STPS40SM60CT

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## **STPS40SM60C** 

## Power Schottk rectifier y 

## **Features** 

- High current capability 

- Avalanche rated 

- Low forward voltage drop 

- High frequency operation 

## **Description** 

The STPS40SM60C is a dual diode Schottky rectifier, suited for high frequency switch mode power supply. 

Packaged in TO-220AB, I[2] PAK and D[2] PAK, this device is intended to be used in notebook, game station and desktop adapters, providing in these applications a good efficiency at both low and high load. 

**Table 1. Device summary** 

|**Symbol**|**Value**|
|---|---|
|IF(AV)|2 x 20 A|
|VRRM|60 V|
|VF(typ)|0.405 V|
|Tj (max)|150 °C|



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A1<br>K<br>A2<br>K K<br>A2<br>A2<br>K<br>A1 A1<br>I [2] PAK D [2] PAK<br>STPS40SM60CR STPS40SM60CG-TR<br>K<br>A2<br>K<br>A1<br>TO-220AB<br>STPS40SM60CT<br>**----- End of picture text -----**<br>


## **Figure 1. Electrical characteristics[(a)]** 

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I<br>V<br>"Forward"<br>I<br>2 x IO X<br>IF<br>IO X<br>VRRM<br>VAR VR<br>V<br>IR<br>VTo VF(Io) VF VF(2xIo)<br>"Reverse"<br>IAR<br>**----- End of picture text -----**<br>


- a. VARM and IARM must respect the reverse safe operating area defined in _Figure 12_ . VAR and IAR are pulse measurements (tp < 1 µs). VR, IR, VRRM and VF, are static characteristics 

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_www.st.com_ 

**Characteristics** 

**STPS40SM60C** 

## **1 Characteristics** 

## **Table 2. Absolute ratings (limiting values, per diode, at Tamb = 25 °C unless otherwise specified)** 

||**otherwise specified)**|**otherwise specified)**|||||
|---|---|---|---|---|---|---|
|**Symbol**|**Parameter**||||**Value**|**Unit**|
|VRRM|Repetitive peak reverse voltage||||60|V|
|IF(RMS)|Forward rms current||||60|A|
|IF(AV)|Average forward current,δ= 0.5||Tc= 130 °C|Per diode|20|A|
||||Tc= 125 °C|Per device|40||
|IFSM|Surge non repetitive forward current||tp= 10 ms sine-wave||400|A|
|PARM<br>(1)|Repetitive peak avalanche power||Tj= 25 °C, tp= 1 µs||18800|W|
|VARM<br>(2)|Maximum repetitive peak<br>avalanche voltage|tp< 1 µs, Tj< 150 °C, IAR< 70.5 A|||80|V|
|VARM<br>(2)|Maximum single-pulse<br>peak avalanche voltage|tp< 1 µs, Tj< 150 °C, IAR< 70.5 A|||80|V|
|Tstg|Storage temperature range||||-65 to +175|°C|
|Tj|Maximum operating junction temperature(3)||||150|°C|



1. For temperature or pulse time duration deratings, please refer to _Figure 4_ and _5_ . More details regarding the avalanche energy measurements and diode validation in the avalanche are provided in the application notes AN1768 and AN2025. 

2. See _Figure 12_ 

dPtot 1 3. < condition to avoid thermal runaway for a diode on its own heatsink dTj Rth(j-a) 

## **Table 3. Thermal parameters** 

|**Table 3.**|**Thermalparameters**||||
|---|---|---|---|---|
|**Symbol**|**Parameter**||**Value**|**Unit**|
|Rth(j-c)|Junction to case|per diode|1.3|°C/W|
|||total|0.73||
|Rth(c)|Coupling||0.15|°C/W|



When the two diodes 1 and 2 are used simultaneously: 

ΔTj(diode 1) = P(diode 1) x Rth(j-c)(Per diode) + P(diode 2) x Rth(c) 

