BAS40W /-04 /-05 /-06
Document number: DS30114 Rev. 15 - 2
1 of 4
www.diodes.com
February 2014
© Diodes Incorporated
BAS40W /-04 /-05 /-06
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Features
• Low Forward Voltage Drop
• Fast Switching
• Ultra-Small Surface Mount Package
• PN Junction Guard Ring for Transient and ESD Protection
• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
• Halogen and Antimony Free. “Green” Device (Note 3)
Mechanical Data
• Case: SOT323
• Case Material: Molded Plastic, "Green" Molding Compound,
Note 4. UL Flammability Classification Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020D
• Terminals: Solderable per MIL-STD-202, Method 208
• Lead Free Plating (Matte Tin Finish annealed over Alloy 42
leadframe).
• Polarity: See Diagrams Below
• Weight: 0.006 grams (approximate)
Top View BAS40W BAS40W-04 BAS40W-05 BAS40W-06
Ordering Information (Notes 4 & 5)
Part Number Case Packaging
BAS40W-7-F SOT323 3000/Tape & Reel
BAS40W-13-F SOT323 10000/Tape & Reel
BAS40W-04-7-F SOT323 3000/Tape & Reel
BAS40W-05-7-F SOT323 3000/Tape & Reel
BAS40W-06-7-F SOT323 3000/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. Product manufactured with Date Code 0627 (week 27, 2006) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code 0627 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
5. For packaging details, go to our website at http://www.diodes.com/products/packages.html.
Marking Information
Date Code Key
Year 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
Code T U V W X Y Z A B C D E F G H I
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Code 1 2 3 4 5 6 7 8 9 O N D
xxx = Product Type Marking Code
K43 = BAS40W
K44 = BAS40W-04
K45 = BAS40W-05
K46 = BAS40W-06
YM = Date Code Marking
Y = Year (ex: B = 2014)
M = Month (ex: 9 = September)
xxx
YM
e3
BAS40W /-04 /-05 /-06
Document number: DS30114 Rev. 15 - 2
2 of 4
www.diodes.com
February 2014
© Diodes Incorporated
BAS40W /-04 /-05 /-06
Maximum Ratings (@TA = +25°C, unless otherwise specified.)
Characteristic Symbol Value Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
40 V
RMS Reverse Voltage VR(RMS) 28 V
Forward Continuous Current (Note 6) IFM 200 mA
Non-Repetitive Peak Forward Surge Current @ t = 1.0s IFSM 600 mA
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 6) PD 200 mW
Thermal Resistance Junction to Ambient Air (Note 6) RθJA 625 °C/W
Operating Temperature Range TJ -55 to +125 °C
Storage Temperature Range TSTG -65 to +150 °C
Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
Characteristic Symbol Min Max Unit Test Condition
Reverse Breakdown Voltage (Note 7) V(BR)R 40 ⎯ V IR = 10μA
Forward Voltage VF ⎯ 380
1000
mV
mV
IF = 1.0mA, tp < 300μs
IF = 40mA, tp < 300μs
Leakage Current (Note 7) IR ⎯ 200 nA VR = 30V
Total Capacitance CT ⎯ 5.0 pF VR = 0, f = 1.0MHz
Reverse Recovery Time trr ⎯ 5.0 ns IF = IR = 10mA,
Irr = 0.1 x IR, RL = 100Ω
Notes: 6. Device mounted on FR4 PC board with recommended pad layout, per http://www.diodes.com
7. Short duration pulse test used to minimize self-heating effect.
0.01
0.1
1
0.001
0.0001
01.0
0.6 0.8
0.40.2
I, INS
T
AN
T
ANE
O
U
S
F
O
R
WA
R
D
C
U
R
R
EN
T
(A)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 1 Typical Forward Characteristics
F
0.1
1
10
100
1,000
10,000
010 20 30 40
V , INSTANTANEOUS REVERSE VOLTAGE (V)
Fig. 2 Typical Reverse Characteristics
R
I , INS
T
AN
T
ANE
O
U
S
R
EVE
R
SE
C
U
R
R
EN
T
(nA)
R
BAS40W /-04 /-05 /-06
Document number: DS30114 Rev. 15 - 2
3 of 4
www.diodes.com
February 2014
© Diodes Incorporated
BAS40W /-04 /-05 /-06
Package Outline Dimensions
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version.
Suggested Pad Layout
Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version.
0
1
3
2
010 20 40
30
C
,
T
O
T
AL
C
A
P
A
C
I
T
AN
C
E (p
F
)
T
V , DC REVERSE VOLTAGE (V)
Fig. 3 Total Capacitance vs. Reverse Voltage
R
0120 200
250
200
150
50
40 80 160
100
0
T , AMBIENT TEMPERATURE ( C)
Fig. 4 Power Derating Curve, Total Package
A
°
P
,
P
O
WE
R
DISSI
P
A
T
I
O
N (mW)
D
SOT323
Dim Min Max Typ
A 0.25 0.40 0.30
B 1.15 1.35 1.30
C 2.00 2.20 2.10
D - - 0.65
G 1.20 1.40 1.30
H 1.80 2.20 2.15
J 0.0 0.10 0.05
K 0.90 1.00 1.00
L 0.25 0.40 0.30
M 0.10 0.18 0.11
α 0° 8° -
All Dimensions in mm
Dimensions Value (in mm)
Z 2.8
X 0.7
Y 0.9
C 1.9
E 1.0
X E
Y
C
Z
A
M
JL
D
BC
H
K
G
BAS40W /-04 /-05 /-06
Document number: DS30114 Rev. 15 - 2
4 of 4
www.diodes.com
February 2014
© Diodes Incorporated
BAS40W /-04 /-05 /-06
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. Any Customer or user of this document or products described herein 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 Diodes Incorporated
website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and
hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or
indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings
noted herein may also be covered by one or more United States, international or foreign trademarks.
This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the
final and determinative format released by Diodes Incorporated.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express
written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and
acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any
use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related
information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its
representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2014, Diodes Incorporated
www.diodes.com
