BAS40 /-04 /-05 /-06
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Features
• Low Forward Voltage Drop
• Fast Switching
• PN Junction Guard Ring for Transient and ESD Protection
• Lead, Halogen and Antimony Free, RoHS Compliant
"Green" Device (Notes 3 and 4)
• Qualified to AEC-Q101 Standards for High Reliability
Mechanical Data
• Case: SOT-23
• Case Material: Molded Plastic. 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
• Marking Information: See Page 2
• Ordering Information: See Page 2
• Weight: 0.008 grams (approximate)
Top View BAS40 BAS40-04 BAS40-05 BAS40-06
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
Forward Continuous Current (Note 1) IFM 200 mA
Forward Surge Current (Note 1) @ t < 1.0s IFSM 600 mA
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 1) PD 350 mW
Thermal Resistance, Junction to Ambient Air (Note 1) RθJA 357 °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 Typ Max Unit Test Condition
Reverse Breakdown Voltage (Note 2) V(BR)R 40 ⎯ ⎯ V IR = 10μA
Forward Voltage
VF ⎯ ⎯ 380
1000 mV tp < 300μs, IF = 1.0mA
tp < 300μs, IF = 40mA
Reverse Leakage Current (Note 2) IR ⎯ 20 200 nA tp < 300μs, VR = 30V
Total Capacitance CT ⎯ 4.0 5.0 pF VR = 0V, f =1.0MHz
Reverse Recovery Time trr ⎯ ⎯ 5.0 ns IF = IR = 10mA to IR = 1.0mA,
RL = 100Ω
Notes: 1. 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.
2. Short duration pulse test used to minimize self-heating effect.
3. No purposefully added lead. Halogen and Antimony Free.
4. Product manufactured with Date Code V9 (week 33, 2008) and newer are built with Green Molding Compound. Product manufactured prior to Date Code
V9 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
BAS40 /-04 /-05 /-06
Document number: DS11006 Rev. 21 - 2 1 of 3
www.diodes.com July 2008
© Diodes Incorporated
Please click here to visit our online spice models database.
BAS40 /-04 /-05 /-06
0.01
0.1
1
0.001
0.0001 01.0
T
EN
BAS40 /-04 /-05 /-06
Document number: DS11006 Rev. 21 - 2 2 of 3
www.diodes.com July 2008
© Diodes Incorporated
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
(A)
F
V , INST ANTANEOUS FORWARD VOLT AGE (V)
Fig. 1 Typical For ward Characteristics
F
0.1
1
10
100
1,000
10,000
010 20 30 40
V , INSTANTANEOUS REVERSE VOL TAGE (V)
Fig. 2 Typical Reverse Characteristics
R
I, I
N
S
T
A
N
T
A
N
E
O
U
S
R
EVE
R
SE
C
U
R
R
E
N
T
(nA )
R
0
1
3
2
010 20 4030
C
,
T
O
T
AL
C
A
P
A
C
I
T
A
N
C
E (p
F
)
T
V , DC REVERSE VOL TAGE (V)
Fig . 3 Tot al Cap acita nce vs. R everse V olt age
R
T , AMBIENT TEMPERAT URE (ºC)
Fig. 4 Power Derating Curve, Total Package
A
P
,
P
O
WE
R
DISSI
P
A
T
I
O
N (mW)
D
0
100
200
300
400
0120 200
40 80 160
Ordering Information (Notes 4 & 5)
Part Number Case Packaging
BAS40-7-F SOT-23 3000/Tape & Reel
BAS40-04-7-F SOT-23 3000/Tape & Reel
BAS40-05-7-F SOT-23 3000/Tape & Reel
BAS40-06-7-F SOT-23 3000/Tape & Reel
Notes: 5. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information Kxx = Product Type Marking Code:
K43 = BAS40
K44 = BAS40-04
K45 = BAS40-05
K46 = BAS40-06
YM = Date Code Marking
Y = Year (ex: T = 2006)
M = Month
(
ex: 9 = Se
p
tember
)
Kxx
YM
Date Code Key
Year 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
Code K L M N P R S T U V W X Y Z A B C
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
BAS40 /-04 /-05 /-06
Document number: DS11006 Rev. 21 - 2 3 of 3
www.diodes.com July 2008
© Diodes Incorporated
BAS40 /-04 /-05 /-06
Package Outline Dimensions
Suggested Pad Layout
IMPORTANT NOTICE
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to any product herein. Diodes Incorporated 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
Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written
approval of the President of Diodes Incorporated.
A
M
JL
D
F
BC
H
K
G
K1
SOT-23
Dim Min Max Typ
A 0.37 0.51 0.40
B 1.20 1.40 1.30
C 2.30 2.50 2.40
D 0.89 1.03 0.915
F 0.45 0.60 0.535
G 1.78 2.05 1.83
H 2.80 3.00 2.90
J 0.013 0.10 0.05
K 0.903 1.10 1.00
K1 - - 0.400
L 0.45 0.61 0.55
M 0.085 0.18 0.11
α 0° 8° -
All Dimensions in mm
XE
Y
C
Z
Dimensions Value (in mm)
Z 2.9
X 0.8
Y 0.9
C 2.0
E 1.35
