# Schottky Rectifier, 45 V, 30 A, Dual Common Cathode, TO-263 (D2PAK), 3 Pins, 840 mV

![Product image](https://novapart.co/image/farnell:4860881/)

**URL**: https://novapart.co/products/STPS3045CGY-TR/schottky-rectifier-45-v-30-a-dual-common-cathode
**SKU**: STPS3045CGY-TR
**Manufacturer**: STMICROELECTRONICS
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Schottky Diodes || Schottky Rectifier Diodes
**Price**: €0.4440
**Stock**: 200+
**Lead Time**: 36 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 3Pins |
| Product Range | - |
| Qualification | AEC-Q101 |
| Diode Mounting | Surface Mount |
| Diode Case Style | TO-263 (D2PAK) |
| Diode Configuration | Dual Common Cathode |
| Forward Voltage Max | 840mV |
| Forward Surge Current | 220A |
| Average Forward Current | 30A |
| Operating Temperature Max | 175°C |
| Repetitive Peak Reverse Voltage | 45V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4860881/)

**STPS3045C-Y** 

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## Automotive power Schottky rectifier 

## **Features** 

- Very small conduction losses 

- Negligible switching losses 

- Extremely fast switching 

- Low thermal resistance 

- Avalanche rated 

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A1<br>K<br>A2<br>K<br>A2<br>A1<br>**----- End of picture text -----**<br>


- AEC-Q101 qualified 

## **Description** 

This device is a dual center tap Schottky rectifier suited for switch mode power supply and high frequency DC to DC converters. 

Packaged in D[2] PAK, this device is especially intended  for  use in low voltage, high frequency inverters, free wheeling and polarity protection applications. 

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D [2] PAK<br>STPS3045CGY<br>**----- End of picture text -----**<br>


**Table 1. Device summary** 

|IF(AV)|2 x 15 A|
|---|---|
|VRRM|45 V|
|Tj (max)|175 °C|
|VF (max)|0.57 V|



1/7 

May 2011 

Doc ID 17264 Rev 1 

_www.st.com_ 

**Characteristics** 

**STPS3045C-Y** 

## **1 Characteristics** 

## **Table 2. Absolute ratings (limiting values, per diode)** 

|**Table 2.**|**Absolute ratings (limiting values,per diode)**|**Absolute ratings (limiting values,per diode)**|**Absolute ratings (limiting values,per diode)**|||
|---|---|---|---|---|---|
|**Symbol**|**Parameter**|||**Value**|**Unit**|
|VRRM|Repetitive peak reverse voltage|||45|V|
|IF(RMS)|Forward rms voltage|||30|A|
|IF(AV)|Average forward currentδ= 0.5|TC= 155 °C|Per diode<br>Per device|10<br>30|A|
|IFSM|Surge non repetitive forward current|tp= 10 ms sinusoidal||220|A|
|PARM|Repetitive peak avalanche power|tp= 1 µs Tj= 25 °C||6000|W|
|Tstg|Storage temperature range|||-65 to +175|°C|
|Tj|Maximum operating junction temperature(1)|||-40 to +175|°C|
|dV/dt|Critical rate of rise reverse voltage|||10000|V/µs|



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

## **Table 3. Thermal resistance parameters** 

|**Symbol**|**Parameter**|**Parameter**|**Value**|**Unit**|
|---|---|---|---|---|
|Rth (j-c)|Junction to case|Per diode<br>Total|1.60<br>0.85|°C/W|
|Rth (c)|Coupling||0.10|°C/W|



When the diodes 1 and 2 are used simultaneously : Δ Tj(diode 1) = P(diode1) x Rth(j-c)(Per diode) + P(diode 2) x Rth(c) 

**Table 4. Static electrical characteristics (per diode)** 

|**Symbol**|**Parameter**|**Tests conditions**|**Tests conditions**|**Min.**|**Typ.**|**Max.**|**Unit**|
|---|---|---|---|---|---|---|---|
|IR (1)|Reverse leakage current|Tj= 25 °C|VR= VRRM|-|-|200|µA|
|||Tj= 125 °C||-|11|40|mA|
|VF (1)|Forward voltage drop|Tj= 125 °C|IF= 15 A|-|0.5|0.57|V|
|||Tj= 25 °C|IF= 30 A|-|-|0.84||
|||Tj= 125 °C||-|0.65|0.72||



1. Pulse test: tp = 380 µs, δ < 2% 

To evaluate the conduction losses use the following equation: 

P = 0.42 x IF(AV) + 0.01 IF2(RMS) 

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Doc ID 17264 Rev 1 

**STPS3045C-Y** 

**Characteristics** 

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

**==> picture [462 x 159] intentionally omitted <==**

**----- Start of picture text -----**<br>
(per diode)er diode)) ( δ  = 0.5, per diode)per diode)er diode))<br>PF(AV)(W) IF(AV)(A)<br>12 18<br>δ = 0.1 δ = 0.2 δ = 0.5<br>11 δ = 0.05 16<br>10<br>14<br>9 δ = 1<br>8 12<br>7<br>10<br>6<br>5 8 Rth(j-a)=15°C/W<br>4 6<br>3 T T<br>4<br>2<br>1 IF(AV)(A) δ [=tp/T] tp 2 δ [=tp/T] tp Tamb(°C)<br>0 0<br>0 2 4 6 8 10 12 14 16 18 20 0 25 50 75 100 125 150 175<br>**----- End of picture text -----**<br>


