Overview
The BZX84C18VLFHT116 is a silicon planar Zener diode produced by ROHM Semiconductor. This component is part of the BZX84 series, known for its high reliability and compact design. It is specifically designed for voltage regulation and protection in various electronic circuits. The BZX84C18VLFHT116 is packaged in a surface-mount SSD3 (SOT-23) package, making it suitable for modern PCB designs that require minimal space.
Key Specifications
| Parameter | Value |
|---|---|
| Zener Voltage | 17.95 V ±6.41% |
| Power Dissipation | 250 mW |
| Test Current (IZT) | 2 mA |
| Reverse Leakage Current (IR) | 0.05 μA (at VR = 16 V) |
| Dynamic Resistance (ZZ) | Typically around 80 Ω at IZT = 2 mA |
| Temperature Coefficient | Typically around 8 to 10 x 10^-4/°C |
| Operating Temperature Range | -55 °C to +150 °C |
| Storage Temperature Range | -65 °C to +150 °C |
| Package | SSD3 (SOT-23) |
| Moisture Sensitivity Level | MSL level 1 (according to J-STD-020) |
| Soldering Conditions | Peak temperature max. 260 °C |
Key Features
- Silicon planar Zener diode with high reliability and stability.
- Zener voltages graded according to the international E24 standard.
- Compact SSD3 (SOT-23) surface-mount package for space-saving designs.
- Low dynamic resistance and minimal temperature coefficient for stable voltage regulation.
- High power dissipation capability of 250 mW.
- AEC-Q101 qualified for automotive applications, ensuring robust performance under various conditions.
Applications
The BZX84C18VLFHT116 is suitable for a variety of applications, including:
- Voltage regulation and stabilization in power supplies and electronic circuits.
- Overvoltage protection in automotive, industrial, and consumer electronics.
- Signal clipping and clamping in audio and communication systems.
- Surge protection and transient voltage suppression.
Q & A
- What is the Zener voltage of the BZX84C18VLFHT116? The Zener voltage is 17.95 V with a tolerance of ±6.41%.
- What is the power dissipation capability of this diode? The power dissipation capability is 250 mW.
- What is the package type of the BZX84C18VLFHT116? It is packaged in an SSD3 (SOT-23) surface-mount package.
- What is the operating temperature range of this component? The operating temperature range is -55 °C to +150 °C.
- Is the BZX84C18VLFHT116 AEC-Q101 qualified? Yes, it is AEC-Q101 qualified, making it suitable for automotive applications.
- What is the moisture sensitivity level of this component? The moisture sensitivity level is MSL level 1 according to J-STD-020.
- What is the peak soldering temperature for this diode? The peak soldering temperature is 260 °C.
- What are some common applications of the BZX84C18VLFHT116? Common applications include voltage regulation, overvoltage protection, signal clipping, and surge protection.
- What is the dynamic resistance of the BZX84C18VLFHT116? The dynamic resistance is typically around 80 Ω at IZT = 2 mA.
- What is the reverse leakage current of this diode? The reverse leakage current is 0.05 μA at VR = 16 V.
