Low VF Surface Mount
Schottky Barrier Rectifiers
*Low 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
*Case : Molded Plastic
*Polarity :Indicated By Cathode Band
*Weight : 0.002 ounces, 0.064 grams
Features:
B240LA
Mechanical Data
REVERSE VOLTAGE
40VOLTS
FORWARD CURRENT
2.0 AMPERE
SMA Outline Dimension
unit:mm
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SMA(DO-214AC)
SMA
Din
Max
Min
A
B
C
D
E
G
H
J
2.20
4.00
1.27
0.15
4.48
0.10
0.76
1.70
2.92
4.60
1.63
0.31
5.59
0.20
1.52
2.62
A
B
C
D
E
G
H
J
B240LA
WE IT R ON
Maximum Ratings and Electrical Characteristics
Characteristics
B240LA
Symbol
Unit
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward
Rectified Current @T
C
=100 C
Peak Forward Surge Current,
8.3 ms Single Half Sine-Wave
Superimposed on Rated Load (JEDEC Method)
Maximum Instantaneous
Maximum DC Reverse Current @Tj=25 C
At Rated DC Blocking Voltage @Tj=100 C
Typical Junction Capacitance (Note 1)
Typical Thermal Resistance (Note 2)
Operating Temperature Range
Storage Temperature Range
V
V
V
A
A
V
mA
C
C
Rating 25 C Ambient Temperature Unless Otherwise Specified.
Single Phase Half Wave, 60Hz , Resistive or Inductive Load.
For Capacitive Load, Derate Current by 20%.
V
RRM
V
RMS
V
DC
IF
(AV)
I
FSM
V
F
I
R
C
J
R
JC
T
J
T
STG
40
28
40
2.0
50
0.40
1.0
50
200
15
-55 to+125
-55 to+150
F
C/W
NOTES:1.Measured at 1.0MHz applied reverse voltage of 4.0V DC.
2.Thermal Resistance Junction to case.
q
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P
At 2.0A DC
B240LA
WE IT R ON
FIG.1- FORWARD CURRENT DERATING CURVE
LEAD TEMPERATURE C
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
25
50
75
100
125
150
175
2.5
2.0
1.5
1.0
0.5
0
A
V
E
R
A
G
E
F
O
R
W
A
R
D
C
U
R
R
E
N
T
A
M
P
E
R
E
S
FIG.2-MAXIMUM NON-REPETITIVE SURGE CURRENT
NUMBER OF CYCLES AT 60Hz
P
E
A
K
F
O
R
W
A
R
D
S
U
R
G
E
C
U
R
R
E
N
T
,
A
M
P
E
R
E
S
60
50
40
30
20
10
0
1
2
5
10
20
50
100
Pulse width 8.3ms
Single Half-Sine-Wave
(JEDEC METHOD)
FIG.3-TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD VOLTAGE ,(VOLTS)
I
N
S
T
A
N
T
A
N
E
O
U
S
F
O
R
W
A
R
D
C
U
R
R
E
N
T
,
(
A
)
0
0.2
0.4
0.6
0.8
1.0
10
1.0
0.1
0.01
T
J
=25 C
PULSEWIDTH:300us
FIG.4-TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE, VOLTS
C
A
P
A
C
I
T
A
N
C
E
,
(
p
F
)
0.1
1.0
4.0
10.0
100
T
J
=
25 C F=1MHz
1000
100
10
FIG.5-TYPICAL REVERSE CHARACTERISTICS
T
J
=125 C
T
J
=100 C
T
J
=25 C
PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)
I
N
S
T
A
N
T
A
N
E
O
U
S
R
E
V
E
R
S
E
C
U
R
R
E
N
T
,
(
m
A
)
0
20
40
60
80
100
120
140
100
10
1.0
0.1
0.01
0.001
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