# Standard Recovery Diode, 1.2 kV, 45 A, Dual Series, 1.26 V, 480 A

![Product image](https://novapart.co/image/farnell:4486739/)

**URL**: https://novapart.co/products/SEP4512-M3/P/standard-recovery-diode-12-kv-45-a-dual-series-126
**SKU**: SEP4512-M3/P
**Manufacturer**: VISHAY
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Standard Recovery Rectifier Diodes
**Price**: €1.9100
**Stock**: 500+
**Lead Time**: 64 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | Lead (04-Feb-2026) |
| No. Of Pins | 3Pins |
| Product Range | - |
| Qualification | - |
| Diode Case Style | TO-247AD |
| Diode Configuration | Dual Series |
| Forward Voltage Max | 1.26V |
| Forward Surge Current | 480A |
| Reverse Recovery Time | - |
| Average Forward Current | 45A |
| Operating Temperature Max | 175°C |
| Repetitive Peak Reverse Voltage | 1.2kV |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4486739/)

**SEP4512** 

Vishay General Semiconductor 

www.vishay.com 

## **Phase Leg High Voltage Standard Rectifier** 

## **FEATURES** 

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1<br>Z 2 P<br>2 a A<br>3 4<br><<br>TO-247AD 3L<br>**----- End of picture text -----**<br>


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- Oxide planar chip junction 

- Low forward conduction 

- High surge current capability 

- High avalanche capability 

- High junction temperature capability 

- Solder bath temperature 275 °C maximum, 10 s per JESD 22-B106 

- AEC-Q101 qualified available: 

- Automotive ordering code: base P/NHM3 

RoHS Available 

- Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 

## **TYPICAL APPLICATIONS** 

## **PRIMARY CHARACTERISTICS** 

|**PRIMARY CHARACTERISTICS**|**PRIMARY CHARACTERISTICS**|
|---|---|
|IF(AV)|2 x 45 A|
|VRRM|1200 V|
|IFSM|480 A|
|VFat IF= 45 A (TJ= 125 °C)|1.14|
|EAS|20 mJ|
|TJmax.|175 °C|
|Package|TO-247AD 3L|
|Circuit configuration|Phase leg|



OBC for EV/HEV, single or three phase bridge rectification, industrial inverter power 

## **MECHANICAL DATA** 

## **Case:** TO-247AD 3L 

Molding compound meets UL 94 V-0 flammability rating 

Base P/N-M3 - halogen-free, RoHS-compliant 

Base P/NHM3 - halogen-free, RoHS-compliant, and AEC-Q101 qualified 

**Terminals:** matte tin plated leads, solderable per J-STD-002 and JESD 22-B102 

**Polarity:** as marked 

**Mounting torque:** 10 in-lbs maximum 

## **MAXIMUM RATINGS** (TA = 25 °C unless otherwise noted) 

|**MAXIMUM RATINGS**(TA = 25 °C unless otherwise noted)TA = 25 °C unless otherwise noted)A = 25 °C unless otherwise noted)= 25 °C unless otherwise noted))|**MAXIMUM RATINGS**(TA = 25 °C unless otherwise noted)TA = 25 °C unless otherwise noted)A = 25 °C unless otherwise noted)= 25 °C unless otherwise noted))|**MAXIMUM RATINGS**(TA = 25 °C unless otherwise noted)TA = 25 °C unless otherwise noted)A = 25 °C unless otherwise noted)= 25 °C unless otherwise noted))|**MAXIMUM RATINGS**(TA = 25 °C unless otherwise noted)TA = 25 °C unless otherwise noted)A = 25 °C unless otherwise noted)= 25 °C unless otherwise noted))|
|---|---|---|---|
|**PARAMETER**|**SYMBOL**|**SEP4512**|**UNIT**|
|Maximum repetitive peak reverse voltage|VRRM|1200|V|
|Maximum average forward rectified current, per device|IF(AV) (1)|45|A|
|Peak forward surge current 10 ms single half sine-wave|IFSM|480|A|
|Typical Non-repetitive Avalanche energy at IAS= 1 A, TJ= 25 °C|EAS|20|mJ|
|Operatingjunction and storage temperature range|TJ, TSTG (2)|-55 to +175|°C|



