SiC Schottky Diode LFUSCD20120B, 1200 V, 20 A, TO-247 3-lead LFUSCD20120B 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 Repetitive Peak Reverse Voltage, Tj = 25 °C Symbol Conditions Max. (Leg / Device) Unit VR - 1200 V 1200 V TC = 142°C 10 / 20 A TC = 25 °C, 8.3 ms, half sine pulse 80 / 160 A TC = 25 °C 136 / 272 TC = 142 °C 30 / 60 VRRM Maximum DC Forward Current IF Non-Repetitive Forward Surge Current IFSM Power Dissipation PTot Maximum Operating Junction Temperature W TJ,MAX 175 °C Storage Temperature TSTG -55 to 175 °C Soldering Temperatures, Wavesoldering Only Allowed at Leads Tsold 260 °C © 2016 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/19/16 1.6 mm from case for 10s SiC Schottky Diode LFUSCD20120B, 120 V, 20 A, TO-247 3-lead Electrical Characteristics Characteristics Symbol Forward Voltage VF Reverse Current IR Total Capacitive Charge QC Total Capacitance Value (Leg / Device) Conditions Min. Typ. Max. IF = 20 A, TJ = 25 °C - 1.5 1.7 IF = 20 A, TJ = 175 °C - 2.5 3 VR = 1200 V , TJ = 25 °C - 30 / 60 250 / 500 VR = 1200 V , TJ = 175 °C - 60 / 120 800 / 1600 VR = 600 V, IF = 20 A, di/dt = 250 A/µs - 35 / 70 - VR = 1 V, f =1 MHz - 500 / 1000 - VR = 300 V, f = 1 MHz - 50 / 100 - VR = 600 V, f = 1 MHz - 36 / 72 - C 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 ( Leg / Device ) Typ. Max. - - 1.1 / 0.55 Unit °C/W Figure 2: Typical Foward Characteristics 1.E-04 10-4 20 10-6 1.E-06 10-7 1.E-07 - 55 °C 25 °C 10-8 1.E-08 Forward Current, IF (A) Reverse Current, IR (A) 1.E-05 10-5 10-9 1.E-09 500 Min. 15 10 - 55 °C 25 °C 100 °C 5 150 °C 175 °C 600 700 800 900 1000 1100 1200 Reverse Voltage, VR (V) 175 °C 0 0 1 2 3 4 Forward Voltage, VF (V) 5 © 2016 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/19/16 SiC Schottky Diode LFUSCD20120B, 1200 V, 20 A, TO-247 3-lead Figure 3: Power Disipation Figure 4: D iode Foward Current 120 100 50 80 60 40 20 0 25 50 75 100 TC (±C) 125 150 0 175 Figure 5: Capacitance vs. Reverse Voltage 50 75 100 TC (±C) 125 150 175 1 (±C/W) 600 Thermal Impedance, Z θJC 500 400 300 200 100 0 25 Figure 6: Transient Thermal Impedance 700 Capacitance, C (pF) D = 0.1 D = 0.3 D = 0.5 D = 0.7 D = 1.0 100 Forward Current,IF (A) Power Disspiation, PTot (W) 150 0.1 1 10 100 Reverse Voltage, VR (V) © 2016 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/19/16 1000 D = 0.5 0.1 0.01 1.E-05 D = 0.3 D = 0.1 D = 0.05 D = 0.02 Single Pulse 1.E-04 1.E-03 Time , t (s) 1.E-02 1.E-01 SiC Schottky Diode LFUSCD20120B, 120 V, 20 A, TO-247 3-lead Part Marking System LFUSCD 20120B PYWXX ZZZ LFU SCD 20 120 B PYWXX ZZZ Packing Options = Littelfuse = SiC diode = Current Rating (20A) = Voltage Rating (1200V) = TO-247-3 package = Lot Number = Date Code Part Number Marking Packing Mode M.O.Q LFUSCD20120B LFUSCD20120B 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