STTH4R02-Y Automotive ultrafast recovery diode Features A ■ Very low conduction losses ■ Negligible switching losses ■ Low forward and reverse recovery times ■ High junction temperature ■ AEC-Q101 qualified A SMB STTH4R02UY Description Table 1. The STTH4R02 uses ST's new 200 V planar Pt doping technology, and it is specially suited for switching mode base drive and transistor circuits. Packaged SMB, SMC, this device is intended for use in low voltage, high frequency inverters, free wheeling and polarity protection in automotive applications. December 2010 K K Doc ID 17391 Rev 1 SMC STTH4R02SY Device summary Symbol Value IF(AV) 4A VRRM 200 V Tj (max) 175 °C VF (typ) 0.76 V trr (typ) 16 ns 1/9 www.st.com 9 Characteristics 1 STTH4R02-Y Characteristics Table 2. Absolute ratings (limiting values at Tj = 25 °C, unless otherwise specified) Symbol Parameter Value Unit VRRM Repetitive peak reverse voltage 200 V IF(RMS) Forward rms current 70 A Tc = 95 °C 4 A tp = 10 ms sinusoidal 70 A IF(AV) Average forward current, δ = 0.5 IFSM Surge non repetitive forward current Tstg Storage temperature range -65 to +175 °C Operating junction temperature range -40 to +175 °C Value Unit 20 °C/W Tj Table 3. Thermal parameters Symbol Rth(j-c) Table 4. Symbol IR(1) Parameter Junction to case Static electrical characteristics Parameter Reverse leakage current Test conditions Tj = 25 °C Tj = 125 °C Forward voltage drop Typ. Max. µA 20 1.15 1.25 0.95 1.05 0.76 0.83 Typ. Max. IF = 1 A, dIF/dt = -50 A/µs, VR = 30 V, Tj = 25 °C 24 30 IF = 1 A, dIF/dt = -100 A/µs, VR = 30 V, Tj = 25 °C 16 20 5.5 Tj = 25 °C Tj = 150 °C Unit 3 VR = VRRM 2 Tj = 25 °C VF(2) Min. IF = 12 A IF = 4 A V 1. Pulse test: tp = 5 ms, δ < 2 % 2. Pulse test: tp = 380 µs, δ < 2 % To evaluate the conduction losses use the following equation: P = 0.67 x IF(AV) + 0.04 IF2(RMS) Table 5. Symbol trr 2/9 Dynamic characteristics Parameter Reverse recovery time Test conditions Min. Unit ns IRM Reverse recovery current IF = 4 A, dIF/dt = -200 A/µs, VR = 160 V, Tj = 125 °C 4.4 tfr Forward recovery time IF = 4 A, dIF/dt = 50 A/µs VFR = 1.1 x VFmax, Tj = 25 °C 80 ns VFP Forward recovery voltage IF = 4 A, dIF/dt = 50 A/µs, Tj = 25 °C 1.6 V Doc ID 17391 Rev 1 A STTH4R02-Y Figure 1. Characteristics Peak current versus duty cycle Figure 2. IM(A) Forward voltage drop versus forward current (typical values) IFM(A) 50 100 T IM 45 δd=tp/T 40 tp 75 35 30 P=5W Tj=150°C 50 25 20 P=2W Tj=25°C 15 25 P=1W 10 δ VFM(V) 5 0 0 0.0 0.0 0.1 0.2 Figure 3. 0.3 0.4 0.5 0.6 0.7 0.8 0.9 Forward voltage drop versus forward current (maximum values) Figure 4. IFM(A) 1.0 1.5 2.0 2.5 3.0 3.5 Relative variation of thermal impedance, junction to ambient, versus pulse duration (SMB) Zth(j-a) /Rth(j-a) 100 1.0 90 0.9 80 0.8 70 SMB SCu=1cm² 0.7 60 0.6 Tj=150°C 50 0.5 Tj=25°C 40 0.4 0.3 30 0.2 20 10 0.1 VFM(V) 0 0.0 0.5 Figure 5. 1.0 1.5 2.0 2.5 3.0 3.5 Relative variation of thermal impedance, junction to ambient, versus pulse duration (SMC) tp(s) 0.0 1.E-01 Figure 6. 