Overview
The BZX84C3V9 is a Zener diode produced by onsemi, designed to provide voltage regulation in compact, surface-mount packages. This device is part of the BZX84 series, which is well-suited for applications requiring minimal space and high reliability. The BZX84C3V9 is particularly useful in cellular phones, handheld portables, and high-density PC boards due to its small package size and optimal automated board assembly design.
Key Specifications
| Parameter | Value |
|---|---|
| Current (Reverse Leakage @ Vr) | 5 µA @ 1 V |
| Impedance (Max) (Zzt) | 90 Ohms |
| Mounting Type | Surface Mount |
| Operating Temperature | -55°C ~ 150°C |
| Package | TO-236-3, SC-59, SOT-23-3 |
| Power (Max) | 350 mW |
| Tolerance | ±5% |
| Voltage - Zener (Nom) (Vz) | 3.9 V |
| Voltage - Forward (Vf) (Max) @ If | 900 mV @ 10 mA |
Key Features
- Voltage regulation with minimum space requirement
- Surface mount plastic SOT-23 package for high density applications
- ESD rating of Class 3 (>16 KV) per Human Body Model
- Pb-Free packages available
- AEC-Q101 Qualified and PPAP Capable
- Corrosion resistant finish, easily solderable
- Flammability rating: UL94 V-0
Applications
- Cellular phones
- Handheld portables
- High density PC boards
- Voltage regulation
- Waveform clipping
- MOSFET gate protection
- General usage in various end products
Q & A
- What is the primary function of the BZX84C3V9 Zener diode?
The primary function of the BZX84C3V9 is to provide voltage regulation in electronic circuits.
- What is the operating temperature range of the BZX84C3V9?
The operating temperature range is -55°C to 150°C.
- What package types are available for the BZX84C3V9?
The device is available in TO-236-3, SC-59, and SOT-23-3 packages.
- What is the maximum power dissipation of the BZX84C3V9?
The maximum power dissipation is 350 mW.
- Is the BZX84C3V9 ESD protected?
Yes, it has an ESD rating of Class 3 (>16 KV) per Human Body Model.
- What are some common applications of the BZX84C3V9?
Common applications include cellular phones, handheld portables, and high-density PC boards.
- Is the BZX84C3V9 Pb-Free?
Yes, Pb-Free packages are available.
- What is the tolerance of the BZX84C3V9 Zener voltage?
The tolerance is ±5%.
- What is the forward voltage drop (Vf) of the BZX84C3V9 at 10 mA?
The forward voltage drop is 900 mV at 10 mA.
- Is the BZX84C3V9 AEC-Q101 Qualified?
Yes, it is AEC-Q101 Qualified and PPAP Capable.
