The " BAT54C " you referred to is a part from Diodes Incorporated, a leading global supplier of semiconductors. This component is a Schottky diode in a SOT-23 package, commonly used in applications like power rectification, voltage clamping, and signal rectification.
Below is a detailed explanation of the BAT54C pin function, packaging details, and its application in circuits.
BAT54C Detailed Pin Function Specifications
Package Type: SOT-23This part is offered in a compact SOT-23 package, which is a small surface-mount package with 3 pins.
Pin Function List for BAT54C (SOT-23 Package)
Pin Number Pin Name Pin Function Description 1 Anode (A) Anode pin of the Schottky diode; connects to the negative voltage side of the circuit. 2 Cathode (K) Cathode pin of the Schottky diode; connects to the positive voltage side of the circuit. 3 Cathode (K) In the case of a dual diode configuration (BAT54C has dual diodes in series), this pin would also be used for the second cathode side.Circuit Principle Instructions
BAT54C is typically used in circuits that require fast switching and low forward voltage drop. It works well in applications such as rectifiers in DC circuits, clamping in signal circuits, and in protecting circuits from reverse voltage.
The Schottky diode has a very low forward voltage drop compared to regular diodes, making it ideal for applications where minimizing energy loss is critical.
Operation Principle: When the voltage applied to the anode (Pin 1) is higher than the voltage on the cathode (Pin 2), current flows easily. When the voltage is reversed, the diode blocks current flow.
FAQ for BAT54C
1. What is the maximum reverse voltage rating for the BAT54C? The maximum reverse voltage rating for BAT54C is 30V. 2. What is the typical forward voltage drop for the BAT54C at 1mA? The typical forward voltage drop at 1mA is approximately 0.28V. 3. What is the typical junction capacitance of the BAT54C? The typical junction capacitance is 5pF. 4. Can the BAT54C be used for both signal and power rectification? Yes, the BAT54C is suitable for both signal rectification and low-power applications, not intended for high-current power rectification. 5. What is the typical reverse leakage current for the BAT54C? The typical reverse leakage current is 5nA at a reverse voltage of 25V. 6. What package type is the BAT54C? The BAT54C is packaged in the SOT-23 surface-mount package. 7. How do I identify the anode and cathode pins on the BAT54C? Pin 1 is the anode (A), and Pin 2 and 3 are the cathodes (K). In a dual configuration, Pin 2 and 3 both serve as cathodes. 8. What is the operating temperature range for the BAT54C? The operating temperature range is -55°C to +125°C. 9. Can the BAT54C be used in automotive applications? Yes, BAT54C can be used in automotive circuits, as it meets the requirements for automotive electronics with its wide temperature range and low forward voltage. 10. What is the maximum power dissipation for the BAT54C? The maximum power dissipation is 200mW. 11. How many diodes are integrated in the BAT54C package? The BAT54C contains two Schottky diodes in a single package. 12. What are the key advantages of using a Schottky diode like the BAT54C? The main advantages are low forward voltage, high-speed switching, and low reverse recovery time. 13. Is the BAT54C suitable for high-frequency applications? Yes, the BAT54C is ideal for high-frequency applications due to its low junction capacitance and fast switching characteristics. 14. Can the BAT54C be used for reverse polarity protection? Yes, BAT54C is often used for reverse polarity protection in circuits to prevent damage from incorrect voltage application. 15. What are the key differences between the BAT54C and the BAT54A ? The main difference is that the BAT54A has a higher reverse voltage rating (40V) compared to the BAT54C (30V). 16. How do I properly mount the BAT54C on a PCB? Mount the BAT54C on a SMD pad with the correct polarity, ensuring the anode connects to the negative side of the circuit and the cathode to the positive side. 17. What is the maximum current rating for the BAT54C? The maximum continuous forward current for the BAT54C is 200mA. 18. How does the BAT54C behave in high temperature conditions? The BAT54C maintains stable performance in high temperatures, but care must be taken not to exceed the maximum junction temperature of 125°C. 19. Can the BAT54C be used for ESD protection? Yes, due to its fast response time and low forward voltage, the BAT54C is commonly used for Electrostatic Discharge (ESD) protection. 20. How do I calculate the appropriate size of the current-limiting resistor when using BAT54C? The resistor value can be calculated using Ohm’s law (R = (Vsupply - Vdiode) / Idiode), where Vsupply is the supply voltage, Vdiode is the forward voltage drop of BAT54C, and Idiode is the desired current.This concludes the detailed breakdown of the BAT54C, including the pinout, function descriptions, and frequently asked questions. Would you like to explore any other details further?