STPS40M60CT

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## **STPS40M60C** 

## High efficiency 60 V power Schottky rectifier 

## **Features** 

- High current capability 

- Avalanche rated 

- Low forward voltage drop 

- Low leakage current 

- High frequency operation 

## **Description** 

This dual diode Schottky rectifier is suited for high frequency switch mode power supply. 

Packaged in TO-220AB, I[2] PAK and D[2] PAK, this device is particularly suited for use in notebook, game station and desktop adapters, providing these applications with a good efficiency at both low and high load. 

## **Table 1. Device summary** 

|**Symbol**|**Value**|
|---|---|
|IF(AV)|2 x 20 A|
|VRRM|60 V|
|Tj (max)|150 °C|
|VF(typ)|385 mV|



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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>STPS40M60CR STPS40M60CG-TR<br>K<br>A2<br>K<br>A1<br>TO-220AB<br>STPS40M60CT<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 13_ . VAR and IAR are pulse measurements (tp < 1 µs). VR, IR, VRRM and VF, are static characteristics 

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Doc ID 018813 Rev 1 

_www.st.com_ 

**Characteristics** 

**STPS40M60C** 

## **1 Characteristics** 

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

||**otherwise specified)**|**otherwise specified)**|**otherwise specified)**|**otherwise specified)**|||
|---|---|---|---|---|---|---|
|**Symbol**|**Parameter**||||**Value**|**Unit**|
|VRRM|Repetitive peak reverse voltage||||60|V|
|IF(RMS)|Forward rms current||||30|A|
|IF(AV)|Average forward current,δ= 0.5||Tc= 130 °C<br>Tc= 120 °C|Per diode<br>Per device|20<br>40|A|
|IFSM|Surge non repetitive forward current||tp= 10 ms sinusoidal||220|A|
|PARM<br>(1)|Repetitive peak avalanche power||Tj= 25 °C, tp= 1 µs||23000|W|
|VARM<br>(2)|Maximum repetitive peak<br>avalanche voltage|tp< 1 µs, Tj< 150 °C, IAR< 86.3 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 3 and 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 _Figure 13_ 

|2.<br>See_Figure 13_|2.<br>See_Figure 13_||||
|---|---|---|---|---|
|3.<br>condition to avoid thermal runaway for a diode on<br>**Table 3.**<br>**Thermalparameters**<br>dPtot<br>dTj<br><<br>1<br>Rth(j-a)||its own heatsink|||
|**Symbol**|**Parameter**||**Value**|**Unit**|
|Rth(j-c)|Junction to case|per diode|1.40|°C/W|
|||total|0.95||
|Rth(c)|Coupling||0.50|°C/W|



When the two diodes 1 and 2 are used simultaneously: 

Δ Tj(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<br>T<br>T|Tj= 25 °C|VR= 60 V|-|25|110|µA|
|||Tj= 125 °C||-||85|mA|
|VF<br>(2)<br>Forward voltage drop|Forward voltage drop<br>T<br>T<br>T<br>T<br>T<br>T<br>T<br>T|Tj= 25 °C|IF= 5A|-|0.430|0.460|V|
|||Tj= 125 °C||-|0.325|0.355||
|||Tj= 25 °C|IF= 10 A|-|0.470|0.505||
|||Tj= 125 °C||-|0.385|0.435||
|||Tj= 25 °C|IF= 20 A|-|0.540|0.595||
|||Tj= 125 °C||-|0.475|0.535||
|||Tj= 25 °C|IF= 40 A|-|0.645|0.730||
|||Tj= 125 °C||-|0.605|0.675||



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 = 0.395 x IF(AV) + 0.007 x IF2(RMS) 

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Figure 2. Average forward power dissipation  Figure 3. Average forward current versus<br>versus average forward current ambient temperature<br>(per diode) ( δ  = 0.5, per diode)<br>PF(AV)(W) IF(AV)(A)<br>16 24<br>T δ=0.5 δ=1 22<br>14 [COL] —— Rth(j-a)=Rth(j-c)<br>P LP. Tl] [HEE] COEtte) [.] eee|_| 20 aeGC s CC CO |<br>12 δ [=tp/T] tp δ=0.2 18<br>1 PO er K E ]<br>10 EE E δ=0.05 ol δ=0.1 , LTA eee 1614 ee ee — | — + "><br>8 FETE |LAAA | 12 eea OG<br>COCOA| EATALPeerAZ E EE | a a a a CC OA WO<br>6 COO A AOAC 10 ee<br>COCO AZ 8 aVV<br>4 LPL 6 a a<br>COO AY eee K—+-—_+—_ | —_+_ | + _+-_+_ |_|}<br>2 CUO [AWZATEELELEEE]  AAAAAPTEEEEEEeeeeeeee [ CELE] e e ee 4 aEFIa a<br>WAT IF(AV)(A) 2 ss ee a Tamb(°C) !<br>0 LRA EEEEEEEEEEEHHE 0 ——<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>


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**STPS40M60C** 

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

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Figure 5. Normalized avalanche power<br>derating versus junction<br>temperature<br>**----- End of picture text -----**<br>


