# Schottky Rectifier, 300 V, 40 A, Dual Common Cathode, TO-263 (D2PAK), 3 Pins, 920 mV

![Product image](https://novapart.co/image/farnell:3944691RL/)

**URL**: https://novapart.co/products/SBR40U300CTB-13/schottky-rectifier-300-v-40-a-dual-common-cathode
**SKU**: SBR40U300CTB-13
**Manufacturer**: DIODES INC.
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Schottky Diodes || Schottky Rectifier Diodes
**Price**: €1.1400
**Stock**: 1000+
**Lead Time**: 78 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | Lead (25-Jun-2025) |
| No. Of Pins | 3Pins |
| Product Range | SBR Series |
| Qualification | - |
| Diode Mounting | Surface Mount |
| Diode Case Style | TO-263 (D2PAK) |
| Diode Configuration | Dual Common Cathode |
| Forward Voltage Max | 920mV |
| Forward Surge Current | 200A |
| Average Forward Current | 40A |
| Operating Temperature Max | 175°C |
| Repetitive Peak Reverse Voltage | 300V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3944691RL/)

**SBR40U300CTB 40A SBR[®] SUPER BARRIER RECTIFIER** 

## **Features** 

- Ultra Low Forward Voltage Drop 

- Low Leakage Current 

- Excellent High Temperature Stability 

- Patented Super Barrier Rectifier Technology 

- Soft, Fast Switching Capability 

- 175ºC Operating Junction Temperature 

- **Lead Free Finish, RoHS Compliant (Note 1)** 

## **Mechanical Data** 

   - 2 

   - • Case: D PAK 

   - Case Material: Molded Plastic, UL Flammability Classification Rating 94V-0 

   - Moisture Sensitivity: Level 1 per J-STD-020 

   - Terminals: Matte Tin Finish annealed over Copper leadframe. Solderable per MIL-STD-202, Method 208 @ 

   - Weight: 1.6 grams (approximate) 

- **Also Available in Green Molding Compound (Note 2)** 

**==> picture [136 x 16] intentionally omitted <==**

**----- Start of picture text -----**<br>
D [2] PAK Package Pin Out<br>Configuration<br>**----- End of picture text -----**<br>


## **Ordering Information** (Notes 2 & 3) 

||||
|---|---|---|
|**Part Number**|**Case**|**Packaging**|
|SBR40U300CTB|D<br>2PAK|50 pieces/tube|
|SBR40U300CTB-G|D<br>2PAK|50pieces/tube|
|SBR40U300CTB-13|D<br>2PAK|800pieces/Tape & Reel|
|SBR40U300CTB-13-G|D<br>2PAK|800 pieces/Tape &Reel|



- Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied, see EU Directive 2002/95/EC Annex Notes 

   2. For Green Molding Compound version part numbers, add "-G" suffix to part number above. Examples: SBR40U300CTB-G. 

   3. For packaging details, go to our website at http://www.diodes.com. 

## **Marking Information** 

**==> picture [47 x 31] intentionally omitted <==**

**----- Start of picture text -----**<br>
SBR<br>40U300CTB<br>YYWW AB<br>**----- End of picture text -----**<br>


SBR40U300CTB = Product Type Marking Code AB = Foundry and Assembly Code YYWW = Date Code Marking YY = Last two digits of year (ex: 08 = 2008) WW = Week (01 - 53) 

1 of 4 **www.diodes.com** 

SBR40U300CTB Document number: DS31400 Rev. 5 - 2 

July 2011 © Diodes Incorporated 

SBR is a registered trademark of Diodes Incorporated. 

**SBR40U300CTB** 

## **Maximum Ratings (Per Leg)** @TA = 25°C unless otherwise specified 

Single phase, half wave, 60Hz, resistive or inductive load. For capacitance load, derate current by 20%. 

|Single phase, half wave, 60Hz, resistive or inductive load.<br>For capacitance load,or capacitance load,r capacitance load,capacitance load,itance load,tance load,nce load,ce load,load,oad, deraterateate currentrrententntt by 20%.20%.0%..|||||
|---|---|---|---|---|
|**Characteristic**|**Symbol **|**Value**|**Unit**||
|Peak Repetitive Reverse Voltage|VRRM||||
|Working Peak Reverse Voltage|VRWM|300|V||
|DC Blocking Voltage|VRM||||
|Average Rectified Output Current<br>Per Leg<br>Total|IO|20<br>40|A||
|Non-Repetitive Peak Forward Surge Current 8.3ms<br>SingleHalfSine-Wave Superimposed on RatedLoad|IFSM|200|A||
||||||
|**Thermal Characteristics (Per Leg)**|||||
|**Characteristic**<br>**Symbol **<br>**Value**<br>**Unit**<br>Typical Thermal Resistance<br>Thermal Resistance Junction to Case(Note 4)<br>RθJC<br>2<br>°C/W<br>Operatingand Storage Temperature Range<br>TJ, TSTG<br>-65 to +175<br>ºC<br>~~—~~|||||



## **Electrical Characteristics (Per Leg)** @TA = 25°C unless otherwise specified 

|**Characteristic**|**Symbol**|**Min**|**Typ**|**Max**|**Unit**|**Test Condition**|
|---|---|---|---|---|---|---|
|Forward Voltage Drop (per leg)|VF|-|0.87<br>-|0.92<br>0.81|V|IF= 20A, TJ= 25ºC<br>IF= 20A,TJ= 125ºC|
|Leakage Current (Note 5)|IR|-|-<br>-|100<br>50|μA<br>mA|VR= 300V, TJ= 25ºC<br>VR= 300V,TJ= 125ºC|
|Reverse Recovery Time|trr|-|32|50|ns|IF= 0.5A,IR= 1A,IRR= 0.25A|
|||-|26|35||IF= 1A, VR= 30V,<br>di/dt = 100A/μs,TJ= 25ºC|



Notes: 4. FR-4 PCB, 2 oz. Copper, minimum recommended pad layout per http://www.diodes.com/datasheets/ap02001.pdf 5. Short duration pulse test used to minimize self-heating effect. 

