# Schottky Rectifier, 170 V, 80 A, Dual Common Cathode, TO-247, 3 Pins, 840 mV

![Product image](https://novapart.co/image/farnell:1295336/)

**URL**: https://novapart.co/products/STPS80170CW/schottky-rectifier-170-v-80-a-dual-common-cathode
**SKU**: STPS80170CW
**Manufacturer**: STMICROELECTRONICS
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Schottky Diodes || Schottky Rectifier Diodes
**Price**: €2.4700
**Stock**: 1000+
**Lead Time**: 127 days (indicative)

## Description

Repetitive Reverse Voltage Vrrm Max:170V; Forward Current If(AV):40A; Diode Configuration:Dual Common Cathode; Diode Case Style:TO-247; No. of Pins:3Pins; Forward Voltage VF Max:840mV; Forwa

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 3Pins |
| Product Range | STPS8 |
| Qualification | - |
| Diode Mounting | Through Hole |
| Diode Case Style | TO-247 |
| Diode Configuration | Dual Common Cathode |
| Forward Voltage Max | 840mV |
| Forward Surge Current | 500A |
| Average Forward Current | 80A |
| Operating Temperature Max | 175°C |
| Repetitive Peak Reverse Voltage | 170V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:1295336/)

**STPS80170C** 

Datasheet 

## 170 V power Schottky rectifier 

**==> picture [63 x 97] intentionally omitted <==**

**----- Start of picture text -----**<br>
A1<br>K<br>A2<br>aS<br>A2<br>TO-247 K<br>A1<br>**----- End of picture text -----**<br>


## **Features** 

- High junction temperature capability 

- Low leakage current 

- Good trade off between leakage current and forward voltage drop 

- Low thermal resistance 

- High frequency operation 

- Avalanche capability 

- ECOPACK[®] 2 compliant 

## **Applications** 

- Switching diode 

- SMPS 

- DC/DC converter 

- Telecom power 

## **Description** 

This dual diode common cathode Schottky rectifier is suited for high frequency switched mode power supplies. 

Packaged in TO-247, the STPS80170C is optimized for use to enhance the reliability of the application. 

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

|**Product status**<br>~~ea~~|**Product status**<br>~~ea~~|
|---|---|
|STPS80170C<br>~~_~~||
|**Product summary**<br>~~_Lana~~||
|**IF(AV)**<br>~~_~~|2 x 40 A<br>|
|**VRRM**|170 V|
|**Tj(max.)**|175 °C|
|**VF(typ.)**|0.68 V|



**DS4415** - **Rev 3** - **August 2018** For further information contact your local STMicroelectronics sales office. 

www.st.com 

**STPS80170C Characteristics** 

**1** 

## **Characteristics** 

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

|**Symbol**|**Parameter**|||**Value**|**Unit**|
|---|---|---|---|---|---|
|VRRM|Repetitive peak reverse voltage|||170|V|
|IF(RMS)|Forward rms current|||80|A|
|IF(AV)|Average forward current, δ = 0.5, square wave|Tc= 150 °C|Per diode|40|A|
|||Tc= 140 °C|Per device|80||
|IFSM|Surge non repetitive forward current|tp= 10 ms sinusoidal||500|A|
|PARM|Repetitive peak avalanche power|tp= 10 µs, Tj= 125 °C||2750|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|Per diode|0.7|°C/W|
|||Total|0.5||
|Rth(c)|Coupling||0.3|°C/W|



When the diodes 1 and 2 are used simultaneously: ΔTj (diode1) = P(diode1) x Rth(j-c) (per diode) + P(diode2) x Rth(c) 

For more information, please refer to the following application note : 

- AN5088 : Rectifiers thermal management, handling and mounting recommendations 

**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|-||80|µA|
|||Tj= 125 °C||-|20|80|mA|
|VF (2)|Forward voltage drop|Tj= 25 °C|IF= 40 A|-||0.84|V|
|||Tj= 125 °C||-|0.68|0.74||
|||Tj= 25 °C|IF= 80 A|-||0.96||
|||Tj= 125 °C||-|0.80|0.86||



_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) + 0.003 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 

**DS4415** - **Rev 3** 

**page 2/9** 

**STPS80170C Characteristics (curves)** 

## **1.1 Characteristics (curves)** 

**Figure 1. Average forward power dissipation versus Figure 2. Average forward current versus ambient average forward current (per diode) temperature (δ = 0.5, per diode)** 

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

**----- Start of picture text -----**<br>
PF(AV)(W)<br>40<br>δ = 0.1 δ = 0.2 δ = 0.5 δ = 1<br>35<br>δ = 0.05<br>30<br>25<br>20<br>15<br>10 T<br>5<br>I F(AV) (A) δ [=tp/T] tp<br>0<br>0 5 10 15 20 25 30 35 40 45 50<br>**----- End of picture text -----**<br>


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

**----- Start of picture text -----**<br>
IF(AV)(A)<br>45<br>R th(j-a)  = R th(j-c)<br>40<br>35<br>30<br>25<br>20<br>15 Rth(j-a) = 15 °C/W<br>10 T<br>5<br>δ [=tp/T] tp T amb (°C)<br>0<br>0 25 50 75 100 125 150 175<br>**----- End of picture text -----**<br>


