BZX85C...
Silicon Epitaxial Planar Z–Diodes
Features
D
D
D
D
D
Sharp edge in reverse characteristics
Low reverse current
Low noise
Very high stability
Available with tighter tolerances
Applications
Voltage stabilization
94 9369
Absolute Maximum Ratings
T
j
= 25
_
C
Parameter
Power dissipation
Junction temperature
Storage temperature range
Test Conditions
l=4mm, T
L
=25
°
C
Type
Symbol
P
V
T
j
T
stg
Value
1.3
175
–65...+175
Unit
W
°
C
°
C
Maximum Thermal Resistance
T
j
= 25
_
C
Parameter
Junction ambient
Test Conditions
l=4mm, T
L
=constant
Symbol
R
thJA
Value
110
Unit
K/W
Characteristics
T
j
= 25
_
C
Parameter
Forward voltage
Test Conditions
I
F
=200mA
Type
Symbol
V
F
Min
Typ
Max
1
Unit
V
TELEFUNKEN Semiconductors
Rev. A2, 24-Jun-96
1 (5)
BZX85C...
Typical Characteristics
(T
j
= 25
_
C unless otherwise specified)
2.0
P
tot
– Total Power Dissipation ( W )
C
D
– Diode Capacitance ( pF )
1000
1.6
100
V
R
= 0V
V
R
= 2V
V
R
= 5V
V
R
= 20V
V
R
= 30V
1.2
l=4mm
0.8
l=20mm
0.4
0
–50
l=10mm
10
1
0
50
100
150
200
95 9616
f = 1 MHz
T
amb
= 25°C
0
10
20
30
40
50
60
95 9612
T
amb
– Ambient Temperature (
°C
)
V
Z
– Z-Voltage ( V )
Figure 1. Total Power Dissipation vs. Ambient Temperature
R
thJA
– Therm. Resist. Junction / Ambient ( K/W )
250
r
Z
– Differential Z-Resistance (
W
)
Figure 3. Diode Capacitance vs. Z–Voltage
1000
I
Z
=1mA
100
2mA
5mA
10mA
20mA
10
200
150
l
100
50
0
0
5
10
15
T
L
=constant
20
25
30
l – Lead Length ( mm )
l
1
1
95 9615
10
V
Z
– Z-Voltage ( V )
100
95 9613
Figure 2. Thermal Resistance vs. Lead Length
Figure 4. Differential Z–Resistance vs. Z–Voltage
Z
thp
– Thermal Resistance for Pulse Cond. (K/W)
1000
t
p
/T=0.01
t
p
/T=0.1
100
t
p
/T=0.5
t
p
/T=0.2
10
Single Pulse
i
ZM
=(–V
Z
+(V
Z2
+4r
zj
1
10
–1
10
0
10
1
t
p
– Pulse Length ( ms )
10
2
t
p
/T=0.05
t
p
/T=0.02
R
thJA
=110K/W
D
T=T
jmax
–T
amb
D
T/Z
thp
)
1/2
)/(2r
zj
)
10
3
95 9614
Figure 5. Thermal Response
TELEFUNKEN Semiconductors
Rev. A2, 24-Jun-96
3 (5)
BZX85C...
Ozone Depleting Substances Policy Statement
It is the policy of
TEMIC TELEFUNKEN microelectronic 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.
TEMIC TELEFUNKEN microelectronic GmbH
semiconductor division 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.
TEMIC
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 TEMIC products for any unintended or unauthorized
application, the buyer shall indemnify TEMIC 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.
TEMIC TELEFUNKEN microelectronic GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany
Telephone: 49 ( 0 ) 7131 67 2831, Fax number: 49 ( 0 ) 7131 67 2423
TELEFUNKEN Semiconductors
Rev. A2, 24-Jun-96
5 (5)
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