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PARM(tp) PARM(T )j<br>1 —_———— PARM(1µs) 1.2 P rf] ARM(25 °C) fei pT ei pT ee ty? Ey Ey ye Ey<br>EeaEESSE | GSS 1 Kitt ttf yf fy yf fy tf tt<br>} | TrTNru a<br>0.1 PTETICIPATENQ 0.8 a, a<br>SSS TIT | SESS<br>— e let a e ee cn on (EO SO<br>PE 0.6 PoSSR<br>SS SSS | aGERELL EL EL L_ EL ELL LE<br>0.01 aesPAE CTIee CAIee eeeCANU) | 0.4 aEEEa EES EEE EEE<br>| ———— aOO<br>EEEee 0.2<br>0 ee | Reeoo<br>0.001 PETA tp(µs) 0 oe Tj(°C)<br>TTT PEE LU PP) )  ee<br>0.01 0.1 1 10 100 1000 25 50 75 100 125 150<br>Figure 6. Non repetitive surge peak forward  Figure 7. Relative thermal impedance<br>current versus overload duration  junction to case versus pulse<br>(maximum values, per diode) duration<br>260240 aSRS IM(A) EE 1.00.9 noo a Zth(j-c) a /Rth(j-c) 0 oo eo<br>220<br>SE_~ > EEE | 0.8 rrOe<br>200<br>If A ft HH a<br>180 a— ESS eS 0.7 Poota TTT8<br>160140 PooPfeemS ETS——$§_ StMN a OS AH TC=25°C 0.60.5 a[oTa TT2YT<br>120100 eeH+}a ++ +4} —+_}eeSH st TC=75°C 0.4 (|aa a |aTT A<br>806040 Sa IM ;MeeBesgA OO woDe a T DS TC=125°C 0.30.2 aa(| Single pulse a| PTa[TTP8seeeco<br>20 I - δ =0.5 t ne eSeert2 t(s) cHrH 0.1 =a—oS tp(s)<br>0 a ian 0.0 Lt Titi Ft tT Titi TT LI}<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>Figure 8. Reverse leakage current versus  Figure 9. Junction capacitance versus<br>reverse voltage applied reverse voltage applied<br>(typical values, per diode) (typical values, per diode)<br>IR(mA) C(pF)<br>1.E+03 ee eee SS ee SSS SSS SSS 555] 10000 eS SS SS GS LL CSGG I<br>SS SSS SS SS SSS ee F=1MHz =<br>1.E+02 Le_———a eeee ee Tj=150°C ee arr ee ee en S| Seaa ee a aaa a a EE VOSCT=30mVj=25°C RMS CI}7<br>1.E+01 a Tj=125°C PE<br>Tj=100°C<br>1.E+00 === — 1000 ee lll<br>_— es Tj=75°C oP<br>1.E-01 +a———_f Tj=50°C re—— eee poeT aST<br>1.E-02 SS e Tj=25°C e aPT<br>1.E-03 SSLjSee[| Jf ff ft tf fy ft VR(V) 100 E T VR(V)<br>0 10 20 30 40 50 60 1 10 100<br>**----- End of picture text -----**<br>


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**Characteristics** 

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Figure 10. Forward voltage drop versus  Figure 11. Forward voltage drop versus<br>forward current (per diode, low  forward current (per diode, high<br>level) level)<br>IFM(A) IFM(A)<br>40 1000.0<br>35<br>(Maximum values)Tj=125°C (Maximum values)Tj=125°C<br>30 100.0<br>25 (Typical values)Tj=125°C<br>Tj=125°C<br>(Typical values)<br>20 10.0<br>Tj=25°C<br>(Maximum values)<br>15<br>Tj=25°C<br>10 (Maximum values) 1.0<br>5 VFM(V) VFM(V)<br>0 0.1<br>0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6<br>**----- End of picture text -----**<br>


**Figure 12. Thermal resistance junction to Figure 13. Reverse safe operating area ambient versus copper surface (tp < 1 µs and Tj < 150 °C) under tab for D[2] PAK** 

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Rth(j-a)(°C/W)<br>80<br>70 Epoxy printed board FR4copper thickness = 35 µm D2PAK 90.0 Iarm (A)<br>85.0<br>60<br>80.0<br>Forbidden area<br>50 75.0<br>40 70.0<br>30 65.0<br>60.0 Permitted area<br>20<br>10 2 55.050.0 Varm (V)<br>0 SCu(cm ) 80 85 90 95 100 105 110 115 120 125 130<br>0 5 10 15 20 25 30 35 40<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. 

**Table 5. TO-220AB dimensions** 

|**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** 

|**Table 6.**|**Table 6.**|**Table 6.**|**D2PAK dimensions**|**D2PAK dimensions**|||||||
|---|---|---|---|---|---|---|---|---|---|---|
|**L**|||||**SS THAN 2mm**<br>**A**<br>**D**<br>**R**<br>**V2**|**Ref.**|**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°|



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Figure 14. D [2] PAK footprint (dimensions in mm)<br>16.90<br>10.30 5.08<br>1.30<br>3.70<br>8.90<br>**----- End of picture text -----**<br>


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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**|
|---|---|---|---|---|---|
|STPS40M60CT|STPS40M60CT|TO-220AB|2.2 g|50|Tube|
|STPS40M60CR|STPS40M60CR|I2PAK|1.6 g|50|Tube|
|STPS40M60CG-TR|STPS40M60CG|D2PAK|1.5 g|1000|Tape and reel|



## **4 Revision history** 

**Table 9. Revision history** 

|**Date**|**Revision**|**Changes**|
|---|---|---|
|11-May-2011|1|First issue.|



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