# Schottky Rectifier, 40 V, 10 A, Dual Common Cathode, TO-277A, 3 Pins, 600 mV

![Product image](https://novapart.co/image/farnell:3932207RL/)

**URL**: https://novapart.co/products/STPS10L40CSF/schottky-rectifier-40-v-10-a-dual-common-cathode
**SKU**: STPS10L40CSF
**Manufacturer**: STMICROELECTRONICS
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Schottky Diodes || Schottky Rectifier Diodes
**Price**: €0.2970
**Stock**: 1000+
**Lead Time**: 120 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 3Pins |
| Product Range | - |
| Qualification | - |
| Diode Mounting | Surface Mount |
| Diode Case Style | TO-277A |
| Diode Configuration | Dual Common Cathode |
| Forward Voltage Max | 600mV |
| Forward Surge Current | 120A |
| Average Forward Current | 10A |
| Operating Temperature Max | 150°C |
| Repetitive Peak Reverse Voltage | 40V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3932207RL/)

**STPS10L40CSF** 

Datasheet 

## 40 V, 2 x 5 A low forward voltage power Schottky rectifier 

## **Features** 

- Low profile design – 1.1mm package typical height 

- Wettable flanks for automatic visual inspection 

- Very low conduction losses 

- High forward surge current capability 

- ECOPACK2 compliant 

## **Applications** 

- DC/DC converter 

- Stand by power 

- Oring 

- Polarity protection 

## **Description** 

This 2 x 5 A, 40 V Schottky diode is suitable for power supply, especially for lighting power, as well as auxiliary power in server or telecom SMPS. 

Packaged in PSMC (TO-277A), this STPS10L40CSF, dual diode device provides a high level of efficiency in a compact and flat package is ideal for oring function in server for instance. 

## **Product status link** 

STPS10L40CSF 

## **Product summary** 

|**IF(AV)**|2 x 5 A|
|---|---|
|**VRRM**|40 V|
|**Tj (max.)**|150 °C|
|**VF (typ.)**|0.370 V|



**DS13739** - **Rev 1** - **May 2021** For further information contact your local STMicroelectronics sales office. 

www.st.com 

**STPS10L40CSF Characteristics** 

## **1 Characteristics** 

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

|**Symbol**|**Parameter**|**Parameter**||**Value**|**Unit**|
|---|---|---|---|---|---|
|VRRM|Repetitive peak reverse voltage|||40|V|
|IF(AV)|Average forward current, δ = 0.5<br>square wave|Tc= 135 °C(1)|Per diode|5|A|
||||Per device|10||
|PARM|Repetitive avalanche power|tp= 10 µs|Tj= 125 °C|165|W|
|IFSM|Surge non repetitive forward current|tp= 10 ms sinusoidal||120|A|
|Tstg|Storage temperature range|||-65 to +175|°C|
|Tj|Maximum operating junction temperature(2)|||+150|°C|



_1. Value based on Rth(j-c)(max.)._ 

_2. (dPtot/dTj) < (1/Rth(j-a)) condition to avoid thermal runaway for a diode on its own heatsink._ 

**Table 2. Thermal resistance parameter** 

|**Symbol**|**Parameter**|**Parameter**|**Typ.**<br>**value**|**Unit**|
|---|---|---|---|---|
|Rth(j-c)|Junction to case, per device|PSMC (TO-277)|1.0|°C/W|



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|-||125|µA|
|||Tj= 125 °C||-|30|50|mA|
|VF(2)|Forward voltage drop|Tj= 25 °C|IF= 5 A|-||0.495|V|
|||Tj= 125 °C||-|0.370|0.430||
|||Tj= 25 °C|IF= 10 A|-||0.600||
|||Tj= 125 °C||-|0.505|0.590||



_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 = 0.25 x IF(AV) + 0.036 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 

**DS13739** - **Rev 1** 

**page 2/9** 

**STPS10L40CSF Characteristics (curves)** 

## **1.1 Characteristics (curves)** 

**==> picture [513 x 191] intentionally omitted <==**

**----- Start of picture text -----**<br>
Figure 1. Average forward current versus case Figure 2. Relative variation of thermal impedance junction<br>temperature (δ = 0.5, per diode) to case versus pulse duration<br>IF(AV)(A) Zth(j-c) /Rth(j-c)<br>25 1.0<br>0.9<br>20 0.8<br>0.7<br>15 0.6<br>0.5<br>10 0.4<br>0.3<br>5 T 0.2 Single pulse<br>0.1<br>δ [=tp/T] tp Tc(°C) t P(s)<br>0 0.0<br>0 25 50 75 100 125 150 1.E-04 1.E-03 1.E-02 1.E-01 1.E+00<br>**----- End of picture text -----**<br>


**Figure 3. Reverse leakage current versus reverse voltage applied (typical values, per diode)** 

**==> picture [224 x 142] intentionally omitted <==**

**----- Start of picture text -----**<br>
IR(mA)<br>1.E+02<br>Tj = 125 °C<br>1.E+01<br>Tj = 100 °C<br>1.E+00 Tj = 75 °C<br>Tj = 50 °C<br>1.E-01<br>Tj = 25  ° C<br>1.E-02<br>VR(V)<br>1.E-03<br>0 5 10 15 20 25 30 35 40<br>**----- End of picture text -----**<br>


