Overview
The 1N4733A-TP is a 5.1V Zener diode manufactured by Micro Commercial Co. This component is part of the 1N47xx series and is widely used in various electronic circuits for voltage regulation and protection. Although the product is no longer in production, it remains relevant for existing designs and maintenance of older systems.
Key Specifications
| Parameter | Value |
|---|---|
| Nominal Zener Voltage (VZ) | 5.1V |
| Power Dissipation (PZ) | 1300mW (practically 500mW) |
| Zener Regulator Current (IZm) | 178mA |
| Package | DO-41 |
| Forward Voltage Drop (Vf) | 1.2V |
| Reverse Current (Ir) | 10uA |
| Maximum Reverse Voltage (Vr) | 1V |
Key Features
- Nominal Zener Voltage of 5.1V, providing stable voltage regulation.
- Power dissipation of 500mW, suitable for low to moderate power applications.
- Zener regulator current of 178mA, ensuring reliable operation in various circuits.
- DO-41 package, a standard and compact form factor for easy integration.
- Low forward voltage drop of 1.2V, minimizing losses in forward-biased conditions.
Applications
- Used in voltage protection circuits to safeguard against overvoltage conditions.
- Can be used as a low current voltage regulator in simple power supply designs.
- Input voltage protection for microcontrollers or other integrated circuits.
- Voltage stabilizing circuits in various electronic devices.
Q & A
- What is the nominal Zener voltage of the 1N4733A-TP?
The nominal Zener voltage is 5.1V. - What is the power dissipation of the 1N4733A-TP?
The power dissipation is practically 500mW. - What is the package type of the 1N4733A-TP?
The package type is DO-41. - What are the typical applications of the 1N4733A-TP?
It is used in voltage protection circuits, as a low current voltage regulator, input voltage protection for microcontrollers, and in voltage stabilizing circuits. - How do you calculate the Zener series resistor for the 1N4733A-TP?
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. - Why is a Zener resistor necessary in a Zener diode circuit?
A Zener resistor is necessary to limit the current through the Zener diode and protect it from high current damage. - What is the forward voltage drop of the 1N4733A-TP?
The forward voltage drop is 1.2V. - Is the 1N4733A-TP still in production?
No, the 1N4733A-TP is no longer manufactured and will no longer be stocked once current stock is depleted. - What are some alternative Zener diodes to the 1N4733A-TP?
Alternatives include other Zener diodes with different voltage ratings such as 4.7V, 6.8V, 7.5V, and 15V. - How do you select a Zener diode for your application?
You should check the Zener voltage and power dissipation to ensure they meet your circuit requirements.
