Overview
The BZX84C51LT1 is a Zener voltage regulator diode produced by onsemi, designed to provide stable voltage regulation in various electronic circuits. This component is part of the BZX84C series and is packaged in a SOT-23-3 surface-mount technology (SMT) package. Although the part is currently listed as obsolete, it remains relevant for existing designs and maintenance of older systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Zener (Nominal) (Vz) | 51 | V |
| Power - Max | 225 | mW |
| Impedance (Max) (Zzt) | 180 | Ohms |
| Reverse Current (IZT) at Vz | 5 mA | mA |
| Reverse Leakage Current (IR) at VR | - | µA |
| Forward Current (IF) at VF | 10 mA | mA |
| Forward Voltage (VF) at IF | 0.90 V Max. | V |
| Maximum Temperature Coefficient of Vz | - | mV/°C |
| Capacitance at VR = 0 and f = 1 MHz | - | pF |
Key Features
- Stable Zener voltage regulation with a nominal voltage of 51 V.
- Maximum power dissipation of 225 mW.
- Low impedance of 180 Ohms maximum.
- SOT-23-3 SMT package for compact and efficient board design.
- Designed for optimal automated board assembly.
Applications
The BZX84C51LT1 Zener diode is suitable for various applications requiring stable voltage regulation, such as:
- Voltage stabilization in power supplies and voltage regulators.
- Overvoltage protection circuits.
- Signal clipping and clamping circuits.
- Audio and video equipment where stable voltage references are needed.
Q & A
- What is the nominal Zener voltage of the BZX84C51LT1?
The nominal Zener voltage is 51 V. - What is the maximum power dissipation of the BZX84C51LT1?
The maximum power dissipation is 225 mW. - What is the package type of the BZX84C51LT1?
The package type is SOT-23-3. - What is the maximum impedance (Zzt) of the BZX84C51LT1?
The maximum impedance is 180 Ohms. - What is the typical forward current (IF) at forward voltage (VF)?
The typical forward current is 10 mA at a forward voltage of 0.90 V Max. - Is the BZX84C51LT1 still in production?
No, the BZX84C51LT1 is currently listed as obsolete. - What are common applications for the BZX84C51LT1?
Common applications include voltage stabilization, overvoltage protection, signal clipping, and audio/video equipment. - What is the maximum reverse leakage current (IR) of the BZX84C51LT1?
The specific value is not provided, but it is typically very low. - How does the temperature affect the Zener voltage of the BZX84C51LT1?
The Zener voltage has a temperature coefficient, but the exact value is not specified in the provided sources. - What is the capacitance of the BZX84C51LT1 at VR = 0 and f = 1 MHz?
The specific capacitance value is not provided in the sources.