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

**==> picture [200 x 143] 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 4. Relative variation of thermal impedance junction to case versus pulse duration** 

**==> picture [222 x 144] intentionally omitted <==**

**----- Start of picture text -----**<br>
Zth(j-c) /Rth(j-c)<br>1.0<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 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>


**DS4415** - **Rev 3** 

**page 3/9** 

**STPS80170C Characteristics (curves)** 

**Figure 5. Reverse leakage current versus reverse voltage Figure 6. Junction capacitance versus reverse voltage applied (typical values, per diode) applied (typical values, per diode)** 

**==> picture [478 x 145] intentionally omitted <==**

**----- Start of picture text -----**<br>
IR(µA) C(pF)<br>1.E+06 10000<br>F = 1 MHz<br>1.E+05 Tj = 150 °C VOSC T j = 30 mV = 25  [°]  C RMS<br>1.E+04 Tj = 125 °C<br>1.E+03 Tj = 100 °C<br>Tj = 75  ° C 1000<br>1.E+02<br>Tj = 50 °C<br>1.E+01<br>Tj = 25 °C<br>1.E+00<br>V R (V) VR(V)<br>1.E-01 100<br>0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 1 10 100 1000<br>**----- End of picture text -----**<br>


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

**----- Start of picture text -----**<br>
Figure 7. Forward voltage drop versus forward current Figure 8. Forward voltage drop versus forward current<br>(per diode, low level) (per diode, high level)<br>40 IF (A) 100.0 IF (A)<br>35<br>Tj = 125 °C<br>(Maximum values)<br>30 (Maximum values)T j=125°Cj  [= 125 °C]<br>10.0<br>25 Tj = 125 °C<br>(Typical values)<br>20 (TypicalT j=125°Cj [ = 125 °C] values) (Maximum values)Tj = 25 °C (Maximum values)Tj = 25 °C<br>15<br>1.0<br>10<br>5<br>VF(V) VF(V)<br>0 0.1<br>0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 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>


**DS4415** - **Rev 3** 

**page 4/9** 

**STPS80170C 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-247 package_information** 

- Epoxy meets UL94, V0 

- Cooling method: by conduction (C) 

- Recommended torque value: 0.8 N·m 

- Maximum torque value: 1.0 N·m 

**Figure 9. TO-247 package outline** 

**==> picture [99 x 32] intentionally omitted <==**

**==> picture [446 x 329] intentionally omitted <==**

**----- Start of picture text -----**<br>
A Heat-sink plane<br>E<br>∅ P<br>S<br>∅ R<br>D<br>L2<br>L1<br>b1<br>L<br>b2<br>1 2 3 3 2 1<br>b c<br>A1<br>Back view<br>e<br>**----- End of picture text -----**<br>


**DS4415** - **Rev 3** 

**page 5/9** 

**STPS80170C TO-247 package information** 

## **Table 4. TO-247 package mechanical data** 

||**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|---|---|
|**Ref.**|**Millimeters**|||**Inches (for reference only)**|||
||**Min.**|**Typ.**|**Max.**|**Min.**|**Typ.**|**Max.**|
|A|4.85||5.15|0.191||0.203|
|A1|2.20||2.60|0.086||0.102|
|b|1.00||1.40|0.039||0.055|
|b1|2.00||2.40|0.078||0.094|
|b2|3.00||3.40|0.118||0.133|
|c|0.40||0.80|0.015||0.031|
|D|19.85||20.15|0.781||0.793|
|E|15.45||15.75|0.608||0.620|
|e|5.30|5.45|5.60|0.209|0.215|0.220|
|L|14.20||14.80|0.559||0.582|
|L1|3.70||4.30|0.145||0.169|
|L2||18.50|||0.728||
|ØP|3.55||3.65|0.139||0.143|
|ØR|4.50||5.50|0.177||0.217|
|S|5.30|5.50|5.70|0.209|0.216|0.224|



**DS4415** - **Rev 3** 

**page 6/9** 

**STPS80170C Ordering information** 

**3 Ordering information** 

## **Table 5. Order code** 

|**Order code**|**Marking**|**Package**|**Weight**|**Base qty.**|**Delivery mode**|
|---|---|---|---|---|---|
|STPS80170CW|STPS80170CW|TO-247|4.36 g|30|Tube|



**DS4415** - **Rev 3** 

**page 7/9** 

**STPS80170C** 

## **Revision history** 

## **Table 6. Document revision history** 

|**Date**|**Revision**|**Changes**|
|---|---|---|
|16-Sep-2005|1|First issue.|
|18-Jan-2018|2|Minor text change to improve readability. Updated Section 2.1: "TO-247 package information".|
|09-Aug-2018|3|UpdatedTable 1. Absolute ratings (limiting values per diode at 25 °C, unless otherwise specified)<br>andFigure 3. Normalized avalanche power derating versus pulse duration (Tj= 125 °C).|



**DS4415** - **Rev 3** 

**page 8/9** 

**STPS80170C** 

## **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 

**DS4415** - **Rev 3** 

**page 9/9** 



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