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BAT85S
Vishay Telefunken
Schottky Barrier Diode
Features
D Integrated protection ring against
static discharge
D Very low forward voltage
Applications
Applications where a very low forward voltage is required
94 9367
Absolute Maximum Ratings
Tj = 25_C Parameter Reverse voltage Peak forward surge current Repetitive peak forward current Forward current Average forward current Junction temperature Storage temperature range Test Conditions tp 10 ms tp1s PCB mounting, l=4mm; VRWM=25V, Tamb=50C Type Symbol VR IFSM IFRM IF IFAV Tj Tstg Value 30 5 300 200 200 125 -65...+150 Unit V A mA mA mA
C C
Maximum Thermal Resistance
Tj = 25_C Parameter Junction ambient Test Conditions l=4mm, TL=constant Symbol RthJA Value 350 Unit K/W
Document Number 85513 Rev. 3, 01-Apr-99
www.vishay.de * FaxBack +1-408-970-5600 1 (4)
BAT85S
Vishay Telefunken Electrical Characteristics
Tj = 25_C Parameter Forward voltage g Test Conditions IF=0.1mA IF=1mA IF=10mA IF=30mA IF=100mA VR=25V VR=1V, f=1MHz Type Symbol VF VF VF VF VF IR CD Min Typ Max 240 320 400 500 800 2 10 Unit mV mV mV mV mV
Reverse current Diode capacitance
mA
pF
Characteristics (Tj = 25_C unless otherwise specified)
200 PR - Reverse Power Dissipation ( mW ) 180 160 140 120 100 80 60 40 20 0 25
15822
1000 VR = 30 V IF - Forward Current ( A ) 100 Tj = 150C
RthJA= 540K/W
PR-Limit @100%VR
Tj = 25C 10
PR-Limit @80%VR
1
0.1 50 75 100 125 150
15824
0
0.5
1.0
1.5
Tj - Junction Temperature ( C )
VF - Forward Voltage ( V )
Figure 1. Max. Reverse Power Dissipation vs. Junction Temperature
1000 VR = VRRM
Figure 3. Forward Current vs. Forward Voltage
10 9 CD - Diode Capacitance ( pF ) 8 7 6 5 4 3 2 1 0 0.1
15825
f=1MHz
I R - Reverse Current ( mA )
100
10
1 25
15823
50
75
100
125
150
1.0
10.0
100.0
Tj - Junction Temperature ( C )
VR - Reverse Voltage ( V )
Figure 2. Reverse Current vs. Junction Temperature
Figure 4. Diode Capacitance vs. Reverse Voltage
www.vishay.de * FaxBack +1-408-970-5600 2 (4)
Document Number 85513 Rev. 3, 01-Apr-99
BAT85S
Vishay Telefunken Dimensions in mm
Cathode Identification 0.55 max.
technical drawings according to DIN specifications 94 9366
1.7 max.
Standard Glass Case 54 A 2 DIN 41880 JEDEC DO 35 Weight max. 0.3 g
26 min.
3.9 max.
26 min.
Document Number 85513 Rev. 3, 01-Apr-99
www.vishay.de * FaxBack +1-408-970-5600 3 (4)
BAT85S
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. Various 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 Vishay-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 4 (4)
Document Number 85513 Rev. 3, 01-Apr-99

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