SB520 THRU SB560
SCHOTTKY BARRIER RECTIFIER
Reverse Voltage - 20 to 60 Volts Forward Current - 5.0 Amperes
FEATURES
MECHANICAL DATA
*Plastic package has Underwriters Laboratory
Flammability Classifications 94V-0
*Metal to silicon rectifier, majority carrier conduction
*Guardring for overvoltage protection
*Low power loss, high efficiency
*High current capability, low forward voltage drop
*High surge capability
*For use in low voltage, high frequency inverters,
free wheeling, and polarity protection applications
*High temperature soldering guaranteed :
260oC / 10 seconds, 0.375" (9.5mm) lead length,
5 lbs. (2.3kg) tension
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
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 oC ambient temperature
unless otherwise specified.
Maximum repetitive peak reverse voltage
Maximum RMS 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)
Maximum instantaneous forward voltage at 5.0 A (NOTE 1)
Maximum instantaneous reverse
current at rated DC blocking voltage TA=25oC
TA=100oC
Typical thermal resistance ( NOTE 2 )
Operating and Storage temperature range
SYMBOLS
VRRM
VRMS
VDC
I(AV)
IFSM
VF
IR
TJ,TSTG
SB520 SB540
20 40
14 28
5.0
150
0.55 0.70
2.0
50
25
-65 to +150
UNITS
Volts
Volts
Maximum DC blocking voltage 20 40
SB550
50
35
50
SB560
60
42
60 Volts
Volts
Amps
Amps
mA
oC / W
oC
Zowie Technology Corporation
REV. : 0
DO-201AD
*Dimensions in inches and (millimeters)
R JA
8R JL
NOTES :(1)Pulse test : 300 us pulse width, 1% duty cycle.
(2) Thermal resistance junction to lead vertical P.C.B. mounted 0.375" (9.5mm) lead length
1.0(25.4)
MIN.
1.0(25.4)
MIN.
0.210(5.3)
0.052(1.3)
0.048(1.2)
0.375(9.5)
0.285(7.2)
0.190(4.8)
DIA.
DIA.
RATINGS AND CHARACTERISTIC CURVES SB520 THRU SB560
REV. : 0
FIG.1 - FORWARD CURRENT DERATING CURVE
FIG.3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
AVERAGE FORWARD RECTIFIED
CURRENT, AMPERES
3.0
2.5
2.0
1.5
1.0
0.5
IINSTANTANEOUS FORWARD CURRENT,
AMPERES
00 20 40 60 80 100 120 150
Resistive or
inductive load
0.375" (9.5mm)
lead length
AMBIENT TEMPERATURE, oC
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
FIG.2 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT,
AMPERES
NUMBER OF CYCLES AT 60Hz
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
0
25
50
75
100
125
150
1 10 100
TRANSIENT THERMAL IMPEDANCE(oC/W)
0.1
1
10
100
FIG.5 - TYPICAL JUNCTION CAPACITANCE FIG.6 - TYPICAL TRANSIENT THERMAL IMPEDANCE
TJ = 25oC
REVERSE VOLTAGE, VOLTS
.1
0
JUNCTION CAPACITANCE, pF
4000
.2 .4 1.0 2 4 10 20 40 100
t , PULSE DURATION, sec
100101.00.100.01
1000
FIG.5 - TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE LEAKAGE
CURRENT, MICROAMPERES
PERCENT OF RATED PEAK REVERSE VOLTAGE,%
0.001
0.01
0.1
100
1
10
0 20 40 60 80 100
TJ = 25oC
TJ = 25oC
TJ = 75oC
TJ = 125oC
0.10
1.00
50.00
10.00
0.01
0.20 0.4 0.6 0.8 1.0 1.2 1.4 1.6
SB520~SB540
SB550&SB560
SB520~SB540
SB550&SB560 SB520~SB540
SB550&SB560
SB520~SB540
SB550&SB560
Pulse width=300us
1% Duty Cycle
Zowie Technology Corporation
