Overview
The BZX84B12-E3-18 is a small signal Zener diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the BZX84 series, which offers a wide range of Zener voltages graded according to the international E24 standard. The BZX84B12-E3-18 is specifically designed with a nominal Zener voltage of 12 volts and a tolerance of ±2%. It is RoHS-compliant and AEC-Q101 qualified, making it suitable for automotive and industrial applications. The diode is packaged in a SOT-23-3 case, which is compact and suitable for surface mount technology.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Zener (Nom) | 12 | V |
| Tolerance | ±2% | - |
| Power - Max | 300 | mW |
| Impedance (Max) (Zzt) | 55 | Ohms |
| Current - Reverse Leakage @ Vr | 50 nA @ 10.4 V | - |
| Operating Temperature | -55°C to +150°C | - |
| Package / Case | SOT-23-3 | - |
| Mounting Type | Surface Mount | - |
| Thermal Resistance Junction to Ambient Air | 420 K/W | - |
| Junction Temperature | 150°C | - |
| Storage Temperature Range | -65°C to +150°C | - |
Key Features
- Silicon planar Zener diodes with a wide range of Zener voltages (2.4 V to 75 V) graded according to the international E24 standard.
- Available with ±2% or ±5% tolerance, indicated by 'B' or 'C' in the ordering code, respectively.
- AEC-Q101 qualified for automotive applications.
- RoHS-compliant and suitable for commercial and industrial use.
- High ESD capability: human body model > 8 kV, machine model > 800 V.
- Compact SOT-23-3 package suitable for surface mount technology.
- Low thermal resistance and high power dissipation capability (300 mW).
Applications
- Voltage regulation and stabilization in electronic circuits.
- Overvoltage protection in various electronic devices.
- Automotive systems requiring AEC-Q101 qualified components.
- Industrial control systems and power supplies.
- Consumer electronics requiring reliable voltage regulation.
Q & A
- What is the nominal Zener voltage of the BZX84B12-E3-18?
The nominal Zener voltage is 12 volts.
- What is the tolerance of the BZX84B12-E3-18 Zener diode?
The tolerance is ±2%.
- What is the maximum power dissipation of the BZX84B12-E3-18?
The maximum power dissipation is 300 mW.
- What is the operating temperature range of the BZX84B12-E3-18?
The operating temperature range is -55°C to +150°C.
- Is the BZX84B12-E3-18 RoHS-compliant?
- What is the package type of the BZX84B12-E3-18?
The package type is SOT-23-3.
- What are the typical applications of the BZX84B12-E3-18?
Typical applications include voltage regulation, overvoltage protection, and use in automotive and industrial systems.
- Is the BZX84B12-E3-18 AEC-Q101 qualified?
- What is the thermal resistance junction to ambient air for the BZX84B12-E3-18?
The thermal resistance junction to ambient air is 420 K/W.
- What is the storage temperature range for the BZX84B12-E3-18?
The storage temperature range is -65°C to +150°C.