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**Characteristics** 

**Table 4. Static electrical characteristics (per diode)** 

|**Symbol**|**Parameter**|**Test conditions**|**Test conditions**|**Min.**|**Typ.**|**Max.**|**Unit**|
|---|---|---|---|---|---|---|---|
|IR<br>(1)<br>Reverse leakage current|Reverse leakage current|Reverse leakage current<br>Tj= 25 °C<br>Tj= 125 °C|VR= VRRM|-|20|90|µA|
|||||-|15|50|mA|
|VF<br>(2)<br>Forward voltage drop|Forward voltage drop|Tj= 25 °C<br>Tj= 125 °C<br>Tj= 25 °C<br>Tj= 125 °C|IF= 10 A|-|0.495|0.535|V|
|||||-|0.405|0.460||
||||IF= 20 A|-|0.565|0.625||
|||||-|0.510|0.575||



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 = 0.415 x IF(AV) + 0.008 x IF[2] (RMS) 

**Figure 2. Average forward power dissipation Figure 3. Average forward current versus versus average forward current ambient temperature (per diode) (** δ **= 0.5, per diode)** 

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18 PF(AV)(W) 24 IF(AV)(A)<br>16 LEE δ = 0.05 δ = 0.1 δ = 0.2 Co δ = 0.5 δ = 1 Rth(j-a) = Rth(j-c)<br>[TTTTILELIITtIy ttt 20 Pe TT CPF<br>14<br>pt EERE EEE EE  ppp EE EEE| | P| | | | ft tt — |<br>12 A 16 po; | | fF Pp<br>10 Pt}att tt yt Aa eeA are ; | | | | | fT ft fT ft fy<br>12<br>8 / “|<br>CEPA ALTACE | | | [| {| {| f | | fj ft<br>6 8<br>f AAT<br>4 CEL PA Aa T CEeeeeeey | }| | {| {| j { [ | ff<br>4<br>2 LALA |<br>0 |RPL A R δ = tp i / T se tp HH IF(AV)(A) | 0 EREa  EE = Tamb H (°C) EE<br>0 2 4 6 8 10 12 14 16 18 20 22 24 26 0 25 50 75 100 125 150<br>**----- End of picture text -----**<br>


**Figure 4. Normalized avalanche power derating versus pulse duration** 

**Figure 5. Normalized avalanche power derating versus junction temperature** 

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PARM(tp) PARM(T )j<br>1 a PARM(1µs) Ed S| 1.2 pot PARM oy (25 °C) yp<br>J O | ee<br>N S 1 fe<br>HS RN<br>0.1 0.8<br>UTE STOTT | RSS SSE SSS SES SES<br>SSSPeaESE | 0.6 REt+-++-+$NHHH<br>0.01 ITTT)| a| 0.4  EEE<br>pH t+ +44 + 4+ 4+ 4-4-4 | 4 $4} eS<br>0.2<br>HHEE |<br>0.001 eea tp(µs) 0 Po oe e Tj(°C)<br>0.01 0.1 1 10 100 1000 25 50 75 100 125 150<br>**----- End of picture text -----**<br>


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**Characteristics** 

**STPS40SM60C** 

## **Figure 6. Non repetitive surge peak forward Figure 7. Relative thermal impedance current versus overload duration junction to case versus pulse (maximum values, per diode) duration** 

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280 I a M(A) 1.0 o_o Zth(j-c)/Rth(j-c) oe<br>0.9 Pe<br>240 tT ee A<br>a  TT PT 0.8 oea<br>200 ee a 0.7 a A<br>PSS IE te<br>160 eePtaeDes~~ Nee ee Tc = 25 °C 0.60.5 a a aaa 7,<br>120 Tc = 75 °C 0.4<br>e e ee ee Leeaor Ao<br>80 a a 0.3 Ee<br>IM vie iT Tc = 125 °C | 0.2 }—| Single pulse | ET ee ET<br>40 y [weve] De [I] 7 TPTiPeed4 E ec e||e<br>eg t LA 0.1 [ aT<br>0 δ = 0.5 t(s) 0.0 [ecea ie he tp(s)<br>1.E-03 1.E-02 1.E-01 1.E+00 1.E-04 1.E-03 1.E-02 1.E-01 1.E+00<br>**----- End of picture text -----**<br>


