SiC Schottky Diode LFUSCD20065B, 650 V, 20 A, TO-247 3-lead LFUSCD20065B RoHS Pb Description The LFUSCD series of silicon carbide (SiC) Schottky diodes has near-zero recovery current, high surge capability, and a maximum operating junction temperature of 175 °C. The diode series is ideal for applications where improvements in efficiency, reliability, and thermal management are desired. Features • E xtremely fast, temperature-independent switching behavior • P ositive temperature coefficient for safe operation and ease of paralleling • D ramatically reduced switching losses compared to Si bipolar diodes • 1 75 °C maximum operating junction temperature • Enhanced surge capability Circuit Diagram Applications 4 Case 4 1 2 • B oost diodes in power factor correction • U ninterruptible power supplies • S witch-mode power supplies • Solar inverters • Industrial motor drives 3 1 2 3 Maximum Ratings Characteristics DC Blocking Voltage Symbol Conditions Max. Unit VR - 650 V Repetitive Peak Reverse Voltage, Tj = 25 °C VRRM 650 V Surge Peak Reverse Voltage VRSM 650 V TC = 125 °C 20 A Maximum DC Forward Current IF Non-Repetitive Forward Surge Current IFSM TC = 25 °C, 8.3 ms, half sine pulse 90 A Non-Repetitive Peak Forward Current IF,MAX TC = 25 °C, 10 µS 910 A Non-Repetitive Avalanche Energy EAS Tj = 25 °C, L = 5 mH, Ipk = 7.8 A, 168 mJ Power Dissipation PTot TC = 25 °C 136 TC = 125 °C 45 Maximum Operating Junction Temperature Storage Temperature © 2016 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/19/16 W TJ,MAX 175 °C TSTG -55 to 175 °C SiC Schottky Diode LFUSCD20065B, 650 V, 20 A, TO-247 3-lead Electrical Characteristics Characteristics Symbol Forward Voltage Value Conditions VF Min. Typ. Max. IF = 20 A, TJ = 25 °C - 1.5 1.7 IF = 20 A, TJ = 150 °C - 1.8 2.1 IF = 20 A, TJ = 175 °C - 1.95 2.25 VR = 650 V , TJ = 25 °C - 50 500 VR = 650 V , TJ = 175 °C - 100 1600 QC VR = 400 V, IF = 20 A, di/dt = 250 A/µs - 32 - VR = 1 V, f =1 MHz - 580 - C VR = 300 V, f = 1 MHz - 62 - VR = 600 V, f = 1 MHz - 56 - Reverse Current IR Total Capacitive Charge Total Capacitance Unit V μA nC pF Footnote: TJ = +25 °C unless otherwise specified Thermal Characteristics Characteristics Thermal Resistance Symbol Conditions RθJC - Figure 1: Typical Reverse Characteristics Value Max. - - 1.1 Unit °C/W 40 - 55 °C 35 25 °C 175 °C 10-6 1.E-06 10-7 1.E-07 10-8 1.E-08 Forward Current, IF (A) Reverse Current, IR (A) Typ. Figure 2: Typical Foward Characteristics 1.E-04 10-4 1.E-05 10-5 Min. 30 25 20 - 55 °C 15 25 °C 100 °C 10 150 °C 5 10-9 1.E-09 200 250 300 350 400 450 500 550 600 650 Reverse Voltage, VR (V) 0 175 °C 0 1 2 3 Forward Voltage, VF (V) 4 © 2016 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/19/16 SiC Schottky Diode LFUSCD20065B, 650 V, 20 A, TO-247 3-lead Figure 3: Power Disipation Figure 4: D iode Foward Current 150 160 D = 0.1 D = 0.3 D = 0.5 D = 0.7 D = 1.0 Forward Current,IF (A) Power Disspiation, PTot (W) 140 100 50 120 100 80 60 40 20 0 25 50 75 100 TC (±C) 125 150 0 175 Figure 5: Capacitance vs. Reverse Voltage 25 50 75 100 TC (±C) 125 150 175 Figure 6: Transient Thermal Impedance 800 (±C/W) 500 400 300 200 100 0 1 θJC 600 Thermal Impedance, Z Capacitance, C (pF) 700 0.1 1 10 100 Reverse Voltage, VR (V) © 2016 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/19/16 1000 0.1 D = 0.5 D = 0.3 D = 0.1 0.01 D = 0.05 D = 0.02 D = 0.01 Single Pulse 0.001 1.E-06 1.E-05 1.E-04 1.E-03 1.E-02 1.E-01 Time , t (s) SiC Schottky Diode LFUSCD20065B, 650 V, 20 A, TO-247 3-lead Part Marking System LFUSCD 20065B PYWXX ZZZ LFU SCD 20 065 B PYWXX ZZZ Packing Options = Littelfuse = SiC diode = Current Rating (20A) = Voltage Rating (650V) = TO-247-3 package = Lot Number = Date Code Part Number Marking Packing Mode M.O.Q LFUSCD20065B LFUSCD20065B 30 pcs / Tube 240 Dimensions-Package TO-247 3-lead Symbol A A1 A2 b b2 b4 C D D1 D2 E E1 E2 E2/2 e L L1 øP øP1 Q S Inches Min 0.193 0.900 0.073 0.042 0.075 0.113 0.022 0.820 0.684 0.042 0.621 0.547 0.135 0.081 0.789 0.164 0.140 0.278 0.216 0.238 Nom 0.198 0.950 0.078 0.047 0.080 0.118 0.024 0.825 0.690 0.047 0.626 0.552 0.146 0.088 0.215 BSC 0.794 0.170 0.142 0.283 0.221 0.243 Max 0.203 0.100 0.083 0.052 0.094 0.133 0.027 0.830 0.696 0.052 0.631 0.557 0.157 0.095 0.799 0.176 0.144 0.288 0.226 0.248 Mounting M3/M3.5 1Nm Torque Screw 8.8 lbf-in Packing Specification ( Tube for TO-247 3-lead ) © 2016 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/19/16