**==> picture [482 x 212] intentionally omitted <==**

**----- Start of picture text -----**<br>
100 1,000<br>10 TA = 175°C<br>TA = 175°C 100<br>1 TA = 150°C TA = 150°C<br>0.1 T A  = 125°C 10 T A  = 125°C<br>T A  = 85°C<br>0.01 TA = 25°C 1 T A  = 85°C<br>0.001<br>TA = 25°C<br>0.0001 0.1<br>0 0.2 0.4 0.6 0.8 1 1.2 0 50 100 150 200 250 300<br>VF, INSTANTANEOUS FORWARD VOLTAGE (V) VR, INSTANTANEOUS REVERSE VOLTAGE (V)<br>Fig.1  Typical Forward Characteristics Fig. 2  Typical Reverse Characteristics<br>A)<br>µ<br>, INSTANTANEOUS FORWARD CURRENT (A)<br>IF , INSTANTANEOUS REVERSE CURRENT (IR<br>**----- End of picture text -----**<br>


2 of 4 **www.diodes.com** 

SBR40U300CTB Document number: DS31400 Rev. 5 - 2 SBR is a registered trademark of Diodes Incorporated. 

July 2011 © Diodes Incorporated 

**SBR40U300CTB** 

**==> picture [210 x 210] intentionally omitted <==**

**----- Start of picture text -----**<br>
40<br>RθJA = RθJC<br>Total Device<br>3530 aeo-) —\He<br>25 P| |<br>20<br>| | |tty<br>RθJA = RθJC<br>Per Element<br>15 Nee<br>10<br>oN \<br>5 ae R θJA  = 10°C/W<br>Per Element<br>Note 3<br>0<br>25 50 75 100 125 150 175<br>TA, AMBIENT TEMPERATURE (°C)<br>Fig. 3  Forward Current Derating Curve<br>, AVERAGE FORWARD CURRENT (A)<br>IF(AV)<br>**----- End of picture text -----**<br>


## **Package Outline Dimensions** 

**==> picture [480 x 185] intentionally omitted <==**

**----- Start of picture text -----**<br>
D 2 PAK<br>E L1 44 Dim  Min  Max<br>A  4.07  4.82<br>E1 D1 a b 0 ee .51  0 eee .99<br>D b1  1.15  1.77<br>H<br>ee c  0.356  ee 0.58  eee<br>ee c1  1.143 1.65<br>1 K 2<br>D  8.39 9.65<br>L2 D1  6.55  ⎯<br>E  9.66 10.66<br>=Hl e | HWrT! b  . FEee E1  6.23  ee eeeee ⎯<br>L| b1 a e  2.54 Typ<br>H  14.61  15.87<br>c . L  1.78 2.79<br>A L1  ⎯ 1.67<br>a Fy. ——a L2  ⎯  1.77<br>L c1 a  0°  8°<br>_ a ee eee<br>All Dimensions in mm<br>| rc tC—sdC<br>**----- End of picture text -----**<br>


## **Suggested Pad Layout** 

|~~X2~~<br>Z<br>Y1<br>Y2<br>~~kK~~<br>~~i}~~<br>~~J~~<br>~~a~~8<br>~~|~~<br>~~v~~<br>1k|~~X2~~<br>Z<br>Y1<br>Y2<br>~~kK~~<br>~~i}~~<br>~~J~~<br>~~a~~8<br>~~|~~<br>~~v~~<br>1k|~~X2~~<br>Z<br>Y1<br>Y2<br>~~kK~~<br>~~i}~~<br>~~J~~<br>~~a~~8<br>~~|~~<br>~~v~~<br>1k|**Dimensions**<br>**Z**<br>**X1**<br>**X2**<br>**Y1**<br>**Y2**<br>**E1**||**Value(in mm)**<br>16.9<br>1.1<br>10.8<br>3.5<br>7.01<br>2.5|
|---|---|---|---|---|---|
|X1<br>E1||||||



3 of 4 **www.diodes.com** 

SBR40U300CTB Document number: DS31400 Rev. 5 - 2 SBR is a registered trademark of Diodes Incorporated. 

July 2011 © Diodes Incorporated 

**SBR40U300CTB** 

## **IMPORTANT NOTICE** 

DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). 

Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or trademark rights, nor the rights of others.  Any Customer or user of this document or products described herein in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated website, harmless against all damages. 

Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel. Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized application. 

Products described herein may be covered by one or more United States, international or foreign patents pending.  Product names and markings noted herein may also be covered by one or more United States, international or foreign trademarks. 

## **LIFE SUPPORT** 

Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: 

- A.   Life support devices or systems are devices or systems which: 

   1. are intended to implant into the body, or 

   2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in significant injury to the user. 

B.   A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or to affect its safety or effectiveness. 

Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related information or support that may be provided by Diodes Incorporated.  Further, Customers must fully indemnify Diodes Incorporated and its representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems. Copyright © 2011, Diodes Incorporated 

**www.diodes.com** 

4 of 4 **www.diodes.com** 

SBR40U300CTB Document number: DS31400 Rev. 5 - 2 

July 2011 © Diodes Incorporated 

SBR is a registered trademark of Diodes Incorporated. 



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- [Supplier page](https://es.farnell.com/diodes-inc/sbr40u300ctb-13/schottky-diode-300v-40a-to-263/dp/3944691RL)
---

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