# Schottky Rectifier, 45 V, 20 A, Dual Common Cathode, TO-263 (D2PAK), 3 Pins, 580 mV

![Product image](https://novapart.co/image/farnell:2773753/)

**URL**: https://novapart.co/products/DSTB2045C/schottky-rectifier-45-v-20-a-dual-common-cathode
**SKU**: DSTB2045C
**Manufacturer**: LITTELFUSE
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Schottky Diodes || Schottky Rectifier Diodes
**Price**: €0.9130
**Stock**: 10+
**Lead Time**: 204 days (indicative)

## Description

Repetitive Reverse Voltage Vrrm Max:45V; Forward Current If(AV):20A; Diode Configuration:Dual Common Cathode; Diode Case Style:TO-263; No. of Pins:3Pins; Forward Voltage VF Max:580mV; For

## Specifications

| Parameter | Value |
|---|---|
| Svhc | To Be Advised |
| No. Of Pins | 3Pins |
| Product Range | DST |
| Qualification | - |
| Diode Mounting | Surface Mount |
| Diode Case Style | TO-263 (D2PAK) |
| Diode Configuration | Dual Common Cathode |
| Forward Voltage Max | 580mV |
| Forward Surge Current | 150A |
| Average Forward Current | 20A |
| Operating Temperature Max | 150°C |
| Repetitive Peak Reverse Voltage | 45V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2773753/)

**Schottky Barrier Rectifier DSTB2045C, 2x10A, 45V, TO-263, Common Cathode** 

## DSTB2045C 

## ~~RoHS Pb L1O~~ 

## **Description** 

Littelfuse DST series Ultra Low VF Schottky Barrier Rectifier is designed to meet the general requirements of commercial and industry applications by providing high temperature, low leakage and low VF products. 

It is suitable for high frequency switching mode power supply applications, as free-wheeling and polarity protection diodes. 

## **Features** [oT 

**Pin out** Lo 

## **Heat sink** 

Common Cathode **1 3** Anode : Anode } 

- Ultra low forward voltage •   Guard ring for enhanced drop ruggedness and long term reliability 

- High frequency operation 

- Common cathode 

- •   High junction configuration in TO-263 

- temperature capability package 

- **Applications** 

- ~~Lo~~ •   Switching mode power •   Free-Wheeling diodes supply 

•   Polarity Protection Diodes 

•   DC/DC converters 

|**Maximum Ratings**<br>~~|~~|**Maximum Ratings**<br>~~|~~|**Maximum Ratings**<br>~~|~~|**Maximum Ratings**<br>~~|~~|**Maximum Ratings**<br>~~|~~|
|---|---|---|---|---|
|Parameters|Symbol|Test Conditions|Max|Unit|
|Peak Inverse Voltage|VRWM|-|45|V|
|Average Forward~~Cu~~rrent|IF(AV)|50% duty cycle @TC=80°C<br>rectangular wave form|10 (per leg)<br>20 (total device)|A|
|Peak One Cycle Non-Repetitive Surge<br>Current (per leg)|IFSM|8.3 ms, half Sine pulse|150|A|
||||||
|**Electrical Characteristics**<br>~~Lo~~|||||
|Parameters|Symbol|Test Conditions|Max|Unit|
|Forward Voltage Drop (per leg) *|VF1<br>VF2|@10A, Pulse, TJ= 25 °C<br>@10A, Pulse, TJ= 125 °C|<0.5<br>0.42|V|
|Reverse Current (per leg) *|IR1<br>IR2|@VR= rated VRTJ= 25 °C<br>@VR= rated VRTJ= 125 °C|0.003 - 0.018<br>5.5 - 15|mA|



* Pulse Width < 300μs, Duty Cycle <2% 

©2018 Littelfuse, Inc Specifications are subject to change without notice. Revised:03/20/18 

**Schottky Barrier Rectifier DSTB2045C, 2x10A, 45V, TO-263, Common Cathode** 

**==> picture [94 x 32] intentionally omitted <==**

**==> picture [505 x 381] intentionally omitted <==**

**----- Start of picture text -----**<br>
Thermal-Mechanical Specifications<br>Parameters Symbol Test Conditions Max Unit<br>Junction Temperature    TJ   -55 to +150 °C<br>Storage Temperature   Tstg -55 to +150 °C<br>Typical Thermal Resistance Junction to Case(per leg) R Ɵ JC DC operation 3.0 °C/W<br>Approximate Weight  wt   1.85 g<br>Case Style D [2] PAK (TO-263)<br>Figure 1: Typical Forward Characteristics Figure 2:  Typical Reverse Characteristics<br>ºC<br>ºC<br>ºC<br>ºC<br>Figure 3:  Typical Junction Capacitance<br>**----- End of picture text -----**<br>


