# Schottky Rectifier, 45 V, 20 A, Single, TO-220AC, 2 Pins, 660 mV

![Product image](https://novapart.co/image/farnell:2115188/)

**URL**: https://novapart.co/products/VT2045BP-M3/4W/schottky-rectifier-45-v-20-a-single-to-220ac-2
**SKU**: VT2045BP-M3/4W
**Manufacturer**: VISHAY
**Category**: Semiconductors - Discretes || Diodes & Rectifiers || Schottky Diodes || Schottky Rectifier Diodes
**Price**: €0.4120
**Stock**: 1000+
**Lead Time**: 71 days (indicative)

## Description

Repetitive Reverse Voltage Vrrm Max:45V; Forward Current If(AV):20A; Diode Configuration:Single; Diode Case Style:TO-220AC; No. of Pins:2Pins; Forward Voltage VF Max:660mV; Forward Su

## Specifications

| Parameter | Value |
|---|---|
| Svhc | Lead (04-Feb-2026) |
| No. Of Pins | 2Pins |
| Product Range | VT204 |
| Qualification | - |
| Diode Mounting | Through Hole |
| Diode Case Style | TO-220AC |
| Diode Configuration | Single |
| Forward Voltage Max | 660mV |
| Forward Surge Current | 160A |
| Average Forward Current | 20A |
| Operating Temperature Max | 150°C |
| Repetitive Peak Reverse Voltage | 45V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2115188/)

**VT2045BP** 

www.vishay.com 

Vishay General Semiconductor 

## **TMBS[®] (Trench MOS Barrier Schottky) Rectifier for PV Solar Cell Bypass Protection** 

Ultra Low VF = 0.33 V at IF = 5 A 

## **FEATURES** 

- Trench MOS Schottky technology 

- Low forward voltage drop, low power losses 

- High efficiency operation 

- Solder dip 275 °C max. 10 s, per JESD 22-B106 

**==> picture [92 x 60] intentionally omitted <==**

**----- Start of picture text -----**<br>
2<br>TO-220AC 1<br>PIN 1<br>PIN 2 t t CASE<br>**----- End of picture text -----**<br>


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

## **TYPICAL APPLICATIONS** 

For use in solar cell junction box as a bypass diode for protection, using DC forward current without reverse bias. 

## **MECHANICAL DATA** 

## **PRIMARY CHARACTERISTICS** 

|**PRIMARY CHARACTERISTICS**|**PRIMARY CHARACTERISTICS**|
|---|---|
|IF(AV)|20 A|
|VRRM|45 V|
|IFSM|160 A|
|VFat IF= 20 A|0.51 V|
|TOPmax. (AC mode)|150 °C|
|TJmax. (DC forward current)|200 °C|
|Package|TO-220AC|
|Circuit configuration|Single|



## **Case:** TO-220AC 

Molding compound meets UL 94 V-0 flammability rating Base P/N-M3 - halogen-free, RoHS-compliant, and commercial grade 

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

M3 suffix meets JESD 201 class 1A whisker test 

**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**|**VT2045BP**|**UNIT**|
|Maximum repetitive peak reverse voltage|VRRM|45|V|
|Maximum DC forward bypassingcurrent (fig. 1)|IF(DC) (1)|20|A|
|Peak forward surge current 8.3 ms single half sine-wave superimposed on rated load|IFSM|160|A|
|Operating junction temperature range (AC mode)|TOP|-40 to +150|°C|
|Junction temperature in DC forward current without reverse bias, t1 h|TJ (2)|200|°C|



## **Notes** 

- (1) With heatsink 

- (2) Meets the requirements of IEC 61215 ed.2 bypass diode thermal test 

## **ELECTRICAL CHARACTERISTICS** (TA = 25 °C unless otherwise noted) 

|**ELECTRICAL CHARACTERISTICS**(TA = 25 °C unless otherwise noted)TA = 25 °C unless otherwise noted)A = 25 °C unless otherwise noted)= 25 °C unless otherwise noted))|**ELECTRICAL CHARACTERISTICS**(TA = 25 °C unless otherwise noted)TA = 25 °C unless otherwise noted)A = 25 °C unless otherwise noted)= 25 °C unless otherwise noted))|**ELECTRICAL CHARACTERISTICS**(TA = 25 °C unless otherwise noted)TA = 25 °C unless otherwise noted)A = 25 °C unless otherwise noted)= 25 °C unless otherwise noted))|**ELECTRICAL CHARACTERISTICS**(TA = 25 °C unless otherwise noted)TA = 25 °C unless otherwise noted)A = 25 °C unless otherwise noted)= 25 °C unless otherwise noted))|**ELECTRICAL CHARACTERISTICS**(TA = 25 °C unless otherwise noted)TA = 25 °C unless otherwise noted)A = 25 °C unless otherwise noted)= 25 °C unless otherwise noted))|**ELECTRICAL CHARACTERISTICS**(TA = 25 °C unless otherwise noted)TA = 25 °C unless otherwise noted)A = 25 °C unless otherwise noted)= 25 °C unless otherwise noted))|**ELECTRICAL CHARACTERISTICS**(TA = 25 °C unless otherwise noted)TA = 25 °C unless otherwise noted)A = 25 °C unless otherwise noted)= 25 °C unless otherwise noted))|
|---|---|---|---|---|---|---|
|**PARAMETER**|**TEST CONDITIONS**||**SYMBOL**|**TYP.**|**MAX.**|**UNIT**|
|Instantaneous forward voltage|IF= 5 A|TA= 25 °C|VF (1)|0.44|-|V|
||IF= 10 A|||0.49|-||
||IF= 20 A|||0.57|0.66||
||IF= 5 A|TA= 125 °C||0.33|-||
||IF= 10 A|||0.41|-||
||IF= 20 A|||0.51|0.63||
|Reverse current|VR= 45 V|TA= 25 °C|IR (2)|-|2000|μA|
|||TA= 125 °C||10|30|mA|



