Overview
The BZX55C3V3 is a zener diode from Fairchild Semiconductor, part of the BZX55C series. This diode is designed to provide voltage regulation and is widely used in various electronic circuits to stabilize voltage levels. The BZX55C3V3 has a nominal zener voltage of 3.3 volts and is packaged in a DO-35 glass case, making it suitable for a range of applications requiring precise voltage control.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| VZ (Zener Voltage) @ IZ | 3.1 - 3.4 | V |
| ZZ (Zener Impedance) @ IZ | 85 | Ω |
| IZ (Test Current) | 5.0 | mA |
| IR (Reverse Current) @ VR | 40 | μA |
| IZM (Maximum Zener Current) | 600 | mA |
| PD (Power Dissipation) | 500 | mW |
| TJ (Maximum Junction Operating Temperature) | +200 | °C |
| TSTG (Storage Temperature Range) | -65 to +200 | °C |
| VF (Forward Voltage) @ IF | 1.0 V Max. @ 100 mA | V |
Key Features
- Precision Voltage Regulation: The BZX55C3V3 provides a stable zener voltage of 3.3 volts, making it ideal for voltage regulation applications.
- High Power Dissipation: With a power dissipation of 500 mW, this diode can handle moderate power requirements.
- Wide Operating Temperature Range: The diode operates within a temperature range of -65°C to +200°C, ensuring reliability in various environmental conditions.
- Low Reverse Current: The diode has a low reverse current of 40 μA, minimizing leakage current and enhancing overall circuit efficiency.
- Compact DO-35 Package: The glass case packaging is compact and suitable for a variety of applications where space is limited.
Applications
- Voltage Regulation: The BZX55C3V3 is commonly used in voltage regulator circuits to provide a stable output voltage.
- Overvoltage Protection: It can be used to protect electronic 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 the output voltage and ensure stability.
- Audio and Video Equipment: The diode can be used in audio and video equipment to regulate voltages and protect against voltage spikes.
Q & A
- What is the nominal zener voltage of the BZX55C3V3?
The nominal zener voltage of the BZX55C3V3 is 3.3 volts.
- What is the maximum power dissipation of the BZX55C3V3?
The maximum power dissipation is 500 mW.
- What is the operating temperature range of the BZX55C3V3?
The operating temperature range is -65°C to +200°C.
- What is the forward voltage of the BZX55C3V3 at 100 mA?
The forward voltage is 1.0 V maximum at 100 mA.
- What is the typical zener impedance of the BZX55C3V3?
The typical zener impedance is 85 Ω.
- What is the maximum zener current rating for the BZX55C3V3?
The maximum zener current rating is 600 mA.
- What type of package does the BZX55C3V3 come in?
The BZX55C3V3 comes in a DO-35 glass case package.
- What are some common applications of the BZX55C3V3?
Common applications include voltage regulation, overvoltage protection, signal conditioning, and power supplies.
- How does the BZX55C3V3 protect against overvoltage conditions?
The BZX55C3V3 protects against overvoltage conditions by clamping the voltage to a safe level of 3.3 volts.
- What is the reverse current of the BZX55C3V3 at the specified reverse voltage?
The reverse current is 40 μA at the specified reverse voltage.
