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STPS20SM100STN
Small Signal Schottky Diode, Single, 100 V, 20 A, 900 mV, 350 A, 150 °C
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- Manufacturer: STMICROELECTRONICS
- Product type: Small Signal Schottky Diodes
- No. of Pins: 3Pins
- Product Range: STPS2
- Diode Mounting: Through Hole
- Diode Case Style: TO-220AB
- Diode Configuration: Single
- Forward Voltage Max: 900mV
- Forward Surge Current: 350A
- Average Forward Current: 20A
- Operating Temperature Max: 150°C
- Repetitive Peak Reverse Voltage: 100V
| Delivery and price | |
|---|---|
| Units per pack | 1 |
| Price | 0.157 € |
| Current stock | 10+ |
| Lead time | 30 days |
Datasheet
Power Schottk rectifier y
**==> picture [61 x 39] intentionally omitted <==**
## **Features**
- High current capability
- Avalanche rated
- Low forward voltage drop current
- High frequency operation
- Insulated package (TO-220FPAB):
- Insulation voltage 2000 V rms
- Package capacitance = 12 pF
## **Description**
This single Schottky rectifier is suited for high frequency switch mode power supply.
Packaged in TO-220AB, TO-220FPAB, D[2] PAK and I[2] PAK, 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**
|IF(AV)|20 A|
|---|---|
|VRRM|100 V|
|Tj (max)|150 °C|
|VF(typ)|0.480 V|
## **STPS20SM100S**
**==> picture [177 x 237] intentionally omitted <==**
**----- Start of picture text -----**<br>
A(1)<br>K(2)<br>A(3)<br>K<br>A<br>A<br>A<br>A K K<br>TO-220AB I [2] PAK<br>STPS20SM100ST STPS20SM100SR<br>K<br>A<br>A<br>A K<br>A<br>TO-220FPAB D [2] PAK<br>STPS20SM100SFP STPS20SM100SG<br>**----- End of picture text -----**<br>
## **Figure 1. Electrical characteristics[(a)]**
**==> picture [172 x 165] intentionally omitted <==**
**----- Start of picture text -----**<br>
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 14._ VAR and IAR are pulse measurements (tp < 1 µs). VR, IR, VRRM and VF, are static characteristics
1/11
April 2010
Doc ID 15524 Rev 2
_www.st.com_
**Characteristics**
**STPS20SM100S**
## **1 Characteristics**
**Table 2. Absolute ratings (limiting values with terminals 1 and 3 short circuited)**
|**Symbol**|**Parameter**|**Parameter**|**Value**|**Unit**|
|---|---|---|---|---|
|VRRM|Repetitive peak reverse voltage||100|V|
|IF(RMS)|Forward rms current||30|A|
|IF(AV)|Average forward currentδ= 0.5|TO-220AB, D2PAK, I2PAK Tc= 125 °C|20|A|
|||TO-220FPAB Tc= 85 °C|||
|IFSM|Surge non repetitive forward current|tp= 10 ms sinusoidal,<br>terminals 1 and 3 short circuited|350|A|
|PARM<br>(1)|Repetitive peak avalanche power|tp= 1 µs Tj= 25 °C|15000|W|
|VARM<br>(2)|Maximum repetitive peak avalanche<br>voltage|tp< 1 µs Tj< 150 °C<br>IAR< 37.5 A|120|V|
|VASM<br>(2)|Maximum single pulse peak<br>avalanche voltage|tp< 1 µs Tj< 150 °C<br>IAR< 37.5 A|120|V|
|Tstg|Storage temperature range||-65 to + 150|°C|
|Tj|Maximum operating junction temperature(3)||150|°C|
1. For temperature or pulse time duration deratings, refer to _Figure 4._ and _Figure 5._ . More details regarding the avalanche energy measurements and diode validation in the avalanche are provided in the application notes AN1768 and AN2025.
