VISHAY SB550

SB520 THRU SB560
SCHOTTKY BARRIER RECTIFIER
Reverse Voltage - 20 to 60 Volts
Forward Current - 5.0 Amperes
FEATURES
♦ 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
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.
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
VRRM
20
30
40
50
60
Volts
Maximum RMS voltage
VRMS
14
21
28
35
42
Volts
Maximum DC blocking voltage
VDC
20
30
40
50
60
Volts
Maximum average forward rectified current
0.375" (9.5mm) lead length (SEE FIG.1)
I(AV)
5.0
Amps
Peak forward surge current, 8.3ms single
half sine-wave superimposed on rated load
(JEDEC Method) at rated TL
IFSM
150.0
Amps
Maximum instantaneous forward voltage at 5.0A
(NOTE 1)
Maximum instantaneous reverse current at
rated DC blocking voltage (NOTE 1)
TA=25°C
VF
Operating junction temperature range
Storage temperature range
50.0
RΘJA
RΘJL
TJ
TSTG
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
0.67
0.5
IR
TA=100°C
Typical thermal resistance (NOTE 2)
0.55
Volts
mA
25.0
25.0
8.0
-65 to +125
°C/W
-65 to +150
-65 to +150
°C
°C
RATINGS AND CHARACTERISTIC CURVES SB520 THRU SB560
PEAK FORWARD SURGE CURRENT,
AMPERES
AVERAGE FORWARD CURRENT,
AMPERES
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
FIG. 1 - FORWARD CURRENT DERATING CURVE
5.0
RESISTIVE OR
INDUCTIVE LOAD
SB520 - SB540
SB550 & SB560
4.0
3.0
2.0
1.0
0.375" (9.5mm) LEAD LENGTH
0
0
20
40
60
80
100
120
150
150
TJ=TJ max.
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
125
100
75
50
25
0
LEAD TEMPERATURE, °C
1
10
100
NUMBER OF CYCLES AT 60 HZ
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
FIG. 4 - TYPICAL REVERSE
CHARACTERISTICS
20
50
10
PULSE WIDTH=300µs
1% DUTY CYCLE
TJ=125°C
TJ=125°C
INSTANTANEOUS REVERSE CURRENT,
MILLIAMPERES
INSTANTANEOUS FORWARD CURRENT,
AMPERES
10
TJ=150°C
TJ=25°C
1
0.1
1
TJ=75°C
0.1
0.01
TJ=25°C
SB520 - SB540
SB550 & SB560
SB520 - SB540
SB550 & SB560
0.01
0
0.001
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
20
40
60
80
100
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
FIG. 6 - TYPICAL TRANSIENT THERMAL IMPEDANCE
JUNCTION CAPACITANCE, pF
4,000
TJ=25°C
f=1.0 MHz
Vsig=50mVp-p
1,000
SB520 - SB540
SB550 & SB560
100
0.1
1.0
10
REVERSE VOLTAGE, VOLTS
100
TRANSIENT THERMAL IMPEDANCE, °C/W
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
100
10.0
1
0.1
0.01
0.1
1
10.0
t, PULSE DURATION, sec.
100