BAT400D
Document number: DS30182 Rev. 15 - 2 1 of 3
www.diodes.com June 2008
© Diodes Incorporated
BAT400D
0.5A SURFACE MOUNT SCHO TTKY BARRIER RECTIFIER
Features
• Low Forward Voltage Drop
• High Conductance
• 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 Diagram
• Marking Information: See Page 2
• Ordering Information: See Page 2
• Weight: 0.008 grams (approximate)
TOP VIEW
Top View Device Schematic
Maximum Ratings @TA = 25°C unless otherwise specified
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitance load, derate current by 20%.
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
Average Rectified Current (Note 2) IO 0.5 A
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave superimposed on rated load IFSM 3 A
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (see Figure 1) (Note 2) PD 480 mW
Typical Thermal Resistance, Junction to Ambient Air (Note 2) RθJA 286 °C/W
Operating and Storage Temperature Range TJ, TSTG -40 to +125 °C
Electrical Characteristics @TA = 25°C unless otherwise specified
Characteristic Symbol Min Typ Max Unit Test Condition
Reverse Breakdown Voltage (Note 1) V(BR)R 40 ⎯ ⎯ V IR = 1mA
Forward Voltage
VF ⎯ 285
480 300
550 mV IF = 10mA
IF = 500mA
Reverse Current (Note 1) IR ⎯
⎯ 1.0
2.0 30
50 μA
μA VR = 10V
VR = 30V
Total Capacitance CT ⎯
⎯ 125
20 ⎯
⎯ pF
pF VR = 0V, f = 1.0MHz
VR = 10V, f = 1.0MHz
Notes: 1. Short duration pulse test used to minimize self-heating effect.
2. 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.
3. No purposefully added lead. Halogen and Antimony Free.
4. Product manufactured with Data 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.
BAT400D
10
1
100
1,000
.00100
BAT400D
Document number: DS30182 Rev. 15 - 2 2 of 3
www.diodes.com June 2008
© Diodes Incorporated
.60
I, INS
T
AN
T
ANE
O
U
S
F
O
R
WA
R
D
C
U
R
R
EN
T
(mA)
F
V , INSTANTANEOUS FORW ARD VOLT AGE (V)
Fig. 1 Typical Forward Characteristics
F
1m
10m
010202535
40
15530
0.10 0.20 0.30 0.40 0.50
.01
.1
V , INSTANTANEOUS REVERSE VOLTAGE (V)
Fig. 2 Typical Reverse Characteristics
R
T = +25°C
A
T = +125°C
A
T = +75°C
A
0
10
100
C
,
T
O
T
AL
C
A
P
A
C
I
T
AN
C
E (p
F
)
T
V , DC REVERSE VOLT AGE (V)
Fig. 3 Total Capacitance vs. Reverse Voltage
R
1,000
510 2520
f = 1 MHz
15
0
0.2
060 90 150
P
,
P
O
WE
R
DISSI
P
A
T
I
O
N (mW)
D
T , AMBIENT TEMPERA T URE ( C)
Fig. 4 Forward Current Derating Curve
A
°
0.4
0.6
30 120
Ordering Information (Note 5)
Part Number Case Packaging
BAT400D-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
KSJ
YM
KSJ = Product Type Marking Code
YM = Date Code Marking
Y = Year ex: N = 2002
M = Month ex: 9 = September
Date Code Key
Year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
Code J K L M N P R S T U V W X Y Z
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
BAT400D
Package Outline Dimensions
BAT400D
Document number: DS30182 Rev. 15 - 2 3 of 3
www.diodes.com June 2008
© Diodes Incorporated
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 an y 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
DF
BC
H
K
G
SOT-23
Dim Min Max
A 0.37 0.51
B 1.20 1.40
C 2.30 2.50
D 0.89 1.03
F 0.45 0.60
G 1.78 2.05
H 2.80 3.00
J 0.013 0.10
K 0.903 1.10
L 0.45 0.61
M 0.085 0.180
α 0° 8°
All Dimensions in mm
X E
Y
C
Z
Dimensions Value (in mm)
Z 2.9
X 0.8
Y 0.9
C 2.0
E 1.35