2. Refer to _Figure 14._
3. dPtot---------------dTj < ------------------------Rth(1j – a **-** ) condition to avoid thermal runaway for a diode on its own heatsink
## **Table 3. Thermal resistance**
|**Table 3.**|**Thermal resistance**||||
|---|---|---|---|---|
|**Symbol**||**Parameter**|**Value**|**Unit**|
|Rth(j-c)|Junction to case|TO-220AB, D2PAK, I2PAK|1.3|°C/W|
|||TO-220FPAB|4||
## **Table 4. Static electrical characteristics (terminals 1 and 3 short circuited)**
|**Symbol**|**Parameter**|**Test conditions**|**Test conditions**|**Min.**|**Typ.**|**Max.**|**Unit**|
|---|---|---|---|---|---|---|---|
|IR<br>(1)|Reverse leakage current|Tj= 25 °C|VR= VRRM||10|30|µA|
|||Tj= 125 °C|||10|30|mA|
|||Tj= 25 °C|VR= 70 V||5||µA|
|||Tj= 125 °C|||5||mA|
|VF<br>(2)|Forward voltage drop|Tj= 25 °C|IF= 5 A||565||mV|
|||Tj= 125 °C|||480|||
|||Tj= 25 °C|IF= 10 A||685|||
|||Tj= 125 °C|||560|620||
|||Tj= 25 °C|IF= 20 A||800|900||
|||Tj= 125 °C|||630|700||
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 = 0.6 x IF(AV) + 0.005 x IF2(RMS)
2/11
Doc ID 15524 Rev 2
**STPS20SM100S**
**Characteristics**
**Figure 2. Average forward power dissipation Figure 3. Average forward current versus versus average forward current ambient temperature (** δ **= 0.5)**
**==> picture [442 x 137] intentionally omitted <==**
**----- Start of picture text -----**<br>
PF(av)(W) IF(av)(A)<br>22 22<br>2018 (TTTSeTTTee[TTTTTT? TTT PyTT tTPy tTyeetttPeeeeetttPy e Perettt δ = 0.5 ttt tt ae δ = 1 TT)[| 2018 esaaa GG QQ| Rth(j-a)=Rth(j-c) ne OS| TO-220AB/I²PAK GOGA ||<br>16 a PTT?Oyy Py ey Pe ye ee c > A.Annm 16 poofpot PX QD<br>TO-220FPAB<br>1412 fsaesa n δ = 0.2 annean. e 2m nee 1412 ifes GG KRNeee\GO<br>10 [fy||yyy δ yy = 0.05 [AIA δ = 0.1 LAlALeewae| 2pweet 4aeeeee 10 a aee aeea OG eea GGG, Rth(j-a)=15°C/W DGre aCO eeA |<br>8 8<br>6 Ltt[| | || || freerAA eee tt eePet tt tt T 6 T aPoa ee a W|<br>4 [| 4 ND<br>|_| | | UV AA a<br>2 |LTA| | gaAgar| ttti ttttt ey IF(av)(A) te ye PtPTPTTt δ [=tp/T] 7 tp 2 δ [=tp/T] at tp Cs Tamb QQ (°C) esreesODee ee ee |<br>0 Lf~i Titi trTtiti ti a 0 es es rs es ee<br>0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 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**
**==> picture [446 x 134] intentionally omitted <==**
**----- Start of picture text -----**<br>
1 P SS PARMARM(1µs)(t p) 1.2 P a ARMPARM(25 °C)(Tj)<br>aESFe tet 1 PRererPrrrrppppFEEEEEEEEREEEEppp pep EEEEEEEEEE pp ee ey<br>0.1 tA 0.8 BEER EE EEE EER EEE EEE EE EEE<br>SSTI TUN TUT) SERSREE EERE EEEES<br>PT TT SSTINS | 0.6 {|_|}CEPR RR}EEEef} f+} +} f+ +$ + + ++<br>a | ee a<br>0.01 apta SII 0.4 eea<br>SS ee REEEE ERE EREErr<br>FEE EE tH EH 0.2 a<br>0.001 CoCo t p(µs) TT 0 oe T (°C)j<br>Cn ont TEP FREEEEEEEEEL _EEREEE EERE<br>0.01 0.1 1 10 100 1000 25 50 75 100 125 150<br>**----- End of picture text -----**<br>
