# Schottky Rectifier, 40 V, 1 A, Single, SOD-123, 2 Pins, 550 mV

![Product image](https://novapart.co/image/farnell:4035970/)

**URL**: https://novapart.co/products/STPS140ZY/schottky-rectifier-40-v-1-a-single-sod-123-2-pins
**SKU**: STPS140ZY
**Manufacturer**: STMICROELECTRONICS
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Schottky Diodes || Schottky Rectifier Diodes
**Price**: €0.0760
**Stock**: 10+
**Lead Time**: 127 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 2Pins |
| Product Range | - |
| Qualification | AEC-Q101 |
| Diode Mounting | Surface Mount |
| Diode Case Style | SOD-123 |
| Diode Configuration | Single |
| Forward Voltage Max | 550mV |
| Forward Surge Current | 5.5A |
| Average Forward Current | 1A |
| Operating Temperature Max | 150°C |
| Repetitive Peak Reverse Voltage | 40V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4035970/)

## **STPS140Z-Y** 

## Automotive power Schottky rectifier 

**Datasheet** - **production data** 

## **Description** 

This single Schottky rectifier is suited for switch mode power supplies and high frequency DC to DC converters. 

Packaged in SOD-123, this device is intended for use in low voltage, high frequency inverters, free wheeling and polarity protection for automotive applications. 

**Table 1. Device summary** 

## **Features** 

- Very small conduction losses 

- Negligible switching losses 

- Extremely fast switching 

- ECOPACK[®] 2 compliant component 

- AEC-Q101 qualified 

|**Symbol**|**Value**|
|---|---|
|IF(AV)|1 A|
|VRRM|40 V|
|Tj(max)|150 °C|
|VF (max)|0.51 V|



July 2015 

DocID023830 Rev 2 

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This is information on a product in full production. 

_www.st.com_ 

**Characteristics** 

**STPS140Z-Y** 

## **1 Characteristics** 

**Table 2. Absolute Ratings (limiting values)** 

|||**Table 2. Absolute Ratings (limiting values)**|**Table 2. Absolute Ratings (limiting values)**|||
|---|---|---|---|---|---|
|**Symbol**||**Parameter**||**Value**|**Unit**|
|VRRM||Repetitive peak reverse voltage||40|V|
|IF||Continuous forward current|Tamb= 60 °C|1|A|
|IFSM||Surge non repetitive forward current|tp= 10 ms sinusoidal|5.5|A|
|IRRM||Repetitive peak reverse current|tp= 2 µs F = 1 kHz square|0.5|A|
|IRSM||Non repetitive peak reverse current|tp= 100 µs square|1|A|
|Tstg||Storage temperature range||- 65 to + 150|°C|
|Tj||Operating junction temperature(1)||- 40 to + 150|°C|
|dV/dt||Critical rate of rise of reverse voltage||10000|V/µs|
|1.|condition to avoid thermal runaway for a diode on its own heatsink<br>**Table 3. Thermal resistance**<br>dPtot<br>dTj<br><<br>1<br>Rth(j-a)|||||
|**Symbol**||**Parameter**||**Value**|**Unit**|
|Rth(j-a)||Junction to ambient(1)||500|°C/W|



1. Mounted on epoxy board. 

**Table 4. Static electrical characteristics** 

|**Symbol**|**Parameter**|**Test conditions**|**Test conditions**|**Min.**|**Typ.**|**Max.**|**Unit**|
|---|---|---|---|---|---|---|---|
|IR<br>(1)|Reverse leakage current|Tj= 25 °C|VR= 5 V|||10|µA|
|||Tj= 25 °C|VR= 40 V|||40||
|||Tj= 100 °C|||1.5|5|mA|
|VF<br>(2)|Forward voltage drop|Tj= 25 °C|IF= 1 A|||0.55|V|
|||Tj= 100 °C|||0.45|0.51||



1. Pulse test: tp = 5 ms, δ < 2% 

2. Pulse test: tp = 380 ms, δ < 2% 

To evaluate the maximum conduction losses use the following equation: P = 0.2 x IF(AV) + 0.3 x IF2(RMS)[ at T] j[ = 150 °C] 

