Overview
The BZX84-C18/DG/B3,21 is a Zener diode manufactured by Nexperia USA Inc. This component is designed to provide voltage regulation and protection in various electronic circuits. It is part of the BZX84 series, known for its reliability and wide range of voltage options. The BZX84-C18/DG/B3,21 specifically offers a nominal Zener voltage of 17.95 V, making it suitable for applications requiring precise voltage stabilization.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage - Zener (Nom) (Vz) | 17.95 V |
| Tolerance | ±5% |
| Power - Max | 250 mW |
| Impedance (Max) (Zzt) | 45 Ohms |
| Current - Reverse Leakage @ Vr | 50 nA @ 12.6 V |
| Voltage - Forward (Vf) (Max) @ If | 900 mV @ 10 mA |
| Operating Temperature | -65°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Package/Case | TO-236AB |
Key Features
- Precision Voltage Regulation: The BZX84-C18/DG/B3,21 provides a precise nominal Zener voltage of 17.95 V with a tolerance of ±5%, ensuring stable voltage regulation in various applications.
- Low Power Dissipation: With a maximum power dissipation of 250 mW, this diode is suitable for low to moderate power applications.
- Low Reverse Leakage Current: The diode has a low reverse leakage current of 50 nA at 12.6 V, which is beneficial for minimizing power consumption in standby modes.
- Compact Package: The TO-236AB package is compact and suitable for surface mount applications, making it ideal for modern PCB designs.
- Wide Operating Temperature Range: The diode operates over a wide temperature range from -65°C to 150°C, making it versatile for various environmental conditions.
Applications
- Voltage Regulation: The BZX84-C18/DG/B3,21 is commonly used in voltage regulator circuits to provide stable output voltages.
- Overvoltage Protection: It can be used to protect electronic circuits from overvoltage conditions by clamping the voltage to a safe level.
- Signal Conditioning: This diode can be used in signal conditioning circuits to stabilize and regulate signal voltages.
- Power Supplies: It is often used in power supply circuits to ensure stable output voltages and protect against voltage spikes.
Q & A
- What is the nominal Zener voltage of the BZX84-C18/DG/B3,21?
The nominal Zener voltage is 17.95 V. - What is the tolerance of the BZX84-C18/DG/B3,21?
The tolerance is ±5%. - What is the maximum power dissipation of the BZX84-C18/DG/B3,21?
The maximum power dissipation is 250 mW. - What is the package type of the BZX84-C18/DG/B3,21?
The package type is TO-236AB. - What is the operating temperature range of the BZX84-C18/DG/B3,21?
The operating temperature range is -65°C to 150°C (TJ). - What is the reverse leakage current of the BZX84-C18/DG/B3,21 at 12.6 V?
The reverse leakage current is 50 nA at 12.6 V. - What is the forward voltage drop of the BZX84-C18/DG/B3,21 at 10 mA?
The forward voltage drop is 900 mV at 10 mA. - Is the BZX84-C18/DG/B3,21 suitable for surface mount applications?
Yes, it is suitable for surface mount applications. - What are common applications of the BZX84-C18/DG/B3,21?
Common applications include voltage regulation, overvoltage protection, signal conditioning, and power supplies. - Where can I find the datasheet for the BZX84-C18/DG/B3,21?
You can find the datasheet on the Nexperia website or through authorized distributors like Avaq or Lyn-Team.
