DS30138 Rev. 2 - 2
1 of 2
B0540W
www.diodes.com
B0540W
0.5A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
Features
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Maximum Ratings
@ T
A
= 25
C unless otherwise specified
Characteristic
Symbol
B0540W
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 Rectified Output Current @ T
C
= 115
C
I
O
0.5
A
Non-Repetitive Peak Forward Surge Current
8.3ms single half sine-wave superimposed on rated load
(JEDEC Method)
I
FSM
5.5
A
Power Dissipation (Note 1)
P
d
410
mW
Typical Thermal Resistance Junction to Ambient (Note 1)
R
qJA
244
C/W
Operating and Storage Temperature Range
T
j,
T
STG
-65 to +150
C
Voltage Rate of Change (Note 3)
dv/dt
1000
V/
ms
Low Forward Voltage Drop
Guard Ring Construction for
Transient Protection
High Conductance
Case: SOD-123, Plastic
Case material - UL Flammability Rating
Classification 94V-0
Moisture sensitivity: Level 1 per J-STD-020A
Polarity: Cathode Band
Leads: Solderable per MIL-STD-202,
Method 208
Marking: Date Code & Type Code, See Page 2
Type Code: Marking: SF
Weight: 0.01 grams (approx.)
Ordering Information, See Page 2
Mechanical Data
Electrical Characteristics
@ T
A
= 25
C unless otherwise specified
Characteristic
Symbol
B0540W Unit
Test Conditions
Minimum Reverse Breakdown Voltage (Note 2)
V
(BR)R
40
V
I
R
= 20
mA
Maximum Forward Voltage Drop
(Note 2)
V
FM
0.510
0.620
0.460
0.610
V
I
F
= 0.5A, T
j
= 25
C
I
F
= 1.0A, T
j
= 25
C
I
F
= 0.5A, T
j
= 100
C
I
F
= 1.0A, T
j
= 100
C
Maximum Leakage Current
(Note 2)
I
RM
10
20
mA
V
R
= 20V, T
j
= 25
C
V
R
= 40V, T
j
= 25
C
5.0
13
mA
V
R
= 20V, T
j
= 100
C
V
R
= 40V, T
j
= 100
C
Total Capacitance
C
T
170
pF
f = 1MHz, V
R
= 0V DC
T
C
U
D
O
R
P
W
E
N
SOD-123
Dim
Min
Max
A
3.55
3.85
B
2.55
2.85
C
1.40
1.70
D
--
1.35
E
0.55 Typical
G
0.25
--
H
0.11 Typical
J
--
0.10
a
0
8
All Dimensions in mm
Notes:
1. Device mounted on FR-4 PC board, 2"x2", 2 oz. Copper, single sided, Cathode pad dimensions 0.75"x1.0",
Anode pad dimensions 0.25"x1.0".
2. Pulse Test: Pulse width = 300
ms, Duty Cycle 2%.
3. dv/dt measured at rated V
R
.
A
B
C
D
E
G
H
J
T
C
U
D
O
R
P
W
E
N
DS30138 Rev. 2 - 2
2 of 2
B0540W
www.diodes.com
0
200
300
500
0
25
50
75
100
125
150
P
,
POWER
D
ISSIP
A
T
ION
(mW)
d
T , AMBIENT TEMPERATURE (
C)
A
Fig. 1 Power Derating Curve
400
100
Notes:
4. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Device
Packaging
Shipping
B0540W-7
SOD-123
3000/Tape & Reel
Ordering Information
(Note 4)
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
Date Code Key
XX = Product Type Marking Code (See Sheet 1)
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
XX
YM
Marking Information
Year
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
Code
J
K
L
M
N
P
R
S
T
U
V
0
0.25
0.50
0
50
100
150
I,
A
V
E
R
A
G
ER
E
C
TIFIED
C
URRENT
(
A
)
O
T , LEAD TEMPERATURE (
C)
L
Fig. 2 Forward Current Derating Curve
0.75
1.0
25
75
125
0.01
0.1
1.0
10
0.2
0
0.4
0.6
0.8
1.0
I
,
INST
ANT
A
NEOUS
FWD
CURRENT
(A)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
F
Fig. 3 Typical Forward Characteristics
C
,
T
O
T
A
L
C
AP
ACIT
ANCE
(pF)
T
V , REVERSE VOLTAGE (V)
R
Fig. 4 Typ. Total Capacitance vs Reverse Voltage
1000
1.0
10
100
0
5
10
15
20
f = 1MHz
PDF 
ZIP