DS30670 Rev. 5 - 2
1 of 3
B140HW
www.diodes.com
Diodes Incorporated
B140HW
1.0A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
Maximum Ratings
@ T
A
= 25
C unless otherwise specified
Guard Ring Die Construction for
Transient Protection
Very Low Leakage Current
Low Forward Voltage Drop
Lead Free By Design/RoHS Compliant
(Note
3)
"Green Device" (Note 4)
Mechanical Data
Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%.
Characteristic
Symbol
Value
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
40
V
RMS Reverse Voltage
V
R(RMS)
28
V
Average Forward Current (See Figure 1)
I
F(AV)
1.0
A
Non-Repetitive Peak Forward Surge Current 8.3ms
single half sine-wave superimposed on rated load
I
FSM
6.6
A
Repetitive Peak Reverse Current
t
p
= 2
s square wave, f = 1KHz
I
RRM
0.5
A
Non-Repetitive Peak Reverse Current
t
p
= 100
s square wave
I
RSM
1.0
A
Power Dissipation (Note 2)
(Note 5)
P
d
350
410
mW
Typical Thermal Resistance Junction to Ambient (Note 2)
(Note 5)
R
JA
360
305
C/W
Operating Temperature Range
T
j
-65 to +125
C
Storage Temperature Range
T
STG
-65 to +125
C
Notes: 1. Short duration pulse test used to minimize self-heating effect.
2. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
3. No purposefully added lead.
4. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
5. Part mounted on polymide board with pad sizes 0.24" x 0.16".
6. Part mounting such that R
JA
= 175C/W.
Case: SOD-123
Case Material: Molded Plastic, "Green" Molding
Compound. UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020C
Terminals: Finish
Matte Tin Finish annealed over Alloy 42
leadframe. Solderable per MIL-STD-202, Method 208
Polarity: Cathode Band
Marking: Date Code & Type Code, See Page 3
Type Code: LO
Ordering Information: See Page 3
Weight: 0.01 grams (approximate)
Electrical Characteristics
@ T
A
= 25
C unless otherwise specified
Characteristic
Symbol
Min
Typ
Max
Unit
Test Condition
Reverse Breakdown Voltage (Note 1)
V
(BR)R
40
V
I
R
= 40
A
Forward Voltage
V
F
0.48
0.55
0.51
V
I
F
= 1A, T
J
= 25
C
I
F
= 1A, T
J
= 100
C
Leakage Current (Note 1)
I
R
0.2
10
40
5
A
A
mA
V
R
= 5V, T
J
= 25
C
V
R
= 40V, T
J
= 25
C
V
R
= 40V, T
A
= 100
C
SOD-123
Dim
Min
Max
A
3.55
3.85
B
2.55
2.85
C
1.40
1.70
D
--
1.35
E
0.45
0.65
0.55 Typical
G
0.25
--
H
0.11 Typical
J
--
0.10
0
8
All Dimensions in mm
T
C
U
D
O
R
P
W
E
N
Lead-free Green
Features
A
B
C
D
E
G
H
J
SPICE MODEL: B140HW
DS30670 Rev. 5 - 2
2 of 3
B140HW
www.diodes.com
0
T , AMBIENT TEMPERATURE (C)
A
Fig. 1 Forward Current Derating
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0
25
50
75
100
125
150
I
,
A
V
E
R
A
G
E
F
O
R
W
A
R
D
C
U
R
R
E
N
T
(
A
)
F
(
A
V
E
)
Note 2
Note 6
Note 5
0.01
10
1
0.1
0.2
0
0.4
0.6
0.8
1.2
1.0
I
,
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
)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
F
Fig. 2 Typical Forward Characteristics
T = 150C
j
T = 25C
j
T = 100C
j
100
10
1
0.1
1,000
10,000
0
50
100
150
T , JUNCTION TEMPERATURE (C)
J
Fig. 4 Typical Reverse Current
vs. Junction Temperature
25
75
125
V = 40V
R
0
10
20
30
40
V , INSTANTANEOUS REVERSE VOLTAGE (V)
R
Fig. 3 Typical Reverse Current
vs. Reverse Voltage
T = 150C
j
T = 100C
j
T = 70C
j
T = 25C
j
100n
1m
10m
I
,
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
(
A
)
R
T
C
U
D
O
R
P
W
E
N
10
100
1000
0.1
1.0
10
100
C
,
T
O
T
A
L
C
A
P
A
C
I
T
A
N
C
E
(
p
F
)
T
V , REVERSE VOLTAGE (V)
R
Fig. 5 Typical Total Capacitance vs. Reverse Voltage
T = 25C
j
f = 1MHz
0
0.1
0.2
0
0.2
0.4
0.6
0.8
1.0
1.2
P
,
A
V
E
R
A
G
E
F
O
R
W
A
R
D
P
O
W
E
R
D
I
S
S
I
P
A
T
I
O
N
(
W
)
F
(
A
V
)
I
, AVERAGE FORWARD CURRENT (A)
F(AVE)
Fig. 6 Forward Power Derating
0.3
0.4
0.5
I
PK
I
AV
= 1 (DC)
Ordering Information
Device
Packaging
Shipping
B140HW-7
SOD-123
3000/Tape & Reel
Notes: 7. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
DS30670 Rev. 5 - 2
3 of 3
B140HW
www.diodes.com
T
C
U
D
O
R
P
W
E
N
(Note 7)
Marking Information
LO
Y
M
LO = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: S = 2005)
M = Month (ex: 9 = September)
Date Code Key
Year
2005
2006
2007
2008
2009
Code
S
T
U
V
W
Month
Jan
Feb
March
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Code
1
2
3
4
5
6
7
8
9
O
N
D
IMPORTANT NOTICE
Diodes, Inc. and its subsidiaries reserve the right to make changes without further notice to any product herein to make corrections, modifications, enhance-
ments, improvements, or other changes. Diodes, Inc. does not assume any liability arising out of the application or use of any product described herein;
neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall assume all risks of such
use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages.
LIFE SUPPORT
The products located on our website at
www.diodes.com are not recommended for use in life support systems where a failure or malfunction of the
component may directly threaten life or cause injury without the expressed written approval of Diodes Incorporated.
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