Overview
The BZX55C15 is a zener diode produced by Fairchild Semiconductor, now part of ON Semiconductor. This component is part of the BZX55C series, which offers a range of zener voltages suitable for various voltage regulation and protection applications. The BZX55C15 is specifically designed to provide a stable voltage reference and can be used in circuits requiring a 15V zener voltage.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Zener Voltage (VZ) @ IZ | 13.8 - 15.6 | V |
| Test Current (IZ) | 5 mA | mA |
| Maximum Zener Current (IZM) | 30 mA | mA |
| Reverse Current (IR) @ VR | 0.1 μA @ 12.4 V | μA @ V |
| Power Dissipation (PD) | 500 mW @ TL ≤ 75°C | mW |
| Derate above 75°C | 4.0 mW/°C | mW/°C |
| Operating and Storage Temperature Range | -65 to +200 | °C |
| Maximum Impedance (ZZ) @ IZ | 30 Ω | Ω |
| Tolerance | ±6% | % |
Key Features
- Stable Zener Voltage: The BZX55C15 provides a stable zener voltage of 15V, making it suitable for voltage regulation applications.
- High Power Dissipation: With a power dissipation of 500 mW at temperatures up to 75°C, this diode can handle moderate power requirements.
- Broad Operating Temperature Range: The component operates within a temperature range of -65°C to +200°C, making it versatile for various environmental conditions.
- Low Reverse Current: The diode has a low reverse current of 0.1 μA at 12.4 V, reducing leakage current in circuits.
- Compact DO-35 Glass Case: The diode is packaged in a DO-35 glass case, which is compact and suitable for a wide range of applications.
Applications
- Voltage Regulation: The BZX55C15 is commonly used in voltage regulator circuits to provide a stable reference voltage.
- 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 often used in power supply circuits to regulate output voltages and ensure stability.
Q & A
- What is the zener voltage of the BZX55C15?
The zener voltage of the BZX55C15 is between 13.8V and 15.6V.
- What is the maximum power dissipation of the BZX55C15?
The maximum power dissipation is 500 mW at temperatures up to 75°C.
- What is the operating temperature range of the BZX55C15?
The operating temperature range is -65°C to +200°C.
- What is the tolerance of the zener voltage for the BZX55C15?
The tolerance is ±6%.
- What is the maximum impedance of the BZX55C15?
The maximum impedance is 30 Ω.
- What type of package does the BZX55C15 come in?
The BZX55C15 comes in a DO-35 glass case.
- What are common applications for the BZX55C15?
Common applications include voltage regulation, overvoltage protection, signal conditioning, and power supplies.
- What is the reverse current of the BZX55C15 at 12.4V?
The reverse current is 0.1 μA at 12.4V.
- How does the power dissipation derate above 75°C?
The power dissipation derates by 4.0 mW/°C above 75°C.
- What is the test current for the zener voltage measurement?
The test current is 5 mA.
