STPS20M100SFP

Small Signal Schottky Diode, Single, 100 V, 20 A, 850 mV, 530 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-220FPAB
Diode Configuration: Single
Forward Voltage Max: 850mV
Forward Surge Current: 530A
Average Forward Current: 20A
Operating Temperature Max: 150°C
Repetitive Peak Reverse Voltage: 100V

Delivery and price
Units per pack	1
Price	0.48 €
Current stock	10+
Lead time	30 days

Datasheet

**STPS20M100S** 

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: 

   - 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)|0.455 V|



**==> picture [185 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>STPS20M100ST STPS20M100SR<br>K<br>A<br>A<br>A K<br>A<br>TO-220FPAB D [2] PAK<br>STPS20M100SFP STPS20M100SG-TR<br>**----- End of picture text -----**<br>


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

**==> picture [172 x 164] 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 15521 Rev 2 

_www.st.com_ 

**Characteristics** 

**STPS20M100S** 

## **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 current rms||30|A|
|IF(AV)|Average forward currentδ= 0.5|TO-220AB, D2PAK, I2PAK, Tc= 130 °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|530|A|
|PARM<br>(1)|Repetitive peak avalanche power|tp= 1 µs   Tj= 25 °C|16000|W|
|VARM<br>(2)|Maximum repetitive peak avalanche<br>voltage|tp< 1 µs   Tj< 150 °C<br>IAR< 40 A|120|V|
|VASM<br>(2)|Maximum single pulse peak<br>avalanche voltage|tp< 1 µs   Tj< 150 °C<br>IAR< 40 A|120|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, 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|1.2|°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= 70 V||5||µA|
|||Tj= 125 °C|||5||mA|
|||Tj= 25 °C|VR= 100 V||10|40|µA|
|||Tj= 125 °C|||10|40|mA|
|VF<br>(2)|Forward voltage drop|Tj= 25 °C|IF= 5 A||550||mV|
|||Tj= 125 °C|||455|||
|||Tj= 25 °C|IF= 10A||660|730||
|||Tj= 125 °C|||530|600||
|||Tj= 25 °C|IF= 20 A||775|850||
|||Tj= 125 °C|||610|690||



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 = 0.425 x IF(AV) + 0.0088 x IF2(RMS) 

2/11 

Doc ID 15521 Rev 2 

**STPS20M100S** 

**Characteristics** 

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

**==> picture [434 x 131] intentionally omitted <==**

**----- Start of picture text -----**<br>
20 PF(av)(W) 22 IF(av)(A)<br>18 aee a | δ=0.5 CT δ=1 = 20 SSee ee Rth(j-a)=Rth(j-c) TO-220AB/I²PAK/D²PAK ee—<br>16 soeHA  eee ee 18 [a GWRN<br>PEt FH HEH SW<br>14 Serr i e  ee δ=0.2 PtPET retA ee 16 r a R TO-220FPAB ee I<br>1210 EEEEHAh δ=0.05 δ=0.1 4nn)vA 4ep4 SeeZ| 1412 aea eeaa GG SO T SQA<br>8 SeeSan eeeven4 ee ae4S aeeee 10 NT a Rth(j-a)=15°C/W oe or<br>Sane.) 4 46 6c aeS See 8 eee n e<br>6 COCVA KeAL EEE| T 6 T [ANE a<br>4 OD hie 4 a a<br>2 LLtj Aeyget| i te IF(av)(A) yt δ [=tp/T] ek tp 2 δ [=tp/T] tp a es Tamb(°C)<br>0 DTCC ECeee CCOCCELrererery 0 a es ee eS<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 [423 x 128] intentionally omitted <==**

**----- Start of picture text -----**<br>
1 PPARMARM(1µs)(t p) 1.2 P ARMP ARM(25°C)(T j)<br>Lt TT NTT)NY 1 NSEa a A OO<br>0.1 EN NS 0.8 BSEEEEEEE EEE<br>ee 0.6 Pe<br>eee ee REESE<br>0.01 0.4<br>a—PPoee SSoi PtSS SS Hei PEPE EEE rere eee eee eeea<br>EEE EE HE ETE Et 0.2 EEE AAS EEE EEE 4<br>0.001 Lea | t p(µs) Ceea 0 PP eee T j(°C) es<br>25 50 75 100 125 150<br>0.01 0.1 1 10 100 1000<br>**----- End of picture text -----**<br>


## **Figure 6. Non repetitive surge peak forward Figure 7. Non repetitive surge peak forward current versus overload current versus overload duration, duration, maximum values maximum values** 

