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FEATURES
GALAXY ELECTRICAL
SB220 --- SB260
VOLTAGE RANGE: 20 --- 60V
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 m aterial carries U/L recognition 94V-0
DO - 15
MECHANICAL DATA
Case:JEDEC DO--15,molded plastic
Terminals: Axial lead ,solderable per
MIL- STD-202,Method 208
Polarity: Color band denotes cathode
Weight: 0.014 ounces,0.39 grams
Mounting position: Any
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
am bient temperature unless otherwise specified.
Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%.
SB220
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
SB230
30
21
30
SB240
40
28
40
2.0
SB250
50
35
50
SB260
60
42
60
UNITS
V
V
V
A
V
RRM
V
RMS
V
DC
I
F(AV)
20
14
20
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 (Note1)
Maximum reverse current
at rated DC blocking voltage
Typical junction capacitance
Typical thermal resistance
@T
A
=25
@T
A
=100
(Note2)
(Note3)
V
F
I
R
C
J
R
θ
JA
T
J
T
STG
0.55
0.5
20.0
170
35
-
55
---- + 125
-
55
---- + 150
0.70
V
mA
pF
/W
Operating junction temperature range
Storage temperature range
Note: 1. Pulse test : 300 s pulse width,1% duty cy cle.
2. Measured at 1.0MHz and applied rev erse v oltage of 4.0V DC.
3.Thermal resistance junction to ambient.
www.galaxycn.com
Document Number 0266005
BL
GALAXY ELECTRICAL
1
.
RATINGS AND CHARACTERISTIC CURVES
FIG.1 -- FORWARD CURRENT DERATING CURVE
INSTANTANEOUS FORWARD CURRENT
AVERAGE FORWARD RECTIFIED
CURRENT,AMPERES
50
T
J
=25
PULSE WIDTH =300
µ
s
1% DUTY CYCLE
SB220 --- SB260
FIG.2 --TYPICAL INSTATANEOUS FORWARD
CHARACTERISTICS
2.0
Resistive or
Inductive Load
0.375"(9.5mm)
Lead Length
10
AMPERES
1.5
SB220 - SB240
1.0
SB250 - SB260
1
0.5
0
50
60
70
80
90 100
110 120 130
140
0.1
0.2 0.3 0.4
0.5 0.6
0.7
0.8 0.9
1.0
1.1
AMBIENT TEMPERATURE,
INSTANTANEOUS FORWARD VOLTAGE,VOLTS
FIG.4--MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
FIG.3 --TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE LEAKAGE
AMPERES
10
T
J
= 1 0 0
℃
FORWARD CURGE CURRENT
AMPERES
50
T
J
=T
J
MAX
8.3ms Single Half
Sine-Wave
1 .0
T
J
= 7 5
℃
40
30
0 .1
T
J
= 2 5
℃
20
0 .0 1
SB 220
SB 260
10
0 .0 0 1
0
20
40
60
80
100
120 140
1
10
100
PERCENT OF RATED PEAK REVERSE VOLTAGE,%
NUMBER OF CYCLES AT 60Hz
FIG.5--TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE,pF
1000
T
J
=25℃
f=1.0MHz
Vsig=50mVp-p
100
SB220
10
0.1
SB260
0.4
1
4
10
20
100
REVERSE VOLTAGE,VOLTS
www.galaxycn.com
Document Number 0266005
BL
GALAXY ELECTRICAL
2.
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