BZX84C2V7–BZX84C51
Vishay Telefunken
350 mW Surface Mount Zener Diodes
Features
D
D
D
D
Planar die construction
350 mW Power dissipation
Zener voltages from 2.7V – 51V
Ideally suited for automated assembly processes
94 8550
Absolute Maximum Ratings
T
j
= 25
_
C
Parameter
Power dissipation
Zener current (see figures 1–3 below)
Junction and storage
temperature range
Test Conditions
on ceramic substrate
10mm x 8mm x 0.7mm
Symbol
P
d
Value
350
Unit
mW
T
j
=T
stg
–55...+150
°
C
Maximum Thermal Resistance
T
j
= 25
_
C
Parameter
Junction ambient
Test Conditions
on ceramic substrate 10mm x 8mm x 0.7mm
Symbol
R
thJA
Value
420
Unit
K/W
Electrical Characteristics
T
j
= 25
_
C
Parameter
Forward Voltage
Test Conditions
I
F
=10 mA
Type
Symbol
V
F
Min
Typ
Max
0.9
Unit
V
Document Number 85606
Rev. 1, 01-Apr-99
www.vishay.de
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BZX84C2V7–BZX84C51
Vishay Telefunken
Characteristics
(T
j
= 25
_
C unless otherwise specified)
T
j
=25°C
C2V7
C3V9
C3V3 C4V7
C5V6
C6V8
P
tot
– Total Power Dissipation ( mW )
50
500
See Note 1
40
C8V2
400
I
Z
– Z-Current ( mA )
30
300
20
200
10
Test Current I
z
5.0mA
100
0
0
0
15251
1
2
4 5 6 7
V
Z
– Z-Voltage ( V )
3
8
9
10
15254
0
100
200
T
amb
– Ambient Temperature (
°C
)
Figure 1. Z–Current vs. Z–Voltage
Figure 4. Total Power Dissipation vs.
Ambient Temperature
1000
C
D
– Diode Capacitance ( pF )
T
j
=25°C
30
T
j
=25°C
C10
C12
V
R
= 1V
V
R
= 2V
I
Z
– Z-Current ( mA )
20
C15
C18
Test Current I
z
2.0mA
C22
100
V
R
= 1V
10
Test Current I
z
5.0mA
C27
C33
C36
V
R
= 2V
0
0
15252
10
10
20
30
V
Z
– Z-Voltage ( V )
40
15255
1
10
V
Z
– Z-Voltage ( V )
100
Figure 2. Z–Current vs. Z–Voltage
10
T
j
=25°C
C39
C43
C47
C51
Figure 5. Diode Capacitance vs. Z–Voltage
8
I
Z
– Z-Current ( mA )
6
4
Test Current I
z
2.0mA
2
0
0
15253
10 20 30 40 50 60 70 80 90 100
V
Z
– Z-Voltage ( V )
Figure 3. Z–Current vs. Z–Voltage
Document Number 85606
Rev. 1, 01-Apr-99
www.vishay.de
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BZX84C2V7–BZX84C51
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
Document Number 85606
Rev. 1, 01-Apr-99
www.vishay.de
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