View bar43s datasheet:

BAR43/A/C/S Connection Diagrams 3 3BAR43A 3 BAR43 3 D95 1 2NC 1 2 2 1 2 3BAR43S BAR43C3 1 MARKING BAR43 D95 BAR43A DB1 SOT-23 1 2 1 2 BAR43C DB2 BAR43S DA5 Schottky Diodes Absolute Maximum Ratings* TA = 25°C unless otherwise noted Symbol Parameter Value Units VRRM Maximum Repetitive Reverse Voltage 30 V IF(AV) Average Rectified Forward Current 200 mA IFSM Non-repetitive Peak Forward Surge Current Pulse Width = 1.0 second 750 mA Storage Temperature Range -55 to +150 Tstg °C Operating Junction Temperature 150 TJ °C *These ratings are limiting values above which the serviceability of any semiconductor device may be impaired. **Mounted on ceramic substrate 10mm x 8mm x 0.6mm. Thermal Characteristics Symbol Parameter Value Units PD Power Dissipation 290