Document
BL GALAXY ELECTRICAL
SCHOTTKY BARRIER RECTIFIER
SB270 ---SB2A0
VOLTAGE RANGE: 70 --- 100 V CURRENT: 2.0 A
FEATURES 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
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
DO - 15
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%.
SB270
Maximum recurrent peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forw ard rectified current
9.5mm lead length,
@TA=75
Peak forw ard surge current
8.3ms single half-sine-w ave
superimposed on rated load @TJ=125
Maximum instantaneous forw ard TJ=25
voltage @ 2.0A (Note 1)
TJ=100
VRRM VRMS VDC IF(AV)
IFSM
VF
Maximum reverse current
@TA=25
at rated DC blocking voltage @TA=100
IR
Typical junction capacitance (Note2)
CJ
Typical thermal resistance (Note3)
RθJA
Operating junction temperature range
TJ
Storage temperature range
NOTE: 1. Pulse test:300us pulse width,1% duty cy cle.
TSTG
2. Measured at 1.0MHz and applied rev erse v oltage of 4.0V DC.
3.Thermal resistance junction to ambient
70 49 70
SB280
SB290
80 56 80
2.0
90 63 90
60.0
0.79 0.69 0.5 20.0 250
20 - 55 ---- + 125 - 55 ---- + 150
SB2A0
100 70
100
UNITS
V V V A
A
V
mA pF
/W
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Document Number 0266023
BLGALAXY ELECTRICAL
1.
RATINGS AND CHARACTERISTIC CURVES
SB270 --- SB2A0
AVERAGE FORWARD RECTIFIED CURRENT AMPERES
FIG.1 -- FORWARD CURRENT DERATING CURVE
2.0 1.5
Resistive or 1.0 Inductive Load
0.375"(9.5mm) 0.5 Lead Length
0 0 25 50 75 100 125 150 175
LEAD TEMPERATURE,
PEAK FORWARD SURGE CURRENT AMPERES
FIG.2 -- PEAK FORWARD SURGE CURRENT
60 48 36 24 12 0
1
TJ=TJMAX 8.3ms Single Half
Sine-Wave
10 100
NUMBER OF CYCLES AT 60Hz
INSTANTANEOUS FORWARD CURRENT AMPERES
FIG.3 -- TYPICAL INSTANTANEOUS FORWARD XXXXXXXXX---- CHARACTERISTICS
50
10
1
0.1
0.01 .3 .4 .5
Pulse Width=300µs 1% DUTY CYCLE
.6 .7 .8 .9 1.0 1.1
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
CAPACITANCE,pF
FIG.4 -- TYPICAL JUNCTION CAPACITANCE
400
100
10 0.1
TJ=25 f=1.0MHz Vsig=50mVp-p
1
10
100
REVERSE VOLTAGE,VOLTS
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Document Number 0266023
BLGALAXY ELECTRICAL
2.
.