STPS40SM120C Power Schottky rectifier Datasheet - production data Description A1 K This Schottky rectifier is suited for high frequency switch mode power supply. A2 K The voltage drop versus leakage current trade-off is in keeping with medium power hi-density adapter design. A2 A1 TO-220AB IPAK A1 K A2 TO-220AB A1 K narrow leads A2 Packaged in TO-220AB narrow leads, TO-220AB and IPAK, this device is intended to be used in notebook, game station and desktop adaptors, providing in these applications a good efficiency at both low and high load. Table 1: Device summary Features High current capability Avalanche rated Low forward voltage drop current High frequency operation ECOPACK(R)2 compliant component on TO-220AB Symbol Value IF(AV) 2 x 20 A VRRM 120 V Tj(max.) 150 C VF(typ.) 0.46 V Figure 1: Electrical characteristics VARM and IARM must respect the reverse safe operating area defined in Figure 9. VAR and IAR are pulse measurements (tp < 1 s). VR, IR, VRRM and VF, are static characteristics. April 2017 DocID022917 Rev 3 This is information on a product in full production. 1/12 www.st.com Characteristics 1 STPS40SM120C Characteristics Table 2: Absolute ratings (per diode, limiting values at 25 C, unless otherwise specified) Symbol Parameter Value Unit VRRM Repetitive peak reverse voltage 120 V IF(RMS) Forward rms current 30 A Per diode, TC = 125 C 20 Per device, TC = 115 C 40 Surge non repetitive forward current tp = 10 ms sine-wave 210 A PARM(1) Repetitive peak avalanche power tp = 10 s, Tj = 125 C 1150 W VARM(2) Maximum repetitive peak avalanche voltage tp < 10 s, Tj < 125 C, IAR < 7.7 A 150 V -65 to +175 C 150 C IF(AV) IFSM Average forward current = 0.5, square wave VASM Maximum single pulse peak avalanche voltage Tstg Storage temperature range Maximum operating junction temperature Tj (3) A Notes: (1)For pulse time duration deratings, please refer to figure 4. More details regarding the avalanche energy measurements and diode validation in the avalanche are provided in the application notes AN1768 and AN2025. (2)See (3)(dP Figure 9 tot/dTj) < (1/Rth(j-a)) condition to avoid thermal runaway for a diode on its own heatsink. Table 3: Thermal parameters Symbol Rth(j-c) Rth(c) Parameter Junction to case Max. value Per diode 1.35 Total 0.93 Coupling 0.50 When the two diodes 1 and 2 are used simultaneously: Tj(diode 1) = P(diode 1) x Rth(j-c)(Per diode) + P(diode 2) x Rth(c) 2/12 DocID022917 Rev 3 Unit C/W STPS40SM120C Characteristics Table 4: Static electrical characteristics (values per diode) Symbol IR(1) VF(2) Parameter Test conditions Reverse leakage current Forward voltage drop Tj = 25 C Tj = 125 C VR = VRRM Min. Typ. Max. Unit - 55 275 A - 20 50 mA Tj = 125 C IF = 5 A - 0.46 0.51 Tj = 125 C IF = 10 A - 0.55 0.60 Tj = 25 C Tj = 125 C IF = 20 A - 0.83 0.63 V 0.69 Notes: (1)Pulse test: tp = 5 ms, < 2% (2)Pulse test: tp = 380 s, < 2% To evaluate the conduction losses, use the following equation: P = 0.52 x IF(AV) + 0.0085 x IF2(RMS) DocID022917 Rev 3 3/12 Characteristics 1.1 STPS40SM120C Characteristics (curves) Figure 2: Average forward power dissipation versus average forward current (per diode) 20 Figure 3: Average forward current versus ambient temperature ( = 0.5, per diode) PF(AV)(W) 24 = 0.5 Rth(j-a) = Rth(j-c) = 1 16 IF(AV)(A) 20 = 0.2 16 = 0.1 12 = 0.05 12 8 8 T 4 4 = tp / T I F(AV)(A) tp 0 Tam b (C) 0 0 4 8 12 16 20 24 28 Figure 4: Normalized avalanche power derating versus pulse duration (per diode) 1 0 25 50 75 100 125 150 Figure 5: Relative variation of thermal impedance junction to case versus pulse duration (per diode) PARM (t p ) PARM (10 s) 1.0 Zth(j-c)/Rth(j-c) 0.9 0.8 0.7 0.1 0.6 0.5 0.4 0.01 Single pulse 0.3 0.2 0.1 t p (s) 0.001 1 10 100 1000 Figure 6: Reverse leakage current versus reverse voltage applied (typical values, per diode) 1.E+02 IR(mA) t p (s) 0.0 1.E-04 1.E-03 1.E-02 1.E-01 1.E+00 Figure 7: Junction capacitance versus reverse voltage applied (typical values, per diode) 10000 C(pF) F=1MHz Vosc =30mVRMS Tj=25C Tj=150C 1.E+01 Tj=125C Tj=100C 1.E+00 1000 Tj=75C 1.E-01 Tj=50C Tj=25C 1.E-02 VR (V) 1.E-03 0 4/12 10 20 30 40 50 60 70 80 90 100 110 120 DocID022917 Rev 3 VR (V) 100 1 10 100 1000 STPS40SM120C Characteristics Figure 9: Reverse safe operating area (tp < 1 s and Tj < 150 C, per diode) Figure 8: Forward voltage drop versus forward current (per diode) 10.0 Iarm (A) 9.5 9.0 8.5 8.0 7.5 7.0 Varm (V) 6.5 120 DocID022917 Rev 3 130 140 150 160 170 5/12 Package information 2 STPS40SM120C Package information In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK(R) packages, depending on their level of environmental compliance. ECOPACK (R) specifications, grade definitions and product status are available at: www.st.com. ECOPACK(R) is an ST trademark. 