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**STPS140Z-Y** 

**Characteristics** 

**==> picture [463 x 196] intentionally omitted <==**

**----- Start of picture text -----**<br>
Figure 1.  Average forward power dissipation  Figure 2. Average forward current versus<br>versus average forward current ambient temperature ( δ  = 1)<br>**----- End of picture text -----**<br>


**Figure 3. Non repetitive surge peak forward Figure 4. Relative variation of thermal current versus overload duration (maximum impedance junction to ambient versus pulse values) duration** 

**==> picture [223 x 135] intentionally omitted <==**

**==> picture [223 x 133] intentionally omitted <==**

**----- Start of picture text -----**<br>
Zth(j-a)/Rth(j-a)<br>1E+0<br>δ = 0.5<br>δ = 0.2 epoxy printed circuit board FR4<br>with recommended pad layout<br>1E-1 δ = 0.1<br>T<br>Single pulse<br>tp(s) δ [=tp/T] tp<br>1E-2<br>1E-2 1E-1 1E+0 1E+1 5E+1<br>**----- End of picture text -----**<br>


DocID023830 Rev 2 

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**Characteristics** 

**STPS140Z-Y** 

**==> picture [463 x 208] intentionally omitted <==**

**----- Start of picture text -----**<br>
Figure 5. Reverse leakage current versus  Figure 6. Reverse leakage current versus<br>reverse voltage applied junction temperature (typical value)<br>(typical value)<br>**----- End of picture text -----**<br>


**==> picture [463 x 196] intentionally omitted <==**

**----- Start of picture text -----**<br>
Figure 7. Junction capacitance versus reverse  Figure 8. Forward voltage drop versus forward<br>voltage applied (typical value) current (high level, maximum values)<br>**----- End of picture text -----**<br>


**Figure 9. Forward voltage drop versus forward current (low level, maximum values)** 

**==> picture [223 x 139] intentionally omitted <==**

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**Package Information** 

## **2 Package Information** 

- Epoxy meets UL94,V0 

- Lead-free packages 

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 SOD-123 package information** 

**==> picture [168 x 11] intentionally omitted <==**

**----- Start of picture text -----**<br>
Figure 10. SOD123 package outline<br>**----- End of picture text -----**<br>


**==> picture [230 x 192] intentionally omitted <==**

**----- Start of picture text -----**<br>
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**Table 5. SOD123 package mechanical data** 

||**Table 5. SOD123package mechanical data**|**Table 5. SOD123package mechanical data**|**Table 5. SOD123package mechanical data**|**Table 5. SOD123package mechanical data**|**Table 5. SOD123package mechanical data**|**Table 5. SOD123package mechanical data**|
|---|---|---|---|---|---|---|
|**Ref.**|**Dimensions**||||||
||**Millimeters**|||**Inches**|||
||**Min.**|**Typ.**|**Max.**|**Min.**|**Typ.**|**Max.**|
|A|||1.45|||0.057|
|A1|0||0.1|0||0.004|
|A2|0.85||1.35|0.033||0.053|
|b||0.55|||0.022||
|c||0.15|||0.039||
|D|2.55||2.85|0.1||0.112|
|E|1.4||1.7|0.055||0.067|
|G|0.25|||0.01|||
|H|3.55||3.75|0.14||0.148|



DocID023830 Rev 2 

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**STPS140Z-Y** 

**Package Information** 

## **Figure 11. Footprint dimensions in mm (inches)** 

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**Ordering information** 

## **3** 

## **Ordering information** 

**Table 6. Ordering information** 

|**Order code**|**Marking**|**Package**|**Weight**|**Base qty**|**Delivery mode**|
|---|---|---|---|---|---|
|STPS140ZY|Z1Y|SOD-123|0.01 g|3000|Tape and reel|



## **4 Revision history** 

**Table 7. Document revision history** 

|**Date**|**Revision**|**Changes**|
|---|---|---|
|24-Oct-2012|1|First issue.|
|07-Jul-2015|2|Updated_Table 4_and reformatted to current standard.|



DocID023830 Rev 2 

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**STPS140Z-Y** 

## **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. 

© 2015 STMicroelectronics – All rights reserved 

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