## **Figure 6. Non repetitive surge peak forward current versus overload duration, maximum values**
**Figure 7. Non repetitive surge peak forward current versus overload duration, maximum values (TO-220FPAB)**
**==> picture [442 x 138] intentionally omitted <==**
**----- Start of picture text -----**<br>
IM(A) IM(A)<br>320 180<br>TO-220AB/I²PAK TO-220FPAB<br>280 eefTPH ee TT I]| 160140 fTaRa Tee et |<br>240 pt Pe aPS SETtte<br>e e 120 SSC<br>200 a i LS<br>160 a SS ee Se TC=25°C 100 egPeOO TC=25°C<br>PT NPN FP |}?-’*+|"*+" !}] 80 a<br>120 es esPS a TC=75°C 60 oSa S R TC=75°C i<br>ee IES E<br>80 I M a279377077 ei |TTS S I TC=125°C 40 I M TSQO 9 T_tooo ee T TC=125°C<br>400 -2777-1UGA δ =0.5 YG). t ii t(s) aaUR= 200 |]Jo77Ca WAY. 0 δ =0.5 t 701Ga. L t(s) aee a el<br>1.E-03 1.E-02 1.E-01 1.E+00 1.E-03 1.E-02 1.E-01 1.E+00<br>**----- End of picture text -----**<br>
3/11
Doc ID 15524 Rev 2
**Characteristics**
**STPS20SM100S**
**==> picture [456 x 178] intentionally omitted <==**
**----- Start of picture text -----**<br>
Figure 8. Relative variation of thermal Figure 9. Relative variation of thermal<br>impedance junction to case impedance junction to case versus<br>versus pulse duration pulse duration (TO-220FPAB)<br>Zth(j-c)/Rth(j-c) Zth(j-c)/Rth(j-c)<br>1.0 1.0<br>TO-220AB/I²PAK TO-220FPAB<br>0.9 e e ee ee 0.9 bo TTA EE EE<br>pT TT eeTT TTT fT TTTaPZ<br>0.8 pT 0.8 TT<br>po TT TT A fT TTT TTTT)<br>0.7 Pt ee 0.7 ff TTT<br>pT TT ETP TTT PT TTPTTT<br>0.6 a GOTTOO TT0 Ooae 0.6 fofo oT TTTTT TTAATT)<br>a OO 2 Poot TTT TT PATT<br>0.5 pt TT a 0.5 a a<br>a OO OO fo TTAA<br>0.4 Pt TT a TTT 0.4 foot TTTay<br>pf | tiie tT TT TTT a A 0 a<br>0.3 Single pulse 0.3<br>eet PP TT T fT Tee T<br>0.2 |e Pri i tity tt TT [| 0.2 a Single pulse a a<br>es | TT TT [| n d ee a<br>0.1 rea eeee tp(s) TT[TTT δ [=tp/T] tp IT| 0.1 [oer TTTeerTT I tp(s) LTLt TT δ [=tp/T] tp [1a<br>0.0 a eeee Thee pare ae 0.0 csLt Titi tT [LI [TT] Ty tt [P] re TTTel<br>1.E-03 1.E-02 1.E-01 1.E+00 1.E-03 1.E-02 1.E-01 1.E+00 1.E+01<br>**----- End of picture text -----**<br>
## **Figure 10. Reverse leakage current versus reverse voltage applied (typical values)**
**==> picture [212 x 137] intentionally omitted <==**
**----- Start of picture text -----**<br>
IR(mA)<br>1.E+02<br>===—— == Tj=150°C = ————<br>ae Se<br>1.E+01 SeS=-Sees Tj=125°C<br>Sea SaaS e ae<br>1.E+00 Te== E= Tj=100°C Laaaaeee<br>ee Tj=75°C ===<br>1.E-01 SSS555802=———=2eennnee<br>Tj=50°C<br>f a eee S=———oeeee<br>1.E-02<br>=2=—2—-Sse Tj=25°C Senneeeeee<br>VR(V)<br>1.E-03 [TTT TTTErttrit ttt [|<br>0 10 20 30 40 50 60 70 80 90 100<br>**----- End of picture text -----**<br>
