Si4943BDY Si4943DY Si4943BDY-T1 Si4943DY-T1 Si4943BDY-T1-E3 Si4943DY-T1-E3

Vishay Siliconix Si4943BDY vs. Si4943DY Description: Dual P-Channel, 20 V (D-S) MOSFET Package: SOIC-8 Pin Out: Identical Part

Specification Comparison Vishay Siliconix Si4943BDY Si4943BDY vs. Si4943DY Si4943DY Description: Dual P-Channel, 20 V (D-S) MOSFET Package: SOIC-8 Pin Out: Identical Part Number Replacements: Si4943BDY-T1 Si4943BDY-T1 Replaces Si4943DY-T1 Si4943DY-T1 Si4943BDY-T1-E3 Si4943BDY-T1-E3 (Lead (Pb)-free version) Replaces Si4943DY-T1-E3 Si4943DY-T1-E3 ABSOLUTE MAXIMUM RATINGS TA = 25 °C, unless otherwise noted Parameter Symbol Si4943BDY Si4943BDY Si4943DY Si4943DY Drain-Source Voltage VDS - 20 - 20 Gate-Source Voltage VGS ± 20 ± 20 - 8.4 Unit - 8.4 Continuous Drain Current TA = 25 °C ID TA = 70 °C Power Dissipation TA = 25 °C - 6.7 - 30 - 30 IS Continuous Source Current (MOSFET Diode Conduction) - 6.7 IDM Pulsed Drain Current - 1.7 V - 1.7 A 2.0 2.0 1.3 1.3 Tj and Tstg - 55 to 150 - 55 to 150 °C RthJA 62.5 62.5 °C/W PD TA = 70 °C Operating Junction and Storage Temperature Range Maximum Junction-to-Ambient W SPECIFICATIONS TJ = 25 °C, unless otherwise noted Parameter Symbol Si4943BDY Si4943BDY Min Typ Si4943DY Si4943DY Max Min - 3.0 Typ Max - 1.0 Unit Static VGS(th) Gate-Threshold Voltage - 1.0 V Gate-Body Leakage IGSS ± 100 ± 100 nA Zero Gate Voltage Drain Current IDSS -1 -1 µA On-State Drain Current Drain-Source On-Resistance VGS = - 10 V VGS = - 10 V VGS = - 4.5 V ID(on) - 30 - 30 A 0.016 0.019 0.016 0.019 0.026 rDS(on) 0.031 0.025 0.030 gfs 20 VSD - 0.75 - 1.2 - 0.8 - 1.2 Total Gate Charge Qg 17 25 36 54 Gate-Source Charge Qgs 5 6.8 Gate-Drain Charge Qgd 6.7 5.0 Gate Resistance Rg Forward Transconductance Diode Forward Voltage 18 S V Dynamic 6 nC 12 18 NS* td(on) 11 17 11 17 tr 10 15 24 38 td(off) 94 140 56 85 tf 60 90 30 45 trr 55 80 50 80 Switching Turn-On Time Turn-Off Time Source-Drain Reverse Recovery Time ns * NS denotes parameter not specified in original data sheet. Specification comparisons are supplied as a courtesy to compare two devices and do not constitute a commercial product datasheet or any guarantee of identical performance. Designers should refer to the appropriate datasheets of the same number for guaranteed specification limits. Document Number: 73274 Revision: 08-Nov-06 www.vishay.com 1