## **Notes** 

- (1) With heatsink 

> (2) The heat generated must be less than the thermal conductivity from junction-to-ambient: dPD/dTJ < 1/RθJA 

Revision: 13-Jul-2023 

Document Number: 98365 

**1** 

For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 

**SEP4512** 

Vishay General Semiconductor 

www.vishay.com 

|**ELECTRICAL CHARACTERISTICS**(TJ= 25 °C unless otherwise noted)|**ELECTRICAL CHARACTERISTICS**(TJ= 25 °C unless otherwise noted)|**ELECTRICAL CHARACTERISTICS**(TJ= 25 °C unless otherwise noted)|**ELECTRICAL CHARACTERISTICS**(TJ= 25 °C unless otherwise noted)|**ELECTRICAL CHARACTERISTICS**(TJ= 25 °C unless otherwise noted)|**ELECTRICAL CHARACTERISTICS**(TJ= 25 °C unless otherwise noted)|**ELECTRICAL CHARACTERISTICS**(TJ= 25 °C unless otherwise noted)|
|---|---|---|---|---|---|---|
|**PARAMETER**|**TEST CONDITIONS**||**SYMBOL**|**TYP.**|**MAX.**|**UNIT**|
|Instantaneous forward voltage per diode|IF= 22.5 A|TJ= 25 °C|VF (1)|1.05|-|V|
||IF= 45 A|||1.19|1.26||
||IF= 22.5 A|TJ= 125 °C||0.95|-||
||IF= 45 A|||1.14|-||
|||TJ= 150 °C||-|1.23||
|Reverse current at rated VRper diode|VR= rated VR|TJ= 25 °C|IR (2)|-|10|μA|
|||TJ= 125 °C||40|-||
|||TJ= 150 °C||-|1|mA|
|Typical junction capacitance|400 V, 1 MHz||CJ|27|-|pF|



## **Notes** 

> (1) Pulse test: 300 μs pulse width, 1 % duty cycle 

- (2) Pulse test: Pulse width ≤ 40 ms 

|**THERMAL CHARACTERISTICS**(TA= 25 °C unless otherwise noted)|**THERMAL CHARACTERISTICS**(TA= 25 °C unless otherwise noted)|**THERMAL CHARACTERISTICS**(TA= 25 °C unless otherwise noted)|**THERMAL CHARACTERISTICS**(TA= 25 °C unless otherwise noted)|
|---|---|---|---|
|**PARAMETER**|**SYMBOL**|**SEP4512**|**UNIT**|
|Typical thermal resistance per device|RθJA (1)(2)|32|°C/W|
|Typical thermal resistance per device|RθJM (3)|0.5|°C/W|



## **Notes** 

> (1) The heat generated must be less than the thermal conductivity from junction-to ambient dPD/dTJ < 1/RθJA 

> (2) Thermal resistance junction to ambient to follow JEDEC® 51-2A, device mounted on FR4 PCB, 2 oz., standard footprint 

- (3) Thermal resistance junction-to-mount to follow JEDEC® 51-14 transient dual interface test method (TDIM) 

|**ORDERING INFORMATION**(Example)|**ORDERING INFORMATION**(Example)|**ORDERING INFORMATION**(Example)|**ORDERING INFORMATION**(Example)|**ORDERING INFORMATION**(Example)|
|---|---|---|---|---|
|**PREFERRED P/N**|**UNIT WEIGHT (g)**|**PACKAGE CODE**|**BASE QUANTITY**|**DELIVERY MODE**|
|SEP4512-M3/P|5.78|P|25/tube|Tube|
|SEP4512HM3/P(1)|5.78|P|25/tube|Tube|



