BZX84C4V7

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BZX84C4V7

+Nomenclature

DIODE ZENER 4.7V 200MW SOT-23

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Spécifications

Attribut Valeur
Package Tape & Reel (TR)
ProductStatus Active
Voltage-Zener(Nom)(Vz) 4.7 V
Tolerance ±5%
Power-Max 350 mW
Impedance(Max)(Zzt) 80 Ohms
Current-ReverseLeakage@Vr 3 µA @ 2 V
Voltage-Forward(Vf)(Max)@If 900 mV @ 10 mA
MountingType Surface Mount
Package/Case TO-236-3, SC-59, SOT-23-3

Présentation

Description

The BZX84C4V7 is a 4.7V Zener diode from the BZX84 series, designed for surface-mount (SMD) applications in SOT-23 packages. It provides voltage regulation and overvoltage protection in low-power circuits.
### Key Features:
- Zener Voltage (Vz): 4.7V (±5% tolerance).
- Power Dissipation: 350mW.
- Low Leakage Current: Typically <100nA below Vz.
- Compact SOT-23 Package.
### Applications:
- Voltage clamping in portable electronics.
- Reference voltage in sensor circuits.
- Overvoltage protection in low-power supplies.
### Advantages:
- Small footprint, ideal for PCB space constraints.
- Reliable performance in consumer and industrial electronics.
For precise regulation, ensure proper current limiting (Iz ~5mA for optimal operation). Check datasheet for detailed specs.

Equivalent

Equivalent products to the BZX84C4V7 (4.7V Zener diode, SOT-23) include:
- MMSZ5226B (4.7V, SOD-123)
- PZM4.7NB (4.7V, SOD-323)
- BZT52C4V7 (4.7V, SOD-123)
- 1N4732A (4.7V, DO-41, axial lead)
Check voltage tolerance, power dissipation, and package compatibility when substituting.

Pinout

The BZX84C4V7 is a 4.7V Zener diode in a SOT-23 surface-mount package.
- Pin Count: 3 pins (but typically only 2 are used—anode and cathode; the third pin is often unused or connected internally).
- Function: Provides voltage regulation at 4.7V by maintaining a stable reverse breakdown voltage. Used for voltage clamping, protection, and reference voltage in low-power circuits.
- Key Specs:
- Power Dissipation: ~250mW
- Tolerance: ±5%
Concise and functional for small-signal applications.

Application

The BZX84C4V7 is a 4.7V Zener diode in a SOT-23 package, commonly used for:
1. Voltage Regulation – Provides stable 4.7V reference in low-power circuits.
2. Overvoltage Protection – Clamps voltage spikes to protect sensitive components.
3. Signal Clipping – Limits signal amplitude in audio/communication circuits.
4. Biasing Circuits – Stabilizes bias points in amplifiers and transistors.
5. Power Management – Used in portable devices for low-power voltage control.
Its small size and low power dissipation make it ideal for compact electronics.

Package

The BZX84C4V7 is a 4.7V Zener diode in a SOT-23 surface-mount package. It is designed for voltage regulation and protection in low-power applications. The SOT-23 package is compact, with three leads, making it suitable for space-constrained PCBs. Typical applications include voltage clamping, signal conditioning, and power management in portable electronics.