BZX84-C33

  • Fiche technique BZX84-C33 DataSheet

  • En stock5859

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Présentation

Description

BZX84-C33 is a 33 V Zener diode from the BZX84 family. It’s a small surface‑mount device used to clamp or regulate voltages in low‑power circuits. In reverse bias, it breaks down near 33 V, allowing it to maintain a roughly constant voltage across itself when driven by a Zener current. Typical power handling is around 0.5 W, so it’s suitable for simple regulation, reference, or transient protection in compact circuits. The cathode is the end connected to the higher potential. Tolerances, packaging, and exact electrical specs vary by vendor, so consult the datasheet for parameters such as Izt (Zener current), Vz tolerance, Pmax, and leakage at your operating temperature.

Equivalent

Equivalents (33 V Zener, SOT-23 or similar packaging):
- BZX84-C33 variants from other vendors (same device)
- MM BZ5233B / MMBZ5233B (Diodes Inc) – 33 V Zener in SOT-23
- BZT52C33 (33 V Zener in SOD-123)
- BZV55-C33 (33 V Zener in DO-35 axial)
Note: packaging and tolerance may differ; check datasheets for exact specs.

Features

Concise features of BZX84-C33 (3.3V Zener diode):
- Nominal Zener voltage: 3.3 V (C-series tolerance typically ±5%).
- Power rating: 0.5 W (PD).
- Package: SOT-23, small surface-mount, two-terminal device.
- Temperature range: roughly −55 °C to +150 °C.
- Low reverse leakage and good voltage regulation stability.
- RoHS/compliant (lead-free).
- Common uses: voltage regulation/reference, clamping/protection in low-power circuits.

Pinout

- Pin count: 2 terminals (two-terminal Zener diode; in some SOT‑23 packages pin 3 is NC).
- Function: BZX84-C33 is a 33 V Zener diode used to clamp or regulate voltage (voltage reference/surge protection) with a nominal breakdown around 33 V.

Manufacturer

There isn’t a single exclusive manufacturer for the BZX84-C33; it’s a standard 33 V Zener diode produced by many vendors. A well-known supplier is Vishay Intertechnology. Vishay is a multinational company that designs and manufactures electronic components, including discrete semiconductors (diodes, transistors) and passive components (resistors, capacitors, inductors).

Application

- Fixed 3.3 V shunt regulator for low-power circuits
- Reference voltage for ADC/DAC and precision analog circuits
- Simple, low-cost 3.3 V regulator from a higher supply (with series resistor)
- Overvoltage/clamp protection for microcontrollers and I/O lines
- Signal conditioning: clipping/limiters in analog paths
- Transient/surge protection in compact, battery-powered electronics
Note: BZX84-C33 is a 3.3 V Zener in SOT-23, suitable for small-signal, low-current applications.

Package

SOT-23, 3-pin surface-mount package (two active terminals; pin 3 is typically NC).

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