Overview
The BAT54AW is a Schottky barrier diode produced by SMC Diode Solutions, designed for high-speed switching applications, circuit protection, and voltage clamping. This diode is known for its extremely fast switching speed and low forward voltage, making it ideal for use in a variety of electronic circuits, including SMPS, DC-DC converters, freewheeling diodes, and reverse polarity protections.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Reverse Voltage | VR | 30 | V |
| Forward Continuous Current | IFM | 200 | mA |
| Non-Repetitive Peak Forward Surge Current | IFSM | 600 | mA |
| Power Dissipation | Pd | 200 | mW |
| Thermal Resistance Junction to Ambient | RθJA | 500 | °C/W |
| Junction Temperature Range | TJ | -55 to 150 | °C |
| Storage Temperature Range | TSTG | -55 to 150 | °C |
| Forward Voltage (IF = 10 mA) | VF | 0.35 | V |
| Reverse Leakage Current (VR = 25 V) | IR | 2.0 | μA |
| Total Capacitance (VR = 1 V, f = 1 MHz) | CT | 10 | pF |
| Reverse Recovery Time | tRR | 5 | ns |
Key Features
- Extremely Fast Switching Speed: Ideal for high-speed switching applications.
- Low Forward Voltage: Reduces conduction loss, with a typical forward voltage of 0.35 V at 10 mA.
- Miniature Surface Mount Package: SOT-323 package, excellent for handheld and portable applications where space is limited.
- Pb-Free, Halogen Free/BFR Free, and RoHS Compliant: Environmentally friendly and compliant with regulatory standards.
- PN Junction Guard Ring for Transient and ESD Protection: Provides enhanced protection against transient and electrostatic discharge (ESD) events.
- Automotive-Compliant: Available in versions that meet automotive standards, such as AEC-Q101 qualified and PPAP capable.
Applications
- SMPS (Switch-Mode Power Supplies): Used in power supply circuits for efficient voltage regulation.
- DC-DC Converters: Utilized in DC-DC conversion applications for their fast switching and low voltage drop.
- Freewheeling Diodes: Employed to protect circuits from back-EMF in inductive loads.
- Reverse Polarity Protections: Used to prevent damage from reverse voltage conditions.
- Blocking Diodes: Applied in various circuits to block reverse current flow.
Q & A
- Q: What is the maximum reverse voltage rating of the BAT54AW diode?
A: The maximum reverse voltage rating is 30 V.
- Q: What is the typical forward voltage of the BAT54AW diode at 10 mA?
A: The typical forward voltage at 10 mA is 0.35 V.
- Q: What is the maximum continuous forward current rating of the BAT54AW diode?
A: The maximum continuous forward current rating is 200 mA.
- Q: What is the thermal resistance junction to ambient for the BAT54AW diode?
A: The thermal resistance junction to ambient is 500 °C/W.
- Q: Is the BAT54AW diode RoHS compliant?
A: Yes, the BAT54AW diode is Pb-Free, Halogen Free/BFR Free, and RoHS compliant.
- Q: What package type is the BAT54AW diode available in?
A: The BAT54AW diode is available in the SOT-323 surface mount package.
- Q: What are some common applications of the BAT54AW diode?
A: Common applications include SMPS, DC-DC converters, freewheeling diodes, reverse polarity protections, and blocking diodes.
- Q: What is the reverse recovery time of the BAT54AW diode?
A: The reverse recovery time is typically 5 ns.
- Q: Is the BAT54AW diode suitable for automotive applications?
A: Yes, it is available in versions that meet automotive standards, such as AEC-Q101 qualified and PPAP capable.
- Q: What is the storage temperature range for the BAT54AW diode?
A: The storage temperature range is -55 to 150 °C.
- Q: What is the total capacitance of the BAT54AW diode at 1 MHz?
A: The total capacitance at 1 MHz is typically 10 pF.
