Technical Data

Data Sheet N1049, Rev. B

 China - Germany - Korea - Singapore - United States 

 http://www.smc-diodes.com - sales@ smc-diodes.com 

ST2045AX

ST2045AX SCHOTTKY BARRIER RECTIFIER

* Pulse width < 300 µs, duty cycle < 2%

Features

Circuit Diagram

Applications

Maximum Ratings:

Characteristics

Symbol

Condition

Max.

Units

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

VRRM

VRWM

VR

-

45

V

Average Rectified Forward Current

IF (AV)

50% duty cycle @TC= 75°C, rectangular

wave form

20

A

Peak One Cycle Non-Repetitive Surge

Current

IFSM

8.3 ms, half Sine pulse, TC= 25°C

250

A

Electrical Characteristics:

Characteristics

Symbol

Condition

Typ.

Max.

Units

Forward Voltage Drop*

VF1

@ 10A, Pulse, TJ = 25 C

@ 20A, Pulse, TJ = 25 C

0.42

0.48

-

0.58

V

VF2

@ 10A, Pulse, TJ = 125 C

@ 20A, Pulse, TJ = 125 C

0.34

0.41

-

0.50

V

Reverse Current*

IR1

@VR = rated VR, TJ = 25 C

0.02

1.2

mA

IR2

@VR = rated VR, TJ = 125 C

18

35

mA

Junction Capacitance

CT

@VR = 5V, TC = 25 C

fSIG = 1MHz

1700

-

pF



Switching power supply



Converters



Free-Wheeling diodes



Reverse battery protection



150C TJ operation



Center tap configuration



Ultralow forward voltage drop



High purity, high temperature epoxy encapsulation for

enhanced mechanical strength and moisture resistance



High frequency operation



Guard ring for enhanced ruggedness and long term reliability



This is a Pb − Free Device



All SMC parts are traceable to the wafer lot



Additional testing can be offered upon request

R-6