Overview
The BAS21S-HF is a small signal switching diode manufactured by Comchip Technology. This diode is designed for high-performance switching applications and is part of the BAS21/A/C/S-HF series. It is known for its fast switching capabilities, high stability, and reliability. The BAS21S-HF is packaged in a SOT-23 case, making it suitable for a wide range of electronic devices where space is a concern.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Reverse Voltage (VR) | 250 | V |
| Peak Repetitive Reverse Voltage (VRRM) | 250 | V |
| Power Dissipation (PD) | 225 | mW |
| Forward Continuous Current (IFM) | 400 | mA |
| Repetitive Peak Forward Surge Current (IFRM) | 625 | mA |
| Non-Repetitive Peak Forward Surge Current (IFSM) @ t = 8.3ms, TA=25°C | 2.5 | A |
| Operating Junction Temperature (TJ) | 150 | °C |
| Storage Temperature Range (TSTG) | -55 to +150 | °C |
| Thermal Resistance from Junction to Ambient (RθJA) | 555 | °C/W |
| Forward Voltage (VF) @ IF = 100mA | 1.00 | V |
| Reverse Recovery Time (Trr) @ IF = IR = 30mA, Irr = 0.1xIR, RL = 100Ω | 50 | nS |
| Capacitance @ VR = 0V, f = 1MHz | 5 | pF |
Key Features
- Fast Switching Device: The BAS21S-HF has a reverse recovery time of less than 50 nS, making it ideal for high-speed switching applications.
- High Stability and Reliability: This diode is designed to offer high stability and reliability, ensuring consistent performance over time.
- Low Reverse Leakage: It features low reverse leakage current, which is beneficial for reducing power consumption and improving overall circuit efficiency.
- Power Dissipation: The diode has a power dissipation of 225 mW, suitable for various applications requiring moderate power handling.
- Halogen-Free and RoHS Compliant: The BAS21S-HF is halogen-free and complies with RoHS standards, making it environmentally friendly and suitable for use in a wide range of electronic devices.
- SOT-23 Package: The diode is packaged in a SOT-23 case, which is compact and suitable for surface-mount technology (SMT) applications.
Applications
- Switching Circuits: The BAS21S-HF is widely used in switching circuits due to its fast switching capabilities and low reverse recovery time.
- Signal Processing: It is suitable for signal processing applications where high-speed switching and low noise are required.
- Automotive Electronics: The diode can be used in automotive electronics for various control and switching functions.
- Consumer Electronics: It is used in consumer electronics such as audio equipment, telecommunication devices, and other electronic appliances.
- Industrial Control Systems: The BAS21S-HF can be applied in industrial control systems for reliable and efficient switching operations.
Q & A
- What is the reverse voltage rating of the BAS21S-HF?
The reverse voltage rating of the BAS21S-HF is 250 V.
- What is the maximum forward continuous current for the BAS21S-HF?
The maximum forward continuous current for the BAS21S-HF is 400 mA.
- What is the thermal resistance from junction to ambient for the BAS21S-HF?
The thermal resistance from junction to ambient for the BAS21S-HF is 555 °C/W.
- Is the BAS21S-HF RoHS compliant?
Yes, the BAS21S-HF is RoHS compliant and halogen-free.
- What is the package type of the BAS21S-HF?
The BAS21S-HF is packaged in a SOT-23 case.
- What is the reverse recovery time of the BAS21S-HF?
The reverse recovery time of the BAS21S-HF is less than 50 nS.
- What is the operating junction temperature range for the BAS21S-HF?
The operating junction temperature range for the BAS21S-HF is up to 150 °C.
- What is the storage temperature range for the BAS21S-HF?
The storage temperature range for the BAS21S-HF is -55 to +150 °C.
- What are some common applications of the BAS21S-HF?
The BAS21S-HF is commonly used in switching circuits, signal processing, automotive electronics, consumer electronics, and industrial control systems.
- What is the power dissipation of the BAS21S-HF?
The power dissipation of the BAS21S-HF is 225 mW.
