Overview
The BAT54ALT1 Schottky barrier diode, produced by onsemi, is designed for high-speed switching applications, circuit protection, and voltage clamping. This diode features an extremely low forward voltage, which reduces conduction loss and makes it ideal for handheld and portable applications where space is limited. The miniature surface mount package (SOT-23) enhances its suitability for compact designs.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Reverse Voltage | VR | 30 | V |
| Forward Power Dissipation @ TA = 25°C | PF | 225 mW | mW |
| Forward Current (DC) | IF | 200 mA | mA |
| Non-Repetitive Peak Forward Current (tp < 10 msec) | IFSM | 600 mA | mA |
| Repetitive Peak Forward Current (Pulse Wave = 1 sec, Duty Cycle = 66%) | IFRM | 300 mA | mA |
| Junction Temperature | TJ | -55 to 150 °C | °C |
| Storage Temperature Range | Tstg | -55 to +150 °C | °C |
| Forward Voltage (Typ @ IF = 10 mA) | VF | 0.35 V | V |
| Total Capacitance (VR = 1.0 V, f = 1.0 MHz) | CT | 7.6 to 10 pF | pF |
| Reverse Leakage (VR = 25 V) | IR | 0.2 to 2.0 µA | µA |
Key Features
- Extremely fast switching speed, making it suitable for high-speed applications.
- Low forward voltage of 0.35 V (typical) at IF = 10 mA, reducing conduction loss.
- Pb-free, halogen-free, and BFR-free, ensuring RoHS compliance.
- S prefix for automotive and other applications requiring unique site and control change requirements; AEC-Q101 qualified and PPAP capable.
- Miniature surface mount package (SOT-23) ideal for handheld and portable applications.
Applications
- High-speed switching applications.
- Circuit protection.
- Voltage clamping.
- Handheld and portable devices where space is limited.
- Automotive applications due to AEC-Q101 qualification and PPAP capability.
Q & A
- What is the typical forward voltage of the BAT54ALT1 diode?
The typical forward voltage is 0.35 V at IF = 10 mA.
- What is the maximum reverse voltage rating for the BAT54ALT1?
The maximum reverse voltage rating is 30 V.
- What is the maximum forward current (DC) for the BAT54ALT1?
The maximum forward current (DC) is 200 mA.
- Is the BAT54ALT1 RoHS compliant?
- What is the junction temperature range for the BAT54ALT1?
The junction temperature range is -55 to 150 °C.
- What package type is the BAT54ALT1 available in?
The BAT54ALT1 is available in a SOT-23 (TO-236) package.
- Is the BAT54ALT1 suitable for automotive applications?
- What is the total capacitance of the BAT54ALT1 at VR = 1.0 V and f = 1.0 MHz?
The total capacitance is 7.6 to 10 pF.
- What is the reverse leakage current at VR = 25 V?
The reverse leakage current is 0.2 to 2.0 µA.
- What are some common applications of the BAT54ALT1?
