Overview
The BZX79C4V3-T50A is a Zener diode produced by onsemi, part of the BZX79 series. This series is known for its excellent operating characteristics and superior capabilities of silicon-oxide passivated junctions. The BZX79C4V3-T50A is specifically designed to provide a stable voltage reference and is suitable for various applications including voltage regulation, waveform clipping, and MOSFET gate protection. It is packaged in a hermetically sealed glass DO-35 (DO-204AH) case, ensuring protection in all common environmental conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (Nominal) | 4.3 | V |
| Zener Voltage (Min-Max) | 4.0 - 4.6 | V |
| Power Dissipation | 500 | mW |
| Operating and Storage Temperature Range | -65 to +200 | °C |
| Forward Voltage | 1.2 | V @ IF = 200 mA |
| Leakage Current | 5 | μA @ VZ = 0, f = 1 MHz |
| Package Type | DO-35 (DO-204AH) | |
| Lead Temperature for Soldering | 230 | °C, 1/16", from case for 10 seconds |
Key Features
- Hermetically sealed glass package (DO-35/DO-204AH) for environmental protection.
- Double slug type construction and metallurgically bonded for reliability.
- ESD rating of Class 3 (>16 KV) per Human Body Model.
- Corrosion-resistant surfaces with readily solderable leads.
- Polarity indicated by color band; cathode positive with respect to anode in zener mode.
- Flexible mounting position.
Applications
- Voltage regulation: Provides a stable voltage reference in various circuits.
- Waveform clipping: Used to limit voltage levels in signal processing.
- MOSFET gate protection: Protects MOSFET gates from overvoltage conditions.
- General usage: Suitable for many different end products requiring voltage stabilization.
Q & A
- What is the nominal zener voltage of the BZX79C4V3-T50A?
The nominal zener voltage is 4.3 V.
- What is the maximum power dissipation of the BZX79C4V3-T50A?
The maximum power dissipation is 500 mW.
- What is the operating and storage temperature range for the BZX79C4V3-T50A?
The operating and storage temperature range is -65 to +200 °C.
- What type of package does the BZX79C4V3-T50A come in?
The BZX79C4V3-T50A comes in a DO-35 (DO-204AH) hermetically sealed glass package.
- What is the ESD rating of the BZX79C4V3-T50A?
The ESD rating is Class 3 (>16 KV) per Human Body Model.
- How is the polarity indicated on the BZX79C4V3-T50A?
The polarity is indicated by a color band; the cathode is positive with respect to the anode in zener mode.
- What are some common applications of the BZX79C4V3-T50A?
Common applications include voltage regulation, waveform clipping, MOSFET gate protection, and general usage in various end products.
- What is the forward voltage of the BZX79C4V3-T50A at 200 mA?
The forward voltage is 1.2 V at IF = 200 mA.
- What is the leakage current of the BZX79C4V3-T50A?
The leakage current is 5 μA at VZ = 0, f = 1 MHz.
- What is the maximum lead temperature for soldering the BZX79C4V3-T50A?
The maximum lead temperature for soldering is 230 °C, 1/16" from the case for 10 seconds.
- Is the BZX79C4V3-T50A suitable for high-performance applications?
Yes, it is suitable for high-performance applications due to its excellent operating characteristics and robust construction.
