LITE-ON
SEMICONDUCTOR
B340LA
REVERSE VOLTAGE
-
40
Volts
FORWARD CURRENT-
3.0
Ampere
LOW VF 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
G
H
E
F
D
SMA
SMA
A
B
C
DIM.
A
B
C
D
E
F
G
H
MIN.
4.06
2.29
1.27
0.15
4.83
0.05
2.01
0.76
MAX.
4.57
2.92
1.63
0.31
5.59
0.20
2.62
1.52
MECHANICAL DATA
Case : Molded plastic
Polarity : Indicated by cathode band
Weight : 0.002 ounces, 0.064 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%
CHARACTERISTICS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward
Rectified Current
@
L
=90 C
T
Peak Forward Surge Current
8.3ms single half sine-wave
super imposed on rated load (JEDEC METHOD)
Maximum Instantaneous
Forward Voltage
Maximum DC Reverse
Current at Rated DC
Blocking Voltage
SYMBOL
B340LA
40
28
40
UNIT
V
V
V
A
A
V
RRM
V
RMS
V
DC
I
(AV)
I
FSM
V
F
3.0
70
0.35
0.45
0.15
1
15
300
20
-55 to +125
-55 to +150
@IF= 1A; T
J
=25
℃
@IF= 3A; T
J
=25
℃
@ VR= 15V; T
J
=25
℃
@ VR= 40V; T
J
=25
℃
@ VR= 20V; T
J
=125
℃
V
mA
I
R
C
J
R
0JL
Typical Junction Capacitance (Note 1)
Typical Thermal Resistance (Note 2)
Operating Temperature Range
Storage Temperature Range
pF
C/W
T
J
T
STG
C
C
NOTES : 1.Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
2.Thermal Resistance Junction to lead.
REV. 0, 31-Aug-2001, KSHA13
RATING AND CHARACTERISTIC CURVES
B340LA
FIG.1 - FORWARD CURRENT DERATING CURVE
4.0
FIG.2 - MAXIMUM NON-REPETITIVE SURGE CURRENT
PEAK FORWARD SURGE CURRENT,
AMPERES
80
70
60
50
40
30
20
10
0
1
Pulse Width 8.3ms
Single Half -Sine-Wave
(JEDEC METHOD)
AVERAGE FORWARD CURRENT
AMPERES
3.0
2.0
1.0
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
0
20
40
60
80
100
120
140
2
5
10
20
50
100
LEAD TEMPERATURE, C
NUMBER OF CYCLES AT 60Hz
FIG.3 - TYPICAL FORWARD CHARACTERISTICS
10
FIG.4 - TYPICAL JUNCTION CAPACITANCE
1000
INSTANTANEOUS FORWARD CURRENT, (A)
CAPACITANCE , (pF)
T
J
= 125 C
T
J
= 25 C
T
J
=100 C
PULSEWIDTH:300us
100
1.0
T
J
= 25 C F= 1MHz
0.1
0
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
0.55
10
0.1
1.0
4.0
10.0
100
INSTANTANEOUS FORWARD VOLTAGE , (VOLTS)
REVERSE VOLTAGE , (VOLTS)
FIG.5 - TYPICAL REVERSE CHARACTERISTICS
1000
INSTANTANEOUS
REVERSE CURRENT, (mA)
100
T
J
= 125 C
10
T
J
= 100 C
1
0.1
T
J
= 25 C
0.01
0
5
10
15
20
25
30
35
40
45
RATED PEAK REVERSE VOLTAGE, (V)
REV. 0, 31-Aug-2001, KSHA13
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