Overview
The BZX84C3V9-E3-18 is a silicon planar Zener diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the BZX84 series, which is known for its wide range of Zener voltages and robust specifications. The BZX84C3V9-E3-18 is specifically designed for voltage regulation and stabilization in various electronic circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage Range | 3.9 | V |
| Test Current (IZT) | 5 | mA |
| Reverse Leakage Current (IR at VR) | 1 | μA |
| Dynamic Resistance (ZZ at IZT1) | 120 | Ω |
| Temperature Coefficient (αVZ at IZT1) | -9 to -4 | 10^-4/°C |
| Power Dissipation (Ptot) | 300 | mW |
| Thermal Resistance (RthJA) | 420 | K/W |
| Junction Temperature (Tj) | 150 | °C |
| Storage Temperature Range (Tstg) | -65 to +150 | °C |
| Operating Temperature Range (Top) | -55 to +150 | °C |
| Package | SOT-23 | |
| Molding Compound | 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.
- Standard Zener voltage tolerance of ±5% or ±2% depending on the model.
- RoHS-compliant and available in both commercial grade (E3) and AEC-Q101 qualified (HE3) versions.
- Low dynamic resistance and stable temperature coefficient.
- High power dissipation capability of up to 300 mW.
- Compact SOT-23 package suitable for surface mount applications.
- UL 94 V-0 flammability rating and MSL level 1 moisture sensitivity.
Applications
- Voltage regulation and stabilization in electronic circuits.
- Overvoltage protection in various electronic devices.
- Signal clipping and clamping in audio and video circuits.
- Automotive, industrial, computing, and consumer electronics.
Q & A
- What is the Zener voltage of the BZX84C3V9-E3-18?
The Zener voltage of the BZX84C3V9-E3-18 is 3.9 V.
- What is the test current for the BZX84C3V9-E3-18?
The test current (IZT) for the BZX84C3V9-E3-18 is 5 mA.
- What is the power dissipation capability of the BZX84C3V9-E3-18?
The power dissipation capability (Ptot) of the BZX84C3V9-E3-18 is up to 300 mW.
- What is the operating temperature range of the BZX84C3V9-E3-18?
The operating temperature range (Top) of the BZX84C3V9-E3-18 is -55 to +150 °C.
- Is the BZX84C3V9-E3-18 RoHS-compliant?
- What is the package type of the BZX84C3V9-E3-18?
The package type of the BZX84C3V9-E3-18 is SOT-23.
- What are the typical applications of the BZX84C3V9-E3-18?
The BZX84C3V9-E3-18 is typically used for voltage regulation, overvoltage protection, signal clipping, and clamping in various electronic circuits.
- What is the moisture sensitivity level of the BZX84C3V9-E3-18?
The moisture sensitivity level of the BZX84C3V9-E3-18 is MSL level 1 (according J-STD-020).
- What is the flammability rating of the BZX84C3V9-E3-18?
The flammability rating of the BZX84C3V9-E3-18 is UL 94 V-0.
- Is the BZX84C3V9-E3-18 suitable for automotive applications?
