1
Dimensions in inches and (millimeters)
■ 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%.
■ Outline
Low profile surface mounted application in order to•
optimize board space.
Low power loss, high efficiency.•
High current capability, low forward voltage drop.•
Ultra high-speed switching.•
Silicon epitaxial planar chip, metal silicon junction.•
Suffix "G" indicates Halogen-free part, ex.B120LWG.•
Lead-free parts meet environmental standards of •
MIL-STD-19500 /228
SOD-123
• Epoxy:UL94-V0 rated flame retardant
• Case : Molded plastic, SOD-123
• Terminals : Solder plated, solderable per
MIL-STD-750, Method 2026
• Polarity : Indicated by cathode band
• Weight : 0.0004 ounce, 0.010 gram
B120LW THRU B140LW
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
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
130
20
1.0
1.0
5.5
A
A
mA
O
C/W
O
C
42
R
θ J A
Junction to ambient
Diode junction capacitance
pF
f=1MHz and applied 4V DC reverse voltage
Marking code
0.049 (1.25)
0.041 (1.05)
0.026 (0.65)
0.018 (0.45)
0.110 (2.80)
0.102 (2.60)
0.152 (3.85)
0.140 (3.55)
0.006 (0.15)
0.003 (0.08)
0.067 (1.70)
0.059 (1.50)
Operating Junction
temperature
O
T ( C)
J
-55 ~ +100
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
14
Max.
repetitive peak
reverse voltage
V (V)
RR M
40
20
Marking code
B140LW
B120LW
Symbol
B4
B2
40
20 0.43
0.45
Document ID : DS-12K44
Revised Date : 2017/03/15
Revision : C1
2
■ Rating and characteristic curves
1A Surface Mount Schottky Barrier Rectifiers
B120LW THRU B140LW
0.1
1.0
.01
10
50
FIG.1-TYPICAL FORWARD
CHARACTERISTICS
FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT,(A)
FIG.4-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
Single Phase
Half Wave 60Hz
Resistive Or Inductive Load
O
AMBIENT TEMPERATURE ( C)
.1
1.0
10
100
FIG.3 - TYPICAL REVERSE
CHARACTERISTICS
REVERSE LEAKAGE CURRENT, (mA)
PERCENTAGE RATED PEAK REVERSE VOLTAGE
0 20 40 60 80 100 120 140
.01
O
T =100 C
J
O
T =25 C
J
O
T =25 C
J
0
0 20 40 60 80 100 120 140 160 180 200
Document ID : DS-12K44
Revised Date : 2017/03/15
Revision : C1