BL
FEATURES
GALAXY ELECTRICAL
RU20A(Z)
VOLT AGE RANGE: 600 V
CURRENT : 1.5 A
HIGH EFFICIENCY RECT IFIER
Low cos t
Diffus ed junction
Low leakage
Low forward voltage drop
High crrent capability
Eas ily cleaned with freon, alcohol, ls opropand
and s im ilar s olvents
DO - 15L
MECHANICAL DATA
Cas e: JEDEC DO-15L, m olded plas tic
Term inals : Axial leads ,s olderable per MIL-STD-202,
Method 208
Polarity: Color band denotes cathode
Weight: 0.017 ounces , 0.48 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,50 Hz,res is tive or inductive load. For capacitive load,derate by 20%.
RU20A
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
superimposed on rated load
@T
J
=125
@T
A
=75
UNITS
V
V
V
A
V
RRM
V
R MS
V
DC
I
F (AV)
600
420
600
1.5
I
F SM
50.0
A
Maximum instantaneous f orw ard voltage
@ 1.5A
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
N OTE: 1.Measured with I
F
=0.5A, I
R
=1A, I
rr
=0.25A.
2. Measured at 1.0MH
Z
and applied rev erse v oltage of 4.0V D C .
3.Therm al resistanc e junction to am bient .
V
F
I
R
t
rr
C
J
R
θ
J L
T
J
T
STG
1.1
10.0
300.0
100
50
15
- 55 ----- + 150
- 55 ----- + 150
V
µ
A
ns
pF
／Ｗ
@T
A
=25
@T
A
=100
(Note1)
(Note2)
(Note3)
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Document Number 0262041
BL
GALAXY ELECTRICAL
1
.
RATINGS AND CHARACTERISTIC CURVES
FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
t
rr
50
N 1.
10
N 1.
RU20A(Z)
+0.5A
D.U.T.
0
(+)
25VDC
(approx)
(-)
1
NONIN-
DUCTIVE
PULSE
GENERATOR
(NOTE2)
OSCILLOSCOPE
(NOTE1)
-0.25A
-1.0A
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
20
10
FIG.3 -- FORWARD DERATING CURVE
AVERAGE FORWARD RECTIFIED CURRENT
AMPERES
1.5
T
J
=25
Pulse Width=300ns
1
1.2
0.9
AMPERES
0.1
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.6
0.3
0.01
0
0
25
50
75
100
125
150
0.001
0.1
0.3
0.5
0.7
0.9
1.1
1.3
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
AMBIENT TEMPERATURE,
FIG.4 -- PEAK FORWARD SURGE CURRENT
50
FIG.5--TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE,pF
200
100
60
40
20
10
PEAK FORWARD SURGE CURRENT
AMPERES
40
8.3ms Single Half
Sine-Wave
30
20
4
T
J
=25
2
1
0.1 0.2
0.4
1
2
4
10
20
40
100
10
0
1
5
10
50
NUMBER OF CYCLES AT 60Hz
REVERSE VOLTAGE,VOLTS
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BL
GALAXY ELECTRICAL
Document Number 0262041
2
.
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