Overview
The BZX84B4V7-G3-08 is a small signal Zener diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the BZX84-G series, which features silicon planar Zener diodes. These diodes are designed to provide voltage regulation and are graded according to the international E24 standard, ensuring a wide range of Zener voltages from 2.4 V to 75 V.
The BZX84B4V7-G3-08 specifically has a nominal Zener voltage of 4.7 V with a tolerance of ±2%, making it suitable for applications requiring precise voltage regulation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) | 4.7 | V |
| Tolerance | ±2% | |
| Test Current (IZT) | 5 mA | |
| Power Dissipation (Ptot) | 300 mW | |
| Thermal Resistance Junction to Ambient (RthJA) | 420 K/W | |
| Junction Temperature (Tj) | -55 to +150 °C | |
| Storage Temperature Range (Tstg) | -65 to +150 °C | |
| Package | SOT-23 | |
| Weight | 8.1 mg | |
| Flammability Rating | UL 94 V-0 | |
| Moisture Sensitivity Level | MSL level 1 (according J-STD-020) |
Key Features
- Silicon planar Zener diodes with Zener voltages graded according to the international E24 standard.
- Nominal Zener voltage of 4.7 V with ±2% tolerance.
- High power dissipation capability of up to 300 mW.
- Low thermal resistance junction to ambient (RthJA) of 420 K/W.
- Wide operating temperature range from -55 °C to +150 °C.
- Compact SOT-23 package with a weight of 8.1 mg.
- UL 94 V-0 flammability rating and MSL level 1 moisture sensitivity.
Applications
The BZX84B4V7-G3-08 is suitable for various applications requiring precise voltage regulation and protection. These include:
- Voltage regulation in power supplies and DC-DC converters.
- Overvoltage protection in electronic circuits.
- Signal limiting and clamping in communication and audio circuits.
- Automotive systems, such as in electronic control units (ECUs) and dashboard displays.
- Consumer electronics, including lighting and telecommunications equipment.
Q & A
- What is the nominal Zener voltage of the BZX84B4V7-G3-08?
The nominal Zener voltage is 4.7 V.
- What is the tolerance of the Zener voltage for the BZX84B4V7-G3-08?
The tolerance is ±2%.
- What is the maximum power dissipation of the BZX84B4V7-G3-08?
The maximum power dissipation is 300 mW.
- What is the thermal resistance junction to ambient (RthJA) of the BZX84B4V7-G3-08?
The thermal resistance junction to ambient is 420 K/W.
- What is the operating temperature range of the BZX84B4V7-G3-08?
The operating temperature range is from -55 °C to +150 °C.
- What package type is used for the BZX84B4V7-G3-08?
The package type is SOT-23.
- What is the flammability rating of the BZX84B4V7-G3-08?
The flammability rating is UL 94 V-0.
- What is the moisture sensitivity level of the BZX84B4V7-G3-08?
The moisture sensitivity level is MSL level 1 (according J-STD-020).
- What are some common applications for the BZX84B4V7-G3-08?
Common applications include voltage regulation, overvoltage protection, signal limiting, and use in automotive and consumer electronics.
- Who is the manufacturer of the BZX84B4V7-G3-08?
The manufacturer is Vishay General Semiconductor - Diodes Division.
