SMD Small Signal Schottky Diode
BAS70WS
List
Formosa MS
List................................................................................................. 1
Package outline............................................................................... 2
Features.......................................................................................... 2
Mechanical data............................................................................... 2
Maximum ratings ............................................................................. 2
Rating and characteristic curves........................................................ 3
Pinning information........................................................................... 4
Marking........................................................................................... 4
Suggested solder pad layout............................................................. 4
Packing information.......................................................................... 5
Reel packing.................................................................................... 6
Suggested thermal profiles for soldering processes............................. 6
High reliability test capabilities........................................................... 7
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2010/03/10
Revision
B
Page.
7
Page 1
DS-22160G
SMD Small Signal Schottky Diode
BAS70WS
70mA Surface Mount Small Signal
Schottky Diodes-70V
Features
•
Low current rectification and high speed switching.
•
S
mall surface mount type.
•
Up to 70mA current capability.
•
Low forward voltage drop (V
F
= 1.00V typ. @15mA)
•
Silicon epitaxial planar chip, metal silicon junction.
•
Lead-free parts for green partner, exceeds environmental
•
•
standards of MIL-STD-19500 /228
High speed ( trr < 5 ns )
Suffix "-H" indicates Halogen-free parts, ex. ΒΑS70WS-H.
0.053(1.35)
0.045(1.15)
Formosa MS
Package outline
SOD-323F
0.071(1.80)
0.063(1.60)
0.016(0.40)
0.010(0.25)
0.039(1.00)
0.031(0.80)
0.003(0.08)
0.016(0.40)
0.106(2.70)
0.091(2.30)
Mechanical data
•
Epoxy:UL94-V0 rated flame retardant
•
Case : Molded plastic, SOD-323F
•
Terminals : Solder plated, solderable per
MIL-STD-750, Method 2026
Dimensions in inches and (millimeters)
•
Polarity : Indicated by cathode band
•
Mounting Position : Any
•
Weight : Approximated 0.005 gram
Maximum ratings and Electrical Characteristics
(AT T =25 C unless otherwise noted)
o
A
PARAMETER
Repetitive peak reverse voltage
Reverse voltage
Repetitive peak forward current
Forward current
Power Dissipation
Thermal Resistance
Junction temperature
Storage temperature
Forward voltage
Reverse current
Diode capacitance
Reverse recovery time
I
F
= 1.0 mA
I
F
= 15 mA
V
R
= 50 V
V
R
= 0 V, f = 1MHz
Junction to Ambient
@
t
<1.0s
CONDITIONS
Symbol
V
RRM
V
R
I
FSM
I
F
P
D
R
θJA
T
J
T
STG
V
F
V
F
I
R
C
D
trr
MIN.
TYP.
MAX.
70
70
100
70
200
625
UNIT
V
V
mA
mA
mW
o
C/W
o
-55
-65
+125
+125
0.41
1.00
100
2
5
C
C
o
V
V
nA
pF
ns
I
F
= 10 mA, V
R
= 10mA, I
RR
= 0.1 X I
R
, RL=100Ω
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2010/03/10
Revision
B
Page.
7
Page 2
DS-22160G
Rating and characteristic curves for each diode (BAS70WS)
IR
(μA)
10
0
V
R
(
V
)
Fig
.
1 Forward current as a function of forward
voltage
;
typical values
.
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2010/03/10
Revision
B
Page.
7
Page 3
DS-22160G
SMD Small Signal Schottky Diode
BAS70WS
Pinning information
Pin
Pin1
Pin2
cathode
anode
Simplified outline
1
2
Formosa MS
Symbol
1
2
Marking
Type number
BAS70WS
Marking code
K73
Suggested solder pad layout
C
A
B
Dimensions in inches and (millimeters)
PACKAGE
SOD-323F
A
0.033 (0.83)
B
0.025 (0.63)
C
0.063 (1.60)
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2010/03/10
Revision
B
Page.
7
Page 4
DS-22160G
SMD Small Signal Schottky Diode
BAS70WS
Packing information
P
0
P
1
d
E
F
B
W
Formosa MS
A
P
D
2
T
C
D
W
1
D
1
unit:mm
Item
Symbol
Tolerance
SOD-323F
Carrier width
Carrier length
Carrier depth
Sprocket hole
13" Reel outside diameter
13" Reel inner diameter
7" Reel outside diameter
7" Reel inner diameter
Feed hole diameter
Sprocket hole position
Punch hole position
Punch hole pitch
Sprocket hole pitch
Embossment center
Overall tape thickness
Tape width
Reel width
A
B
C
d
D
D
1
D
D
1
D
2
E
F
P
P
0
P
1
T
W
W
1
0.1
0.1
0.1
0.1
2.0
min
2.0
min
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.3
1.0
1.46
2.95
1.25
1.50
-
-
178.00
62.00
13.00
1.75
3.50
4.00
4.00
2.00
0.23
8.00
11.40
Note:Devices are packed in accor dance with EIA standar RS-481-A and specifications listed above.
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Document ID
Issued Date
2008/02/10
Revised Date
2010/03/10
Revision
B
Page.
7
Page 5
DS-22160G
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