# Schottky Rectifier, 100 V, 20 A, Dual Common Cathode, TO-220AB, 3 Pins, 940 mV

![Product image](https://novapart.co/image/farnell:2807481/)

**URL**: https://novapart.co/products/STPS20S100CT/schottky-rectifier-100-v-20-a-dual-common-cathode
**SKU**: STPS20S100CT
**Manufacturer**: STMICROELECTRONICS
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Schottky Diodes || Schottky Rectifier Diodes
**Price**: €0.4150
**Stock**: 500+
**Lead Time**: 120 days (indicative)

## Description

Repetitive Reverse Voltage Vrrm Max:100V; Forward Current If(AV):20A; Diode Configuration:Dual Common Cathode; Diode Case Style:TO-220AB; No. of Pins:3Pins; Forward Voltage VF Max:940

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 3Pins |
| Product Range | - |
| Qualification | - |
| Diode Mounting | Through Hole |
| Diode Case Style | TO-220AB |
| Diode Configuration | Dual Common Cathode |
| Forward Voltage Max | 940mV |
| Forward Surge Current | 180A |
| Average Forward Current | 20A |
| Operating Temperature Max | 175°C |
| Repetitive Peak Reverse Voltage | 100V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2807481/)

**STPS20S100C** 

Datasheet 

## 100 V power Schottky rectifier 

## **Features** 

**==> picture [135 x 108] intentionally omitted <==**

**----- Start of picture text -----**<br>
A1<br>K<br>A2 i .<br>K<br>e A1 K A2 FF A1KA2<br>TO-220AB TO-220FPAB<br>**----- End of picture text -----**<br>


- High junction temperature capability for converters located in confined environment 

- Low leakage current at high temperature 

- Low static and dynamic losses as a result of the Schottky barrier 

- Avalanche specification 

- ECOPACK[®] 2 compliant 

## **Applications** 

- Switching diode 

- SMPS 

- DC/DC converter 

- LED lighting 

- Desktop power supply 

## **Description** 

Schottky barrier rectifier designed for high frequency miniature switched mode power supplies such as adaptors and on board DC/DC converters. 

The STPS20S100C is housed in TO-220AB and TO-220FPAB packages. 

## **Product status link** ~~ea~~ 

**Product status link** STPS20S100C 

|**Product status link**<br>~~ea~~|**Product status link**<br>~~ea~~|
|---|---|
|STPS20S100C||
|**Product summary**<br>~~—_——~~||
|**Symbol**<br>~~—_—~~|**Value**<br>~~——~~|
|**IF(AV)**|2 x 10 A|
|**VRRM**|100 V|
|**Tj**|175 °C|
|**VF (typ.)**|0.66 V|



**DS4269** - **Rev 3** - **May 2018** For further information contact your local STMicroelectronics sales office. 

www.st.com 

**STPS20S100C Characteristics** 

**1** 

## **Characteristics** 

**Table 1. Absolute ratings (limiting values at 25 °C, unless otherwise specified, per diode)** 

|**Symbol**|**Parameter**|**Parameter**|**Parameter**|**Parameter**|**Value**|**Unit**|
|---|---|---|---|---|---|---|
|VRRM|Repetitive peak reverse voltage||||100|V|
|IF(RMS)|Forward rms current||||30|A|
|IF(AV)|Average forward current|TO-220AB|Tc= 155 °C, δ = 0.5|Per diode|10|A|
||||Tc= 150 °C, δ = 0.5|Per device|20||
|||TO-220FPAB|Tc= 135 °C, δ = 0.5|Per diode|10||
||||Tc= 115 °C, δ = 0.5|Per device|20||
|IFSM|Surge non repetitive forward current||tp= 10 ms sinusoidal||180|A|
|PARM|Repetitive peak avalanche power||tp= 10 µs, Tj= 125 °C||518|W|
|Tstg|Storage temperature range||||-65 to +175|°C|
|Tj|Maximum operating junction temperature(1)||||175|°C|



