SB520 THRU SB560
SCHOTTKY BARRIER RECTIFIER
Reverse Voltage -
20 to 60 Volts
Forward Current -
5.0 Amperes
FEATURES
DO-201AD
1.0 (25.4)
MIN.
0.210 (5.3)
0.190 (4.8)
DIA.
0.375 (9.5)
0.285 (7.2)
0.052 (1.32)
0.048 (1.22)
DIA.
1.0 (25.4)
MIN.
♦
Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
♦
Metal silicon junction, majority carrier conduction
♦
Low power loss,
high efficiency
♦
High current capability,
low forward voltage drop
♦
High surge capability
♦
Guardring for overvoltage protection
♦
For use in low voltage, high frequency inverters,
free wheeling, and polarity protection applications
♦
High temperature soldering guaranteed:
250°C/10 seconds, 0.375" (9.5mm) lead length,
5 lbs. (2.3 kg) tension
MECHANICAL DATA
Case:
JEDEC DO-201AD molded plastic body
Terminals:
Plated axial leads, solderable per MIL-STD-750,
Method 2026
Polarity:
Color band denotes cathode end
Mounting Position:
Any
Weight:
0.04 ounce, 1.12 grams
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
SYMBOLS
SB520
SB530
SB540
SB550
SB560
UNITS
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375" (9.5mm) lead length
(SEE FIG.1)
Peak forward surge current, 8.3ms single
half sine-wave superimposed on rated load
(JEDEC Method) at rated T
L
Maximum instantaneous forward voltage at 5.0A
(NOTE 1)
V
RRM
V
RMS
V
DC
I
(AV)
20
14
20
30
21
30
40
28
40
5.0
50
35
50
60
42
60
Volts
Volts
Volts
Amps
I
FSM
150.0
Amps
V
F
0.55
0.67
Volts
Maximum instantaneous reverse current at
rated DC blocking voltage
(NOTE 1)
T
A
=25°C
T
A
=100°C
Typical thermal resistance
(NOTE 2)
Operating junction temperature range
Storage temperature range
I
R
50.0
R
ΘJA
R
ΘJL
T
J
T
STG
-65 to +125
0.5
25.0
25.0
8.0
-65 to +150
-65 to +150
mA
°C/W
°C
°C
NOTES:
(1) Pulse test: 300µs pulse width, 1% duty cycle
(2) Thermal resistance junction to lead vertical P.C.B. mounted, 0.375" (9.5mm) lead length
4/98
RATINGS AND CHARACTERISTIC CURVES SB520 THRU SB560
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
FIG. 1 - FORWARD CURRENT DERATING CURVE
PEAK FORWARD SURGE CURRENT,
AMPERES
150
125
100
75
50
25
0
1
10
AVERAGE FORWARD CURRENT,
AMPERES
5.
0
4.
0
3.
0
2.
0
1.
0
0.375" (9.5mm) LEAD LENGTH
SB520 - SB540
SB550 & SB560
T
J
=T
J
max.
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
RESISTIVE OR
INDUCTIVE LOAD
0
0
20
40
60
80
100
120
150
LEAD TEMPERATURE, °C
100
NUMBER OF CYCLES AT 60 H
Z
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
FIG. 4 - TYPICAL REVERSE
CHARACTERISTICS
50
T
J
=125°C
PULSE WIDTH=300µs
1% DUTY CYCLE
20
10
T
J
=125°C
10
INSTANTANEOUS FORWARD CURRENT,
AMPERES
T
J
=150°C
INSTANTANEOUS REVERSE CURRENT,
MILLIAMPERES
1
T
J
=25°C
T
J
=75°C
1
0.
1
0.
1
0.
01
T
J
=25°C
SB520 - SB540
SB550 & SB560
SB520 - SB540
SB550 & SB560
0.
001
0
20
40
60
80
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
100
01
0.
0
2
0.
0.
4
0.
6
0.
8
1.
0
1.
2
1.
4
1.
6
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
FIG. 6 - TYPICAL TRANSIENT THERMAL IMPEDANCE
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
4,
000
JUNCTION CAPACITANCE, pF
000
1,
T
J
=25°C
f=1.0 MHz
Vsig=50mVp-p
TRANSIENT THERMAL IMPEDANCE,
°C/W
100
10.
0
1
SB520 - SB540
SB550 & SB560
100
0.
1
1.
0
10
100
REVERSE VOLTAGE, VOLTS
0.
1
0.
01
0.
1
1
10.
0
100
t
,
PULSE DURATION, sec.
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