BAS40WS
SURFACE MOUNT
SCHOTTKY BARRIER DIODE
REVERSE VOLTAGE – 40 Volts
FORWARD CURRENT – 0.2 Ampere
FEATURES
Low Turn-on Voltage
Fast Switching
Guard Ring Construction for Transient Protection
MECHANICAL DATA
Case: SOD-323 Plastic
Case Material: “Green” molding compound, UL
flammability classification 94V-0, (No Br. Sb. CI)
Moisture Sensitivity: Level 1 per J-STD-020D
Lead Free in RoHS 2002/95/EC Compliant
SOD-323
SOD-323
Dim. Min. Max.
A 2.50 2.70
B 1.20 1.40
C 1.60 1.80
D 0.25
0.35
E 0.08 0.15
F 0.25 0.40
G --- 1.0
H 0.00 0.10
Dimensions in millimeter
Maximum Ratings & Thermal Characteristics
@ T
A
= 25 unless otherwise specified
Characteristic Symbol
BAS40WS Units
Repetitive Peak Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
40 V
Forward Continuous Current I
F
200 mA
Peak Forward Surge Current@<1.0s I
FSM
0.6 A
Power Dissipation P
D
200 mW
Thermal Resistance Junction to Ambient R
Θ
JA
625 /W
Operating Temperature Range T
J
150
Storage Temperature Range T
STG
-55~+150
Electrical Characteristics
@
T
A
= 25 unless otherwise specified
Characteristic Test Condition Symbol
BAS40WS Unit
Reverse Breakdown Voltage I
R
= 10uA V
BR
40 V
Maximum Forward Voltage
I
F
= 1mA
I
F
= 10mA
I
F
= 40mA
V
F
380
500
1000
mV
Maximum DC Reverse Current
at Rated DC Blocking Voltage V
R
= 30V I
R
200 nA
Typical Junction Capacitance V
R
=1.0V,f=1MHz
C
T
5 pF
Reverse Recovery time
Irr=1mA,
IR=IF=10mA
RL=100Ω
trr 5 nS
REV. 1, Oct-2010, KSHR14
RATING AND CHARACTERISTIC CURVES
BAS40WS
FIG.1- TYPICAL FORWORD CHARACTERISTICS
0.01
0.1
1
10
100
0 0.2 0.4 0.6 0.8 1
V
F
, INSTANTANEOUS FORWARD VOLTAGE, (V)
I
F
, INSTANTANEOUS FORWARD
CURRENT, (mA)
FIG.2- TYPICAL REVERSE CHARACTERISTICS
0.01
1
100
0 5 10 15 20 25 30 35 40
VR, INSTANTANEOUS REVERSE VOLTAGE, (V)
IR
, INSTANTANEOUS REVERSE
CURRENT, (uA)
FIG.3- TYPICAL JUNCTION CAPACITANCE
0
0.5
1
1.5
2
2.5
3
3.5
0 10 20 30 40
V
R
, REVERSE VOLTAGE, (V)
C
T
, CAPACITANCE, (pF)
Device Marking :
Device P/N Marking Equivalent Circuit Diagram
BAS40WS 43
O
Tj=25°C, f=1MHz
TA=85°C
TA=25°C
TA=-40°C
TA=150°C
TA=85°C
TA=25°C
TA=150°C
Legal Disclaimer Notice
BAS40WS
Important Notice and Disclaimer
LSC reserves the right to make changes to this document and its products and specifications
at any time without notice. Customers should obtain and confirm the latest product
information and specifications before final design, purchase or use.
LSC makes no warranty, representation or guarantee regarding the suitability of its products
for any particular purpose, nor does LSC assume any liability for application assistance or
customer product design. LSC does not warrant or accept any liability with products which
are purchased or used for any unintended or unauthorized application.
No license is granted by implication or otherwise under any intellectual property rights of
LSC.
LSC products are not authorized for use as critical components in life support devices or
systems without express written approval of LSC.