Overview
The BZX84C43-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 graded according to the international E24 standard. The BZX84C43-E3-18 is specifically designed for voltage regulation and stabilization in various electronic circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage Range | 42.1 to 43.9 | V |
| Test Current (IZT) | 5 mA | mA |
| Reverse Leakage Current (IR) | 0.5 μA | μA |
| Dynamic Resistance (ZZ) | 200 Ω | Ω |
| Temperature Coefficient (αVZ) | 9 to 11 x 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 | |
| Weight | 9.2 mg | mg |
| Flammability Rating | UL 94 V-0 | |
| Moisture Sensitivity Level | MSL level 1 (according J-STD-020) | |
| Soldering Conditions | Peak temperature max. 260 °C | °C |
Key Features
- Silicon planar Zener diodes with Zener voltages graded according to the international E24 standard.
- AEC-Q101 qualified versions available for automotive applications.
- RoHS-compliant and commercial grade options.
- High ESD capability: human body model > 8 kV, machine model > 800 V.
- Low dynamic resistance and stable temperature coefficient.
- Compact SOT-23 package with low weight and high reliability.
- UL 94 V-0 flammability rating and MSL level 1 moisture sensitivity.
Applications
- Voltage regulation and stabilization in electronic circuits.
- Signal limiting and clamping in various electronic systems.
- Automotive systems, including power conversion for LED headlights, dashboard displays, and electronic control units (ECUs).
- Consumer electronics, lighting, telecommunications equipment, computers, and industrial applications.
- Circuit protection against voltage spikes and transients.
Q & A
- What is the BZX84C43-E3-18 used for?
The BZX84C43-E3-18 is used for voltage regulation and stabilization in electronic circuits.
- What is the Zener voltage range of the BZX84C43-E3-18?
The Zener voltage range is 42.1 to 43.9 V.
- What is the test current (IZT) for the BZX84C43-E3-18?
The test current (IZT) is 5 mA.
- Is the BZX84C43-E3-18 AEC-Q101 qualified?
Yes, AEC-Q101 qualified versions are available for automotive applications.
- What is the power dissipation (Ptot) of the BZX84C43-E3-18?
The power dissipation (Ptot) is 300 mW.
- What is the thermal resistance (RthJA) of the BZX84C43-E3-18?
The thermal resistance (RthJA) is 420 K/W.
- What is the junction temperature (Tj) of the BZX84C43-E3-18?
The junction temperature (Tj) is 150 °C.
- What is the storage temperature range (Tstg) of the BZX84C43-E3-18?
The storage temperature range (Tstg) is -65 to +150 °C.
- What package type is used for the BZX84C43-E3-18?
The package type is SOT-23.
- Is the BZX84C43-E3-18 RoHS-compliant?
Yes, the BZX84C43-E3-18 is RoHS-compliant.
