Page 1
Schottky Barrier Diodes
g
g
Features
D
Integrated protection ring against
static discharge
D
Low capacitance
D
Low leakage current
D
Low forward voltage drop
D
Very low switching time
Applications
General purpose and switching
Schottky barrier diode
HF–Detector
Protection circuit
Diode for low currents with a low supply voltage
Small battery charger
Power supplies
DC / DC converter for notebooks
BAT81S...BAT83S
Vishay Telefunken
94 9367
Absolute Maximum Ratings
Tj = 25_C
Parameter Test Conditions Type Symbol Value Unit
Reverse voltage BAT81S V
BAT82S V
BAT83S V
Peak forward surge current tp≤10ms I
Repetitive peak forward current tp≤1s I
Forward current I
Junction temperature T
Storage temperature range T
FSM
FRM
R
R
R
F
j
stg
40 V
50 V
60 V
500 mA
150 mA
30 mA
125
–65...+150
Maximum Thermal Resistance
Tj = 25_C
Parameter Test Conditions Symbol Value Unit
Junction ambient l=4mm, TL=constant R
thJA
320 K/W
Electrical Characteristics
Tj = 25_C
Parameter Test Conditions Type Symbol Min Typ Max Unit
Forward voltage IF=0.1mA V
IF=1mA V
IF=15mA V
Reverse current VR=V
Diode capacitance VR=1V, f=1MHz C
Rmax
F
F
F
I
R
D
°
C
°
C
330 mV
410 mV
1 V
200 nA
1.6 pF
Document Number 85512
Rev. 3, 01-Apr-99 1 (4)
www.vishay.de • FaxBack +1-408-970-5600
Page 2
BAT81S...BAT83S
Vishay Telefunken
Characteristics (Tj = 25_C unless otherwise specified)
14
12
R
=
10
8
6
4
2
R
P – Reverse Power Dissipation ( mW )
0
thJA
540K/W
PR–Limit
@80%V
25 50 75 100 125 150
Tj – Junction Temperature ( °C )15794
VR = 60 V
PR–Limit
@100%V
R
R
Figure 1. Max. Reverse Power Dissipation vs.
Junction Temperature
1000.0
1000.0
VR = V
RRM
100.0
100.0
m
10.0
10.0
1.0
1.0
R
I – Reverse Current ( A )
0.1
0.1
25 50 75 100 125 150
25 50 75 100 125 150
Tj – Junction Temperature ( °C )15795
1000
100
10
1
0.1
F
I – Forward Current ( A )
0.01
Tj=150°C
Tj=25°C
0 0.5 1.0 1.5 2.0
VF – Forward Voltage ( V )15796
Figure 3. Forward Current vs. Forward Voltage
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
D
C – Diode Capacitance ( pF )
0.2
0
0.1 1.0 10.0 100.0
VR – Reverse Voltage ( V )15797
f=1MHz
Figure 2. Reverse Current vs. Junction Temperature
www.vishay.de • FaxBack +1-408-970-5600 Document Number 85512
Figure 4. Diode Capacitance vs. Reverse Voltage
Rev. 3, 01-Apr-992 (4)
Page 3
Dimensions in mm
BAT81S...BAT83S
Vishay Telefunken
Cathode Identification
technical drawings
according to DIN
specifications
94 9366
Standard Glass Case
54 A 2 DIN 41880
JEDEC DO 35
Weight max. 0.3g
∅ 1.7 max.
∅ 0.55 max.
3.9 max.26 min.
26 min.
Document Number 85512
Rev. 3, 01-Apr-99 3 (4)
www.vishay.de • FaxBack +1-408-970-5600
Page 4
BAT81S...BAT83S
Vishay Telefunken
Ozone Depleting Substances Policy Statement
It is the policy of Vishay Semiconductor GmbH to
1. Meet all present and future national and international statutory requirements.
2. Regularly and continuously improve the performance of our products, processes, distribution and operating
systems
with respect to their impact on the health and safety of our employees and the public, as well as their impact on
the environment.
It is particular concern to control or eliminate releases of those substances into the atmosphere which are known
as ozone depleting substances (ODSs).
The Montreal Protocol (1987) and its London Amendments (1990) intend to severely restrict the use of ODSs and
forbid their use within the next ten years. V arious national and international initiatives are pressing for an earlier ban
on these substances.
Vishay Semiconductor GmbH has been able to use its policy of continuous improvements to eliminate the use
of ODSs listed in the following documents.
1. Annex A, B and list of transitional substances of the Montreal Protocol and the London Amendments respectively
2. Class I and II ozone depleting substances in the Clean Air Act Amendments of 1990 by the Environmental
Protection Agency (EPA) in the USA
3. Council Decision 88/540/EEC and 91/690/EEC Annex A, B and C (transitional substances) respectively.
Vishay Semiconductor GmbH can certify that our semiconductors are not manufactured with ozone depleting
substances and do not contain such substances.
We reserve the right to make changes to improve technical design and may do so without further notice.
Parameters can vary in different applications. All operating parameters must be validated for each customer
application by the customer. Should the buyer use V ishay-Telefunken products for any unintended or unauthorized
application, the buyer shall indemnify Vishay-Telefunken against all claims, costs, damages, and expenses, arising out
of, directly or indirectly , any claim of personal damage, injury or death associated with such unintended or
unauthorized use.
Vishay Semiconductor GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany
Telephone: 49 (0)7131 67 2831, Fax number: 49 (0)7131 67 2423
www.vishay.de • FaxBack +1-408-970-5600 Document Number 85512
Rev. 3, 01-Apr-994 (4)
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