BL
FEATURES
Low cost
GALAXY ELECTRICAL
UF1001 --- UF1007
VOLTAGE RANGE: 50 --- 1000 V
CURRENT: 1.0 A
ULTRA FAST RECTIFIER
DO - 41
Diffusde junction
Ultra fast switching for high efficiency
Low reverse leakage current
Low forward voltage drop
High current capability
The plastic material carries U/L recognition 94V-0
MECHANICAL DATA
Case:JEDEC DO--41,molded plastic
Polarity: Color band denotes cathode
Weight: 0.012 ounces,0.34 grams
Mounting position: Any
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
ambient temperature unless otherwise specified.
Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%.
UF1001 UF1002 UF1003 UF1004 UF1005 UF1006 UF1007 UNITS
Maximum recurrent peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
9.5mm lead length,
Peak forward surge current
8.3ms single half-sine-wave
superimposed on rated load
@T
J
=125
@T
A
=75
V
RRM
V
RMS
V
DC
I
F(AV)
50
35
50
100
70
100
200
140
200
400
280
400
1.0
600
420
600
800
560
800
1000
700
1000
V
V
V
A
I
FSM
30.0
A
Maximum instantaneous forward voltage
@ 1.0A
Maximum reverse current
@T
A
=25
V
F
I
R
t
rr
C
J
R
θ
JA
T
J
T
STG
1.00
10.0
100.0
50
20
50
- 55 ----- + 150
- 55 ----- + 150
1.20
V
A
at rated DC blocking voltage @T
A
=100
Maximum reverse recovery time (Note1)
Typical junction capacitance
Typical thermal resistance
(Note2)
(Note3)
75
10
ns
pF
／Ｗ
Operating junction temperature range
Storage temperature range
NOTE: 1. Measured with I
F
=0.5A, I
R
=1A, I
rr
=0.25A.
2. Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
3.Thermal resistance junction to ambient
www.galaxycn.com
Document Number 0264005
BL
GALAXY ELECTRICAL
1.
RATINGS AND CHARACTERISTIC CURVES
UF1001 --- UF1007
FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50
N 1.
10
N 1.
t
rr
+0.5A
D.U.T.
(+)
50VDC
(approx)
(-)
1
NONIN-
DUCTIVE
(-)
PULSE
GENERATOR
(NOTE2)
OSCILLOSCOPE
(NOTE 1)
(-)
0
-0 .2 5 A
-1 .0 A
1cm
NOTES:1.RISE TIME = 7ns MAX.INPUT IMPEDANCE = 1M .22pF.
JJJJJ2.RISE
TIME =10ns MAX.SOURCE IMPEDANCE=50 .
SET TIME BASE FOR 10 ns/cm
FIG.2 -- TYPICAL FORW ARD CHARACTERISTIC
INSTANTANEOUS FORWARD CURRENT
AVERAGE FORWARD CURRENT
2.0
FIG.3 -- FORW ARD DERATING CURVE
1.0
z
U F4001 - U F4004
U F4005 - U F4007
1.0
AMPERES
AMPERES
0.5
0.1
T
J
=25
P ulse W idth=300
µ
s
Single Phase
Half Wave 60H
Z
Resistive or
Inductive Load
0.375"(95mm)Lead Length
0
0
25
50
75
1 00
1 25
1 50
175
0
0.4
0.6
0.8
1.0
1.2
1.4
1.6
INSTANTANEOUS FORW ARD VOLTAGE, VOLTS
AMBIENT TEMPERATURE,
FIG.4 -- TYPICAL JUNCTION CAPACITANCE
PEAK FORWARD SURGE CURRENT
FIG.5 -- PEAK FORW ARD SURGE CURRENT
100
JUNCTION CAPACITANCE,pF
60
40
20
10
6
4
2
30
25
20
8.3ms Single Half
Sine-Wave
UF1001--UF1004
AMPERES
15
10
5
0
0
1
5
20
50
100
UF1005--UF1007
T
J
=25
f=1MHz
1
0.1 0.2
0.4
1
2
4
10
20
40
100
REVERSE VOLTAGE,VOLTS
NUMBER OF CYCLES AT 60Hz
www.galaxycn.com
Document Number 0264005
BL
GALAXY ELECTRICAL
2.
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