## **Note** 

- (1)   AEC-Q101 qualified 

Revision: 13-Jul-2023 

Document Number: 98365 

**2** 

For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 

**SEP4512** 

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## Vishay General Semiconductor 

## **RATINGS AND CHARACTERISTICS CURVES** (TA = 25 °C unless otherwise noted) 

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50 10000 1000 10000<br>With heatsink<br>45<br>100 T J = 175 °C<br>40 TJ = 150 °C<br>35 1000 10 T J = 125 °C 1000<br>30 T J  = 100 °C<br>25 1<br>20<br>100 0.1 100<br>15<br>10 0.01 T J = 25 °C<br>5 T J  = -40  ° C<br>0 10 0.001 10<br>0 25 50 75 100 125 150 175 10 20 30 40 50 60 70 80 90 100<br>Mount Temperature (°C) Percent of Rated Peak Reverse Voltage (%)<br>Fig. 1 - Maximum Forward Current Derating Curve Fig. 4 - Typical Reverse Characteristics<br>Axis Title Axis Title<br>70 10000  10 000 10000<br>TJ = 25 °C,<br>f = 1.0 MHz,<br>60 Vsig = 50 mVp-p<br>50 D = 0.8 1000<br>1000 1000<br>40<br>D = 0.5 D = 1.0 100<br>30<br>D = 0.3<br>100 100<br>20 T<br>D = 0.1 10<br>10<br>D = 0.2 D = tp/T tp<br>0 10 1 10<br>0 10 20 30 40 50 60 0.1 1 10 100 1000<br>Average Forward Current (A) Reverse Voltage (V)<br>Fig. 2 - Average Power Loss Characteristics Fig. 5 - Typical Junction Capacitance<br>Axis Title Axis Title<br>100 10000 1000 10000<br>Junction to ambient<br>TJ = 175 °C 100<br>10 1000 1000<br>10<br>T J = 150 °C<br>T J = 125 °C<br>1<br>1 TJ = 100 °C 100 100<br>T J  = 25 °C 0.1<br>TJ = -40 °C<br>0.1 10 0.01 10<br>0.2 0.4 0.6 0.8 1.0 1.2 1.4 0.001 0.01 0.1 1 10 100 1000<br>Instantaneous Forward Voltage (V) tp - Pulse Duration (s)<br>Fig. 3 - Typical Instantaneous Forward Characteristics Fig. 6 - Typical Transient Thermal Impedance<br>1st line 2nd line 2nd line<br>Instantaneous Reverse Current (µA)<br>Average Forward Rectified Current (A)<br>1st line 2nd line 2nd line<br>Average Power Loss (W) Junction Capacitance (pF)<br>1st line 2nd line 2nd line<br>Instantaneous Forward Current (A) Transient Thermal Impedance (°C/W)<br>**----- End of picture text -----**<br>


Revision: 13-Jul-2023 

Document Number: 98365 

**3** 

For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 

**SEP4512** 

Vishay General Semiconductor 

**==> picture [77 x 10] intentionally omitted <==**

**----- Start of picture text -----**<br>
www.vishay.com<br>**----- End of picture text -----**<br>


## **PACKAGE OUTLINE DIMENSIONS** in millimeters (inches) **TO-247AD 3L** 

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(3) A A<br>B E (6) � P (Datum B)<br>S A2 Ø K M D B M<br>(2)   R/2 A �� P1<br>D2<br>Q<br>2 x R<br>D D1   (4)<br>(2)<br>1 2 3 D 4<br>Thermal pad<br>(5)   L1<br>C (4)<br>L A E1<br>0.01 M D B M<br>View A - A<br>See view B<br>2 x b2<br>2 x  e  C<br>3 x b<br>b4 A1<br>0.10 M C A M<br>Plating (b1, b3, b5) Base metal<br>D D E E<br>(c) c1 C C<br>(b, b2, b4)<br>(4)<br>Section C - C, D - D, E - E View B<br>**----- End of picture text -----**<br>


