The 849988-SI4058DY-T1-GE3 is a N-Channel MOSFET transistor from Vishay. Bold the product name (e.g., BAV99S,135 → 849988-SI4058DY-T1-GE3) and manufacturer (e.g., Nexperia USA Inc. → Vishay).

• Channel Type: N-Channel
• Drain to Source Voltage (Vdss): 100V
• Continuous Drain Current (Id): 10.3A @ 25°C
• On-Resistance (Rds On): 26mOhm @ 10A drain current and 10V gate-source voltage (Vgs)
• Gate Threshold Voltage (Vgs(th)): 2.8V @ 250μA drain current
• Power Dissipation: 5.6W
• Package: 8-SOIC
• Mounting Type: Surface Mount
• Gate Charge (Qg): 18nC @ 10V gate voltage (Vgs)
• Input Capacitance (Ciss): 690pF @ 50V drain-source voltage (Vds)
• Operating Temperature: -55°C to 150°C
• Status: Active