**Figure 3. Normalized avalanche power derating versus pulse duration** 

## **Figure 4. Normalized avalanche power derating versus junction temperature** 

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**----- Start of picture text -----**<br>
1 PPARMARM(1µs)(tp) 1.2 PARMPARM(25°C)(T j)<br>1<br>0.1 0.8<br>0.6<br>0.01 0.4<br>0.2<br>0.001 tp(µs) 0 T (°C)j<br>0.01 0.1 1 10 100 1000 25 50 75 100 125 150<br>Figure 5. Non repetitive surge peak forward  Figure 6. Relative variation of thermal<br>current versus overload duration  impedance junction to ambient<br>(maximum values, per diode) versus pulse duration<br>IM(A) Zth(j-c)/Rth(j-c)<br>200 1.0<br>180 0.9<br>160 0.8<br>140 0.7<br>δ = 0.5<br>120 0.6<br>100 0.5<br>TC=75°C<br>80 0.4 δ = 0.2<br>TC=100°C<br>6040 IM TC=125°C 0.30.2 δ = 0.1 T<br>t Single pulse<br>20 δ=0.5 t(s) 0.1 tp(s) δ [=tp/T] tp<br>0 0.0<br>1.E-03 1.E-02 1.E-01 1.E+00 1.E-03 1.E-02 1.E-01 1.E+00<br>**----- End of picture text -----**<br>


3/7 

Doc ID 17264 Rev 1 

**Characteristics** 

**STPS3045C-Y** 

**Figure 7. Reverse leakage current versus Figure 8. Junction capacitance versus reverse voltage applied reverse voltage applied (typical values, per diode) (typical values, per diode)** 

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IR(µA) C(nF)<br>1.E+05 10000<br>F=1MHz<br>1.E+04 T =125°CT =150°Cjj VOSCT =25°C=30mVj RMS<br>1.E+03 T =100°Cj<br>T =75°Cj<br>1.E+02 T =50°Cj 1000<br>1.E+01 T =25°Cj<br>1.E+00<br>VR(V) VR(V)<br>1.E-01 100<br>0 5 10 15 20 25 30 35 40 45 1 10 100<br>**----- End of picture text -----**<br>


**Figure 9. Forward voltage drop versus forward current (maximum values, per diode)** 

**Figure 10. Thermal resistance junction to ambient versus copper surface under tab** 

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**----- Start of picture text -----**<br>
IFM(A) Rth(j-a)(°C/W)<br>1000 80<br>Epoxy printed circuit board,<br>70 copper thickness = 35 µm<br>T =125°Cj<br>(maximum values)<br>60<br>100<br>50<br>T =125°Cj<br>(typical values) 40<br>T =25°Cj 30<br>10 (maximum values)<br>20<br>10<br>VFM(V) S(cm²)<br>1 0<br>0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 0 5 10 15 20 25 30 35 40<br>**----- End of picture text -----**<br>


4/7 

Doc ID 17264 Rev 1 

**STPS3045C-Y** 

**Package information** 

## **2 Package information** 

- Epoxy meets UL94,V0 

- Lead-free package 

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. 

## **Table 5. Package dimensions D[2] PAK** 

|**L**|||||**SS THAN 2mm**<br>**A**<br>**D**<br>**R**<br>**V2**|**Ref.**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|---|---|---|---|---|---|
||||||||**Millimeters**||**Inches**||
||||||||**Min.**|**Max.**|**Min.**|**Max.**|
||**L2**|||**NE NO LE**<br>**C2**<br>**A2**<br>**M**<br>**C**<br>*|||||||
|||||||A|4.40|4.60|0.173|0.181|
||||||||||||
|||||||A1|2.49|2.69|0.098|0.106|
||||||||||||
|||||||A2|0.03|0.23|0.001|0.009|
||**L3**|||||B|0.70|0.93|0.027|0.037|
|||||||B2|1.14|1.70|0.045|0.067|
|||||||C|0.45|0.60|0.017|0.024|
|||||||C2|1.23|1.36|0.048|0.054|
||||||||||||
|||||||D|8.95|9.35|0.352|0.368|
|||||||E|10.00|10.40|0.393|0.409|
|||||||G|4.88|5.28|0.192|0.208|
|||||||L|15.00|15.85|0.590|0.624|
|||||||L2|1.27|1.40|0.050|0.055|
|||||||L3|1.40|1.75|0.055|0.069|
|||||||M|2.40|3.20|0.094|0.126|
|||||||R|0.40 typ.||0.016 typ.||
|||||||V2|0°|8°|0°|8°|



## **Figure 11. Footprint dimensions (in millimeters)** 

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16.90<br>10.30 5.08<br>1.30<br>3.70<br>8.90<br>**----- End of picture text -----**<br>


5/7 

Doc ID 17264 Rev 1 

**Ordering information** 

**STPS3045C-Y** 

## **3 Ordering information** 

## **Table 6. Ordering information** 

|**Order code**|**Marking**|**Package**|**Weight**|**Base qty**|**Delivery mode**|
|---|---|---|---|---|---|
|STPS3045CGY-TR|STPS3045CGY|D2PAK|1.48 g|1000|Tape and reel|



## **4 Revision history** 

## **Table 7. Document revision history** 

|**Date**|**Revision**|**Changes**|
|---|---|---|
|24-May-2011|1|Initial release.|



6/7 

Doc ID 17264 Rev 1 

**STPS3045C-Y** 

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7/7 

Doc ID 17264 Rev 1 



## Links

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- [Supplier page](https://es.farnell.com/stmicroelectronics/stps3045cgy-tr/schottky-rectifier-45v-30a-d2pak/dp/4860881)
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