Overview
The BAS321/ZLX, produced by NXP USA Inc., is a general-purpose diode fabricated in planar technology and encapsulated in a small SOD323 (SC-76) plastic package. This diode is designed for unidirectional conductivity, making it suitable for various applications requiring the conversion of AC to DC and other rectification tasks. Although the BAS321/ZLX is currently listed as obsolete, it remains a significant component in many existing designs and legacy systems.
Key Specifications
| Parameter | Value |
|---|---|
| Type | Standard Diode |
| Maximum DC Reverse Voltage (Vr) | 200V |
| Average Rectified Current (Io) | 250mA |
| Forward Voltage (Vf) @ If | 1.25V @ 200mA |
| Reverse Recovery Time (trr) | 50ns |
| Current Reverse Leakage @ Vr | 100nA @ 200V |
| Capacitance @ Vr, F | 2pF @ 0V, 1MHz |
| Working Temperature Range | -40°C to 150°C |
| Package | SOD323 (SC-76) |
| Mounting Type | Surface Mount |
| RoHS Status | Lead Free / RoHS Compliant |
Key Features
- High Reverse Voltage Withstand Capacity: The diode can withstand a maximum DC reverse voltage of 200V, making it suitable for high-voltage applications.
- Low Forward Voltage Drop: The forward voltage (Vf) is 1.25V @ 200mA, ensuring stable DC voltage output.
- Low Reverse Leakage Current: The current reverse leakage is only 100nA @ 200V, reducing energy consumption and heat generation.
- Fast Reverse Recovery Time: The diode has a fast reverse recovery time of 50ns, which helps in reducing energy loss and heat in the circuit.
- Good High-Frequency Performance: The capacitance @ Vr, F is 2pF @ 0V, 1MHz, which helps in reducing noise and interference in the circuit.
- Wide Working Temperature Range: The diode can operate in a wide temperature range from -40°C to 150°C, making it adaptable to various harsh working environments.
Applications
- Signal Detector: Converts radio signals into DC electrical signals.
- Automotive Electronics: Used in alternator circuits to convert AC generated by the alternator to DC for charging the vehicle's battery.
- Battery Charger: Converts AC power from the power source into DC power to charge the battery.
- HVDC Transmission: Used in high-voltage direct current transmission systems for efficient long-distance transmission.
Q & A
- What is the maximum DC reverse voltage of the BAS321/ZLX diode?
The maximum DC reverse voltage (Vr) of the BAS321/ZLX diode is 200V. - What is the average rectified current (Io) of the BAS321/ZLX diode?
The average rectified current (Io) of the BAS321/ZLX diode is 250mA. - What is the forward voltage (Vf) of the BAS321/ZLX diode at 200mA?
The forward voltage (Vf) of the BAS321/ZLX diode at 200mA is 1.25V. - What is the reverse recovery time (trr) of the BAS321/ZLX diode?
The reverse recovery time (trr) of the BAS321/ZLX diode is 50ns. - What is the current reverse leakage of the BAS321/ZLX diode at 200V?
The current reverse leakage of the BAS321/ZLX diode at 200V is 100nA. - What is the capacitance of the BAS321/ZLX diode at 0V, 1MHz?
The capacitance of the BAS321/ZLX diode at 0V, 1MHz is 2pF. - What is the working temperature range of the BAS321/ZLX diode?
The working temperature range of the BAS321/ZLX diode is -40°C to 150°C. - Is the BAS321/ZLX diode RoHS compliant?
Yes, the BAS321/ZLX diode is Lead Free / RoHS Compliant. - What package type does the BAS321/ZLX diode use?
The BAS321/ZLX diode uses the SOD323 (SC-76) package. - What are some common applications of the BAS321/ZLX diode?
The BAS321/ZLX diode is commonly used in signal detection, automotive electronics, battery chargers, and HVDC transmission systems.
