SFM31 View Datasheet(PDF) - Formosa Technology

Part Name

Description

Manufacturer

SFM31

3.0A Surface Mount Super Fast Rectifiers-50-600V

Formosa Technology 

Rating and characteristic curves (SFM31 THRU SFM38)

FIG.1-TYPICAL FORWARD

CHARACTERISTICS

10

3.0

.3

.03

36

35~SFM

SFM

38

37~SFM

SFM

TJ=25 C

Pulse Width 300us

1% Duty Cycle

.003

.4

.6 .8 1.0 1.2 1.4 1.6 1.8

FORWARD VOLTAGE,(V)

FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE

RECOVERY TIME CHARACTERISTICS

50W

NONINDUCTIVE

10W

NONINDUCTIVE

(+)

25Vdc

(approx.)

()

D.U.T.

1W

NON-

INDUCTIVE

OSCILLISCOPE

(NOTE 1)

()

PULSE

GENERATOR

(NOTE 2)

(+)

NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF.

2. Rise Time= 10ns max., Source Impedance= 50 ohms.

+0.5A

0

-0.25A

trr

|

|

|

|

|

|

|

|

FIG.2-TYPICAL FORWARD CURRENT

DERATING CURVE

3.6

3.0

2.4

1.8

1.2

0.6

0

0

25 50 75 100 125 150 175

AMBIENT TEMPERATURE (°C)

FIG.4-MAXIMUM NON-REPETITIVE FORWARD

SURGE CURRENT

100

80

60

TJ=25 C

8.3ms Single Half

40

Sine Wave

JEDEC method

20

0

1

5

10

50

100

NUMBER OF CYCLES AT 60Hz

FIG.5-TYPICAL JUNCTION CAPACITANCE

1000

TJ = 25°C

f = 1.0 MHZ

100

-1.0A

1cm

SET TIME BASE FOR

50 / 10ns / cm

10

0.1

1.0

4.0 10

100

REVERSE VOLTAGE,(V)

http://www.formosams.com/

TEL:886-2-22696661

FAX:886-2-22696141

Page 3

Document ID Issued Date

DS-121405 2008/02/10

Revised Date Revision

2010/03/10

D

Page.

7

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