Overview
The BZV55B18 L1G is a small signal Zener diode produced by Taiwan Semiconductor Corporation. This component is part of the BZV55B series, which is known for its high stability and protection against junction contamination. The BZV55B18 L1G is specifically designed to operate at a nominal Zener voltage of 18 volts with a power dissipation of 500 mW. It is packaged in a mini-MELF (Metal Electrode Leadless Face) package, making it suitable for surface mount applications where space is limited.
Key Specifications
| Parameter | Min | Nom | Max | Unit |
|---|---|---|---|---|
| Zener Voltage (VZ) | 17.64 | 18 | 18.36 | V |
| Power Dissipation (PD) | 500 | mW | ||
| Forward Voltage (VF) | 1.0 | V @ IF = 100 mA | ||
| Reverse Current (IR) | 10 | μA @ VR = 18 V | ||
| Storage Temperature Range | -65 | 175 | °C | |
| Package Type | Mini-MELF |
Key Features
- High Stability: The BZV55B18 L1G offers high stability and reliability, making it suitable for a wide range of applications.
- Protection Against Junction Contamination: This diode is designed with features that protect against junction contamination, ensuring long-term performance.
- Mini-MELF Package: The mini-MELF package is ideal for surface mount applications where space is limited, providing a compact solution without compromising performance.
- Low Forward Voltage: With a maximum forward voltage of 1.0V at IF = 100 mA, this diode minimizes power losses in forward bias conditions.
- Low Reverse Current: The diode has a low reverse current, which is beneficial for applications requiring minimal leakage current.
Applications
- Voltage Regulation: The BZV55B18 L1G is commonly used in voltage regulation circuits to provide a stable reference voltage.
- Overvoltage Protection: It can be used to protect electronic circuits from overvoltage conditions by clamping the voltage to a safe level.
- Signal Processing: This diode is suitable for signal processing applications where a stable voltage reference is required.
- Power Supplies: It can be used in power supply circuits to regulate output voltages and provide protection against voltage spikes.
Q & A
- What is the nominal Zener voltage of the BZV55B18 L1G?
The nominal Zener voltage of the BZV55B18 L1G is 18 volts.
- What is the power dissipation rating of the BZV55B18 L1G?
The power dissipation rating is 500 mW.
- What type of package does the BZV55B18 L1G come in?
The BZV55B18 L1G comes in a mini-MELF (Metal Electrode Leadless Face) package.
- What is the maximum forward voltage of the BZV55B18 L1G?
The maximum forward voltage is 1.0V at IF = 100 mA.
- What is the storage temperature range for the BZV55B18 L1G?
The storage temperature range is -65°C to +175°C.
- What are some common applications of the BZV55B18 L1G?
Common applications include voltage regulation, overvoltage protection, signal processing, and power supplies.
- How does the BZV55B18 L1G protect against junction contamination?
The diode is designed with features that protect against junction contamination, ensuring long-term performance and reliability.
- What is the reverse current of the BZV55B18 L1G at 18V?
The reverse current is typically 10 μA at VR = 18 V.
- Is the BZV55B18 L1G suitable for surface mount applications?
Yes, the mini-MELF package makes it ideal for surface mount applications where space is limited.
- Where can I find detailed specifications and datasheets for the BZV55B18 L1G?
Detailed specifications and datasheets can be found on the manufacturer's website, as well as through authorized distributors like Mouser Electronics and Digi-Key.
