# Schottky Rectifier, 45 V, 10 A, Dual Common Cathode, TO-220FP, 3 Pins, 550 mV

![Product image](https://novapart.co/image/farnell:9907580/)

**URL**: https://novapart.co/products/STPS20L45CFP/schottky-rectifier-45-v-10-a-dual-common-cathode
**SKU**: STPS20L45CFP
**Manufacturer**: STMICROELECTRONICS
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Schottky Diodes || Schottky Rectifier Diodes
**Price**: €0.3130
**Stock**: 100+
**Lead Time**: 120 days (indicative)

## Description

Repetitive Reverse Voltage Vrrm Max:45V; Forward Current If(AV):10A; Diode Configuration:Dual Common Cathode; Diode Case Style:TO-220FP; No. of Pins:3Pins; Forward Voltage VF Max:550mV; Forward

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 3Pins |
| Product Range | - |
| Qualification | - |
| Diode Mounting | Through Hole |
| Diode Case Style | TO-220FP |
| Diode Configuration | Dual Common Cathode |
| Forward Voltage Max | 550mV |
| Forward Surge Current | 180A |
| Average Forward Current | 10A |
| Operating Temperature Max | 150°C |
| Repetitive Peak Reverse Voltage | 45V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:9907580/)

## **STPS20L45C** 

## Low drop power Schottky rectifier 

Datasheet - production data 

## **Description** 

A1 K A2 ~~ee~~ Dual center tap Schottky rectifiers designed for high frequency switched mode power supplies K and DC to DC converters. These devices are intended for use in low voltage, high frequency inverters, free-wheeling A2 A2 K and polarity protection applications. K A1 A1 **Table 1: Device summary TO-220AB TO-220FPAB Symbol Value** IF(AV) 2 x 10 A K K VRRM 45 V VF  (typ.) 0.44 V ~~ee~~ A1 A2 A1 A2 Tj (max.) 150 °C **D²PAK** 

## **Features** 

- Low forward voltage drop meaning very small conduction losses 

- Low switching losses allowing high frequency operation 

- Insulated package: TO-220FPAB 

   - Insulating voltage = 2000 VRMS sine 

- Avalanche capability specified 

- ECOPACK[®] 2 compliant component for D²PAK on demand 

October 2016 

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This is information on a product in full production. 

_www.st.com_ 

**Characteristics** 

**STPS20L45C** 

## **1 Characteristics** 

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

|**Symbol**|**Parameter**|**Parameter**|**Parameter**|**Parameter**|**Value**|**Unit**|
|---|---|---|---|---|---|---|
|VRRM|Repetitivepeak reverse voltage||||45|V|
|IF(RMS)|Forward rms current||||30|A|
|IF(AV)|Average forward<br>current<br>δ = 0.5, square wave|TO-220AB /<br>D²PAK|TC= 135 °C<br>TC= 130 °C|Per diode|10|A|
|||||Per device|20||
|||TO-220FPAB|TC= 115 °C<br>TC= 100 °C|Per diode|10||
|||||Per device|20||
|IFSM|Surge non repetitive forward current|||tp= 10 ms<br>sinusoidal|180|A|
|PARM|Repetitive peak avalanche power|||tp= 10 µs,<br>Tj= 125 °C|285|W|
|Tstg|Storage temperature range||||-65 to +150|°C|
|Tj|Maximum operating junction temperature_(1)_||||150||



## **Notes:** 

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

||**Table 3: Thermalparameters**|**Table 3: Thermalparameters**|**Table 3: Thermalparameters**|||
|---|---|---|---|---|---|
|**Symbol**|**Parameter**|||**Max. value**|**Unit**|
|Rth(j-c)|Junction to case|TO-220FPAB|Per diode|4.5|°C/W|
||||Total|3.5||
|||TO-220AB<br>D²PAK|Per diode|2.2||
||||Total|1.3||
|Rth(c)|Coupling|TO-220FPAB||2.5||
|||TO-220AB<br>D²PAK||0.3||



When the diodes 1 and 2 are used simultaneously: 

ΔTj (diode1) = P(diode1) x Rth(j-c) (per diode) + P(diode2) 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_(1)_|Reverse leakage current|Tj= 25 °C|VR= VRRM|-||0.2|mA|
|||Tj= 125 °C||-|65|130||
|VF_(1)_|Forward voltage drop|Tj= 25 °C|IF= 10 A|-||0.55|V|
|||Tj= 125 °C|||0.44|0.5||
|||Tj= 25 °C|IF= 20 A|-||0.73||
|||Tj= 125 °C||-|0.62|0.72||



