Overview
The 1N4733A G Zener diode, produced by Microsemi Corporation, is a versatile and reliable component designed for various electronic applications. This diode is part of the 1N47xx series, known for its hermetic-sealed qualities and higher rated temperature capabilities. The 1N4733A G is specifically tailored for use in protection circuits and as a crude voltage regulator due to its stable Zener voltage and moderate power dissipation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Zener (Nom) (Vz) | 5.1 | V |
| Tolerance | ±5% | |
| Power - Max | 1 | W |
| Impedance (Max) (Zzt) | 7 | Ohms |
| Current - Reverse Leakage @ Vr | 10 µA @ 1 V | |
| Power dissipation (PZ) | 1300 mW (practically 500 mW) | |
| Zener regulator current (IZm) | 178 mA | |
| Package | DO-41 |
Key Features
- Hermetic-Sealed: Provides higher rated temperature capabilities and reliability in harsh environments.
- Stable Zener Voltage: Nominal Zener voltage of 5.1V with a tolerance of ±5%.
- Moderate Power Dissipation: Maximum power dissipation of 1 W, with practical usage at 500 mW.
- Low Reverse Leakage Current: 10 µA at 1 V reverse voltage.
- DO-41 Package: Standard through-hole package for easy integration into various circuits.
Applications
- Voltage Protection Circuits: Used to protect circuits from voltage spikes and overvoltages.
- Low Current Voltage Regulator: Can be used as a simple voltage regulator in low current applications.
- Input Voltage Protection for Microcontrollers or ICs: Protects sensitive components from input voltage fluctuations.
- Voltage Stabilizing Circuits: Helps in stabilizing voltage levels in various electronic circuits).
Q & A
- What is the nominal Zener voltage of the 1N4733A G Zener diode?
The nominal Zener voltage is 5.1 V).
- What is the maximum power dissipation of the 1N4733A G Zener diode?
The maximum power dissipation is 1 W, with practical usage at 500 mW).
- What package type is the 1N4733A G Zener diode available in?
The 1N4733A G is available in the DO-41 package).
- What is the reverse leakage current of the 1N4733A G Zener diode at 1 V reverse voltage?
The reverse leakage current is 10 µA at 1 V reverse voltage).
- How is the 1N4733A G Zener diode typically used in circuits?
It is typically used in protection circuits and as a crude voltage regulator, often with a Zener resistor for current limiting).
- What are the key parameters to consider when selecting a Zener diode?
The key parameters are the Zener voltage and power dissipation).
- Why is a Zener resistor necessary when using a Zener diode?
A Zener resistor is necessary for current limiting to protect the Zener diode from high current).
- What are some common applications of the 1N4733A G Zener diode?
Common applications include voltage protection circuits, low current voltage regulation, input voltage protection for microcontrollers or ICs, and voltage stabilizing circuits).
- What is the impedance of the 1N4733A G Zener diode?
The impedance (Zzt) is 7 Ohms).
- What is the Zener regulator current (IZm) of the 1N4733A G Zener diode?
The Zener regulator current (IZm) is 178 mA).
