CYStech Electronics Corp.

Spec. No. : C175SB

Issued Date : 2015.03.31

Revised Date :

Page No. : 2/7

SKM545USB

CYStek Product Specification

Marking Information

M545U = Product Type Marking Code

Y M = Date Code Marking

Y = Last One Digits of Year (ex: 4 for 2014)

M = Month code (1 ~ 9、10→A、11→B、12→C)

Maximum Ratings and Electrical Characteristics

(

Rating at 25C ambient temperature unless otherwise specified.

Single phase, half wave, 60Hz,

resistive or inductive load.

For capacitive load, derate current by 20%.)

Parameter

Symbol

Min. Typ.

Max.

Units

Maximum DC blocking voltage

45

V

Maximum Recurrent peak reverse voltage

45

V

Maximum RMS voltage

32

V

Maximum instantaneous forward voltage

0.46

0.49

V

0.42

0.45

60

300

μA

reverse current at

15

35

mA

5

A

Non-repetitive peak forward surge current @

120

A

8.3ms single half sine wave superimposed on

rated load (JEDEC method)

Peak Repetitive Reverse Surge Current (2uS-1Khz)

2

A

Storage temperature range

-55

150

℃

Operating junction temperature range

-55

150

℃

Thermal Data

Parameter

Symbol

Value

Unit

75

C/W

18

C/W

Note

1. FR-4 PCB, 2oz. Copper. Minimum recommended pad layout.

2. Short duration pulse test used to minimize self-heating effect.