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BZX384-B3V3
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Especificações
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Visão Geral
Description
The BZX384-B3V3 is a 3.3V Zener diode from the BZX384 series, designed for voltage regulation and protection in low-power circuits. Key features:
- Voltage: 3.3V nominal Zener voltage (Vz).
- Power dissipation: 500mW (typical).
- Package: SOD-323 (small surface-mount).
- Applications: Voltage clamping, reference voltage, and transient suppression in portable electronics, sensors, and low-power devices.
It ensures stable voltage by conducting in reverse bias when the breakdown voltage (3.3V) is reached. Suitable for precision circuits due to its tight tolerance (±5%).
Example use: Protecting a microcontroller’s I/O pin from overvoltage by placing the diode between the signal line and ground.
For exact specs, refer to the datasheet (e.g., from Vishay or Nexperia).
- Voltage: 3.3V nominal Zener voltage (Vz).
- Power dissipation: 500mW (typical).
- Package: SOD-323 (small surface-mount).
- Applications: Voltage clamping, reference voltage, and transient suppression in portable electronics, sensors, and low-power devices.
It ensures stable voltage by conducting in reverse bias when the breakdown voltage (3.3V) is reached. Suitable for precision circuits due to its tight tolerance (±5%).
Example use: Protecting a microcontroller’s I/O pin from overvoltage by placing the diode between the signal line and ground.
For exact specs, refer to the datasheet (e.g., from Vishay or Nexperia).
Equivalent
Equivalent products to the BZX384-B3V3 (3.3V Zener diode) include:
- MMSZ5226B (SOD-123, 3.3V, 500mW)
- BZT52C3V3 (SOD-123, 3.3V, 200mW)
- 1N4728A (DO-41, 3.3V, 1W)
- PZM3.3NB (SOD-323, 3.3V, 300mW)
Check voltage tolerance, power rating, and package compatibility before substitution.
- MMSZ5226B (SOD-123, 3.3V, 500mW)
- BZT52C3V3 (SOD-123, 3.3V, 200mW)
- 1N4728A (DO-41, 3.3V, 1W)
- PZM3.3NB (SOD-323, 3.3V, 300mW)
Check voltage tolerance, power rating, and package compatibility before substitution.
Features
The BZX384-B3V3 is a 3.3V Zener diode with the following key features:
- Voltage Range: Nominal Zener voltage of 3.3V (tolerance ±5%).
- Power Dissipation: 300 mW (SOD-323 package).
- Low Leakage Current: Typically 0.1 µA at 1V reverse bias.
- Stable Regulation: Sharp breakdown characteristics for precise voltage regulation.
- Small Form Factor: Compact SOD-323 (SC-76) surface-mount package.
- Applications: Voltage clamping, regulation, and protection in low-power circuits.
Ideal for portable electronics, sensors, and precision voltage references.
- Voltage Range: Nominal Zener voltage of 3.3V (tolerance ±5%).
- Power Dissipation: 300 mW (SOD-323 package).
- Low Leakage Current: Typically 0.1 µA at 1V reverse bias.
- Stable Regulation: Sharp breakdown characteristics for precise voltage regulation.
- Small Form Factor: Compact SOD-323 (SC-76) surface-mount package.
- Applications: Voltage clamping, regulation, and protection in low-power circuits.
Ideal for portable electronics, sensors, and precision voltage references.
Pinout
The BZX384-B3V3 is a 3.3V Zener diode in a SOD-323 (SC-76) surface-mount package.
- Pin Count: 2 pins (anode and cathode).
- Function:
- Provides voltage regulation at 3.3V by operating in reverse breakdown (Zener) mode.
- Used for voltage clamping, protection, and stabilization in low-power circuits.
- Typical applications include voltage reference, surge suppression, and signal conditioning.
Key specs:
- Power dissipation: ~200mW.
- Tolerance: ±5%.
- Package dimensions: ~1.7mm x 1.25mm.
Concise and functional for circuit design.
- Pin Count: 2 pins (anode and cathode).
- Function:
- Provides voltage regulation at 3.3V by operating in reverse breakdown (Zener) mode.
- Used for voltage clamping, protection, and stabilization in low-power circuits.
- Typical applications include voltage reference, surge suppression, and signal conditioning.
Key specs:
- Power dissipation: ~200mW.
- Tolerance: ±5%.
- Package dimensions: ~1.7mm x 1.25mm.
Concise and functional for circuit design.
Package
The BZX384-B3V3 is a Zener diode in a SOD-323 surface-mount package. It features a 3.3V nominal voltage, low power dissipation (typically 200mW), and compact size (approx. 1.7mm x 1.25mm). Ideal for voltage regulation in space-constrained applications.
