Overview
The 1N4733ATR is a Zener diode produced by onsemi, designed to provide voltage regulation and protection in various electronic circuits. This diode is part of the 1N4728A - 1N4758A series, which offers a range of voltage ratings to suit different application needs. The 1N4733ATR is specifically rated for a Zener voltage of 5.1 volts, making it suitable for applications requiring stable voltage regulation at this level.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) @ IZ | 4.845 - 5.355 | V |
| Test Current (IZ) | 7 mA | mA |
| Max. Zener Impedance (ZZ @ IZ) | 49 Ω | Ω |
| Leakage Current (IR) | 1 μA | μA |
| Non-Repetitive Peak Reverse Current (IZSM) | 550 mA | mA |
| Operating and Storage Temperature Range | −65 to +200 | °C |
| Power Dissipation @ TL ≤ 50°C, Lead Length = 3/8″ | 1.0 W | W |
| Derate above 50°C | 6.67 mW/°C | mW/°C |
| Package | Axial Lead / DO-41 |
Key Features
- Voltage Regulation: The 1N4733ATR provides stable voltage regulation with a Zener voltage of 5.1 volts.
- Low Impedance: It has a low Zener impedance, which helps in maintaining a stable voltage output.
- High Reliability: Designed to operate within a wide temperature range (−65 to +200°C), ensuring reliability in various environmental conditions.
- Compact Packaging: Available in an axial lead DO-41 package, which is suitable for applications where space is limited.
- Lead-Free and Halide-Free: Compliant with environmental regulations, making it a preferred choice for modern electronic designs.
Applications
The 1N4733ATR Zener diode is versatile and can be used in a variety of applications, including:
- Voltage Regulation: In power supplies, voltage regulators, and other circuits requiring stable voltage output.
- Overvoltage Protection: To protect electronic circuits from voltage spikes and surges.
- Signal Clamping: To limit signal voltages within a specified range.
- Reference Voltage Generation: In circuits requiring a stable reference voltage.
Q & A
- What is the Zener voltage of the 1N4733ATR?
The Zener voltage of the 1N4733ATR is 5.1 volts. - What is the maximum power dissipation of the 1N4733ATR?
The maximum power dissipation is 1.0 W at a lead length of 3/8″ and temperature below 50°C. - What is the operating temperature range of the 1N4733ATR?
The operating and storage temperature range is −65 to +200°C. - What type of package does the 1N4733ATR come in?
The 1N4733ATR comes in an axial lead DO-41 package. - Is the 1N4733ATR lead-free and halide-free?
Yes, the 1N4733ATR is lead-free and halide-free. - What is the typical leakage current of the 1N4733ATR?
The typical leakage current is 1 μA. - What is the maximum Zener impedance of the 1N4733ATR?
The maximum Zener impedance is 49 Ω. - Can the 1N4733ATR be used for overvoltage protection?
Yes, the 1N4733ATR can be used for overvoltage protection in electronic circuits. - How does the 1N4733ATR help in signal clamping?
The 1N4733ATR helps in limiting signal voltages within a specified range, preventing voltage spikes from damaging the circuit. - Is the 1N4733ATR suitable for high-temperature applications?
Yes, the 1N4733ATR is designed to operate reliably over a wide temperature range, making it suitable for high-temperature applications.
