LITE-ON
SEMICONDUCTOR
B140HB
REVERSE VOLTAGE -
40
Volts
FORWARD CURRENT-
1.0
Ampere
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
SMB
SMB
A
DIM.
A
B
B
C
C
D
E
G
H
F
E
D
F
G
H
MIN.
4.06
3.30
1.96
0.15
5.21
0.05
2.01
0.76
MAX.
4.57
3.94
2.21
0.31
5.59
0.20
2.62
1.52
MECHANICAL DATA
Case : Molded plastic
Polarity : Color band denotes cathode
Weight : 0.003 ounces, 0.093 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%
B140HB
40
28
40
1.0
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
=115 C
Peak Forward Surge Current
8.3ms single half sine-wave
super imposed on rated load (JEDEC METHOD)
Maximum Instantaneous
Forward Voltage at
I
F
=1.0A
Maximum DC Reverse Current
at Rated DC Blocking Voltage
Typical Junction
Capacitance (Note 1)
Typical Thermal Resistance (Note 2)
Operating Temperature Range
Storage Temperature Range
I
FSM
45
0.53
0.49
A
V
@T
J
=25 C
@T
J
=125 C
@T
J
=25 C
@T
J
=125 C
V
F
I
R
0.1
4.0
65
36
-55 to +125
-55 to +150
mA
pF
C/W
C
J
R
0JL
T
J
T
STG
C
C
REV. 0, 14-Feb-2001, KSHB06
NOTES : 1.Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
2.Thermal Resistance Junction to Lead.
RATING AND CHARACTERISTIC CURVES
B140HB
AVERAGE FORWARD CURRENT
AMPERES
1.25
PEAK FORWARD SURGE CURRENT,
AMPERES
FIG.1 - FORWARD CURRENT DERATING CURVE
FIG.2 - MAXIMUM NON-REPETITIVE SURGE CURRENT
60
50
40
30
20
10
0
1
2
5
10
20
50
100
Pulse Width 8.3ms
Single Half-Sine-Wave
(JEDEC METHOD)
1.00
0.75
0.50
0.25
0
20
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
40
60
80
100
120
125
LEAD TEMPERATURE , C
NUMBER OF CYCLES AT 60Hz
FIG.3 - TYPICAL FORWARD CHARACTERISTICS
10
FIG.4 - TYPICAL JUNCTION CAPACITANCE
1000
INSTANTANEOUS FORWARD CURRENT, (A)
T
J
= 25 C
CAPACITANCE, (pF)
100
1.0
PULSEWIDTH:300us
0.1
0
0.2
0.4
0.6
0.8
1.0
T
J
= 25 C F= 1MHz
10
0.1
1.0
4.0
10.0
100
INSTANTANEOUS FORWARD VOLTAGE, (VOLTS)
REVERSE VOLTAGE, (VOLTS)
FIG.5 - TYPICAL REVERSE CHARACTERISTICS
100
INSTANTANEOUS
REVERSE CURRENT ,(mA)
10
T
J
= 125 C
1.0
T
J
= 100 C
0.1
0.01
T
J
= 25 C
0.001
0
20
40
60
80
90
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
REV. 0, 14-Feb-2001, KSHB06
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