|**SYMBOL**|**MILLIMETERS**|**MILLIMETERS**|**INCHES**|**INCHES**|**NOTES**<br>3<br>4||**SYMBOL**|**MILLIMETERS**|**MILLIMETERS**|**INCHES**|**INCHES**|**NOTES**|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
||**MIN.**|**MAX.**|**MIN.**|**MAX.**||||**MIN.**|**MAX.**|**MIN.**|**MAX.**||
|A|4.65|5.31|0.183|0.209|||D2|0.51|1.30|0.020|0.051||
|A1|2.21|2.59|0.087|0.102|||E|15.29|15.87|0.602|0.625|3|
|A2|1.50|2.49|0.059|0.098|||E1|13.46|-|0.53|-||
|b|0.99|1.40|0.039|0.055|||e|5.46 BSC||0.215 BSC|||
|b1|0.99|1.35|0.039|0.053|||¬K|0.254||0.010|||
|b2|1.65|2.39|0.065|0.094|||L|19.81|20.32|0.780|0.800||
|b3|1.65|2.34|0.065|0.092|||L1|3.71|4.29|0.146|0.169||
|b4|2.59|3.43|0.102|0.135|||¬P|3.56|3.66|0.14|0.144||
|b5|2.59|3.38|0.102|0.133|||¬P1|-|6.98|-|0.275||
|c|0.38|0.89|0.015|0.035|||Q|5.31|5.69|0.209|0.224||
|c1|0.38|0.84|0.015|0.033|||R|4.52|5.49|0.178|0.216||
|D|19.71|20.70|0.776|0.815|||S|5.51 BSC||0.217 BSC|||
|D1|13.08|-|0.515|-|||||||||



## **Notes** 

> (1) Dimensioning and tolerancing per ASME Y14.5M-1994 

- (2) Contour of slot optional 

> (3) Dimension D and E do not include mold flash. These dimensions are measured at the outermost extremes of the plastic body 

> (4) Thermal pad contour optional with dimensions D1 and E1 

> (5) Lead finish uncontrolled in L1 

> (6) Ø P to have a maximum draft angle of 1.5 to the top of the part with a maximum hole diameter of 3.91 mm (0.154") 

> (7) Outline conforms to JEDEC® outline TO-247 with exception of dimension A min., D, E min., Q min., S, and note 4 

Revision: 13-Jul-2023 

Document Number: 98365 

**4** 

For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 

**Legal Disclaimer Notice** 

www.vishay.com 

Vishay 

## **Disclaimer** 

ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. 

Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other disclosure relating to any product. 

Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special, consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular purpose, non-infringement and merchantability. 

Statements regarding the suitability of products for certain types of applications are based on Vishay's knowledge of typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements about the suitability of products for a particular application. It is the customer's responsibility to validate that a particular product with the properties described in the product specification is suitable for use in a particular application. Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over time. All operating parameters, including typical parameters, must be validated for each customer application by the customer's technical experts. Product specifications do not expand or otherwise modify Vishay's terms and conditions of purchase, including but not limited to the warranty expressed therein. 

Hyperlinks included in this datasheet may direct users to third-party websites. These links are provided as a convenience and for informational purposes only. Inclusion of these hyperlinks does not constitute an endorsement or an approval by Vishay of any of the products, services or opinions of the corporation, organization or individual associated with the third-party website. Vishay disclaims any and all liability and bears no responsibility for the accuracy, legality or content of the third-party website or for that of subsequent links. 

Vishay products are not designed for use in life-saving or life-sustaining applications or any application in which the failure of the Vishay product could result in personal injury or death unless specifically qualified in writing by Vishay. Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. 

No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners. 

_**© 2024 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED**_ 

Revision: 01-Jul-2024 

Document Number: 91000 

**1** For technical questions, contact: THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 



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