Overview
The BAS21C-HF is a small signal switching diode produced by Comchip Technology. It is designed for high reliability and stability, making it suitable for a variety of electronic applications. This diode is part of the BAS21 series, which includes several variants such as BAS21-HF, BAS21A-HF, BAS21C-HF, and BAS21S-HF. The BAS21C-HF is housed in a SOT-23 package and is halogen-free, complying with environmental regulations.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Repetitive Reverse Voltage | VRRM | 250 | V |
| Forward Continuous Current | IFM | 400 | mA |
| Non-repetitive Peak Forward Surge Current | IFSM | 625 | mA |
| Operating Junction Temperature | TJ | -55 to +150 | °C |
| Storage Temperature Range | TSTG | -55 to +150 | °C |
| Power Dissipation | PD | 225 | mW |
| Thermal Resistance from Junction to Ambient | RθJA | 555 | °C/W |
| Forward Voltage | VF | 1.00 | V |
| Reverse Leakage Current | IR | 0.1 | μA |
| Reverse Recovery Time | Trr | 50 | nS |
Key Features
- Fast switching device with a reverse recovery time (Trr) of less than 50 ns.
- High stability and high reliability.
- Low reverse leakage current.
- Halogen-free and RoHS compliant.
- Housed in a SOT-23 molded plastic package with epoxy UL: 94V-0 rating.
- Power dissipation of 225 mW.
Applications
The BAS21C-HF is suitable for various applications requiring small signal switching, such as in audio and video equipment, communication devices, and general-purpose electronic circuits. It is also used in power supplies, automotive electronics, and other areas where high reliability and fast switching times are critical.
Q & A
- What is the peak repetitive reverse voltage of the BAS21C-HF?
The peak repetitive reverse voltage (VRRM) is 250 V. - What is the forward continuous current rating of the BAS21C-HF?
The forward continuous current (IFM) is 400 mA. - What is the non-repetitive peak forward surge current of the BAS21C-HF?
The non-repetitive peak forward surge current (IFSM) is 625 mA. - What is the operating junction temperature range of the BAS21C-HF?
The operating junction temperature range is -55°C to +150°C. - What is the power dissipation of the BAS21C-HF?
The power dissipation (PD) is 225 mW. - Is the BAS21C-HF halogen-free and RoHS compliant?
Yes, the BAS21C-HF is halogen-free and RoHS compliant. - What is the package type of the BAS21C-HF?
The BAS21C-HF is housed in a SOT-23 molded plastic package. - What is the reverse recovery time of the BAS21C-HF?
The reverse recovery time (Trr) is less than 50 ns. - What are some common applications of the BAS21C-HF?
The BAS21C-HF is used in audio and video equipment, communication devices, power supplies, automotive electronics, and general-purpose electronic circuits. - What is the thermal resistance from junction to ambient for the BAS21C-HF?
The thermal resistance from junction to ambient (RθJA) is 555 °C/W.