**==> picture [244 x 187] intentionally omitted <==**

**----- Start of picture text -----**<br>
ºC<br>**----- End of picture text -----**<br>


©2018 Littelfuse, Inc Specifications are subject to change without notice. Revised:03/20/18 

## **Schottky Barrier Rectifier DSTB2045C, 2x10A, 45V, TO-263, Common Cathode** 

|**Dimensions-D2PAK(TO-263)**|**Dimensions-D2PAK(TO-263)**|**Dimensions-D2PAK(TO-263)**|**Dimensions-D2PAK(TO-263)**|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|||||||||||Symbol|Dimensions in Millimeters<br>Min<br>Typical||Max|
|||||ERY|||||||**A**|4.47<br>4.70<br>~~i~~||4.85|
|7<br>|||©)|]<br>x<br>M2<br>fis"||||~<br>|<br>|||||<br>|<br>ElI——||L<br>5<br>||**A1**<br>**A2**<br>**b**<br>**b1**<br>**c**<br>**c1**<br>**D**|0<br>0.10<br>2.59<br>2.69<br>0.71<br>0.81<br>1.17<br>1.27<br>0.31<br>0.38<br>1.17<br>1.27<br>8.50<br>8.70<br>~~**a**~~<br>~~ee~~<br>~~ee ee~~<br>~~ee eee~~<br>~~a~~||0.25<br>2.89<br>0.96<br>1.37<br>0.61<br>1.37<br>8.90|
|||||||||||**D1**|6.70<br>-||7.70|
|||||||||||**E**|10.01<br>10.16||10.31|
|tt||<br>Tl<br>_||fel<br>3|||||||**E1**<br>**E2**<br>**e**|7.2<br>-<br>9.98<br>10.08<br>-<br>2.54<br>~~ee~~<br>~~a~~||8.1<br>10.31<br>-|
|re,||||||||||**H**<br>**L**|14.6<br>15.1<br>2.00<br>2.30<br>~~a~~||15.6<br>2.74|
|||**L1**<br>1.12<br>1.27<br>~~_~~<br>~~a~~||||||||||~~a~~|1.42<br>~~a~~|
||||**L2**<br>1.30<br>-<br>~~|~~<br>~~a~~||||||||||2.20|
||F|||||||||**L3**<br>**e**<br>**e1**<br>**e2**<br>**e3**|-<br>0.25BSC<br>0<br>-<br>-<br>5°<br>-<br>4°<br>-<br>4°<br>~~a~~<br>~~a~~<br>~~ee~~<br>~~a~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~<br>~~ee~~||-<br>8°<br>-<br>-<br>-|
|**Carrier Tape & Reel Specification**||**Carrier Tape & Reel Specification**|**Carrier Tape & Reel Specification**|||||||||||



**Part Numbering and Marking System** ~~Po~~ DST = Componant Type TS B = Package Type 20 = Forward Current (20A) DSTB2045C 45 = Reverse Voltage (45V) LF YYWWL C = Configuration LF = Littelfuse YY = Year ~~-~~ WW = Week L = Lot Number 

|Symbol<br>**A**|Millimeters<br>Min<br>10.70<br>~~|~~|Millimeters<br>Min<br>10.70<br>~~|~~|Max<br>10.90|
|---|---|---|---|
|**B**|16.03||16.23|
|**C**|5.11||5.31|
|**Packing Options**<br>Part Number<br>Marking<br>Packing Mode<br>DSTB2045C<br>DSTB2045C<br>800pcs / reel<br>**d**<br>ø1.45<br>**E**<br>1.65<br>**F**<br>11.40<br>**P0**<br>3.90<br>**P**<br>15.90<br>**P1**<br>1.90<br>**W**<br>23.90<br>~~fs~~<br>~~-~~<br>~~—~~<br>~~fs~~<br>~~|~~|||M.O.Q<br>800<br>ø1.65<br>1.85<br>11.60<br>4.10<br>16.10<br>2.10<br>24.30|



**Disclaimer Notice -** Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications.  Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at http://www.littelfuse.com/disclaimer-electronics. 

©2018 Littelfuse, Inc Specifications are subject to change without notice. Revised:03/20/18 



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- [Supplier page](https://es.farnell.com/littelfuse/dstb2045c/schottky-rect-45v-20a-to-263/dp/2773753)
---

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