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FEATURES
GALAXY ELECTRICAL
SR220 --- SR2A0
VOLTAGE RANGE: 20 --- 100 V
CURRENT: 2.0 A
SCHOTTKY BARRIER RECTIFIER
Metal-Semiconductor junction with guard ring
Epitaxial construction
Low forward voltage drop,low switching losses
High surge capability
For use in low voltage,high frequency inverters free
xxxx
wheeling,and polarity protection applications
The plastic material carries U/L recognition 94V-0
DO - 15
MECHANICAL DATA
Case:JEDEC DO--15,molded plastic
Terminals: Axial lead ,solderable per
MIL- STD-750,Method 2026
Polarity: Color band denotes cathode
Weight: 0.014ounces,0.39 grams
Mounting position: Any
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
ambient temperature unless otherwise specified.
Single phase,half wave,50 Hz,resistive or inductive load. For capacitive load,derate by 20%.
SR220 SR230 SR240
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
SR250
50
35
50
2.0
SR260
60
42
60
SR280 SR2A0 UNITS
80
56
80
100
70
100
V
V
V
A
V
RRM
V
RMS
V
DC
I
F(AV)
20
14
20
30
21
30
40
28
40
Peak forw ard surge current
8.3ms single half-sine-w ave
superimposed on rated load
@T
J
=125
I
FSM
50.0
A
Maximum instantaneous forw ard voltage
@ 2.0A (Note 1)
Maximum reverse current
@T
A
=25
V
F
I
R
C
J
R
θ
JA
T
J
T
STG
0.55
1.0
10.0
170
35
0.7
0.85
V
mA
at rated DC blocking voltage @T
A
=100
Typical junction capacitance
Typical thermal resistance
(Note2)
(Note3)
pF
／Ｗ
Operating junction temperature range
Storage temperature range
NOTE: 1. Pulse test:300us pulse width,1% duty cy cle.
-
55
---- + 125
-
55
---- + 150
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2. Measured at 1.0MHz and applied rev erse v oltage of 4.0V DC.
3.Thermal resistance junction to ambient
Document Number 0266009
BL
GALAXY ELECTRICAL
1
.
RATINGS AND CHARACTERISTIC CURVES
SR220 --- SR2A0
FIG.1 -- FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD RECTIFIED CURRENT
FIG.2 -- PEAK FORWARD SURGE CURRENT
2.0
PEAK FORWARD SURGE CURRENT
50
40
1.5
AMPERES
1.0
0.5
Resistive or
Inductive Load
0.375"(9.5mm)
Lead Length
AMPERES
30
20
10
0
T
J
=T
J
MAX
8.3ms Single Half
Sine-Wave
0
0
25
50
75
100
125
150
175
1
10
100
LEAD TEMPERATURE,
NUMBER OF CYCLES AT 60Hz
FIG.3 -- TYPICAL INSTANTANEOUS FORWARD
XXXXXXXXX----CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT
50
SR220 - SR240
FIG.4 -- TYPICAL JUNCTION CAPACITANCE
400
CAPACITANCE,pF
10
AMPERES
SR280 - SR2A0
100
1
SR250 - SR260
0.1
Pulse Width=300
µ
s
1% DUTY CYCLE
T
J
=25℃
f=1.0MHz
Vsig=50mVp-p
10
0.1
1
10
100
0.01
0
0.2 0.4 0.6
0.8 1.0
1.2 1.4 1.6
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
REVERSE VOLTAGE,VOLTS
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Document Number 0266009
BL
GALAXY ELECTRICAL
2
.
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