4/11
Doc ID 15524 Rev 2
**STPS20SM100S**
**Characteristics**
**==> picture [462 x 374] intentionally omitted <==**
**----- Start of picture text -----**<br>
Figure 11. Junction capacitance versus Figure 12. Forward voltage drop versus<br>reverse voltage applied forward current (terminals 1 and 3<br>(typical values) short circuited)<br>C(pF) IFM(A)<br>10000 40<br>F=1MHz<br>VOSC=30mVRMS<br>Tj=25°C Tj=125°C<br>30 (Maximum values)<br>1000 20 (TypicalTj=125°Cvalues) Tj=25°C<br>(Maximum values)<br>10<br>VFM(V)<br>VR(V)<br>100 0<br>1 10 100 0.0 0.2 0.4 0.6 0.8 1.0 1.2<br>Figure 13. Thermal resistance junction to Figure 14. Reverse safe operating area<br>ambient versus copper surface (tp < 1 µs and Tj < 150 °C)<br>under tab for D [2] PAK<br>Rth(j-a)(°C/W)<br>80 Iarm (A)<br>46<br>Epoxy printed board FR4, copper thickness = 35 µm)<br>70 44<br>60 42 Forbidden area<br>40<br>50<br>38<br>40 36<br>30 34 Operating area<br>32<br>20 30 Varm (V)<br>10 28<br>S(cm²)<br>0 100 110 120 130 140 150<br>0 5 10 15 20 25 30 35 40<br>**----- End of picture text -----**<br>
5/11
Doc ID 15524 Rev 2
**STPS20SM100S**
**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<br>|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.||
|||||||Diam.|3.75|3.85|0.147|0.151|
6/11
Doc ID 15524 Rev 2
**STPS20SM100S**
**Package information**
**Table 6. TO-220FPAB dimensions**
|**L3**|||||**L7**<br>**E**|**Ref.**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|---|---|---|---|---|---|
||||||||**Millimeters**||**Inches**||
||||||||**Min.**|**Max.**|**Min.**|**Max.**|
|||||||A|4.4|4.6|0.173|0.181|
|||||**A**<br>**B**<br>**Dia**<br>**L6**<br>**L5**<br>**F1**<br>**F2**<br>**F**<br>**D**|||||||
|||||||B|2.5|2.7|0.098|0.106|
||||**H**|||D|2.5|2.75|0.098|0.108|
||||||||||||
|||||||E|0.45|0.70|0.018|0.027|
||**L4**<br>**L2**||||||||||
|||||||F|0.75|1|0.030|0.039|
|||||||F1|1.15|1.70|0.045|0.067|
||||||||||||
|||||||F2|1.15|1.70|0.045|0.067|
|||||||G|4.95|5.20|0.195|0.205|
||||**G1**<br>**G**|||G1|2.4|2.7|0.094|0.106|
|||||||H|10|10.4|0.393|0.409|
|||||||L2|16 Typ.||0.63 Typ.||
|||||||L3|28.6|30.6|1.126|1.205|
|||||||L4|9.8|10.6|0.386|0.417|
|||||||L5|2.9|3.6|0.114|0.142|
||||||||||||
|||||||L6|15.9|16.4|0.626|0.646|
|||||||L7|9.00|9.30|0.354|0.366|
|||||||Dia.|3.00|3.20|0.118|0.126|
7/11
Doc ID 15524 Rev 2
**STPS20SM100S**
**Package information**
Mounting (soldering) the I[2] PAK metal slug (heatsink) with alloy, like a surface mount device, IS NOT PERMITTED. A standard through-hole mounting is mandatory.
