Overview
The BZX79C4V7 is a 4.7V, 500mW Zener diode produced by onsemi. This component is part of the BZX79 series, known for its excellent operating characteristics and superior capabilities of silicon-oxide passivated junctions. The diode is packaged in a hermetically sealed glass DO-35 case, providing protection in various environmental conditions. It is suitable for a wide range of applications, including voltage regulation, waveform clipping, and MOSFET gate protection.
Key Specifications
| Attribute | Description |
|---|---|
| Zener Voltage | 4.7V |
| Maximum Power Dissipation | 500 mW |
| Maximum Forward Voltage | 1.2V |
| Maximum Junction Temperature | 200°C (TJ) |
| Minimum Junction Temperature | -65°C (TJ) |
| Maximum Reverse Leakage Current | 3µA @ 2V |
| Zener Impedance | 80 Ohms |
| Package Type | DO-35 |
| Tolerance | ±5% |
| Test Current | 200mA |
Key Features
- Hermetically sealed glass package (DO-35) for environmental protection.
- High ESD rating of Class 3 (>16 KV) per Human Body Model.
- Double slug type construction and metallurgically bonded for reliability.
- Corrosion-resistant external surfaces with readily solderable leads.
- Any mounting position is acceptable.
- Cathode indicated by color band; positive with respect to anode when operated in Zener mode.
Applications
- Voltage regulation: Provides stable voltage reference points in circuits.
- Waveform clipping: Limits voltage peaks in signal processing.
- MOSFET gate protection: Protects MOSFET gates from overvoltage conditions.
- General usage: Suitable for various end products requiring voltage stabilization.
Q & A
- What is the Zener voltage of the BZX79C4V7 diode?
The Zener voltage of the BZX79C4V7 diode is 4.7V.
- What is the maximum power dissipation of the BZX79C4V7?
The maximum power dissipation is 500 mW.
- What is the package type of the BZX79C4V7?
The package type is DO-35, a hermetically sealed glass case.
- What is the maximum junction temperature for the BZX79C4V7?
The maximum junction temperature is 200°C (TJ).
- What is the tolerance of the Zener voltage for the BZX79C4V7?
The tolerance is ±5%.
- What is the maximum reverse leakage current of the BZX79C4V7?
The maximum reverse leakage current is 3µA @ 2V.
- What are some common applications of the BZX79C4V7 diode?
Common applications include voltage regulation, waveform clipping, and MOSFET gate protection.
- Is the BZX79C4V7 RoHS compliant?
- What is the ESD rating of the BZX79C4V7?
The ESD rating is Class 3 (>16 KV) per Human Body Model.
- How is the polarity of the BZX79C4V7 indicated?
The polarity is indicated by a color band; the cathode is positive with respect to the anode when operated in Zener mode.
