B0540WQ
0.5A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
Product Summary (@TA = +25°C)
Features and Benefits
Low Forward Voltage Drop
VRRM (V)
IO (A)
VF Max
IR Max
Guard Ring Construction for Transient Protection
High Conductance
40
0.5
0.51V
10µA
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Qualified to AEC-Q101 Standards for High Reliability
PPAP Capable (Note 4)
Applications
Mechanical Data
DC-DC Converters
Case: SOD123
Mobile Telecommunications
Blocking Diodes
Case Material: Molded Plastic, “Green” Molding Compound.
UL Flammability Classification Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Matte Tin Finish Annealed over Alloy 42 Leadframe.
(Lead-Free Plating). Solderable per MIL-STD-202, Method 208
Polarity: Cathode Band
Reverse Polarity Protection
Weight: 0.01 grams (Approximate)
SOD123
Top View
Ordering Information (Note 5)
Part Number
Case
Packaging
B0540WQ-7-F
SOD123
3,000/Tape & Reel
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
4. Automotive products are AEC-Q101 qualified and are PPAP capable. Refer to https://www.diodes.com/quality/product-compliance-definitions/.
5. For packaging details, go to our website at https://www.diodes.com/design/support/packaging/diodes-packaging/.
Marking Information
SF = Product Type Marking Code
YM = Date Code Marking
Y = Year (ex: E = 2017)
SF
M = Month (ex: 9 = September)
Date Code Key
Year
2016
2017
2018
2019
2020
2021
2022
Code
D
E
F
G
H
I
J
Month
Code
Jan
1
Feb
2
Mar
3
Apr
4
May
5
Jun
6
Jul
7
Aug
8
Sep
9
Oct
O
Nov
N
Dec
D
1 of 5
www.diodes.com
December 2017
© Diodes Incorporated
B0540WQ
Document number: DS38491 Rev. 4 - 2