BAT41KFILM is a general-purpose small-signal Schottky barrier diode launched by STMicroelectronics. It is packaged in the SOD-523 micro surface-mount format. This device is specifically designed for high-frequency switching applications, featuring extremely fast switching speed, low on-state loss and low capacitance characteristics.
Main performance parameters: Reverse voltage 100V, average rectification current 200mA. Forward drop 1V @ 200mA, reverse leakage current 100nA @ 50V. Forward surge current 1A, junction capacitance only 10pF. Maximum operating junction temperature 150°C, MSL level 1, complies with RoHS standards.
Features ：
• Diode type: Schottky Barrier Diode (for small signals)
• Reverse Voltage (VRRM): 100V
• Average rectified current (Io): 200mA
• Positive voltage drop (VF): 1V @ 200mA
• Reverse leakage current (IR): 100 nA @ 50V
• Forward Surge Current (IFSM): 1A
• Capacitance (Cj): 10pF at 1V, 1MHz
• Configuration: Single Diode (Single)
• Switching characteristics: Extremely fast switching, low on-state and switching losses
• Operating temperature range: Junction temperature -65°C to +150°C
• Compact packaging: SOD-523 (SC-79), size approximately 1.2mm × 0.8mm × 0.6mm, 2 pins, surface mount
• Environmental compliance: Meets RoHS3 standards, lead-free (Pb-Free)
Application：
• High-frequency switching circuits: Switching mode power supply (SMPS), DC-DC converter
• Signal processing: Detection of high-frequency signals, mixing, clamping
• Portable devices: Smartphones, wearable devices, etc., applications that are sensitive to space.
• Industrial Control: Signal Conditioning and Protection for Industrial Automation Equipment
• General small-signal rectification: Low current rectification and polarity protection
