Overview
The 1N4733A-T is a 5.1V Zener diode produced by Diodes Incorporated. This component is part of the 1N4728A to 1N4761A series, which are 1.0 Watt power dissipation Zener diodes. Although the 1N4733A-T is currently obsolete and no longer manufactured, it remains relevant for understanding and replacing similar components. The diode is housed in a DO-41 glass package and is RoHS compliant, making it suitable for a variety of electronic applications.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Nominal Zener Voltage | VZ | 5.1 | V |
| Test Current | IZT | 49 | mA |
| Maximum Zener Impedance | ZZT @ IZT | 890 | Ω |
| Maximum Reverse Leakage Current | IR @ VR | 100 | µA |
| Power Dissipation | Pd | 1.0 | W |
| Thermal Resistance - Junction to Ambient Air | RθJA | 175 | °C/W |
| Forward Voltage @ IF = 200 mA | VF | 1.2 | V |
| Operating and Storage Temperature Range | Tj, TSTG | -65 to +175 | °C |
Key Features
- 1.0 Watt power dissipation
- Nominal Zener voltage of 5.1V with a standard tolerance of 5%
- Lead-free finish, RoHS compliant
- DO-41 glass package with high temperature solder exemptions
- Low forward voltage drop and high current capability
- Built-in strain relief
- High peak reverse power dissipation
Applications
- Used in voltage protection circuits
- Can be used as a low current voltage regulator
- Input voltage protection for microcontrollers or other ICs
- Voltage stabilizing circuits
Q & A
- What is the nominal Zener voltage of the 1N4733A-T?
The nominal Zener voltage of the 1N4733A-T is 5.1V.
- What is the power dissipation of the 1N4733A-T?
The power dissipation of the 1N4733A-T is 1.0 Watt.
- What is the package type of the 1N4733A-T?
The 1N4733A-T is housed in a DO-41 glass package.
- Is the 1N4733A-T RoHS compliant?
Yes, the 1N4733A-T is RoHS compliant.
- What are the typical applications of the 1N4733A-T?
The 1N4733A-T is typically used in voltage protection circuits, as a low current voltage regulator, for input voltage protection of microcontrollers or other ICs, and in voltage stabilizing circuits.
- How do you calculate the Zener series resistor for the 1N4733A-T?
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 is the forward voltage drop of the 1N4733A-T at 200 mA?
The forward voltage drop of the 1N4733A-T at 200 mA is 1.2V).
- What is the thermal resistance of the 1N4733A-T from junction to ambient air?
The thermal resistance of the 1N4733A-T from junction to ambient air is 175°C/W).
- Is the 1N4733A-T still in production?
No, the 1N4733A-T is obsolete and no longer manufactured).
- What are the operating and storage temperature ranges for the 1N4733A-T?
The operating and storage temperature ranges for the 1N4733A-T are -65°C to +175°C).
