Overview
The BZX84C27-HE3-18 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 BZX84C27-HE3-18 is specifically designed for applications requiring voltage regulation and stabilization. It is RoHS-compliant and AEC-Q101 qualified, making it suitable for both commercial and automotive applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage Range | 2.7 - 2.9 | V |
| Test Current (IZT) | 5 mA | mA |
| Reverse Leakage Current (IR) | ≤ 20 μA | μA |
| Dynamic Resistance (ZZ) | 600 Ω | Ω |
| Temperature Coefficient (αVZ) | -9 to -4 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 |
| Package | SOT-23-3 |
Key Features
- RoHS-compliant and AEC-Q101 qualified, ensuring reliability in both commercial and automotive applications.
- Zener voltages graded according to the international E24 standard with a standard tolerance of ± 5%.
- Low dynamic resistance and stable temperature coefficient.
- High power dissipation capability of 300 mW.
- Compact SOT-23-3 package, suitable for surface mount applications.
- Wide operating temperature range from -55 °C to +150 °C.
Applications
- Voltage regulation and stabilization in electronic circuits.
- Overvoltage protection in various electronic devices.
- Signal clipping and clamping in audio and video circuits.
- Automotive systems requiring reliable voltage regulation.
- Industrial control systems and power supplies.
Q & A
- What is the Zener voltage range of the BZX84C27-HE3-18?
The Zener voltage range is 2.7 to 2.9 volts.
- What is the test current (IZT) for this diode?
The test current (IZT) is 5 mA.
- What is the maximum power dissipation of the BZX84C27-HE3-18?
The maximum power dissipation is 300 mW.
- What is the operating temperature range of this diode?
The operating temperature range is from -55 °C to +150 °C.
- Is the BZX84C27-HE3-18 RoHS-compliant?
- What package type is used for the BZX84C27-HE3-18?
The package type is SOT-23-3.
- What is the thermal resistance (RthJA) of this diode?
The thermal resistance (RthJA) is 420 K/W.
- What are some common applications for the BZX84C27-HE3-18?
Common applications include voltage regulation, overvoltage protection, signal clipping, and automotive systems.
- What is the dynamic resistance (ZZ) of the BZX84C27-HE3-18?
The dynamic resistance (ZZ) is 600 Ω.
- What is the reverse leakage current (IR) of this diode?
The reverse leakage current (IR) is ≤ 20 μA.