1.E+00 1.E+01 1.E+02 1.E+03 Junction capacitance versus reverse applied voltage (typical values) C(pF) Zth(j-a) /Rth(j-a) 100 1.0 0.9 0.5 1.0 F=1MHz Vosc=30mVRMS Tj=25°C SMC SCu=1cm² 0.8 0.7 0.6 0.5 0.4 0.3 0.2 tp(s) 0.1 VR(V) 0.0 1.E-01 10 1.E+00 1.E+01 1.E+02 1.E+03 1 Doc ID 17391 Rev 1 10 100 1000 3/9 Characteristics Figure 7. STTH4R02-Y Reverse recovery charges versus dIF/dt (typical values) Reverse recovery time versus dIF/dt (typical values) Figure 8. QRR(nC) tRR(ns) 120 80 IF=4A VR=160V 100 IF=4A VR=160V 70 Tj=125°C 60 80 50 60 40 Tj=125°C 40 30 Tj=25°C 20 20 Tj=25°C 10 dIF/dt(A/µs) dIF/dt(A/µs) 0 0 0 50 Figure 9. 100 150 200 250 300 350 400 450 500 Peak reverse recovery current versus dIF/dt (typical values) 10 100 1000 Figure 10. Dynamic parameters versus junction temperature IRM(A) QRR; IRM [T j] / Q RR; IRM [T j=125°C] 10 1.4 IF=4A VR=160V IF=4A VR=160V 1.2 8 1.0 6 IRM 0.8 Tj=125°C 0.6 4 QRR Tj=25°C 0.4 2 0.2 dIF/dt(A/µs) Tj(°C) 0 0.0 0 50 100 150 200 250 300 350 400 450 500 Figure 11. Thermal resistance, junction to ambient, versus copper surface under tab - SMB 25 50 75 100 125 150 Figure 12. Thermal resistance, junction to ambient, versus copper surface under tab - SMC Rth(j-a) (°C/W) Rth(j-a) (°C/W) 110 100 100 SMB Epoxy printed circuit board FR4, copper thickness = 35 µm 90 80 80 SMC Epoxy printed circuit board FR4, copper thickness = 35 µm 90 70 70 60 60 50 50 40 40 30 30 20 20 10 10 SCU(cm²) 0.0 4/9 SCU(cm²) 0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0.0 Doc ID 17391 Rev 1 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 STTH4R02-Y 2 Ordering information scheme Ordering information scheme Figure 13. Ordering information scheme STTH 4 R 02 XXX Ultrafast switching diode Average forward current 4=4A Model R Repetitive peak reverse voltage 02 = 200 V Package U = SMB in Tape and reel S = SMC in Tape and reel Y = Automotive grade Doc ID 17391 Rev 1 5/9 Package information 3 STTH4R02-Y Package information ● Epoxy meets UL94, V0 ● Band indicates cathode on SMB and SMC In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. Table 6. SMB dimensions Dimensions Ref. Millimeters Inches E1 D Min. Max. Min. Max. A1 1.90 2.45 0.075 0.096 A2 0.05 0.20 0.002 0.008 b 1.95 2.20 0.077 0.087 c 0.15 0.40 0.006 0.016 D 3.30 3.95 0.130 0.156 E 5.10 5.60 0.201 0.220 E1 4.05 4.60 0.159 0.181 L 0.75 1.50 0.030 0.059 E A1 A2 C L b Figure 14. Footprint, dimensions in mm (inches) 1.62 2.60 (0.064) (0.102) 1.62 (0.064) 2.18 (0.086) 5.84 (0.300) 6/9 Doc ID 17391 Rev 1 STTH4R02-Y Package information Table 7. SMC dimensions Dimensions Ref. E1 D E A2 E2 L b Inches Min. Max. Min. Max. A1 1.90 2.45 0.075 0.096 A2 0.05 0.20 0.002 0.008 (1) b 2.90 3.20 0.114 0.126 c(1) 0.15 0.40 0.006 0.016 D 5.55 6.25 0.218 0.246 E 7.75 8.15 0.305 0.321 E1 6.60 7.15 0.260 0.281 E2 4.40 4.70 0.173 0.185 L 0.75 1.50 0.030 0.059 A1 C Millimeters 1. Dimensions b and c apply to plated leads Figure 15. Footprint, dimensions in mm (inches) 1.54 (0.061) 5.11 (0.201) 1.54 (0.061) 3.14 (0.124) 8.19 (0.322) Doc ID 17391 Rev 1 7/9 Ordering information 4 Ordering information Table 8. 5 Ordering information Order code Marking Package Weight STTH4R02UY 4R2UY SMB 0.107 g STTH4R02SY 4R2SY SMC 0.243 g Base qty Delivery mode 2500 Tape and reel Revision history Table 9. 8/9 STTH4R02-Y Document revision history Date Revision 03-Dec-2010 1 Changes First issue. 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