## **Notes:** 

(1)Pulse test: tp = 380 µs, δ < 2% 

To evaluate the conduction losses, use the following equation: 

P = 0.28 x IF(AV) + 0.022 x IF[2] (RMS) 

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**STPS20L45C** 

## **Characteristics** 

## **1.1 Characteristics (curves)** 

**==> picture [448 x 177] intentionally omitted <==**

**----- Start of picture text -----**<br>
Figure 1: Average forward power dissipation  Figure 2: Average forward current versus ambient<br>versus average forward current (per diode)  temperature (δ = 0.5, per diode)<br>87 PF(AV)(W) δ = 0.1 δ = 0.2 δ = 0.5 101211 IF(AV)(A) Rth(j-a) = Rth(j-c) TO-220AB<br>δ = 0.05 9 TO-220FPAB<br>6 8<br>7 Rth(j-a) = 15 °C/W<br>5<br>δ = 1 6<br>4 5<br>4<br>3 3 T<br>2 T 2<br>1 1 δ = tp/T tp Tamb(°C)<br>0 IF(AV) (A) δ = tp/T tp 0 0 25 5 0 7 5 100 125 150<br>0 2 4 6 8 10 12 14<br>**----- End of picture text -----**<br>


**==> picture [462 x 382] intentionally omitted <==**

**----- Start of picture text -----**<br>
Figure 3: Normalized avalanche power deratings  Figure 4: Reverse leakage current versus reverse<br>versus pulse duration (Tj = 125 °C)  voltage applied (typical values, per diode)<br>PARM(tp) 2E+2 IR(mA)<br>1 PARM(10 µs) 1E+2 Tj = 150 °C<br>1E+1 Tj = 125 °C<br>0.1 Tj = 75 °C<br>1E+0<br>0.01 1E-1 Tj = 25 °C<br>1E-2<br>t p(µs)<br>0.001 VR(V)<br>1 10 100 1000 1E-3<br>0 5 10 15 20 25 30 35 40 45<br>Figure 5: Relative variation of thermal impedance  Figure 6: Relative variation of thermal impedance<br>junction to case versus pulse duration   junction to case versus pulse duration<br>(TO-220AB, D²PAK)   (TO-220FPAB)<br>1.0 Zth(j-c)/Rth(j-c) 1.0 Zth(j-c)/Rth(j-c)<br>0.8 0.8<br>0.6 δ = 0.5 0.6 δ = 0.5<br>0.4 δ = 0.2 0.4<br>δ = 0.2<br>δ = 0.1 T δ = 0.1 T<br>0.2 0.2<br>Single pulse<br>tp(s ) δ = tp/T tp Single pulse tp(s ) δ = tp/T tp<br>0.0 0.0<br>1E-3 1E-2 1E-1 1E+0 1E-3 1E-2 1E-1 1E+0 1E+1<br>**----- End of picture text -----**<br>


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**Characteristics** 

**==> picture [456 x 177] intentionally omitted <==**

**----- Start of picture text -----**<br>
Figure 7: Junction capacitance versus reverse  Figure 8: Forward voltage drop versus forward<br>voltage applied (typical values, per diode)  current (maximum values, per diode)<br>C(pF)<br>2000<br>F = 1 MHz<br>VOSC = 30 mVRMS<br>1000 Tj = 25 °C<br>VR(V)<br>100<br>1 2 5 10 20 50<br>**----- End of picture text -----**<br>


**Figure 9: Thermal resistance junction to ambient versus copper surface under tab** 

**==> picture [218 x 142] intentionally omitted <==**

**----- Start of picture text -----**<br>
Rth(j-a) (°C/W)<br>80<br>70<br>60<br>50<br>40<br>30<br>20<br>Epoxy printed board FR4, eCU= 35 µm<br>10<br>SCu(cm²)<br>0<br>0 5 10 15 20 25 30 35 40<br>**----- End of picture text -----**<br>


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**STPS20L45C** 

**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. 

- Cooling method: by conduction (C) 

- Epoxy meets UL 94,V0 

- Recommended torque value: 0.55 N·m for TO-220AB 

- Maximum torque value: 0.7 N·m for TO-220AB 

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**Package** information 

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

**Figure 10: TO-220AB package outline** 

**==> picture [406 x 544] intentionally omitted <==**

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**Package** information 

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

|**Ref.**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|
||**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|1.70|0.045|0.067|
|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|



