BL
FEATURES
GALAXY ELECTRICAL
UF5400G -- UF5408G
VOLTAGE RANGE: 50 --- 1000 V
CURRENT: 3.0 A
GLASS
PASSIVATED
RECTIFIERS
Glass passivated junction
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
DO - 27
v
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
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%.
UF
UF
UF
UF
UF
UF
UF
UF
UF
UNITS
5400G 5401G 5402G 5403G 5404G 5405G 5406G 5407G 5408G
Maximum recurrent peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forw ard rectified current
9.5mm lead length,
@T
A
=75
V
RRM
V
RMS
V
DC
I
F(AV)
50
35
50
100
70
100
200
140
200
300
210
300
400
280
400
3.0
500
350
500
600
420
600
800
560
800
1000
700
1000
V
V
V
A
Peak forw ard surge current
8.3ms single half-sine-w ave
superimposed on rated load
@T
J
=125
I
FSM
150.0
A
Maximum instantaneous forw ard voltage
v
at 3.0 A
Maximum reverse current
at rated DC blocking voltage
Maximum reverse recovery time
Typical junction capacitance
Typical thermal resistance
@T
A
=25
@T
A
=100
(Note1)
(Note2)
(Note3)
V
F
I
R
t
rr
C
J
R
θJA
T
J
T
STG
1.0
10.0
100.0
50
45
20
- 55 ---- + 175
- 55 ---- + 175
1.7
V
A
75
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 rev erse v oltage of 4.0V DC.
www.galaxycn.com
3. Thermal
resistance junction
to
ambient.
Document Number 0269012
BL
GALAXY ELECTRICAL
1.
RATINGS AND CHARACTERISTIC CURVES
UF5400G --- UF5408G
FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
t
rr
50
N 1.
10
N 1.
+0.5A
D.U.T.
(+)
50VDC
(approx)
(-)
(-)
PULSE
GENERATOR
(NOTE2)
(-)
0
-0.25A
1
NONIN-
DUCTIVE
OSCILLOSCOPE
(NOTE 1)
-1.0A
1cm
NOTES:1.RISE TIME = 7ns MAX.INPUT IMPEDANCE = 1M .22pF.
JJJJJ2.RISE
TIME =10ns MAX.SOURCE IMPEDANCE=50 .
SET TIME BASE FOR 10/20 ns/cm
FIG.2 -- TYPICAL FORWARD CHARACTERISTIC
INSTANTANEOUS FORWARD CURRENT
FIG.3 -- FORWARD DERATING CURVE
3.0
z
U F 5 4 0 0 G --U F 5 4 0 4 G
AVERAGE FORWARD CURRENT
100
2.5
2.0
10
AMPERES
AMPERES
1
1.5
1.0
0.5
0
Single Phase
Half Wave 60H
Z
Resistive or
Inductive Load
0 .1
U F 5 4 0 5 G --U F 5 4 0 8 G
T
J
=25
P u ls e w id th = 3 0 0
s
0 .0 1
0 .4 0 .6 0 .8 1 .0
20
40
60
80
100
120 140 160 180
1 .2 1 .4 1 .6 1 .8
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
AMBIENT TEMPERATURE,
FIG.4 -- TYPICAL JUNCTION CAPACITANCE
PEAK FORWARD SURGE CURRENT
FIG.5 -- PEAK FORWARD SURGE CURRENT
JUNCTION CAPACITANCE,pF
80
70
60
50
40
30
20
10
0.1
1
4
10
100
1000
T
J
=25
f=1MHz
150
125
100
8.3ms Single Half
Sine-Wave
AMPERES
75
50
25
0
1
2
5
10
20
50 100
REVERSE VOLTAGE,VOLTS
NUMBER OF CYCLES AT 60Hz
www.galaxycn.com
Document Number 0269012
BL
GALAXY ELECTRICAL
2.
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