Overview
The 1N4733A TR PBFREE is a silicon Zener diode produced by Central Semiconductor Corp. It is designed as a highly reliable voltage regulator, suitable for various applications including industrial, commercial, entertainment, and computer systems. This diode is part of the 1N4728A series, known for its robust performance and versatility.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Nominal Zener Voltage (VZ) | 5.1 | V |
| Power Dissipation (PZ) | 1.0 W (practically 500 mW) | W |
| Zener Regulator Current (IZm) | 178 mA | mA |
| Maximum Zener Impedance | 7.0 | Ω |
| Maximum Reverse Current | 10 | μA |
| Maximum DC Current | 1.0 | A |
| Operating and Storage Temperature | -65 to +200 | °C |
| Package | DO-41 |
Key Features
- High Reliability: Designed for use in industrial, commercial, entertainment, and computer applications.
- Voltage Regulation: Provides a stable voltage of 5.1V with a 5% tolerance.
- Power Handling: Capable of dissipating up to 1.0 W of power (practically 500 mW).
- Low Zener Impedance: Maximum Zener impedance of 7.0 Ω.
- Wide Temperature Range: Operates and stores within a temperature range of -65 to +200 °C.
- Lead-Free and RoHS Compliant: The TR PBFREE version is lead-free and compliant with RoHS standards.
Applications
- Voltage Protection Circuits: Used to protect circuits from voltage spikes and overvoltages.
- Low Current Voltage Regulators: Can be used as crude voltage regulators in low current applications.
- Input Voltage Protection for Microcontrollers and ICs: Protects sensitive electronic components from input voltage fluctuations.
- Voltage Stabilizing Circuits: Helps in maintaining a stable voltage in various electronic circuits.
Q & A
- What is the nominal Zener voltage of the 1N4733A diode?
The nominal Zener voltage of the 1N4733A diode is 5.1V.
- What is the maximum power dissipation of the 1N4733A diode?
The maximum power dissipation of the 1N4733A diode is 1.0 W, but practically it is 500 mW.
- What is the package type of the 1N4733A diode?
The package type of the 1N4733A diode is DO-41.
- What are the typical applications of the 1N4733A diode?
The 1N4733A diode is typically used in voltage protection circuits, low current voltage regulators, input voltage protection for microcontrollers and ICs, and voltage stabilizing circuits.
- Is the 1N4733A TR PBFREE version RoHS compliant?
- What is the maximum operating temperature of the 1N4733A diode?
The maximum operating temperature of the 1N4733A diode is +200 °C.
- How do you calculate the Zener series resistor for the 1N4733A diode?
The Zener series resistor 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 is the maximum Zener impedance of the 1N4733A diode?
The maximum Zener impedance of the 1N4733A diode is 7.0 Ω.
- Can the 1N4733A diode be used in high current applications?
No, the 1N4733A diode is not suitable for high current applications due to its limited power dissipation and current handling capabilities.
- What is the significance of using a Zener resistor with the 1N4733A diode?
A Zener resistor is used to limit the current through the diode, protecting it from high current damage.