_1. (dPtot/dTj) < (1/Rth(j-a)) condition to avoid thermal runaway for a diode on its own heatsink._ 

**Table 2. Thermal resistance parameters** 

|**Symbol**||**Parameter**||**Max. value**|**Unit**|
|---|---|---|---|---|---|
|Rth(j-c)|Junction to case|TO-220AB|Per diode|2.2|°C/W|
||||Total|1.3||
|||TO-220FPAB|Per diode|4.5||
||||Total|3.5||
|Rth(c)|Coupling|TO-220AB||0.3||
|||TO-220FPAB||2.5||



When the diodes 1 and 2 are used simultaneously : 

ΔTj(diode 1) = P(diode1) x Rth(j-c)(per diode) + P(diode 2) x Rth(c) 

**Table 3. Static electrical characteristics (per diode)** 

|**Symbol**|**Parameter**|**Test conditions**|**Test conditions**|**Min.**|**Typ.**|**Max.**|**Unit**|
|---|---|---|---|---|---|---|---|
|IR(1)|Reverse leakage current|Tj= 25 °C|VR= VRRM|-||3.5|µA|
|||Tj= 125 °C||-|1.3|4.5|mA|



**DS4269** - **Rev 3** 

**page 2/12** 

**STPS20S100C Characteristics** 

|**Symbol**|**Parameter**|**Test conditions**|**Test conditions**|**Min.**|**Typ.**|**Max.**|**Unit**|
|---|---|---|---|---|---|---|---|
|VF(2)|Forward voltage drop|Tj= 25 °C|IF= 5 A|-||0.73|V|
|||Tj= 125 °C||-|0.57|0.61||
|||Tj= 25 °C|IF= 10 A|-||0.85||
|||Tj= 125 °C||-|0.66|0.71||
|||Tj= 25 °C|IF= 20 A|-||0.94||
|||Tj= 125 °C||-|0.74|0.80||



_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 = 0.62 x IF(AV) + 0.009 x IF[2] (RMS) 

For more information, please refer to the following application notes related to the power losses : 

- AN604: Calculation of conduction losses in a power rectifier 

- AN4021: Calculation of reverse losses on a power diode 

**DS4269** - **Rev 3** 

**page 3/12** 

**STPS20S100C Characteristics (curves)** 

## **1.1 Characteristics (curves)** 

**Figure 1. Average forward power dissipation versus average forward current (per diode)** 

**==> picture [218 x 141] intentionally omitted <==**

**----- Start of picture text -----**<br>
PF(AV)(W)<br>10<br>δ = 0.05 δ = 0.1 δ = 0.2 δ = 0.5 δ = 1<br>9<br>8<br>7<br>6<br>5<br>4<br>3<br>T<br>2<br>1<br>I F(AV) (A) δ [=][tp/T] tp<br>0<br>0 1 2 3 4 5 6 7 8 9 10 11 12 13<br>**----- End of picture text -----**<br>


**Figure 3. Normalized avalanche power derating versus pulse duration (Tj = 125 °C)** 

**==> picture [193 x 142] intentionally omitted <==**

**----- Start of picture text -----**<br>
PARM(tp)<br>1 PARM(10 µs)<br>0.1<br>0.01<br>t p(µs)<br>0.001<br>1 10 100 1000<br>**----- End of picture text -----**<br>


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

**==> picture [217 x 142] intentionally omitted <==**

**----- Start of picture text -----**<br>
IF(AV)(A)<br>11<br>Rth(j-a) = Rth(j-c) TO-220AB<br>10<br>9<br>8 TO-220FPAB<br>7<br>6 R th(j-a)  = 15 °C/W<br>5<br>4<br>3 T<br>2<br>1 δ [=tp/T] tp Tamb( ° C)<br>0<br>0 25 50 75 100 125 150 175<br>**----- End of picture text -----**<br>


