Overview
The BZX84C18ET3G is a Zener diode manufactured by ON Semiconductor, 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 BZX84C18ET3G is particularly useful in cellular phones, handheld portables, and high-density PC boards due to its small package size and robust performance characteristics.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage - Zener (Nom) (Vz) | 18V |
| Tolerance | ±6% |
| Power - Max | 225mW |
| Impedance (Max) (Zzt) | 45 Ohms |
| Current - Reverse Leakage @ Vr | 50nA @ 12.6V |
| Voltage - Forward (Vf) (Max) @ If | 900mV @ 10mA |
| Operating Temperature | -55°C ~ 150°C |
| Mounting Type | Surface Mount |
| Package / Case | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | SOT-23-3 (TO-236) |
Key Features
- Compact SOT-23 package for high-density applications.
- Voltage regulation with a nominal Zener voltage of 18V and a tolerance of ±6%.
- Maximum power dissipation of 225mW.
- Low reverse leakage current of 50nA at 12.6V.
- Forward voltage drop of 900mV at 10mA.
- Operating temperature range from -55°C to 150°C.
- ESD rating of Class 3 (>16 KV) per Human Body Model.
- Designed for optimal automated board assembly.
Applications
The BZX84C18ET3G is suitable for various applications, including:
- Cellular phones and other mobile devices.
- Handheld portables and other compact electronic devices.
- High-density PC boards and other space-constrained designs.
- Voltage regulation and waveform clipping in electronic circuits.
- MOSFET gate protection.
- General usage in a wide range of electronic products.
Q & A
- What is the nominal Zener voltage of the BZX84C18ET3G?
The nominal Zener voltage is 18V with a tolerance of ±6%. - What is the maximum power dissipation of the BZX84C18ET3G?
The maximum power dissipation is 225mW. - What is the package type of the BZX84C18ET3G?
The package type is SOT-23-3 (TO-236). - What is the operating temperature range of the BZX84C18ET3G?
The operating temperature range is from -55°C to 150°C. - What are some typical applications for the BZX84C18ET3G?
Typical applications include cellular phones, handheld portables, high-density PC boards, and general voltage regulation. - What is the forward voltage drop of the BZX84C18ET3G at 10mA?
The forward voltage drop is 900mV at 10mA. - What is the reverse leakage current of the BZX84C18ET3G at 12.6V?
The reverse leakage current is 50nA at 12.6V. - Does the BZX84C18ET3G have any special ESD protection?
Yes, it has an ESD rating of Class 3 (>16 KV) per Human Body Model. - Is the BZX84C18ET3G suitable for automated board assembly?
Yes, it is designed for optimal automated board assembly. - What is the impedance (Zzt) of the BZX84C18ET3G?
The impedance (Zzt) is 45 Ohms.
