SF31 THRU SF38

3.0AMPS. SUPER FAST RECTIFIERS

FEATURE

.

High current capability

.

Low forward voltage drop

.

Low power loss, high efficiency

.

High surge capability

.

High temperature soldering guaranteed

260°C /10sec/ 0.375" lead length at 5 lbs tension

.

Super fast recovery time for high efficiency.

MECHANICAL DATA

.

Terminal: Plated axial leads solderable per

MIL-STD 202E, method 208C

.

Case: Molded with UL-94 Class V-0 recognized

Flame Retardant Epoxy

.

Polarity: color band denotes cathode

.

Mounting position: any

DO-27/DO-201AD

0.96(24.4)

M IN.

0.96(24.4)

M IN.

+

-

.051(1.3)

.043(1.1)

DIA.

.220(5.6)

.187(5.0)

DIA.

.375(9.5)

.335(8.5)

Dimensions in inches and (millimeters)

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Ratings at 25℃ ambient temperature unless otherwise specified.

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

For capacitive load, derate current by 20%

Type Number

SYMBOL SF31 SF32 SF33 SF34 SF35 SF36 SF37 SF38 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

3.0

A

Peak Forward Surge Current 8.3ms single half

sine-wave superimposed on rated load (JEDEC

method)

90.0

A

Maximum Instantaneous forward Voltage at

3.0A DC

0.95

1.3

1.7

V

Maximum DC Reverse Current

at rated DC blocking voltage

5.0

100.0

µA

Maximum Reverse Recovery Time (Note 1)

35

ns

Typical Junction Capacitance (Note 2)

100

80

pF

Typical Thermal Resistance (Note 3)

50

°C/W

Storage Temperature

-55 to +150

°C

Operation Junction Temperature

-55 to +150

°C

Note:

2. Measured at 1.0 MHz and applied reverse voltage of 4.0Vdc

3. Thermal Resistance from Junction to Ambient at 0.375"（9.5mm）lead length, vertical P.C. Board Mounted.