Overview
The BZX84C3V9ET1 is a silicon planar Zener diode produced by onsemi, designed for voltage regulation in various electronic applications. This device is part of the BZX84 series, which is known for its high reliability and performance in compact, surface-mount packages. The BZX84C3V9ET1 is specifically rated for a Zener voltage of 3.9V with a tolerance of ±5%, making it suitable for applications requiring stable voltage regulation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) | 3.7 to 4.1 | V |
| Test Current (IZT) | 2 mA | mA |
| Power Dissipation (Pd) | 250 mW | mW |
| Reverse Leakage Current (IR) | 0.1 μA @ VR = 1 V | μA |
| Dynamic Resistance (ZZT) | 90 Ω @ IZT = 2 mA | Ω |
| Temperature Coefficient (αVZ) | -3.5 to -2.5 x 10^-4/°C | 10^-4/°C |
| Operating Temperature Range (Top) | -55 to +150 °C | °C |
| Storage Temperature Range (Tstg) | -65 to +150 °C | °C |
| Package Type | SOT-23 (TO-236) | |
| ESD Rating | Class 3 (> 16 kV) per Human Body Model | |
| RoHS Compliance | Yes |
Key Features
- Silicon planar Zener diode in a compact SOT-23 surface-mount package, ideal for high-density applications.
- Zener voltage range of 3.9V with ±5% tolerance, ensuring stable voltage regulation.
- High power dissipation rating of 250 mW, suitable for various power requirements.
- Low dynamic resistance of 90 Ω at 2 mA test current, enhancing voltage regulation stability.
- AEC-Q101 qualified for automotive and other demanding applications.
- ESD rating of Class 3 (> 16 kV) per Human Body Model, providing robust protection against electrostatic discharge.
- Wide operating temperature range from -55 to +150 °C, ensuring reliability in diverse environments.
Applications
- Cellular phones and other handheld portable devices due to its compact size and high performance.
- High-density PC boards where space is limited and reliable voltage regulation is crucial.
- Automotive applications, as it is AEC-Q101 qualified, ensuring it meets the stringent requirements of the automotive industry.
- Voltage regulation circuits in various electronic devices where stable voltage is essential.
Q & A
- What is the Zener voltage of the BZX84C3V9ET1?
The Zener voltage of the BZX84C3V9ET1 is 3.9V with a tolerance of ±5%.
- What is the power dissipation rating of the BZX84C3V9ET1?
The power dissipation rating is 250 mW.
- What is the package type of the BZX84C3V9ET1?
The package type is SOT-23 (TO-236).
- Is the BZX84C3V9ET1 RoHS compliant?
Yes, the BZX84C3V9ET1 is RoHS compliant.
- What is the operating temperature range of the BZX84C3V9ET1?
The operating temperature range is from -55 to +150 °C.
- What is the ESD rating of the BZX84C3V9ET1?
The ESD rating is Class 3 (> 16 kV) per Human Body Model.
- Is the BZX84C3V9ET1 suitable for automotive applications?
Yes, it is AEC-Q101 qualified, making it suitable for automotive and other demanding applications.
- What are some common applications of the BZX84C3V9ET1?
Common applications include cellular phones, handheld portables, high-density PC boards, and voltage regulation circuits.
- What is the dynamic resistance of the BZX84C3V9ET1 at 2 mA test current?
The dynamic resistance is 90 Ω at 2 mA test current.
- What is the storage temperature range of the BZX84C3V9ET1?
The storage temperature range is from -65 to +150 °C.
