USF31 Datasheet, PDF (1/2 Pages) Galaxy Semi-Conductor Holdings Limited – SUPER FAST RECTIFIER

Diode Semiconductor Korea
USF31 --- USF34
SUPER FAST RECTIFIERS
VOLTAGE RANGE: 50 --- 200 V
CURRENT: 3.0 A
FEATURES
Low cost
Low leakage
Low forward voltage drop
High current capability
Easily cleaned with alcohol,Isopropanol
and similar solvents
The plastic material carries U/L recognition 94V-0
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
DO - 27
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 by 20%.
Dimensions in millimeters
Maximum recurrent peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
V_RRM
V_RMS
V_DC
Maximum average forw ard rectified current
9.5mm lead length,
@T_A=75
I_F(AV)
Peak forw ard surge current
8.3ms single half-sine-w ave
I_FSM
superimposed on rated load @T_J=125
Maximum instantaneous forw ard voltage
@ 3.0A
V_F
Maximum reverse current
@T_A=25
I_R
at rated DC blocking voltage @T_A=100
Maximum reverse recovery time (Note1)
t_rr
Typical junction capacitance (Note2)
C_J
Typical thermal resistance
(Note3)
R_θJA
Operating junction temperature range
T_J
Storage temperature range
T_STG
NOTE: 1. Measured with I_F=0.5A, I_R=1A, I_rr=0.25A.
2. Measured at 1.0MHz and applied rev erse v oltage of 4.0V DC.
3. Thermal resistance f rom junction to ambient.
USF31
50
35
50
USF32
USF33
100
150
70
105
100
150
3.0
125.0
0.92
10.0
500.0
20
20
20
- 55 ----- + 150
- 55 ----- + 150
USF34
200
140
200
UNITS
V
V
V
A
A
V
A
ns
pF
/W
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