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Small Signal Product
B0520LW,B0530W,B0540W
Taiwan Semiconductor
Low VF SMD Schottky Barrier Diode
FEATURES
- Low power loss, high current capability, low VF
- Surface mount device type
- Moisture sensitivity level 1
- Matte Tin (Sn) lead finish with Nickel (Ni) under plate
- Compliant to RoHS Directive 2011/65/EU and
in accordance to WEEE 2002/96/EC
- Halogen-free according to IEC 61249-2-21
MECHANICAL DATA
- Case: Bend lead SOD-123 small outline plastic package
- Terminal: Matte tin plated, lead free,
solderable per MIL-STD-202, Method 208 guaranteed
- High temperature soldering guaranteed : 260°C/10s
- Polarity: Indicated by cathode band
- Weight: 0.01 g (approximately)
SOD-123
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (TA=25°C unless otherwise noted)
PARAMETER
SYMBOL B0520LW B0530W
Power Dissipation
Repetitive Peak Reverse Voltage
PD
VRRM
20
410
30
Reverse Voltage
Mean Forward Current @ TL=100°C (Lead Temperature)
Non-Repetitive Peak Forward Surge Current (Note 1)
VR 14 21
IO 500
IFSM
5.5
Thermal Resistance (Junction to Ambient) (Note 2) RθJA 244
Junction and Storage Temperature Range
TJ , TSTG
-55 to +125
Notes: 1. Test Condition: 8.3ms single half sine-wave superimposed on rated load
Notes: 2. Valid provided that electrodes are kept at ambient temperature
B0540W
40
28
UNIT
mW
V
V
mA
A
°C/W
°C
PARAMETER
Reverse Breakdown Voltage
(Minimum Value)
IR=250μA
IR=130μA
IR=20μA
Forward Voltage
(Maximum Value)
IF=100mA
IF=500mA
IF=1000mA
VR = 10V
Reverse Leakage Current
(Maximum Value)
VR = 15V
VR = 20V
VR = 30V
VR = 40V
Junction Capacitance
VR = 0 V
TJ = 25°C
TJ = 25°C
f=1.0MHz
SYMBOL
V(BR)
VF
IR
CJ
B0520LW
20
-
-
0.300
0.385
-
75
-
250
-
-
B0530W
-
30
-
0.375
0.430
-
-
20
-
130
-
170
B0540W
-
-
40
-
0.510
0.620
-
-
10
-
20
UNIT
V
V
μA
pF
Version: I1601

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Small Signal Product
RATINGS AND CHARACTERISTICS CURVES
(TA=25°C unless otherwise noted)
Fig.1 Typical Forward Characteristics
10
B0540W
1 B0530W
B0520LW
0.1
B0520LW,B0530W,B0540W
Taiwan Semiconductor
Fig. 2 Forward Current Derating Curve
0.75
0.5
0.25
0.01
0.0
0.2 0.4 0.6 0.8
VF Forward Voltage (V)
1.0
450
400
350
300
250
200
150
100
50
0
0
Fig. 3 AdmissiFbilge. P3ower Dissipation Curve
0
20 40 60 80 100 120 140
Ambient Temperature (°C)
0 Fig. 4
0 25 50 75 100 125 150
TL , Lead Temperature (°C)
1000
Fig. 4 Typical Junction Capacitance
100
10
1
0 5 10 15 20 25
Reverse Voltage (V)
Version: I1601

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Small Signal Product
B0520LW,B0530W,B0540W
Taiwan Semiconductor
ORDERING INFORMATION
PART NO.
PACKING CODE
PACKING CODE
SUFFIX
B05xxx
(Note 1, 2)
RH
G
Note 1: "xxx" defines voltage from 20V (B0520LW) to 40V (B0540W)
Note 2: Whole series with green compound
PACKAGE
SOD-123
EXAMPLE
EXAMPLE
PART NO.
B0540W RH
PART NO. PACKING CODE
B0540W
RH
PACKING CODE
SUFFIX
G
PACKING
3K / 7" Reel
DESCRIPTION
Green compound
Version: I1601

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Small Signal Product
PACKAGE OUTLINE DIMENSIONS
SOD-123
SUGGEST PAD LAYOUT
MARKING
Part No.
B0520LW
B0530W
B0540W
Marking
SD
SE
SF
B0520LW,B0530W,B0540W
Taiwan Semiconductor
DIM.
A
B
C
D
E
F
G
H
Unit (mm)
Min Max
1.40 1.80
3.55 3.85
0.45 0.70
2.55 2.85
0.95 1.35
0.05 0.15
0.50 REF
- 0.10
Unit (inch)
Min Max
0.055
0.071
0.140
0.152
0.018
0.028
0.100
0.112
0.037
0.053
0.002
0.006
0.02 REF
- 0.004
DIM.
G
X
X1
Y
Unit (mm)
Min
2.25
0.90
4.05
0.95
Unit (inch)
Min
0.089
0.035
0.159
0.037
Version: I1601

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Small Signal Product
B0520LW,B0530W,B0540W
Taiwan Semiconductor
Notice
Specifications of the products displayed herein are subject to change without notice. TSC or anyone on its behalf,
assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, to
any intellectual property rights is granted by this document. Except as provided in TSC's terms and conditions of
sale for such products, TSC assumes no liability whatsoever, and disclaims any express or implied warranty,
relating to sale and/or use of TSC products including liability or warranties relating to fitness for a particular purpose,
merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify TSC for any damages resulting from such improper use or sale.
Version: I1601