**Figure 4. Relative variation of thermal impedance junction to case versus pulse duration (TO-220AB)** 

**==> picture [218 x 140] intentionally omitted <==**

**----- Start of picture text -----**<br>
Zth(j-c) /Rth(j-c)<br>1.0<br>TO-220AB<br>0.9<br>0.8<br>0.7<br>0.6<br>0.5<br>0.4<br>0.3<br>0.2<br>0.1 Single pulse<br>t P (s)<br>0.0<br>1.E-03 1.E-02 1.E-01 1.E+00<br>**----- End of picture text -----**<br>


**DS4269** - **Rev 3** 

**page 4/12** 

**STPS20S100C Characteristics (curves)** 

**Figure 5. Relative variation of thermal impedance junction Figure 6. Reverse leakage current versus reverse voltage to case versus pulse duration (TO-220FPAB) applied (typical values, per diode)** 

**==> picture [473 x 142] intentionally omitted <==**

**----- Start of picture text -----**<br>
1.0 Zth(j-c)/Rth (j-c) 1.E+01 IR(mA)<br>TO-220FPAB T j = 150 °C<br>0.9<br>0.8 1.E+00 Tj = 125 °C<br>0.7<br>0.6 1.E-01 Tj = 100 °C<br>0.5 T j = 75 °C<br>0.4 1.E-02<br>0.3 T j = 50 °C<br>0.2 1.E-03<br>0.1 Tj = 25 °C<br>Single pulse t P (s) VR(V)<br>0.0 1.E-04<br>1.E-03 1.E-02 1.E-01 1.E+00 1.E+01 0 10 20 30 40 50 60 70 80 90 100<br>**----- End of picture text -----**<br>


**==> picture [513 x 206] intentionally omitted <==**

**----- Start of picture text -----**<br>
Figure 7. Junction capacitance versus reverse voltage Figure 8. Forward voltage drop versus forward current<br>applied (typical values, per diode) (per diode)<br>C(pF) IF (A)<br>1000 100<br>F = 1 MHz<br>V OSC  = 30 mV RMS<br>T j = 25 °C<br>T j  = 125 °C<br>(Maximum values)<br>Tj = 25 °C<br>100 10 (Typ Tj ical values = 125 °C ) (Maximum values)<br>VR(V) VF (V)<br>10 1<br>1 10 100 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4<br>**----- End of picture text -----**<br>


**DS4269** - **Rev 3** 

**page 5/12** 

**STPS20S100C Package information** 

**2 Package information** 

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. 

## **2.1 TO-220FPAB package information** 

- Epoxy meets UL94, V0 

- Cooling method: by conduction (C) 

- Recommended torque value: 0.55 N·m 

- Maximum torque value: 0.70 N·m 

## **Figure 9. TO-220FPAB package outline** 

**==> picture [254 x 300] intentionally omitted <==**

**----- Start of picture text -----**<br>
A<br>H B<br>Dia<br>L6<br>L2 L7<br>L3<br>L5<br>D<br>F1<br>L4<br>F2<br>F<br>E<br>G1<br>G<br>**----- End of picture text -----**<br>


**DS4269** - **Rev 3** 

**page 6/12** 

**STPS20S100C TO-220FPAB package information** 

**Table 4. TO-220FPAB package mechanical data** 

||**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|
|**Ref.**|**Millimeters**||**Inches**||
||**Min.**|**Max.**|**Min.**|**Max.**|
|A|4.40|4.60|0.173|0.181|
|B|2.50|2.70|0.098|0.106|
|D|2.50|2.75|0.098|0.108|
|E|0.45|0.70|0.018|0.027|
|F|0.75|1.00|0.03|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|2.40|2.70|0.094|0.106|
|H|10.00|10.40|0.393|0.409|
|L2|16.00 typ.||0.63 typ.||
|L3|28.60|30.60|1.126|1.205|
|L4|9.80|10.60|0.386|0.417|
|L5|2.90|3.60|0.114|0.142|
|L6|15.90|16.40|0.626|0.646|
|L7|9.00|9.30|0.354|0.366|
|Dia|3.00|3.20|0.118|0.126|



