LITE-ON
SEMICONDUCTOR
B520C thru B560C
SURFACE MOUNT
SCHOTTKY BARRIER RECTIFIERS
FEATURES
For surface mounted applications
Metal-Semiconductor junction with guardring
Epitaxial construction
Very Low forward voltage drop
High current capability
Plastic material has UL flammability classification
94V-0
For use in low voltage, high frequency inverters,
free wheeling, and polarity protection applications
MECHANI CAL DA T A
Case : Molded plastic
Polarity : Color band denotes cathode
Weight : 0.007 ounces, 0.21 grams
REVERSE VOLTAGE FORWARD CURRENT -
SMC
A
B
G
H
F
E
DIM. MIN. MAX.
A
B
C
C
D
E
F
G
D
H
All Dimensions in millimeter
20 to 60
5.0
Amperes
SMC
6.60 7.11
2.92
7.75 8.13
0.05 0.20
2.01 2.62
0.76 1.52
Volts
6.22 5.59
3.18
0.31 0.15
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25℃ ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load , derate cu rr e n t b y 20%
B520C B560C B550C B540C B530C
20
RRM
14
RMS
20
DC
(AV)
FSM
F
V
R
I
J
C
0JL
0JA
J
T
STG
30
21
30
0.55
=90 C
=25 C
SYMBOL
V
V
V
I
I
R
R
T
CHARACTERISTICS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Vol tage
Maximum DC Blocking Voltage
Maximum Average Forward
Rectified Current
Peak Forward Surge Current
8.3ms single half sine-wave
super imposed on rated load (JEDEC METHOD)
Maximum forwar d Voltage at 5.0A D C
Maximum DC Reverse Current
at Rated DC Blocking Voltage
Typical Junction
Capacitance (Note 1)
Typical Thermal Resistance (Note 2)
Typical Thermal Resistance (Note 2)
Operating Temperature Range
Storage Temperature Range
NOTES : 1.Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
2.Thermal Resistance Junction to Lead.
@T
@T
@T
L
J
J
=100 C
UNIT
40
28
40
5.0
175
0.5
20
300
10
10
50
-55 to +125
-55 to +150 C
50
35
50
REV. 2, 01-Dec-2000, KSHC03
0.70
60
42
60
mA
pF
C/W
C/W
V
V
V
A
A
V
C
RATING AND CHARACTERISTIC CURVES
B520C thru B560C
FIG.1 - FORWARD CURRENT DERATING CURVE
5.0
4.0
3.0
2.0
1.0
AVERAGE FORWARD CURRENT
AMPERES
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
0
20 60 80 100 120
40 140
LEAD TEMPER ATURE , C
FIG.3 - TYPICAL FORWARD CHARACTERISTICS
100
B520C to B54C
10
B550C to B560C
FIG.2 - MAXIMUM NON-REPETITIVE SURGE CURRENT
300
250
200
150
100
Pulse Width 8.3ms
50
Single Half-Sine-W av e
(JEDEC METH OD)
0
PEAK FORWARD SURGE CURRENT ,
AMPERES
1 5 10 50 1002
20
NUMBER OF CYCLES AT 60Hz
FIG.4 - TYPICAL JUNCTION CAPACITANCE
1000
100
1.0
TJ= 25 C
INSTANTA NE OUS FORWARD CURRENT, (A)
PULSEWIDTH:300us
2% Duty Cycle
0.1
0
0.2 0.4
0.6 0.8 1.0
INSTANTANEOUS FORWARD VOLTAGE, (VOLTS)
CAPACITANCE, (pF)
TJ= 25 C F= 1MHz
10
0.1
1.0 4.0
10.0
100
REVERS E VOLTAGE, (VOLTS)
FIG.5 - TYPICAL REVERSE CHARACTERISTICS
100
TJ= 125 C
10
TJ= 100 C
1.0
REVERSE CURRENT ,(mA)
0.1
0.01
TJ= 25 C
INSTANTANEOUS
0.001
60 80 100
40
20
0
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
120
140
REV. 2, 01-Dec-2000, KSHC03
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