Overview
The BAS321/ZLF is a general-purpose diode manufactured by NXP USA Inc. This diode is fabricated using planar technology and is encapsulated in a small SOD323 (SC-76) plastic package. It is designed to provide reliable and efficient performance in various electronic circuits. The BAS321/ZLF is known for its ability to conduct current under forward bias and block current under reverse bias, making it a crucial component in applications such as AC to DC conversion and rectification.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VRRM (Repetitive Peak Reverse Voltage) | - | - | - | 250 | V |
| VR (Reverse Voltage) | - | - | - | 200 | V |
| IF (Forward Current) | tp = 10 ms; square wave; Tj(init) = 25 °C | - | - | 250 | mA |
| IFSM (Non-Repetitive Peak Forward Current) | tp = 100 µs; square wave; Tj(init) = 25 °C | - | - | 3 | A |
| Ptot (Total Power Dissipation) | Tamb = 25 °C | - | - | 300 | mW |
| Tj (Junction Temperature) | - | - | - | 150 | °C |
| Tstg (Storage Temperature) | - | -65 | - | 150 | °C |
| VF (Forward Voltage) | IF = 200 mA; Tj = 25 °C | - | - | 1.25 | V |
| IR (Reverse Current) | VR = 200 V; Tj = 25 °C | - | - | 100 nA | - |
| Cd (Diode Capacitance) | VR = 0 V; f = 1 MHz; Tj = 25 °C | - | - | 2 | pF |
| trr (Reverse Recovery Time) | IF = 30 mA; IR = 30 mA; RL = 100 Ω; Tj = 25 °C | - | - | 50 | ns |
Key Features
- High Reverse Voltage Withstand Capacity: The BAS321/ZLF has a maximum DC reverse voltage (Vr) of 200V, making it suitable for high voltage application scenarios.
- Low Forward Voltage Drop: The diode has a forward voltage (Vf) of 1.25V at 200mA, providing stable DC voltage output and meeting the needs of low-voltage circuits.
- Low Reverse Current Leakage: The reverse current leakage is only 100nA at 200V, which helps in reducing energy consumption and heat, and improving power efficiency.
- Fast Reverse Recovery Time: With a reverse recovery time (trr) of 50ns, the diode reduces energy loss and heat generation in the circuit.
- Wide Operating Temperature Range: The diode can operate in a wide temperature range up to 150°C, making it adaptable to various harsh working environments.
- Surface Mount Package: The SOD323 (SC-76) package is convenient for integration into circuits and supports mass production and transportation.
- Lead-Free and RoHS Compliant: The diode is lead-free and RoHS compliant, ensuring environmental sustainability and compliance with regulatory standards.
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 to achieve efficient long-distance transmission.
Q & A
- What is the maximum reverse voltage of the BAS321/ZLF diode?
The maximum DC reverse voltage (Vr) of the BAS321/ZLF diode is 200V.
- What is the forward current rating of the BAS321/ZLF diode?
The forward current rating of the BAS321/ZLF diode is 250mA.
- What is the forward voltage drop of the BAS321/ZLF diode at 200mA?
The forward voltage drop of the BAS321/ZLF diode at 200mA is 1.25V.
- What is the reverse recovery time of the BAS321/ZLF diode?
The reverse recovery time (trr) of the BAS321/ZLF diode is 50ns.
- What is the operating temperature range of the BAS321/ZLF diode?
The operating temperature range of the BAS321/ZLF diode is up to 150°C.
- Is the BAS321/ZLF diode lead-free and RoHS compliant?
Yes, the BAS321/ZLF diode is lead-free and RoHS compliant.
- What is the package type of the BAS321/ZLF diode?
The BAS321/ZLF diode is packaged in a SOD323 (SC-76) surface mount package.
- What are some common applications of the BAS321/ZLF diode?
The BAS321/ZLF diode is commonly used in signal detection, automotive electronics, battery chargers, and HVDC transmission systems.
- What is the diode capacitance of the BAS321/ZLF at 1 MHz?
The diode capacitance of the BAS321/ZLF at 1 MHz is 2 pF.
- What is the moisture sensitivity level (MSL) of the BAS321/ZLF diode?
The moisture sensitivity level (MSL) of the BAS321/ZLF diode is 1 (Unlimited).
