Page 1
AiT Components Inc.
www.ait-components.com
BAS40
SCHOTTKY DIODES
DESCRIPTION
FEATURES
Planar Schottky barrier diodes with an integrated
guard ring for stress protection.
We declare that the material of product compliance
with RoHS requirements.
The BAS40 is available in SOT-23 Package
Low forward current
Guard ring protected
Low diode capacitance.
RoHS Compliant
Available in SOT-23 Package
APPLICATIONS
Ultra high-speed switching
Voltage clamping
Protection circuits.
Blocking diodes.
ORDERING INFORMATION
Package Type
Part Number
SOT-23
BAS40-01
BAS40-04
BAS40-05
BAS40-06
Note
3,000pcs/Reel
AiT provides all RoHS Compliant Products
BAS40-04 double diode.
BAS40-05 double diode.
BAS40-06 double diode.
PIN DESCRIPTION
BAS40-01 single diode.
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AiT Components Inc.
www.ait-components.com
BAS40
SCHOTTKY DIODES
ABSOLUTE MAXIMUM RATINGS
VR, Continuous reverse voltage
40V
IF, Continuous forward current
120mA
I
FSM
, Repetitive Peak forward surge current (tp≦1s;δ≦0.5)
120mA
I
FSM
, Non-repetitive peak forward current (tp<10ms)
200mA
T
STG
, Storage temperature
-65~+150°C
TJ, Junction temperature
150°C
T
AMB
, Operating ambient temperature
-65~+150°C
Parameter
Symbol
Conditions
Max.
Unit
Forward Voltage (Fig.1)
VF
IF=1mA
IF=10mA
IF=40mA
400
560
1
mV
mV
V
Reverse Current (Fig.2)
NOTE1
IR
VR=30V
VR=40V
1
10
μA
μA
Diode Capacitance (Fig.4)
Cd
f=1MHz;VR=0
5
pF
Parameter
Symbol
Conditions
VALUE
Unit
Thermal Resistance From Junction
to Ambient
R
TH J-A
NOTE2
500
k/w
Stresses above may cause permanent damage to the device. These are stress ratings only and functional operation of the device at
these or any other conditions beyond those indicated in the Electrical Characteristics are not implied. Exposure to absolute maximum
rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
TA = 25°C
NOTE1: Pulse test:tp=300μs;δ=0.02.
THERMAL CHARACTERISTICS
NOTE2: Refer to SOT-23 or SOT-143B standard mounting conditions.
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AiT Components Inc.
www.ait-components.com
BAS40
SCHOTTKY DIODES
TYPICAL CHARACTERISTICS
Figure 1. Forward current as a function of
forward voltage; typical values.
Figure 2. Reverse current as a function of
reverse voltage; typical values.
Figure 3. Differential forward resistance as a function
of forward current; typical values.
Figure 4. Diode capacitance as a function of reverse
voltage; typical values.
TA = 25°C
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AiT Components Inc.
www.ait-components.com
BAS40
SCHOTTKY DIODES
PACKAGE INFORMATION
DIM
MILLIMETERS
INCHES
MIN
MAX
MIN
MAX
A
2.800
3.040
0.1102
0.1197
B
1.200
1.400
0.0472
0.0551
C
0.890
1.110
0.0350
0.0440
D
0.370
0.500
0.0150
0.0200
G
1.780
2.040
0.0701
0.0807
H
0.013
0.100
0.0005
0.0040
J
0.085
0.177
0.0034
0.0070
K
0.350
0.690
0.0140
0.0285
L
0.890
1.020
0.0350
0.0401
S
2.100
2.640
0.0830
0.1039
V
0.450
0.600
0.0177
0.0236
Dimension in SOT-23 Package (Unit: mm)
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AiT Components Inc.
www.ait-components.com
BAS40
SCHOTTKY DIODES
IMPORTANT NOTICE
AiT Components (AiT) reserves the right to make changes to any its product, specifications, to discontinue
any integrated circuit product or service without notice, and advises its customers to obtain the latest version
of relevant information to verify, before placing orders, that the information being relied on is current.
AiT Components’ integrated circuit products are not designed, intended, authorized, or warranted to be
suitable for use in life support applications, devices or systems or other critical applications. Use of AiT
products in such applications is understood to be fully at the risk of the customer. As used herein may
involve potential risks of death, personal injury, or servere property, or environmental damage. In order to
minimize risks associated with the customer's applications, the customer should provide adequate design and
operating safeguards.
AiT Components assumes to no liability to customer product design or application support. AiT warrants the
performance of its products of the specifications applicable at the time of sale.
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