Overview
The BAS21A-HF is a high-performance switching diode produced by Comchip Technology. This surface-mount device is designed for fast switching applications, offering high stability and reliability. The BAS21A-HF is part of the BAS21 series, which includes various configurations such as common anode, common cathode, and single diodes. This particular model, BAS21A-HF, features a common anode configuration, making it suitable for a wide range of electronic circuits that require efficient and rapid switching.
Key Specifications
| Product Attribute | Attribute Value |
|---|---|
| Manufacturer | Comchip Technology |
| Voltage - Forward (Vf) (Max) @ If | 1.25 V @ 200 mA |
| Voltage - DC Reverse (Vr) (Max) | 250 V |
| Package / Case | TO-236-3, SC-59, SOT-23-3 |
| Mounting Type | Surface Mount |
| Diode Configuration | 1 Pair Common Anode |
| Current - Reverse Leakage @ Vr | 100 nA @ 200 V |
| Current - Average Rectified (Io) (per Diode) | 400 mA (DC) |
| Reverse Recovery Time (trr) | 50 ns |
| Operating Junction Temperature | 150°C (Max) |
| Storage Temperature Range | -55 to +150°C |
| Power Dissipation | 225 mW |
| Thermal Resistance from Junction to Ambient | 555 °C/W |
| RoHs Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Key Features
- Fast Switching Capability: The BAS21A-HF features a fast recovery time of less than 50 ns, making it ideal for high-speed switching applications.
- High Stability and Reliability: Designed with high stability and reliability in mind, this diode ensures consistent performance in various environmental conditions.
- Low Reverse Leakage: With a low reverse leakage current of 100 nA at 200 V, it minimizes power loss and enhances overall circuit efficiency.
- High Power Dissipation: The diode can handle a power dissipation of 225 mW, ensuring it can manage moderate power requirements effectively.
- Halogen-Free and RoHS Compliant: The BAS21A-HF is halogen-free and complies with ROHS3 standards, making it environmentally friendly and suitable for use in a wide range of applications.
- Surface Mount Package: Available in SOT-23-3 packages, it is easy to integrate into surface-mount technology (SMT) production lines.
Applications
- Switching Circuits: Ideal for use in fast switching circuits where rapid recovery times are crucial.
- Power Supplies: Suitable for use in power supply circuits that require efficient and reliable diodes.
- Audio and Video Equipment: Can be used in audio and video equipment to ensure high-quality signal processing.
- Automotive Electronics: Applicable in automotive electronics due to its high reliability and stability under various temperature conditions.
- Industrial Control Systems: Used in industrial control systems where fast and reliable switching is necessary.
Q & A
- What is the maximum forward voltage (Vf) of the BAS21A-HF diode?
The maximum forward voltage (Vf) of the BAS21A-HF diode is 1.25 V at 200 mA.
- What is the maximum DC reverse voltage (Vr) that the BAS21A-HF can handle?
The BAS21A-HF can handle a maximum DC reverse voltage (Vr) of 250 V.
- What is the reverse recovery time (trr) of the BAS21A-HF diode?
The reverse recovery time (trr) of the BAS21A-HF diode is less than 50 ns.
- What is the average rectified current (Io) rating for the BAS21A-HF diode?
The average rectified current (Io) rating for the BAS21A-HF diode is 400 mA (DC).
- What is the operating junction temperature range for the BAS21A-HF diode?
The operating junction temperature range for the BAS21A-HF diode is up to 150°C.
- Is the BAS21A-HF diode RoHS compliant?
Yes, the BAS21A-HF diode is ROHS3 compliant.
- What package types are available for the BAS21A-HF diode?
The BAS21A-HF diode is available in TO-236-3, SC-59, and SOT-23-3 packages.
- What is the power dissipation capability of the BAS21A-HF diode?
The power dissipation capability of the BAS21A-HF diode is 225 mW.
- What is the thermal resistance from junction to ambient for the BAS21A-HF diode?
The thermal resistance from junction to ambient for the BAS21A-HF diode is 555 °C/W.
- Is the BAS21A-HF diode suitable for high-speed switching applications?
Yes, the BAS21A-HF diode is designed for fast switching applications with a recovery time of less than 50 ns.
- What is the moisture sensitivity level (MSL) of the BAS21A-HF diode?
The moisture sensitivity level (MSL) of the BAS21A-HF diode is 1 (Unlimited).