**Figure 4. Junction capacitance versus reverse voltage applied (typical values, per diode)** 

**==> picture [226 x 145] intentionally omitted <==**

**----- Start of picture text -----**<br>
C(pF)<br>1000<br>F = 1 MHz<br>VOSC  T j [= 30 mV] = 25 °C RMS<br>VR(V)<br>100<br>1 10 100<br>**----- End of picture text -----**<br>


**Figure 5. Forward voltage drop versus forward current (typical values, per diode)** 

**==> picture [225 x 139] intentionally omitted <==**

**----- Start of picture text -----**<br>
IF(A)<br>100.0<br>10.0 Tj = 25 °C<br>T j = 75 °C<br>Tj = 125 °C<br>1.0<br>Tj = 150 °C<br>VF(V)<br>0.1<br>0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8<br>**----- End of picture text -----**<br>


**Figure 6. Thermal resistance junction to ambient versus copper surface under tab (typical values, epoxy printed board FR4, eCu= 70 µm)** 

**==> picture [222 x 139] intentionally omitted <==**

**----- Start of picture text -----**<br>
Rth(j-a) (°C/W)<br>120<br>Epoxy printed board FR4, copper thickness: 70 μm PSMC (TO-277A)<br>100<br>80<br>60<br>40<br>20<br>S Cu (cm²)<br>0<br>0 1 2 3 4 5 6 7 8 9 10<br>**----- End of picture text -----**<br>


**DS13739** - **Rev 1** 

**page 3/9** 

**STPS10L40CSF Characteristics (curves)** 

**Figure 7. Normalized avalanche power derating versus pulse duration (Tj = 125 °C)** 

**==> picture [220 x 162] intentionally omitted <==**

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


**DS13739** - **Rev 1** 

**page 4/9** 

**STPS10L40CSF 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 PSMC (TO-277A) package information** 

- Epoxy meets UL94,V0 

- Cooling method : by conduction (C) 

**Figure 8. PSMC (TO-277A) package outline** 

**DS13739** - **Rev 1** 

**page 5/9** 

**STPS10L40CSF PSMC (TO-277A) package information** 

**Table 4. PSMC (TO-277A) package mechanical data** 

||**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|---|---|
|**Ref.**|**Millimeters**|||**Inches (for reference only)**|||
||**Min.**|**Typ.**|**Max.**|**Min.**|**Typ.**|**Max.**|
|A|1.00|1.10|1.20|0.039|0.043|0.047|
|b|1.05|1.20|1.35|0.041|0.047|0.053|
|b2|1.90|2.05|2.20|0.075|0.081|0.087|
|b4||0.75|||0.029||
|C|0.15|0.23|0.40|0.006|0.009|0.016|
|D|4.45|4.60|4.75|0.175|0.181|0.187|
|D1|4.25|4.40|4.45|0.167|0.173|0.175|
|D2|3.40|3.60|3.70|0.134|0.142|0.146|
|E|6.35|6.50|6.65|0.250|0.256|0.262|
|E1|6.05|6.10|6.15|0.238|0.240|0.242|
|E2|4.50|4.60|4.70|0.177|0.181|0.185|
|E3||3.94|||1.55||
|e||2.13|||0.084||
|e1||3.33|||0.131||
|G||1.20|||0.047||
|G1||0.70|||0.027||
|L|0.90|1.05|1.24|0.035|0.041|0.049|
|L4|0.02|||0.0008|||
|L5|0.02|||0.0008|||



**Figure 9. PSMC (TO-277A) package footprint in mm (in inches)** 

_Note: For package and tape orientation, reel and inner box dimensions and tape outline please check TN1173_ 

**DS13739** - **Rev 1** 

**page 6/9** 

**STPS10L40CSF Ordering Information** 

**3 Ordering information** 

## **Table 5. Ordering information** 

|**Order code**|**Marking**|**Package**|**Weight**|**Base qty.**|**Delivery mode**|
|---|---|---|---|---|---|
|STPS10L40CSF|10L40C|PSMC (TO-277A)|90 mg|6000|Tape and reel|



**DS13739** - **Rev 1** 

**page 7/9** 

**STPS10L40CSF** 

## **Revision history** 

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

|**Date**|**Version**|**Changes**|
|---|---|---|
|20-May-2021|1|Initial release.|



**DS13739** - **Rev 1** 

**page 8/9** 

**STPS10L40CSF** 

## **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. For additional information about ST trademarks, please refer to www.st.com/trademarks. 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. 

© 2021 STMicroelectronics – All rights reserved 

**DS13739** - **Rev 1** 

**page 9/9** 



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- [Supplier page](https://es.farnell.com/stmicroelectronics/stps10l40csf/schottky-rectifier-40v-10a-to/dp/3932207RL)
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