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SF21 THRU SF28

2.0 AMPS. Super Fast Rectifiers

Voltage Range

50 to 600 Volts

Current

2.0 Amperes

Features

Low forward voltage drop

High current capability

High reliability

High surge current capability

Mechanical Data

Cases: Molded plastic

Epoxy: UL 94V-O rate flame retardant

Lead: Axial leads, solderable per

MIL-STD-202, Method 208 guaranteed

Polarity: Color band denotes cathode end

High temperature soldering guaranteed:

260

lengths at 5 lbs., (2.3kg) tension

Weight: 0.40 gram

DO-15

Dimensions in inches and (millimeters)

Maximum Ratings and Electrical Characteristics

Rating at 25

℃ambient temperature unless otherwise specified.

Single phase, half wave, 60 Hz, resistive or inductive load.

For capacitive load, derate current by 20%

Type Number

Symbol

SF

21

SF

22

SF

23

SF

24

SF

25

SF

26

SF

27

SF

28

Units

Maximum Recurrent Peak Reverse

Voltage

50

100 150 200 300 400 500 600

V

Maximum RMS 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

℃

2.0

A

Peak Forward Surge Current, 8.3 ms

Single Half Sine-wave Superimposed on

Rated Load (JEDEC method )

50

A

Maximum Instantaneous Forward Voltage

@ 2.0A

0.95

1.3

1.7

V

Maximum DC Reverse Current

℃at Rated DC Blocking Voltage

℃

5.0

100

uA

uA

Maximum Reverse Recovery Time

(Note 1)

Trr

35

nS

Typical Junction Capacitance (Note 2)

Cj

40

30

pF

Typical Thermal Resistance (Note 3)

R

65

℃/W

Operating Temperature Range

-65 to +125

℃

Storage Temperature Range

-65 to +150

℃

2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C.

3. Mount on Cu-Pad Size 10mm x 10mm on PCB.