http://www.weitron.com.tw
WEITRON
BAS70WS
SCHOTTKY DIODE
70 mAMPERES
70 VOLTS
SOD-323
1
2
* LOW Turn-on Voltage
* Fast Switching
* PN Junction Guard for Transient and ESD Protection
* Designed for Surface Mount Application
Surface Mount Schottky Barrier Diode
* Case: SOD-323,
* Plastic Material UL Recognition Flammability Classification 94V-O
* Leads: Solderable per MIL-STD-202, Method 208
* Polarity: Cathode Band
* Weight: 0.004 grams(approx.)
Features:
Mechanical Data:
Unit:mm
Dim Min Max
A
B
C
D
E
H
J
K
1.60 1.80
1.15 1.35
0.80 1.00
0.25 0.40
0.15 REF
0.00 0.10
0.089 0.377
2.30 2.70
PIN 1.CATHODE
2.ANODE
MILLMETERS
SOD-323 Outline Demensions
Lead(Pb)-Free
P b
1/3
19-May-06
WEITRON
http://www.weitron.com.tw
Maximum Ratings
(T
A
=25C Unless otherwise noted)
Characteristic
Peak Repetitive Peak reverse voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Symbol
V
RRM
V
RWM
V
R
I
FSM
P
D
T
J
T
STG
Value
Unit
V
mA
mW
Storage temperature Range
Junction temperature Range
-55 to +150
C
C
200
150
70
Forward Continuous Current
Peak forward surge current @<1.0s
I
F
mA
70
100
Characteristic
Symbol
Unit
Forward Voltage
I
F
=1.0mA
I
F
=15mA
V
F
V
C
T
2
pF
I
R
100
nA
-
-
-
-
-
-
-
-
Electrical Characteristics
(T
A
=25C Unless otherwise noted)
Min
Typ
Max
0.41
1.0
Power Dissipation
R
JA
K/W
625
Thermal Resistance Junction to Ambient
Reverse Recovery Time
I
F
=I
R
=10mA, Irr=0.1 x I
R,
R
L
=100
trr
5
ns
-
-
Device Marking
Item
Marking
Eqivalent Circuit diagram
BAS70WS
K73
2
1
2/3
BAS70WS
19-May-06
Reverse Current
V
R
=50V
Total Capacitance
V
R
=0V, f=1.0MHz
WEITRON
http://www.weitron.com.tw
Electrical Characteristic curves(Ta=25C)
BAS70WS
3/3
19-May-06
Fig.1 Forward current as a function of forward
voltage; typical values.
10
0
0.2
0.4
0.6
0.8
1
1
I F
(mA)
V (V)
F
100
0.1
0.01
10
100
0.1
0.01
0.001
Fig.2 Reverse current as a function of reverse
voltage; typical values.
1
0
20
40
60
80
V (V)
R
IR
(A)
T
A
= 125C
T
A
= 85C
T
A
= -40C
T
A
= 25C
T
A
= 125C
T
A
= 85C
T
A
= 25C
f=10kHz.
Fig.3 Differential forward resistance as a function
10
1
1
10
rdiff
IF (mA)
0.1
100
Fig.4 Diode capacitance as a function of reverse
0
0.5
1
1.5
2
0
20
40
60
80
Cd
(pF)
V (V)
R
100
1000
T
A
= 25C
f=1MHz,
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