Overview
The BZX84B3V3-HE3-18 is a small signal Zener diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the BZX84 series, which is known for its high quality and reliability. The BZX84B3V3-HE3-18 is specifically designed to provide voltage regulation and transient protection in various electronic circuits.
This diode is RoHS-compliant and AEC-Q101 qualified, making it suitable for automotive and other demanding applications. It features a low profile SOT-23 package, which is ideal for space-constrained designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage Range | 3.1 to 3.5 | V |
| Test Current (IZT) | 5 mA | mA |
| Reverse Leakage Current (IR at VR) | 1 μA | μA |
| Dynamic Resistance (ZZ at IZT) | 600 Ω | Ω |
| Temperature Coefficient (αVZ at IZT) | -8 to -3 × 10^-4/°C | 10^-4/°C |
| Power Dissipation (Ptot) | 300 mW | mW |
| Thermal Resistance (RthJA) | 420 K/W | K/W |
| Junction Temperature (Tj) | 150 °C | °C |
| Storage Temperature Range (Tstg) | -65 to +150 °C | °C |
| Operating Temperature Range (Top) | -55 to +150 °C | °C |
| Package | SOT-23 | |
| Moisture Sensitivity Level | MSL level 1 (according J-STD-020) | |
| Soldering Conditions | Peak temperature max. 260 °C | °C |
Key Features
- RoHS-compliant and AEC-Q101 qualified for automotive and other demanding applications.
- Low profile SOT-23 package suitable for space-constrained designs.
- Zener voltage tolerance of ±2% indicated by the 'B' in the ordering code.
- High stability and low noise operation.
- Wide range of Zener voltages available, graded according to the international E24 standard.
- UL 94 V-0 flammability rating and MSL level 1 moisture sensitivity.
Applications
- Voltage regulation and stabilization in electronic circuits.
- Transient protection and surge absorption.
- Automotive systems requiring high reliability and durability.
- Industrial control systems and power supplies.
- Consumer electronics and telecommunications equipment.
Q & A
- What is the Zener voltage range of the BZX84B3V3-HE3-18?
The Zener voltage range is 3.1 to 3.5 V.
- What is the test current (IZT) for this diode?
The test current (IZT) is 5 mA.
- Is the BZX84B3V3-HE3-18 RoHS-compliant?
- What is the package type of the BZX84B3V3-HE3-18?
The package type is SOT-23.
- What is the maximum junction temperature for this diode?
The maximum junction temperature is 150 °C.
- What are the typical applications of the BZX84B3V3-HE3-18?
Typical applications include voltage regulation, transient protection, and use in automotive and industrial systems.
- What is the moisture sensitivity level of the BZX84B3V3-HE3-18?
The moisture sensitivity level is MSL level 1 (according J-STD-020).
- What is the flammability rating of the BZX84B3V3-HE3-18?
The flammability rating is UL 94 V-0.
- What is the power dissipation rating of the BZX84B3V3-HE3-18?
The power dissipation rating is 300 mW.
- What is the thermal resistance (RthJA) of the BZX84B3V3-HE3-18?
The thermal resistance (RthJA) is 420 K/W.
