Overview
The BZX84C18S-7 is a silicon planar Zener diode produced by Diodes Incorporated. This component is part of the BZX84 series, which is known for its high reliability and stability in voltage regulation applications. The BZX84C18S-7 is specifically designed to provide a nominal Zener voltage of 18 volts, making it suitable for a variety of electronic circuits that require precise voltage regulation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Nominal Zener Voltage (VZ) | 18 | V |
| Test Current (IZT) | 5 mA | mA |
| Reverse Leakage Current (IR) | 1 μA | μA |
| Dynamic Resistance (ZZT) | 100 Ω | Ω |
| Temperature Coefficient of Zener Voltage | -3.5 to 0 mV/°C | mV/°C |
| Operating Temperature Range | -55 to +150 °C | °C |
| Storage Temperature Range | -65 to +150 °C | °C |
| Power Dissipation (PD) | 200 mW | mW |
| Thermal Resistance, Junction to Ambient Air (RθJA) | 625 °C/W | °C/W |
| Package | SOT-23 | |
| Moisture Sensitivity Level | Level 1 per J-STD-020D | |
| Flammability Rating | UL 94 V-0 |
Key Features
- Silicon Planar Zener Diodes: The BZX84C18S-7 is a silicon planar Zener diode, offering high stability and reliability in voltage regulation.
- ESD Capability: Compliant with AEC-Q101, it has human body model ESD capability of > 8 kV and machine model ESD capability of > 800 V.
- AEC-Q101 Qualified: Available in AEC-Q101 qualified versions, making it suitable for automotive applications.
- RoHS Compliant: The device is RoHS compliant, ensuring it meets environmental standards.
- Precision Voltage Regulation: The Zener voltage is graded according to the international E24 standard, providing precise voltage regulation.
- Compact Package: Housed in a SOT-23 package, it is ideal for space-constrained applications.
Applications
- Voltage Regulation: The BZX84C18S-7 is widely used in voltage regulation circuits to stabilize voltage levels.
- Overvoltage Protection: It can be used to protect electronic circuits from overvoltage conditions.
- Automotive Electronics: AEC-Q101 qualified versions make it suitable for use in automotive electronics.
- Consumer Electronics: It is used in various consumer electronic devices that require stable voltage regulation.
- Industrial Control Systems: The diode can be used in industrial control systems to ensure stable voltage supplies.
Q & A
- What is the nominal Zener voltage of the BZX84C18S-7?
The nominal Zener voltage of the BZX84C18S-7 is 18 volts.
- What is the test current for the BZX84C18S-7?
The test current (IZT) for the BZX84C18S-7 is 5 mA.
- What is the operating temperature range of the BZX84C18S-7?
The operating temperature range is -55 to +150 °C.
- Is the BZX84C18S-7 RoHS compliant?
Yes, the BZX84C18S-7 is RoHS compliant.
- What is the power dissipation rating of the BZX84C18S-7?
The power dissipation (PD) rating is 200 mW.
- What package type is the BZX84C18S-7 available in?
The BZX84C18S-7 is housed in a SOT-23 package.
- Does the BZX84C18S-7 have ESD protection?
Yes, it has ESD capability compliant with AEC-Q101 standards.
- What are the typical applications of the BZX84C18S-7?
It is used in voltage regulation, overvoltage protection, automotive electronics, consumer electronics, and industrial control systems.
- What is the moisture sensitivity level of the BZX84C18S-7?
The moisture sensitivity level is Level 1 per J-STD-020D.
- What is the flammability rating of the BZX84C18S-7?
The flammability rating is UL 94 V-0.