## **Figure 8. Reverse leakage current versus reverse voltage applied (typical values, per diode)** 

## **Figure 9. Junction capacitance versus reverse voltage applied (typical values, per diode)** 

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1.E+02 _—=—=—=—==>>=>S='='—='—=E=_=_=_—_=—=SS=sSsS= IR(mA) 10000 C SS (pF) SSSNSS<br>eS | Tj = 150 °C eS [| | ft ferry yt F = 1 MHz im<br>a a es ee | po Vosc = 30 mVRMS [|<br>1.E+01 oe Tj = 125 °C eee | EES Tj = 25 °C<br>Tj = 100 °C = Ce ee ee<br>1.E+00 a o Pp<br>| Tj = 75 °C a a a ee | 1000 ill<br>S e ee ee ee er<br>1.E-01 ee = ee po<br>1.E-02 a = TTjj = 50 °C= 25 °C ee<br>a a ee<br>1.E-03 Ses a VR(V) 100 OLL I VR(V)<br>0 10 20 30 40 50 60 1 10 100<br>Figure 10. Forward voltage drop versus  Figure 11. Thermal resistance junction to<br>forward current (per diode) ambient versus copper surface<br>under tab<br>1000.0 IFM(A) 80 Rth(j-a)(°C/W)<br>epoxy printed board copper thickness = 35 µm<br>EE SSS SSS ———————SSS SSS SSS SSS 70 Ppp [| TT [_<br>100.0 (Maximum values)Tj = 125 °C 60 D2PAK<br>ee Tj = 125 °C | | |) eee ee 50 Pepper rrp rrr<br>(Typical values) | hyatSa Wi ft tT ft te tt<br>10.0 ae 77, Tj = 25 °C P| | | tT 40 P N P<br>===, (Maximum values) SSS 30<br>re == tt ee<br>1.0 ae e / 20 en<br>SSfossa | 10 aFE<br>a A A PP 2<br>0.1 EAE EEE EE EEE VFM(V) ) SEE 0 EH SCu(cm )<br>0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0 5 10 15 20 25 30 35 40<br>**----- End of picture text -----**<br>


**Figure 10. Forward voltage drop versus forward current (per diode)** 

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**Characteristics** 

## **Figure 12. Reverse safe operating area (tp < 1 µs and Tj < 150 °C)** 

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75.0 Iarm (A)<br>70.0 Iarm (Varm) 150 °C, 1µs<br>65.0<br>60.0<br>55.0<br>50.0<br>45.0<br>40.0<br>35.0<br>30.0 Varm (V)<br>80 85 90 95 100 105 110 115 120<br>**----- End of picture text -----**<br>


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**Package information** 

## **2 Package information** 

- Epoxy meets UL94, V0 

- Cooling method: by conduction (C) 

- Recommended torque value: 0.4 to 0.6 N·m 

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. 

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Table 5. TO-220AB dimensions<br>**----- End of picture text -----**<br>


|**L2**|||||**A**<br>**C**<br>**D**<br>**L7**<br>**E**<br>**M**|**Ref.**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|---|---|---|---|---|---|
||||||||**Millimeters**||**Inches**||
||||||||**Min.**|**Max.**|**Min.**|**Max.**|
|||||||A|4.40|4.60|0.173|0.181|
|||||||C|1.23|1.32|0.048|0.051|
||||**H2**|**L5**<br>**L6**<br>**L9**<br>**L4**|||||||
|||||||D|2.40|2.72|0.094|0.107|
|||**D**|**ia**||||||||
|||||||E|0.49|0.70|0.019|0.027|
|||||**L5**||F|0.61|0.88|0.024|0.034|
||**F2**<br>**F1**||||||||||
|||||||F1|1.14|1.70|0.044|0.066|
||||||||||||
||||||||||||
|||||||F2|1.14|1.70|0.044|0.066|
|||||||G|4.95|5.15|0.194|0.202|
||||**G**|||G1|2.40|2.70|0.094|0.106|
||**F**<br>**G1**|||||H2|10|10.40|0.393|0.409|
|||||||L2|16.4 Typ.||0.645 Typ.||
|||||||L4|13|14|0.511|0.551|
|||||||L5|2.65|2.95|0.104|0.116|
|||||||L6|15.25|15.75|0.600|0.620|
||||||||||||
|||||||L7|6.20|6.60|0.244|0.259|
|||||||L9|3.50|3.93|0.137|0.154|
|||||||M|2.6 Typ.||0.102 Typ.||
|||||||Dia.|3.75|3.85|0.147|0.151|



