1
■ Features
■ Mechanical data
■ Maximum ratings and electrical characteristics
O
Rating at 25 C ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
• Tiny plastic SMD package.
Low power loss, high efficiency.•
High current capability, low forward voltage drop.•
High surge capability.•
Guardring for overvoltage protection.•
Ultra high-speed switching.•
Silicon epitaxial planar chip, metal silicon junction.•
Suffix "G" indicates Halogen-free part, ex.B140WSG.•
Lead-free parts meet environmental standards of •
MIL-STD-19500 /228
• Epoxy:UL94-V0 rated flame retardant
• Case : Molded plastic, SOD-323
• Terminals : Solder plated, solderable per
MIL-STD-750, Method 2026
• Polarity : Indicated by cathode band
• Weight : 0.0002 ounce, 0.005 gram
B140WS
1A Surface Mount Schottky Barrier Rectifiers
I
O
I
FS M
I
R
C
J
T
ST G
Forward rectified current
Forward surge current
Reverse current
Thermal resistance
Storage temperature
Parameter
See Fig.1
8.3ms single half sine-wave superimposed on
rate load (JEDEC method)
O
V = V T = 25 C
R RR M A
O
V = V T = 100 C
R RR M A
Conditions Symbol MIN. TYP. MAX. UNIT
-55 +150
120
20
0.1
1.0
3.0
A
A
mA
O
C/W
O
C
98
R
θJ A
Junction to ambient
Diode junction capacitance
pF
f=1MHz and applied 4V DC reverse voltage
Operating temperature
O
T ( C)
J
-55 ~ +150
Max. forward voltage
O
@1A, T = 25 C
A
V (V)
F
Max. DC
blocking voltage
V (V)
R
Max.
RMS voltage
V (V)
RM S
28
Max.
repetitive peak
reverse voltage
V (V)
RR M
40
Marking code
B140WS
Symbol
SL 40 0.60
Document ID : DS-12K0W
Revised Date : 2016/08
Revision : C1
Document ID : DS-12K0W
Revised Date : 2016/08
Revision : C1
Dimensions in inches and (millimeters)
■ Outline
SOD-323
Marking code
0.046 (1.17)Max.
0.017 (0.43)
0.010 (0.25)
0.071 (1.80)
0.059 (1.50)
0.107 (2.72)
0.097 (2.46)
0.006 (0.15)
0.003 (0.08)
0.055 (1.40)
0.046 (1.18)
2
■ Rating and characteristic curves
0.1
1.0
.01
10
50
FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT,(A)
FIG.3-TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE,(V)
JUNCTION CAPACITANCE,(pF)
INSTANTANEOUS FORWARD CURRENT,(A)
FORWARD VOLTAGE,(V)
Pulse Width 300us
1% Duty Cycle
0.2
0.4
0.6
0.8
1.0
1.2
350
300
250
200
150
100
50
0
.01 .05 .1 .5 1 5 10 50 100
.1 .3 .5 .7 .9 1.1 1.3 1.5
3.0
.1
1.0
10
100
FIG.4 - TYPICAL REVERSE
CHARACTERISTICS
REVERSE LEAKAGE CURRENT, (mA)
0 20 40 60 80 100 120 140
.01
O
T =75 C
J
O
T =25 C
J
O
T =25 C
J
AMBIENT TEMPERATURE,( C)
0
0 20 40 60 80 100 120 140 160 180 200
FIG.2-TYPICAL FORWARD
CHARACTERISTICS
PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)
B140WS
1A Surface Mount Schottky Barrier Rectifiers
Document ID : DS-12K0W
Revised Date : 2016/08
Revision : C1