Overview
The BZX84C18T-7-F is a Zener diode produced by Diodes Incorporated, designed to provide voltage regulation in a variety of electronic circuits. This component is part of the BZX84 series, known for its high reliability and stability. The BZX84C18T-7-F is specifically rated for a nominal Zener voltage of 18 volts, making it suitable for applications requiring precise voltage regulation at this level.
Key Specifications
| Parameter | Value |
|---|---|
| Nominal Zener Voltage (V_Z) | 18 V |
| Minimum Zener Voltage (V_Z Min) | 17.1 V |
| Maximum Zener Voltage (V_Z Max) | 18.9 V |
| Test Current (I_ZT) | 5 mA |
| Maximum Zener Impedance (Z_ZT) | 90 Ω |
| Maximum Reverse Current (I_R) | 1 μA at V_R = 15 V |
| Temperature Coefficient of Zener Voltage | -3.5 mV/°C |
| Case Type | SOT-523 |
| Case Material | Molded Plastic |
| UL Flammability Classification | 94V-0 |
| Moisture Sensitivity Level | Level 1 per J-STD-020D |
Key Features
- High stability and reliability in voltage regulation.
- Nominal Zener voltage of 18 volts, with tight voltage tolerance.
- Low maximum Zener impedance for efficient voltage regulation.
- Compact SOT-523 package, suitable for space-constrained designs.
- UL flammability classification 94V-0 and moisture sensitivity level 1 per J-STD-020D.
Applications
The BZX84C18T-7-F is versatile and can be used in various applications requiring stable voltage regulation, such as:
- Voltage reference circuits.
- Overvoltage protection.
- Signal clipping and clamping.
- Power supply regulation.
- Automotive and industrial control systems.
Q & A
- What is the nominal Zener voltage of the BZX84C18T-7-F?
The nominal Zener voltage is 18 volts. - What is the maximum Zener impedance of the BZX84C18T-7-F?
The maximum Zener impedance is 90 Ω. - What is the test current for the Zener voltage specification?
The test current is 5 mA. - What is the temperature coefficient of the Zener voltage?
The temperature coefficient is -3.5 mV/°C. - What is the case type and material of the BZX84C18T-7-F?
The case type is SOT-523, and the material is molded plastic. - What is the UL flammability classification of the BZX84C18T-7-F?
The UL flammability classification is 94V-0. - What is the moisture sensitivity level of the BZX84C18T-7-F?
The moisture sensitivity level is Level 1 per J-STD-020D. - In what types of applications is the BZX84C18T-7-F commonly used?
It is commonly used in voltage reference circuits, overvoltage protection, signal clipping and clamping, power supply regulation, and automotive and industrial control systems. - What are the benefits of using the BZX84C18T-7-F in voltage regulation applications?
The benefits include high stability, reliability, and a compact package size. - How does the BZX84C18T-7-F handle temperature variations?
The component has a temperature coefficient of -3.5 mV/°C, indicating how the Zener voltage changes with temperature.
