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 wheeling,and polarity protection applications The plastic material carries U/L recognition 94V-0
Mechanical Data
Case:JEDEC DO--27,molded plastic Terminals: Axial lead ,solderable per
MIL- STD-750,Method 2026 Polarity: Color band denotes cathode Weight: 0.041ounces,1.15 grams Mounting position: Any
SB520-SB5A0
Schottky Barrier Rectifiers VOLTAGE RANGE: 20 --- 100 V
CURRENT: 5.0A DO - 27
Dimensions in millimeters
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%.
SB520 SB530 SB540 SB550 SB560 SB570 SB580 SB590 SB5A0 UNITS
Maximum recurrent peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forw ard rectified current
9.5mm lead length, (see fig.1) Peak forw ard surge current
8.3ms single half-sine-w ave superimposed on rated load @TJ=125 Maximum instantaneous forw ard voltage
@ 5.0A (Note 1)
VRRM VRMS VDC
IF(AV)
20 30 40 14 21 28 20 30 40
IFSM
VF 0.55
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
50.0 500
- 55 ---- + 125
50 60 70 80 90 100 35 42 49 56 63 70 50 60 70 80 90 100
5.0
150.0
0.7 0.85 2.5 25.0 400 25 - 55 ---- + 150
- 55 ---- +150
V V V A
A
V
mA pF
/W
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AVERAGE FORWARD RECTIFIED CURRENT AMPERES
SB520-SB5A0
Schottky Barrier Rectifiers
Ratings AND Charactieristic Curves
FIG.1 -- FORWARD CURRENT DERATING CURVE
FIG.2 -- PEAK FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT AMPERES
5.0 SB520 - SB540
4.0
3.0
2.0 Resistive or Inductive Load 0.375"(9.5mm)
1.0 Lead Length
0 0 25
50
75
SB550 - SB5A0 100 125 150 175
LEAD TEMPERATURE,
150 125 100
75 50 25
0 1
TJ=TJMAX 8.3ms Single Half
Sine-Wave
10 100
NUMBER OF CYCLES AT 60Hz
FIG.3 -- TYPICAL INSTANTANEOUS FORWARD XXXXXXX----CHARACTERISTICS
50
SB520 - SB540
10
SB550 - SB560
1
SB570-SB5A0
0.1
0.01 0
TJ=25 Pulse Width=300µs 1% DUTY CYCLE
0.2 0.4 0.6 0.8 1.0 1.2 1.4
1.6
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
CAPACITANCE,pF
FIG.4 -- TYPICAL JUNCTION CAPACITANCE
4000
1000
SB520 - SB540 SB550 - SB5A0
100 0.1
1
TJ=25 f=1.0MHz Vsig=50mVp-p
10 100
REVERSE VOLTAGE,VOLTS
INSTANTANEOUS FORWARD CURRENT AMPERES
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mail:
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.