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**Package information** 

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Table 6. D [2] PAK dimensions<br>**----- End of picture text -----**<br>


|**L**|||||||**SS THAN 2mm**<br>**A**<br>**D**<br>**R**<br>**V2**|**Ref.**|**Ref.**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|||||||||||**Millimeters**||**Inches**||
|||||||||||**Min.**|**Max.**|**Min.**|**Max.**|
||**L2**|||||**E NO LE**<br>**C2**<br>**A2**<br>**M**<br>**C**<br>*||||||||
|||||||||A||4.40|4.60|0.173|0.181|
|||||||||||||||
|||||||||A1||2.49|2.69|0.098|0.106|
|||||||||A2||0.03|0.23|0.001|0.009|
||**L3**|||||||B||0.70|0.93|0.027|0.037|
|||||||||B2<br>||1.14<br>|1.70<br>|0.045<br>|0.067<br>|
|||||||||C||0.45|0.60|0.017|0.024|
|||||||||C2||1.23|1.36|0.048|0.054|
|||||||||||||||
|||||||||D||8.95|9.35|0.352|0.368|
|||||||||E||10.00|10.40|0.393|0.409|
|||||||||G||4.88|5.28|0.192|0.208|
|||||||||L||15.00|15.85|0.590|0.624|
|||||||||L2||1.27|1.40|0.050|0.055|
|||||||||L3||1.40|1.75|0.055|0.069|
|||||||||M||2.40|3.20|0.094|0.126|
|||||||||||||||
|||||||||R||0.40 typ.||0.016 typ.||
|||||||||V2||0°|8°|0°|8°|
|**Figure 13.**|||<br>**D2PAK footprint**|||**(dimensions in mm)**||||||||
||||**10.30**|||||||||||
|||||||**16.90**||||||||
|||||||||||||||
|||||||||||||||
|||||||||||||||
|||||||||||||||
|||||||||||||||
|||||||||||||||
|||||||**8.90**||||||||
|||||||||||||||
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**Package information** 

|**Table 7.**|**Table 7.**||**I2PAK d**|**I2PAK d**|**imensions**|**imensions**||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|**L2**<br>**L**||||||**A1**<br>**c**<br>**c2**<br>**A**|**Ref.**|**Dimensions**||||
|||||||||**Millimeters**||**Inches**||
|||||||||**Min.**|**Max.**|**Min.**|**Max.**|
|||||**E**||||||||
||||||||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|
|||||||||||||
|||**L1**||**e**|||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|10.40|0.394|0.409|
||||||||L|13|14|0.512|0.551|
|||||||||||||
||||||||L1|3.50|3.93|0.138|0.155|
||||||||L2|1.27|1.40|0.050|0.055|



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**Ordering information** 

## **3 Ordering information** 

## **Table 8. Ordering information** 

|**Order code**|**Marking**|**Package**|**Weight**|**Base qty **|**Delivery mode**|
|---|---|---|---|---|---|
|STPS40SM60CT|STPS40SM60CT|TO-220AB|2.20 g|50|Tube|
|STPS40SM60CR|STPS40SM60CR|I2PAK|1.49 g|50|Tube|
|STPS40SM60CG-TR|STPS40SM60CG|D2PAK|1.48 g|1000|Tape and reel|



## **4 Revision history** 

|**Table 9.**<br>**Revision history**|**Table 9.**<br>**Revision history**|**Table 9.**<br>**Revision history**|
|---|---|---|
|**Date**|**Revision**|**Changes**|
|02-Nov-2011|1|First issue.|



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