FEATURES

Low cost

Low leakage

Low forward voltage drop

High current capability

MECHANICAL DATA

Case:JEDEC DO--27,molded plastic

Terminals: Axial lead ,solderable per

MIL- STD-202,Method 208

Polarity: Color band denotes cathode

Weight: 0.041 ounces,1.15 grams

Mounting position: Any

Ratings at 25

ambient temperature unless otherwise specified.

Single phase,half wave,60Hz,resistive or inductive load. For capacitive load,derate by 20%.

USF32

USF33

USF34

UNITS

Maximum recurrent peak reverse voltage

100

150

200

V

Maximum RMS voltage

70

105

140

V

Maximum DC blocking voltage

100

150

200

V

Maximum average forw ard rectified current

9.5mm lead length,

@T

Peak forw ard surge current

8.3ms single half-sine-w ave

superimposed on rated load

@T

Maximum instantaneous forw ard voltage

@ 3.0A

V

Maximum reverse current

@T

at rated DC blocking voltage

@T

Maximum reverse recovery time (Note1)

ns

Typical junction capacitance

(Note2)

pF

Typical thermal resistance

(Note3)

/W

Operating junction temperature range

Storage temperature range

3. Thermal resistance f rom junction to ambient.

GALAXY ELECTRICAL

A

125.0

USF31 --- USF34

A

Easily cleaned with alcohol,Isopropanol

and similar solvents

3.0

NOTE: 1. Measured with I

2. Measured at 1.0MHz and applied rev erse v oltage of 4.0V DC.

A

- 55 ----- + 150

10.0

SUPER FAST RECTIFIER

USF31

50

The plastic material carries U/L recognition 94V-0

VOLTAGE RANGE: 50 --- 200 V

CURRENT: 3.0 A

DO - 27

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

35

- 55 ----- + 150

20

20

500.0

50

0.92

20

www.galaxycn.com

BL

Document Number 0264030

1

.

1.0(25.4)MIN

.350(8.9)

1.0(25.4)MIN

.374(9.5)

.052(1.3)

.048(1.2)

.193(4.9)

.217(5.5)