CYStech Electronics Corp.

Spec. No. : C185LG

Issued Date : 2013.03.25

Revised Date : 2013.05.03

Page No. : 1/3

SF21G thru SF28G

CYStek Product Specification

2.0Amp. Glass Passivated Super Fast Rectifiers

SF21G thru SF28G

Features

• High current capability

• High reliability

• Low forward voltage drop

• High surge current capability

Mechanical Data

• Case: JEDEC DO-204AC(DO-15) molded plastic

• Terminals: Solder plated, solderable per MIL-STD-750 method 2026

• Polarity: Indicated by cathode band.

• Epoxy : UL94V-0 rate flame retardant

• Weight : 0.014oz., 0.39grams

Maximum Ratings and Electrical Characteristics

(

Rating at 25

°C ambient temperature unless otherwise specified. )

Type

Parameter

Symbol

SF

21G

SF

22G

SF

23G

SF

24G

SF

25G

SF

26G

SF

27G

SF

28G

Units

Repetitive 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 instantaneous

0.95

1.3

1.7

V

Reverse Recovery Time

trr

35

ns

Average forward rectified current

2

A

Peak forward surge current @8.3ms

single half sine wave superimposed

on rated load (JEDEC method)

50

A

Maximum DC reverse current

5

100

μA

μA

Storage temperature

Tstg

-55 ~ +150

℃

Operating temperature

-55 ~ +150

℃

Notes : 1. Pulse test, pulse width=300μsec, 2% duty cycle