Overview
The BZX84C51-G3-18 is a silicon planar Zener diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the BZX84-G series, which is known for its high reliability and precision in voltage regulation. The BZX84C51-G3-18 is specifically designed to provide a stable Zener voltage, making it suitable for a wide range of applications requiring voltage stabilization and regulation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage Range | 48.45 to 53.55 | V |
| Test Current (IZT) | 2; 5 mA | mA |
| Reverse Leakage Current (IR at VR) | 0.5 μA | μA |
| Dynamic Resistance (ZZ at IZT1) | 35.7 Ω | Ω |
| Temperature Coefficient (αVZ at IZT1) | 10^-4/°C | 10^-4/°C |
| Power Dissipation (Ptot) | 300 mW | mW |
| Thermal Resistance Junction to Ambient (RthJA) | 420 K/W | K/W |
| Junction Temperature (Tj) | -55 to +150 °C | °C |
| Storage Temperature Range (Tstg) | -65 to +150 °C | °C |
| Package | SOT-23 | |
| Flammability Rating | UL 94 V-0 | |
| Moisture Sensitivity Level | MSL level 1 (according J-STD-020) |
Key Features
- Silicon planar Zener diodes with high stability and reliability.
- Zener voltages graded according to the international E24 standard.
- AEC-Q101 qualified for automotive applications.
- Available in ±5% and ±2% tolerance options.
- High surge current capability.
- Low dynamic resistance.
- UL 94 V-0 flammability rating and MSL level 1 moisture sensitivity.
- SOT-23 package for compact design.
Applications
- Voltage regulation and stabilization in various electronic circuits.
- Overvoltage protection in automotive and industrial applications.
- Signal clipping and clamping.
- Reference voltage generation.
- Surge protection and transient suppression.
Q & A
- What is the Zener voltage range of the BZX84C51-G3-18?
The Zener voltage range is from 48.45 to 53.55 V.
- What is the test current (IZT) for this diode?
The test current (IZT) is 2 mA and 5 mA.
- What is the maximum power dissipation (Ptot) of the BZX84C51-G3-18?
The maximum power dissipation is 300 mW.
- What is the thermal resistance junction to ambient (RthJA) of this diode?
The thermal resistance junction to ambient is 420 K/W.
- What is the junction temperature range for the BZX84C51-G3-18?
The junction temperature range is -55 to +150 °C.
- What package type is used for the BZX84C51-G3-18?
The package type is SOT-23.
- Is the BZX84C51-G3-18 AEC-Q101 qualified?
No, but AEC-Q101 qualified versions are available in the series.
- What is the flammability rating of the BZX84C51-G3-18?
The flammability rating is UL 94 V-0.
- What is the moisture sensitivity level of the BZX84C51-G3-18?
The moisture sensitivity level is MSL level 1 (according J-STD-020).
- What are some common applications for the BZX84C51-G3-18?
Common applications include voltage regulation, overvoltage protection, signal clipping, reference voltage generation, and surge protection.