## **Notes** 

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

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

**1** 

Revision: 19-Aug-2019 

Document Number: 89448 

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 

**VT2045BP** 

www.vishay.com 

Vishay General Semiconductor 

**==> picture [59 x 48] intentionally omitted <==**

|**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**|**VT2045BP**|**UNIT**|
|Typical thermal resistance|RJC|1.5|°C/W|



|**ORDERING INFORMATION**(Example)|**ORDERING INFORMATION**(Example)|**ORDERING INFORMATION**(Example)|**ORDERING INFORMATION**(Example)|**ORDERING INFORMATION**(Example)|**ORDERING INFORMATION**(Example)|
|---|---|---|---|---|---|
|**PACKAGE**|**PREFERRED P/N**|**UNIT WEIGHT (g)**|**PACKAGE CODE**|**BASE QUANTITY**|**DELIVERY MODE**|
|TO-220AC|VT2045BP-M3/4W|1.87|4W|50/tube|Tube|



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

**==> picture [196 x 164] intentionally omitted <==**

**----- Start of picture text -----**<br>
24<br>20<br>16<br>12<br>8<br>4 DC Forward Current at<br>Thermal Equilibrium<br>0<br>0 25 50 75 100 125 150 175 200<br>Case Temperature (°C)<br>DC Forward Current (A)<br>**----- End of picture text -----**<br>


Fig. 1 - Maximum Forward Current Derating Curve 

**==> picture [195 x 163] intentionally omitted <==**

**----- Start of picture text -----**<br>
100<br>TA = 150 °C<br>10 TA = 125 °C TA = 100 °C<br>1<br>TA = 25  ° C<br>0.1<br>0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9<br>Instantaneous Forward Voltage (V)<br>Instantaneous Forward Current (A)<br>**----- End of picture text -----**<br>


Fig. 2 - Typical Instantaneous Forward Characteristics 

**==> picture [197 x 365] intentionally omitted <==**

**----- Start of picture text -----**<br>
100<br>TA = 150 °C<br>10 TA = 125 °C<br>T A  = 100 °C<br>1<br>0.1<br>0.01 TA = 25 °C<br>0.001<br>20 40 60 80 100<br>Percent of Rated Peak Reverse Voltage (%)<br>Fig. 3 - Typical Reverse Characteristics<br>10 000<br>T J  = 25  ° C<br>f = 1.0 MHz<br>V sig  = 50 mV p-p<br>1000<br>100<br>0.1 1 10 100<br>Reverse Voltage (V)<br>Instantaneous Reverse Current (mA)<br>Junction Capacitance (pF)<br>**----- End of picture text -----**<br>


Fig. 4 - Typical Junction Capacitance 

Revision: 19-Aug-2019 

Document Number: 89448 

**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 

**VT2045BP** 

Vishay General Semiconductor 

**==> picture [59 x 48] intentionally omitted <==**

www.vishay.com 

**==> picture [197 x 166] intentionally omitted <==**

**----- Start of picture text -----**<br>
10<br>1<br>0.1<br>0.01 0.1 1 10 100<br>t - Pulse Duration (s)<br>Transient Thermal Impedance (°C/W)<br>**----- End of picture text -----**<br>


Fig. 5 - Typical Transient Thermal Impedance 

## **PACKAGE OUTLINE DIMENSIONS** in inches (millimeters) 

**==> picture [238 x 190] intentionally omitted <==**

**----- Start of picture text -----**<br>
TO-220AC<br>0.415 (10.54)<br>0.380 (9.65) 0.161 (4.08) 0.185 (4.70)<br>0.139 (3.53)  [DIA.] 0.175 (4.44)<br>0.055 (1.39)<br>0.113 (2.87)<br>0.045 (1.14)<br>0.103 (2.62)<br>0.635 (16.13) 0.603 (15.32)<br>0.625 (15.87) 0.350 (8.89) 0.573 (14.55)<br>0.330 (8.38)<br>PIN<br>1 2 1.148 (29.16)<br>1.118 (28.40)<br>0.160 (4.06) 0.110 (2.79)<br>0.140 (3.56) 0.100 (2.54)<br>0.057 (1.45) 0.560 (14.22)<br>0.045 (1.14) 0.530 (13.46)<br>0.037 (0.94)<br>0.027 (0.68)  0.022 (0.56)<br>0.205 (5.20) 0.014 (0.36)<br>0.195 (4.95)<br>**----- End of picture text -----**<br>


Revision: 19-Aug-2019 

Document Number: 89448 

**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 

**Legal Disclaimer Notice** Vishay 

www.vishay.com 

## **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. 

Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining applications or for any other application in which the failure of the Vishay product could result in personal injury or death. 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-Jan-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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