
DS30114 Rev. 12 - 2
1 of 3
BAS40W/-04/-05/-06
www.diodes.com
Diodes Incorporated
BAS40W/-04/-05/-06
SURFACE MOUNT SCHOTTKY BARRIER DIODE
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Case: SOT-323
Case Material: Molded Plastic, "Green" Molding
Compound, Note 4. UL Flammability Classification Rating
94V-0
Moisture Sensitivity: Level 1 per J-STD-020C
Terminals: Solderable per MIL-STD-202, Method 208
Lead Free Plating (Matte Tin Finish annealed over Alloy 42
leadframe).
Polarity: See Diagrams Below
Marking: See Diagrams Below &Page 3
Weight: 0.006 grams (approximate)
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Mechanical Data
A
M
J
L
F
D
B C
H
K
G
B
E
C
Features
Low Forward Voltage Drop
Fast Switching
Ultra-Small Surface Mount Package
PN Junction Guard Ring for Transient and ESD Protection
Lead Free/RoHS Compliant (Note 3)
"Green" Device (Note 4 and 5)
Characteristic
Symbol
V
RRM
V
RWM
V
R
V
R(RMS)
I
FM
I
FSM
P
d
R
q
JA
T
j
T
STG
Value
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current (Note 1)
40
V
28
200
600
200
625
V
mA
mA
Non-Repetitive Peak Forward Surge Current
Power Dissipation (Note 1)
Thermal Resistance Junction to Ambient Air (Note 1)
Operating Temperature Range
Storage Temperature Range
Electrical Characteristics
@ T
A
= 25
°
C unless otherwise specified
@ t = 1.0s
mW
°
C/W
°
C
°
C
-55 to +125
-65 to +150
Maximum Ratings
@ T
A
= 25
°
C unless otherwise specified
Notes: 1. Device mounted on FR4 PC board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
2. Short duration test pulse used to minimize self-heating effect.
3. No purposefully added lead.
4. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
5. Product manufactured with Date Code 0609 (week 9, 2006) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code 0609 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants.
Characteristic
Symbol
V
(BR)R
Min
40
Max
Unit
V
Test Condition
I
R
= 10
m
A
Reverse Breakdown Voltage (Note 2)
Forward Voltage
V
F
380
1000
mV
mV
I
F
= 1.0mA, t
p
< 300
m
s
I
F
= 40mA, t
p
< 300
m
s
Leakage Current (Note 2)
Total Capacitance
I
R
C
T
200
5.0
nA
pF
V
R
= 30V
V
R
= 0, f = 1.0MHz
I
F
= I
= 10mA,
I
rr
= 0.1 x I
R
, R
L
= 100
W
Reverse Recovery Time
t
rr
5.0
ns
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BAS40W Marking: K43
BAS40W-04 Marking: K44
BAS40W-05 Marking: K45
BAS40W-06 Marking: K46
SOT-323
Min
Dim
A
B
C
D
E
G
H
J
K
L
M
Max
0.25
0.40
1.15
1.35
2.00
2.20
0.65 Nominal
0.30
0.40
1.20
1.40
1.80
2.20
0.0
0.10
0.90
1.00
0.25
0.40
0.10
0.18
a
0
°
8
°
All Dimensions in mm
TOP VIEW
Lead-free Green