|**Table 7.**<br>**I2PAK dimensions**|**Table 7.**<br>**I2PAK dimensions**|**Table 7.**<br>**I2PAK dimensions**|**Table 7.**<br>**I2PAK dimensions**||||||
|---|---|---|---|---|---|---|---|---|
|**E**<br>**L2**<br>**L1**<br>**b1**<br>**D**<br><br>**b**<br>**e**<br>**e1**<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|
|||||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|
8/11
Doc ID 15524 Rev 2
**STPS20SM100S**
**Package information**
**==> picture [148 x 11] intentionally omitted <==**
**----- Start of picture text -----**<br>
Table 8. D [2] PAK dimensions<br>**----- End of picture text -----**<br>
|**L**||||||**ESS THAN 2mm**<br>**A**<br>**D**<br>**R**<br>**V2**|**Ref.**|**Ref.**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
||||||||||**Millimeters**||**Inches**||
||||||||||**Min.**|**Max.**|**Min.**|**Max.**|
||**L2**||||||||||||
||||||||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 15.**<br>**D2PAK footprint(di**||||||**mensions in mm)**|||||||
|**10.30**|||||||||||||
|||||||**16.90**|||||||
||||||||||||||
||||||||||||||
||||||||||||||
||||||||||||||
||||||||||||||
||||||||||||||
|||||||**8.90**|||||||
||||||||||||||
||||||||||||||
||||||||||||||
||||||||||||||
9/11
Doc ID 15524 Rev 2
**Ordering information**
**STPS20SM100S**
## **3 Ordering information**
## **Table 9. Ordering information**
|**Order code**|**Marking**|**Package**|**Weight**|**Base qty**|**Delivery mode**|
|---|---|---|---|---|---|
|STPS20SM100ST|PS20SM100ST|TO-220AB|2.2 g|50|Tube|
|STPS20SM100SFP|PS20SM100SFP|TO-220FPAB|1.70 g|50|Tube|
|STPS20SM100SR|PS20SM100SR|I2PAK|1.49 g|50|Tube|
|STPS20SM100SG-TR|PS20SM100SG|D2PAK|1.48 g|1000|Tape and reel|
## **4 Revision history**
## **Table 10. Document revision history**
|**Date**|**Revision**|**Changes**|
|---|---|---|
|25-Mar-2009|1|First issue.|
|16-Apr-2010|2|Updated package graphic for TO-220AB on front page and in<br>_Table 5_.|
10/11
Doc ID 15524 Rev 2
**STPS20SM100S**
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**www.st.com**
11/11
Doc ID 15524 Rev 2
Updated at February 9, 2023
STMicroelectronics is a global leader in the semiconductor industry, recognized for developing highly integrated, energy-efficient solutions that power modern electronics. With a strong focus on innovation, ST provides a comprehensive portfolio of microelectronics that address the demanding requirements of industrial, automotive, communications, and consumer applications. Our extensive selection of STMicroelectronics components is built around a robust lineup of discrete semiconductors and circuit protection devices. We offer a wide variety of single MOSFETs, Schottky diodes, and fast and ultrafast recovery rectifier diodes, designed to deliver exceptional efficiency and thermal performance in power management and conversion systems. For robust circuit protection, our inventory features hundreds of transient voltage suppressors and TVS diodes that safeguard sensitive electronic components against destructive voltage spikes. In addition to core power discretes like TRIACs, SCRs, bipolar transistors, and single IGBTs, our STMicroelectronics range includes specialized integrated passive filters and MEMS sensors. Furthermore, ST offers advanced integrated passive devices, such as baluns and RF filters, which utilize high-quality monolithic RF IPD processes on glass or high-resistance silicon substrates. These components provide competitive cost structures, reduced power losses, and simplified RFIC-to-antenna matching, ensuring optimal system performance and delivering the reliability required for next-generation wireless and power designs.
About Novapart
Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 410,000+ components from 500+ manufacturers.
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When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.
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We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.
BOM Analysis service →