BL
FEATURES
GALAXY ELECTRICAL
RU4M(Z) --- RU4AM(Z)
VOLTAGE RANGE: 400 --- 600 V
CURRENT: 3.5 A
HIGH EFFICIENCY RECT IFIER
Low cos t
Diffus ed junction
Low leakage
Low forward voltage drop
High current capability
Eas ily cleaned with freon, alcohol, ls opropand and
s im ilar s olvents
The plas tic m aterial carries U/L recognition 94V-0
DO - 27
MECHANICAL DATA
Cas e: JEDEC DO-27, m olded plas tic
Term inals : Axial leads ,s olderable per
MIL-STD-202,Method 208
Polarity: Color band denotes cathode
Weight: 0.041ounces ,1.15 gram s
Mounting: Any
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
am bient tem perature unles s otherwis e s pecified.
Single phas e,half wave,60 Hz,res is tive or inductive load. For capacitive load,derate by 20%.
RU4M
Maximum peak repetitive reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average f orw ard rectif ied current
9.5mm lead length,
Peak f orw ard surge current
10ms single half -sine-w ave
superimplsed on rated load
@T
J
=125
Maximum instantaneous f orw ard voltage
@ 3.5A
Maximum reverse current
at rated DC blocking voltage
Maximum reverse recovery time
Typical junction capacitance
Typical thermal resistance
Operating junction temperature range
Storage temperature range
NOTE: 1. Measured with I
F
=0.5A, I
R
=1A, Irr=0.25A.
2. Measured at 1.0MH
Z
and applied rev erse v oltage of 4.0V DC.
3. Thermal resistance junction to am bient.
RU4AM
600
420
600
3.5
UNITS
V
V
V
A
V
RRM
V
RMS
V
DC
I
F(AV)
400
280
400
@T
A
=75
I
FSM
V
F
I
R
t
rr
C
J
R
θ
JL
T
J
T
STG
70
70.0
A
1.3
10.0
V
A
@T
A
=25
@T
A
=100
(Note1)
(Note2)
(Note3)
300.0
100
50
8
- 55 ----- + 150
- 55 ----- + 150
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ns
pF
／Ｗ
Document Number 0262047
BL
GALAXY ELECTRICAL
1.
RATINGS AND CHARACTERISTIC CURVES
RU4M(Z)---RU4AM(Z)
FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50
N 1.
10
N 1.
t
rr
+0.5A
D.U.T.
(+)
25VDC
(approx)
(-)
1
NONIN-
DUCTIVE
PULSE
GENERATOR
(NOTE2)
OSCILLOSCOPE
(NOTE1)
0
-0 .2 5 A
-1 .0 A
1cm
NOTES:1.RISE TIME = 7ns MAX.INPUT IMPEDANCE =1M . 22pF.
JJJJ
2.RISE TIME =10ns MAX.SOURCE IMPEDANCE=50 .
SET TIME BASE FOR 10/20 ns/cm
FIG.2 -- TYPICAL FORWARD CHARACTERISTIC
INSTANTANEOUS FORWARD CURRENT
100
10
FIG.3 -- FORWARD DERATING CURVE
AVERAGE FORWARD RECTIFIED CURRENT
AMPERES
3.5
3.0
T
J
=25
Pulse Width=300
µ
S
1.0
AMPERES
2.0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
1.0
0.1
0.04
0.01
0
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6
1.8 2
0
25
50
75
100
125
150
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
AMBIENT TEMPERATURE,
FIG.4 -- PEAK FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT
AMPERES
70
FIG.5-- TYPICAL JUNCTION CAPACITANCE
200
60
50
T
J
=25
8.3ms Single Half
Sine-Wave
JUNCTION CAPACITANCE,pF
40
30
RU4M
100
70
50
20
10
0 1
T
J
=25
20
10
0.1 0.2
0.4
1
2
RU4AM
5
10
50
4
10
20
40
100
NUMBER OF CYCLES AT 60Hz
REVERSE VOLTAGE,VOLTS
www.galaxycn.com
Document Number 0262047
BL
GALAXY ELECTRICAL
2.
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