**DS4269** - **Rev 3** 

**page 7/12** 

**STPS20S100C TO-220AB package information** 

## **2.2 TO-220AB package information** 

- Epoxy meets UL 94,V0 

- Cooling method: by conduction (C) 

- Recommended torque value: 0.55 N·m 

- Maximum torque value: 0.70 N·m 

## **Figure 10. TO-220AB package outline** 

**==> picture [316 x 376] intentionally omitted <==**

**Table 5. TO-220AB package mechanical data** 

||**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|
|**Ref.**|**Millimeters**||**Inches**||
||**Min.**|**Max.**|**Min.**|**Max.**|
|A|4.40|4.60|0.173|0.181|
|b|0.61|0.88|0.240|0.035|
|b1|1.14|1.55|0.045|0.061|



**DS4269** - **Rev 3** 

**page 8/12** 

**STPS20S100C TO-220AB package information** 

||**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|
|**Ref.**|**Millimeters**||**Inches**||
||**Min.**|**Max.**|**Min.**|**Max.**|
|c|0.48|0.70|0.019|0.028|
|D|15.25|15.75|0.600|0.620|
|D1|1.27 typ.||0.050 typ.||
|E|10.00|10.40|0.394|0.409|
|e|2.40|2.70|0.094|0.106|
|e1|4.95|5.15|0.195|0.203|
|F|1.23|1.32|0.048|0.052|
|H1|6.20|6.60|0.244|0.260|
|J1|2.40|2.72|0.094|0.107|
|L|13.00|14.00|0.512|0.551|
|L1|3.50|3.93|0.138|0.155|
|L20|16.40 typ.||0.646 typ.||
|L30|28.90 typ.||1.138 typ.||
|θP|3.75|3.85|0.148|0.152|
|Q|2.65|2.95|0.104|0.116|



**DS4269** - **Rev 3** 

**page 9/12** 

**STPS20S100C Ordering information** 

## **3** 

## **Ordering information** 

**Table 6. Ordering information** 

|**Order code**|**Marking**|**Package**|**Weight**|**Base qty.**|**Delivery mode**|
|---|---|---|---|---|---|
|STPS20S100CT|STPS20S100CT|TO-220AB|1.95 g|50|Tube|
|STPS20S100CFP|STPS20S100CFP|TO-220FPAB|1.90 g|||



**DS4269** - **Rev 3** 

**page 10/12** 

**STPS20S100C** 

## **Revision history** 

**Table 7. Document revision history** 

|**Date**|**Version**|**Changes**|
|---|---|---|
|16-Mar-2005|1|First issue.|
|03-Feb-2010|2|Added cathode indicator K to illustration of TO-220AB on cover page.<br>Changed parameter in Table 2 from “ RMS forward voltage “ to “ Forward rms<br>current “.|
|11-May-2018|3|Removed figure 4, figure 5 and figure 6.<br>UpdatedFigure 3. Normalized avalanche power derating versus pulse<br>duration (Tj= 125 °C),Table 1. Absolute ratings (limiting values at 25 °C,<br>unless otherwise specified, per diode),Figure 4. Relative variation of thermal<br>impedance junction to case versus pulse duration (TO-220AB)andFigure<br>5. Relative variation of thermal impedance junction to case versus pulse<br>duration (TO-220FPAB).<br>UpdatedSection 3 Ordering information.<br>Removed I²PAK package.<br>Minor text changes to improve readability.|



**DS4269** - **Rev 3** 

**page 11/12** 

**STPS20S100C** 

## **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. 

© 2018 STMicroelectronics – All rights reserved 

**DS4269** - **Rev 3** 

**page 12/12** 



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- [Supplier page](https://es.farnell.com/stmicroelectronics/stps20s100ct/schottky-rect-dual-100v-to-220ab/dp/2807481)
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