Overview
The BAS21-7-G is a surface-mount fast switching diode produced by Diodes Incorporated. This diode is part of the BAS19, BAS20, and BAS21 series, known for their fast switching speeds and suitability for general-purpose switching applications. The BAS21-7-G is packaged in a SOT23 case, making it ideal for automated insertion and high-density circuit designs. It is also totally lead-free, RoHS compliant, and free from halogen and antimony, making it an environmentally friendly option.
Key Specifications
| Characteristic | Symbol | BAS21 | Unit |
|---|---|---|---|
| Repetitive Peak Reverse Voltage | VRRM | 250 | V |
| Working Peak Reverse Voltage (DC Blocking Voltage) | VRWM | 200 | V |
| RMS Reverse Voltage | VR(RMS) | 141 | V |
| Forward Continuous Current | IFM | 400 | mA |
| Average Rectified Output Current | IO | 200 | mA |
| Non-Repetitive Peak Forward Surge Current @ t = 1.0µs | IFSM | 2.5 | A |
| Repetitive Peak Forward Surge Current | IFRM | 625 | mA |
| Power Dissipation | PD | 250 | mW |
| Thermal Resistance Junction to Ambient Air | RθJA | 500 | °C/W |
| Operating and Storage Temperature Range | TJ, TSTG | -55 to +150 | °C |
| Forward Voltage @ IF = 100mA | VF | 1.0 | V |
| Reverse Current @ Rated DC Blocking Voltage | IR | 15 | µA |
| Total Capacitance @ VR = 0, f = 1.0MHz | CT | 5.0 | pF |
| Reverse Recovery Time | trr | 50 | ns |
Key Features
- Fast switching speed, making it suitable for high-frequency applications.
- Surface-mount package (SOT23) ideal for automated insertion and high-density designs.
- Totally lead-free, RoHS compliant, halogen-free, and antimony-free, ensuring environmental sustainability.
- High conductance for efficient current handling.
- AEC-Q101 qualified, PPAP capable, and manufactured in IATF 16949 certified facilities, ensuring high reliability for automotive applications.
- UL flammability classification rating 94V-0 and moisture sensitivity level 1 per J-STD-020.
Applications
The BAS21-7-G is designed for general-purpose switching applications, including but not limited to:
- Automotive systems requiring high reliability and compliance with automotive standards.
- Consumer electronics where fast switching and high conductance are necessary.
- Industrial control systems that demand robust and efficient diodes.
- Power supply circuits where reverse voltage protection and fast recovery times are critical.
Q & A
- What is the repetitive peak reverse voltage of the BAS21-7-G?
The repetitive peak reverse voltage (VRRM) of the BAS21-7-G is 250V. - What is the forward continuous current rating of the BAS21-7-G?
The forward continuous current (IFM) rating is 400mA. - Is the BAS21-7-G RoHS compliant?
Yes, the BAS21-7-G is totally lead-free and fully RoHS compliant. - What is the operating temperature range of the BAS21-7-G?
The operating and storage temperature range is -55°C to +150°C. - What is the reverse recovery time of the BAS21-7-G?
The reverse recovery time (trr) is 50ns. - Is the BAS21-7-G suitable for automotive applications?
Yes, it is AEC-Q101 qualified, PPAP capable, and manufactured in IATF 16949 certified facilities. - What is the package type of the BAS21-7-G?
The package type is SOT23. - What is the maximum power dissipation of the BAS21-7-G?
The maximum power dissipation (PD) is 250mW. - What is the thermal resistance junction to ambient air of the BAS21-7-G?
The thermal resistance junction to ambient air (RθJA) is 500°C/W. - What is the total capacitance of the BAS21-7-G at 1MHz?
The total capacitance (CT) at VR = 0 and f = 1.0MHz is 5.0pF.
