Overview
The BZX79-C18,143 is a low-power voltage regulator diode produced by Nexperia USA Inc. This component is part of the BZX79 series and is designed to provide stable voltage regulation in various electronic circuits. The diode is housed in a hermetically sealed leaded glass SOD27 (DO-35) package, ensuring reliability and durability. It is available with a normalized E24 tolerance of ±5%.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage - Zener (Nom) (Vz) | 18 | V |
| Voltage Tolerance | ±5% | - |
| Power - Max | 400 | mW |
| Current - Reverse Leakage @ Vr | 50 nA @ 10.5 V | - |
| Voltage - Forward (Vf) (Max) @ If | 900 mV @ 10 mA | - |
| Operating Temperature | -65°C to 200°C | - |
| Package / Case | SOD27 (DO-35) | - |
| Mounting Type | Through Hole | - |
Key Features
- Low Reverse Current Leakage: The BZX79-C18,143 has a very low reverse current leakage, making it suitable for applications requiring minimal current draw in the reverse direction.
- High Reverse Voltage Tolerance: With a tolerance of ±5%, this diode offers reliable voltage regulation across a range of operating conditions.
- Hermetically Sealed Package: The SOD27 (DO-35) package ensures the diode is protected from environmental factors, enhancing its reliability and lifespan.
- Broad Operating Temperature Range: The diode can operate within a temperature range of -65°C to 200°C, making it versatile for various applications.
Applications
- Voltage Regulation: The BZX79-C18,143 is primarily used for voltage regulation in electronic circuits, ensuring a stable voltage output despite input voltage fluctuations.
- Overvoltage Protection: It can be used to protect circuits from overvoltage conditions by clamping the voltage to a safe level.
- Signal Conditioning: The diode can be used in signal conditioning circuits to stabilize and regulate signal voltages.
- Power Supplies: It is suitable for use in power supply circuits to provide a stable reference voltage.
Q & A
- What is the nominal zener voltage of the BZX79-C18,143?
The nominal zener voltage is 18 V.
- What is the maximum power dissipation of the BZX79-C18,143?
The maximum power dissipation is 400 mW.
- What is the package type of the BZX79-C18,143?
The package type is SOD27 (DO-35).
- What is the operating temperature range of the BZX79-C18,143?
The operating temperature range is -65°C to 200°C.
- What is the forward voltage drop of the BZX79-C18,143 at 10 mA?
The forward voltage drop is approximately 900 mV at 10 mA.
- What is the reverse current leakage of the BZX79-C18,143 at 10.5 V?
The reverse current leakage is 50 nA at 10.5 V.
- Is the BZX79-C18,143 suitable for overvoltage protection?
Yes, it can be used for overvoltage protection by clamping the voltage to a safe level.
- Can the BZX79-C18,143 be used in power supply circuits?
Yes, it is suitable for use in power supply circuits to provide a stable reference voltage.
- What is the tolerance of the zener voltage for the BZX79-C18,143?
The tolerance is ±5%.
- Is the BZX79-C18,143 hermetically sealed?
Yes, the diode is hermetically sealed in a leaded glass SOD27 (DO-35) package.
