SI8445DB Datasheet and Replacement

   Type Designator: SI8445DB
   Marking Code: 8445
   Type of Transistor: MOSFET
   Type of Control Channel: P -Channel
   Pd ⓘ - Maximum Power Dissipation: 1.8 W
   |Vds|ⓘ - Maximum Drain-Source Voltage: 20 V
   |Vgs|ⓘ - Maximum Gate-Source Voltage: 5 V
   |Vgs(th)|ⓘ - Maximum Gate-Threshold Voltage: 0.85 V
   |Id| ⓘ - Maximum Drain Current: 3.9 A
   Tj ⓘ - Maximum Junction Temperature: 150 °C
   tr ⓘ - Rise Time: 25 nS
   Cossⓘ - Output Capacitance: 130 pF
   Rds ⓘ - Maximum Drain-Source On-State Resistance: 0.084 Ohm
   Package: MICRO-FOOT
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