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**Package** information 

## **STPS20L45C** 

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

**Figure 11: TO-220FPAB package outline** 

**==> picture [406 x 342] intentionally omitted <==**

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**Package** information 

|formation|**STPS20L45C**|**STPS20L45C**|**STPS20L45C**|**STPS20L45C**|
|---|---|---|---|---|
||**Table 6: TO-220FPABpackage mechanical data**||||
|**Ref.**|**Dimensions**||||
||**Millimeters**||**Inches**||
||**Min.**|**Max.**|**Min.**|**Max.**|
|A|4.40|4.60|0.173|0.181|
|B|2.5|2.7|0.098|0.106|
|D|2.5|2.75|0.098|0.108|
|E|0.45|0.70|0.018|0.028|
|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|5.2|0.195|0.205|
|G1|2.4|2.7|0.094|0.106|
|H|10|10.4|0.394|0.409|
|L2|16 typ.||0.63 typ.||
|L3|28.60|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|9.3|0.354|0.366|
|Dia|3|3.2|0.118|0.126|



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**Package** information 

## **STPS20L45C** 

## **2.3 D²PAK package information** 

**Figure 12: D²PAK package outline** 

This package drawing may slightly differ from the physical package. However, all the specified dimensions are guaranteed. 

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**Package** information 

|formation|**STPS20L45C**|**STPS20L45C**|**STPS20L45C**|**STPS20L45C**|
|---|---|---|---|---|
||**Table 7: D²PAKpackage mechanical data**||||
|**Ref.**|**Dimensions**||||
||**Millimeters**||**Inches**||
||**Min.**|**Max.**|**Min.**|**Max.**|
|A|4.36|4.60|0.172|0.181|
|A1|0.00|0.25|0.000|0.010|
|b|0.70|0.93|0.028|0.037|
|b2|1.14|1.70|0.045|0.067|
|c|0.38|0.69|0.015|0.027|
|c2|1.19|1.36|0.047|0.053|
|D|8.60|9.35|0.339|0.368|
|D1|6.90|8.00|0.272|0.311|
|D2|1.10|1.50|0.043|0.060|
|E|10.00|10.55|0.394|0.415|
|E1|8.10|8.90|0.319|0.346|
|E2|6.85|7.25|0.266|0.282|
|e|2.54 typ.||0.100||
|e1|4.88|5.28|0.190|0.205|
|H|15.00|15.85|0.591|0.624|
|J1|2.49|2.90|0.097|0.112|
|L|1.90|2.79|0.075|0.110|
|L1|1.27|1.65|0.049|0.065|
|L2|1.30|1.78|0.050|0.070|
|R|0.4|typ.|0.015||
|V2|0°|8°|0°|8°|



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**Package** information 

**Figure 13: D²PAK recommended footprint (dimensions in mm)** 

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**Ordering** information 

**STPS20L45C** 

## **3 Ordering information** 

**Table 8: Ordering information** 

|**Order code**|**Marking**|**Package**|**Weight**|**Base qty.**|**Delivery mode**|
|---|---|---|---|---|---|
|STPS20L45CT|STPS20L45CT|TO-220AB|1.95g|50|Tube|
|STPS20L45CFP|STPS20L45CFP|TO-220FPAB|1.7g|50|Tube|
|STPS20L45CG-TR|STPS20L45CG|D²PAK|1.38g|1000|Tape and reel|



## **4 Revision history** 

**Table 9: Document revision history** 

|**Date**|**Revision**|**Changes**|
|---|---|---|
|Jul-2003|3C|Last release.|
|22-Mar-2007|4|Removed ISOWATT and TO-247packages.|
|06-Oct-2016|5|Updated cover page.<br>Updated_Section 3: "Characteristics"_and_Section 3.1:_<br>_"Characteristics (curves)"_and_Section 5: "Ordering_<br>_information"_and_Section 4.4: "D²PAK package information"_.|



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## **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. 

© 2016 STMicroelectronics – All rights reserved 

DocID8001 Rev 5 

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## Links

- [View this product on Novapart](https://novapart.co/products/STPS20L45CFP/schottky-rectifier-45-v-10-a-dual-common-cathode)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/stmicroelectronics/stps20l45cfp/diode-schottky-20a-45v/dp/9907580)
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