SF31 – SF37

1 of 3

© 2002 Won-Top Electronics

SF31 – SF37

3.0A SUPER-FAST RECTIFIER

Features

!

Diffused Junction

!

Low Forward Voltage Drop

!

High Current Capability

A

B

A

!

High Reliability

!

High Surge Current Capability

Mechanical Data

C

!

Case: Molded Plastic

D

!

Terminals: Plated Leads Solderable per

MIL-STD-202, Method 208

!

Polarity: Cathode Band

!

Weight: 1.2 grams (approx.)

!

Mounting Position: Any

!

Marking: Type Number

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

For capacitive load, derate current by 20%.

Characteristic

Symbol

SF31

SF32

SF33

SF34

SF35

SF36

SF37

Unit

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

50

100

150

200

300

400

600

V

RMS Reverse Voltage

35

70

105

140

210

280

420

V

Average Rectified Output Current

(Note 1)

3.0

A

Non-Repetitive Peak Forward Surge Current 8.3ms

Single half sine-wave superimposed on rated load

(JEDEC Method)

125

A

Forward Voltage

0.95

1.3

1.7

V

Peak Reverse Current

At Rated DC Blocking Voltage

5.0

100

µA

Reverse Recovery Time (Note 2)

35

nS

Typical Junction Capacitance (Note 3)

100

80

pF

Operating Temperature Range

-65 to +125

°C

Storage Temperature Range

-65 to +150

°C

*Glass passivated forms are available upon request

Note: 1. Leads maintained at ambient temperature at a distance of 9.5mm from the case

2. Measured with IF = 0.5A, IR = 1.0A, IRR = 0.25A. See figure 5.

3. Measured at 1.0 MHz and applied reverse voltage of 4.0V D.C.

WTE

POWER SEMICONDUCTORS

DO-201AD

Dim

Min

Max

A

25.4

—

B

8.50

9.50

C

1.20

1.30

D

5.0

5.60

All Dimensions in mm