Overview
The 1N4733A_R2_00001 is a silicon Zener diode produced by Panjit International Inc. This component is part of the 1N4728A series and is widely used in various electronic circuits for voltage regulation and protection. The 1N4733A is characterized by its nominal Zener voltage of 5.1V, making it suitable for applications requiring stable voltage levels.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Nominal Zener Voltage (VZ) | 5.1 | V |
| Maximum Zener Voltage | 5.4 | V |
| Minimum Zener Voltage | 4.8 | V |
| Power Dissipation (PZ) | 500 mW (practically), 1300 mW (theoretical) | mW |
| Zener Regulator Current (IZm) | 178 mA | mA |
| Maximum Leakage Current (IR) | 10 uA | uA |
| Package | DO-41 | |
| Epoxy | UL 94V-O rate flame retardant | |
| Terminals | Axial leads, solderable per MIL-STD-750, Method 2026 |
Key Features
- Nominal Zener Voltage: 5.1V, providing a stable voltage reference.
- Power Dissipation: 500 mW (practical), allowing for moderate current handling.
- Zener Regulator Current: 178 mA, suitable for low to moderate current applications.
- Package: DO-41, a standard package for Zener diodes with axial leads.
- Flame Retardant Epoxy: UL 94V-O rated, ensuring safety in high-temperature environments.
- Solderable Terminals: Compliant with MIL-STD-750, Method 2026, for reliable soldering.
- Lead-Free Compliance: Meets EU RoHS 2.0 standards, ensuring environmental safety.
Applications
- Voltage Protection Circuits: Used to protect electronic circuits from voltage spikes and overvoltages.
- Low Current Voltage Regulator: Acts as a simple voltage regulator in low current applications.
- Input Voltage Protection for Microcontrollers and ICs: Protects sensitive components from voltage fluctuations.
- Voltage Stabilizing Circuits: Maintains a stable voltage level in various electronic systems.
Q & A
- What is the nominal Zener voltage of the 1N4733A?
The nominal Zener voltage of the 1N4733A is 5.1V.
- What is the maximum power dissipation of the 1N4733A?
The maximum power dissipation is theoretically 1300 mW, but practically it is 500 mW.
- What is the Zener regulator current (IZm) for the 1N4733A?
The Zener regulator current (IZm) is 178 mA.
- What package type does the 1N4733A come in?
The 1N4733A comes in a DO-41 package with axial leads.
- Is the 1N4733A lead-free and RoHS compliant?
- How do you calculate the Zener series resistor for the 1N4733A?
The Zener series resistor (Rs) can be calculated using the formula Rs = (Vs - Vz) / Iz, where Vs is the supply voltage, Vz is the Zener voltage, and Iz is the Zener current.
- What are some common applications of the 1N4733A?
The 1N4733A is commonly used in voltage protection circuits, as a low current voltage regulator, for input voltage protection of microcontrollers and ICs, and in voltage stabilizing circuits.
- Why is it important to use a Zener resistor with the 1N4733A?
A Zener resistor is necessary to limit the current flowing through the Zener diode, preventing it from being damaged by high currents.
- What is the maximum leakage current for the 1N4733A?
The maximum leakage current (IR) for the 1N4733A is 10 uA.
- Is the epoxy used in the 1N4733A flame retardant?