2.1 Cooling method: by conduction (C) Epoxy meets UL 94,V0 Recommended torque value: 0.55 N*m (for TO-220AB) Maximum torque value: 0.7 N*m (for TO-220AB) TO-220AB narrow leads package information Figure 10: TO-220AB narrow leads package outline 6/12 DocID022917 Rev 3 STPS40SM120C Package information Table 5: TO-220AB narrow leads package mechanical data Dimensions Ref. Millimeters Inches Min. Max. A 4.40 4.60 0.17 0.18 b 0.61 0.88 0.024 0.034 b1 0.95 1.20 0.037 0.047 c 0.48 0.70 0.019 0.027 D 15.25 15.75 0.060 0.062 D1 Min. 1.27 typ. Max. 0.05 typ. E 10.00 10.40 0.39 0.41 e 2.40 2.70 0.094 0.106 e1 4.95 5.15 0.19 0.20 F 1.23 1.32 0.048 0.052 H1 6.20 6.60 0.24 0.26 J1 2.40 2.72 0.095 0.107 L 13.00 14.00 0.51 0.55 L1 2.60 2.90 0.102 0.114 L20 15.40 typ. 0.61 L30 28.90 typ. 1.14 OP 3.75 3.85 0.147 0.151 Q 2.65 2.95 0.104 0.116 DocID022917 Rev 3 7/12 Package information 2.2 STPS40SM120C TO-220AB package information Figure 11: TO-220AB package outline 8/12 DocID022917 Rev 3 STPS40SM120C Package information Table 6: TO-220AB package mechanical data Dimensions Ref. Inches(1) Millimeters Min. Max. Min. Max. A 4.40 4.60 0.1732 0.1811 b 0.61 0.88 0.0240 0.0346 b1 1.14 1.70 0.0449 0.0669 c 0.48 0.70 0.0189 0.0276 D 15.25 15.75 0.6004 0.6201 D1 1.27 typ. 0.0500 typ. E 10.00 10.40 0.3937 0.4094 e 2.40 2.70 0.0945 0.1063 e1 4.95 5.15 0.1949 0.2028 F 1.23 1.32 0.0484 0.0520 H1 6.20 6.60 0.2441 0.2598 J1 2.40 2.72 0.0945 0.1071 L 13.00 14.00 0.5118 0.5512 L1 3.50 3.93 0.1378 0.1547 L20 16.40 typ. 0.6457 typ. L30 28.90 typ. 1.1378 typ. OP 3.75 3.85 0.1476 0.1516 Q 2.65 2.95 0.1043 0.1161 Notes: (1)Inch dimensions are for reference only. DocID022917 Rev 3 9/12 Package information 2.3 STPS40SM120C IPAK package information Figure 12: IPAK package outline Table 7: IPAK package mechanical data Dimensions Ref. 10/12 Millimeters Inches Min. Max. Min. Max. A 4.40 4.60 0.173 0.181 A1 2.40 2.72 0.094 0.107 b 0.61 0.88 0.024 0.035 b1 1.14 1.70 0.044 0.067 c 0.49 0.70 0.019 0.028 c2 1.23 1.32 0.048 0.052 D 8.95 9.35 0.352 0.368 e 2.40 2.70 0.094 0.106 e1 4.95 5.15 0.195 0.203 E 10.00 10.40 0.394 0.409 L 13.00 14.00 0.512 0.551 L1 3.50 3.93 0.138 0.155 L2 1.27 1.40 0.050 0.055 DocID022917 Rev 3 STPS40SM120C 3 Ordering information Ordering information Table 8: Ordering information 4 Order code Marking Package Weight Base qty. Delivery mode STPS40SM120CR PS40SM120CR IPAK 1.49 g 50 Tube STPS40SM120CTN PS40SM120CTN TO-220AB narrow leads 1.9 g 50 Tube STPS40SM120CT PS40SM120CT TO-220AB 2.2 g 50 Tube Revision history Table 9: Document revision history Date Revision Changes 02-Apr-2012 1 First issue. 04-Nov-2014 2 Added TO-220AB and TO-220FPAB package information. 11-Apr-2017 3 Updated Section 1: "Characteristics" and Section 1.1: "Characteristics (curves)". DocID022917 Rev 3 11/12 STPS40SM120C IMPORTANT NOTICE - PLEASE READ CAREFULLY STMicroelectronics NV and its subsidiaries ("ST") reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST products before placing orders. ST products are sold pursuant to ST's terms and conditions of sale in place at the time of order acknowledgement. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of Purchasers' products. No license, express or implied, to any intellectual property right is granted by ST herein. Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product. ST and the ST logo are trademarks of ST. All other product or service names are the property of their respective owners. Information in this document supersedes and replaces information previously supplied in any prior versions of this document. (c) 2017 STMicroelectronics - All rights reserved 12/12 DocID022917 Rev 3