**==> picture [434 x 134] intentionally omitted <==**

**----- Start of picture text -----**<br>
IM(A) IM(A)<br>280 140<br>Terminals 1 and 3 short circuited TO-220AB/I²PAK/D²PAK Terminals 1 and 3 short circuited TO-220FPAB<br>240 , |_| LL il 120 [oe LT |<br>200 SHH [Tt _| 100 [I |<br>a HR eH | ER S O E<br>|| Pre ET P| TT TeP>NPe ETT<br>160 80 TC=25°C<br>poe P e TC=25°C a e ee E e<br>|_| Pree eA !<br>120 Et TC=75°C 60 ee ee TC=75°C<br>ee | Pe. EP e e<br>80 Pe 0ee OSl O e e 40 a||a EETONA sT Pl<br>TC=125°C TC=125°C<br>40 I M ZOOY77 97 YTLETT TE U| 20 I M ZOO 9 HH tT S d<br>nn δ =0.5 t t(s) ee e 277 δ =0.5 t 7 t(s) U H<br>0  a LE 0 we |l NEa<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 15521 Rev 2 

**Characteristics** 

**STPS20M100S** 

## **Figure 8. Relative variation of thermal impedance junction to case versus pulse duration** 

## **Figure 9. Relative variation of thermal impedance junction to case versus pulse duration** 

**==> picture [462 x 146] intentionally omitted <==**

**----- Start of picture text -----**<br>
Zth(j-c)/Rth(j-c) Zth(j-c)/Rth(j-c)<br>1.0 1.0<br>0.9 TO-220AB/I²PAK/D²PAK 0.9 TO-220FPAB<br>0.8 0.8<br>0.7 0.7<br>0.6 0.6<br>0.5 0.5<br>0.4 0.4<br>0.3 Single pulse 0.3<br>0.2 0.2 Single pulse<br>0.1 tp(s) 0.1 tp(s)<br>0.0 0.0<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. Thermal resistance junction to ambient versus copper surface under tab** 

## **Figure 11. Reverse leakage current versus reverse voltage applied  (typical values)** 

**==> picture [462 x 147] intentionally omitted <==**

**----- Start of picture text -----**<br>
80 Rth(j-a)(°C/W) 1.E+02 IR(mA)<br>Epoxy printed board FR4, copper thickness = 35 µm) D²PAK Tj=150°C<br>70<br>1.E+01<br>60 Tj=125°C<br>50 1.E+00 Tj=100°C<br>40 Tj=75°C<br>1.E-01<br>30<br>Tj=50°C<br>20<br>1.E-02<br>Tj=25°C<br>10<br>SCu(cm²) VR(V)<br>0 1.E-03<br>0 5 10 15 20 25 30 35 40 0 10 20 30 40 50 60 70 80 90 100<br>**----- End of picture text -----**<br>


## **Figure 12. Junction capacitance versus reverse voltage applied (typical values)** 

## **Figure 13. Forward voltage drop versus forward current (terminals 1 and 3 short circuited)** 

**==> picture [462 x 147] intentionally omitted <==**

**----- Start of picture text -----**<br>
10000 C(pF) 40 IFM(A)<br>F=1MHz<br>VOSCT=30mVj=25°C RMS 35<br>30 Tj=125°C<br>(Maximum values)<br>25<br>1000 20 Tj=125°C (Maximum values)Tj=25°C<br>(Typical values)<br>15<br>10<br>VR(V) 5 VFM(V)<br>100 0<br>1 10 100 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2<br>**----- End of picture text -----**<br>


4/11 

Doc ID 15521 Rev 2 

**STPS20M100S** 

**Characteristics** 

**Figure 14. Reverse safe operating area (tp < 1 µs and Tj < 150 °C)** 

**==> picture [243 x 113] intentionally omitted <==**

**----- Start of picture text -----**<br>
Iarm (A)<br>50<br>45<br>Forbidden area<br>40<br>35<br>30<br>Operating area<br>25 Varm (V)<br>20<br>100 110 120 130 140 150<br>**----- End of picture text -----**<br>


5/11 

Doc ID 15521 Rev 2 

**STPS20M100S** 

**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 15521 Rev 2 

**STPS20M100S** 

**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 15521 Rev 2 

**STPS20M100S** 

**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. I[2] PAK dimensions** 

|**E**<br>**L2**<br>**L1**<br>**b1**<br>**D**<br><br>**b**<br>**e**<br>**e1**<br>**L**|**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**|**Dimensions**|**Dimensions**|**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|



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Doc ID 15521 Rev 2 

**STPS20M100S** 

**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 15521 Rev 2 

**Ordering information** 

**STPS20M100S** 

## **3 Ordering information** 

## **Table 9. Ordering information** 

|**Order code**|**Marking**|**Package**|**Weight**|**Base qty**|**Delivery mode**|
|---|---|---|---|---|---|
|STPS20M100ST|PS20M100ST|TO-220AB|2.2 g|50|Tube|
|STPS20M100SFP|PS20M100SFP|TO-220FPAB|1.70 g|50|Tube|
|STPS20M100SR|PS20M100SR|I2PAK|1.49 g|50|Tube|
|STPS20M100SG-TR|PS20M100SG|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 15521 Rev 2 

**STPS20M100S** 

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11/11 

Doc ID 15521 Rev 2

Updated at February 9, 2023

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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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Stock Shortage Specialist

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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Compliant Alternatives

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 →