FEATURES

* Plastic package has Underwriters Laboratory

Flammability Classification 94V-0

* Ideally suited for use in very high frequency switching

power supplies,inverters and as free wheeling diodes

* Deffused junction

* Ultrafast recovery time for high efficiency

* Soft recovery characteristics

* Excellent high temperature switching

* High temperature soldering guaranteed:

260°C/10 seconds

Mechanical Data

Case

: JEDEC DO-15, molded plastic body

Terminals

: Plated axial leads, solderable per

MIL-STD-750, Method 2026

Polarity

: Color band denotes cathode end

Mounting Position

: Any

Weight

: 0.015 oz., 0.40 g

We declare that the material of product

Handling precautin

:None

compliance with ROHS requirements

1.Electrical Characteristic

Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.

Parameter Symbol

symbol

SF

21

SF

22

SF

23

SF

24

SF

25

SF

26

SF

27

SF

28

Unit

device marking code

SF

21

SF

22

SF

23

SF

24

SF

25

SF

26

SF

27

SF

28

Maximum repetitive peak reverse voltage

50

100

150

200

300

400

500

600

V

Maximum RSM voltage

35

70

105

140

210

280

350

420

V

Maximum DC blocking voltage

50

100

150

200

300

400

500

600

V

Maximum average forward rectified current

IF(AV)

A

Peak forward surge current 8.3ms single half sine-

wave superimposed on rated load (JEDEC Method)

A

Typical thermal resistance (Note 2)

RθJA

°C/W

Operating junction and storage temperature range

TJ, TSTG

°C

Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.

Parameter Symbol

symbol

SF

21

SF

22

SF

23

SF

24

SF

25

SF

26

SF

27

SF

28

Unit

Maximum instantaneous forward voltage at 2.0A

V

Maximum DC reverse current TA = 25°C

at rated DC blocking voltage TA = 100°C

IR

µA

Typical reverse recovery time (Note 1)

trr

ns

Typical junction capacitance at 4.0V, 1MHz

CJ

PF

NOTES:

1. IF = 0.5A, IR = 1.0A, IRR = 0.25A

2. Thermal resistance from junction to ambient at 0.375” (9.5mm) lead length, P.C.B. mounted

1.25

45

–50 to +150

1.7

5.0

200

35

25.0

SF21 thru SF28

Super Fast Rectifiers

Reverse Voltage 50 to 600V Forward Current 2.0A

2.0

60

0.95