LITE-ON
SEMICONDUCTOR
B520C thru B560C
REVERSE VOLTAGE -
20
to
60
Volts
FORWARD CURRENT -
5.0
Amperes
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
SMC
SMC
A
DIM.
A
B
C
B
C
D
E
F
G
H
F
E
D
G
H
MIN.
6.60
5.59
2.92
0.15
7.75
0.05
2.01
0.76
MAX.
7.11
6.22
3.18
0.31
8.13
0.20
2.62
1.52
MECHANICAL DATA
Case : Molded plastic
Polarity : Color band denotes cathode
Weight : 0.007 ounces, 0.21 grams
All Dimensions in millimeter
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 current by 20%
B520C
20
14
20
B530C
30
21
30
B540C
40
28
40
5.0
175
0.55
0.5
20
300
10
50
-55 to +125
-55 to +150
0.70
B550C
50
35
50
B560C
60
42
60
CHARACTERISTICS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward
Rectified Current
SYMBOL
UNIT
V
V
V
A
V
RRM
V
RMS
V
DC
I
(AV)
@T
L
=90 C
Peak Forward Surge Current
8.3ms single half sine-wave
super imposed on rated load (JEDEC METHOD)
Maximum forward Voltage at 5.0A DC
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
I
FSM
V
F
I
R
C
J
R
0JL
R
0JA
A
V
mA
pF
C/W
C/W
@T
J
=25 C
@T
J
=100 C
T
J
T
STG
C
C
REV. 2, 01-Dec-2000, KSHC03
NOTES : 1.Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
2.Thermal Resistance Junction to Lead.
RATING AND CHARACTERISTIC CURVES
B520C thru B560C
AVERAGE FORWARD CURRENT
AMPERES
5.0
PEAK FORWARD SURGE CURRENT,
AMPERES
FIG.1 - FORWARD CURRENT DERATING CURVE
FIG.2 - MAXIMUM NON-REPETITIVE SURGE CURRENT
300
250
200
150
100
50
0
1
2
5
10
20
50
100
Pulse Width 8.3ms
Single Half-Sine-Wave
(JEDEC METHOD)
4.0
3.0
2.0
1.0
0
20
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
40
60
80
100
120
140
LEAD TEMPERATURE , C
NUMBER OF CYCLES AT 60Hz
FIG.3 - TYPICAL FORWARD CHARACTERISTICS
100
INSTANTANEOUS FORWARD CURRENT, (A)
1000
FIG.4 - TYPICAL JUNCTION CAPACITANCE
B520C to B54C
10
CAPACITANCE, (pF)
100
B550C to B560C
1.0
T
J
= 25 C
PULSEWIDTH:300us
2% Duty Cycle
T
J
= 25 C F= 1MHz
0.1
0
0.2
0.4
0.6
0.8
1.0
INSTANTANEOUS FORWARD VOLTAGE, (VOLTS)
10
0.1
1.0
4.0
10.0
100
REVERSE VOLTAGE, (VOLTS)
FIG.5 - TYPICAL REVERSE CHARACTERISTICS
100
INSTANTANEOUS
REVERSE CURRENT ,(mA)
T
J
= 125 C
10
T
J
= 100 C
1.0
0.1
0.01
T
J
= 25 C
0.001
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
REV. 2, 01-Dec-2000, KSHC03
嵌入式系统
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