VISHAY BZX85C75

BZX85C...
Vishay Telefunken
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
94 9369
Voltage stabilization
Absolute Maximum Ratings
Tj = 25_C
Parameter
Power dissipation
Junction temperature
Storage temperature range
Test Conditions
l=4mm, TL=25°C
Type
Symbol
PV
Tj
Tstg
Value
1.3
175
–65...+175
Unit
W
°C
°C
Maximum Thermal Resistance
Tj = 25_C
Parameter
Junction ambient
Test Conditions
l=4mm, TL=constant
Symbol
RthJA
Value
110
Unit
K/W
Electrical Characteristics
Tj = 25_C
Parameter
Forward voltage
Document Number 85608
Rev. 3, 01-Apr-99
Test Conditions
IF=200mA
Type
Symbol
VF
Min
Typ
Max
1
Unit
V
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1 (5)
BZX85C...
Vishay Telefunken
Type
BZX85C...
2V7
3V0
3V3
3V6
3V9
4V3
4V7
5V1
5V6
6V2
6V8
7V5
8V2
9V1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
VZnom
V
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
IZT
mA
80
80
80
60
60
50
45
45
45
35
35
35
25
25
25
20
20
20
15
15
15
10
10
10
8
8
8
8
6
6
4
4
4
4
4
4
for VZT and
V 1)
2.5 to 2.9
2.8 to 3.2
3.1 to 3.5
3.4 to 3.8
3.7 to 4.1
4.0 to 4.6
4.4 to 5.0
4.8 to 5.4
5.2 to 6.0
5.8 to 6.6
6.4 to 7.2
7.0 to 7.9
7.7 to 8.7
8.5 to 9.6
9.4 to 10.6
10.4 to 11.6
11.4 to 12.7
12.4 to 14.1
13.8 to 15.6
15.3 to 17.1
16.8 to 19.1
18.8 to 21.2
20.8 to 23.3
22.8 to 25.6
25.1 to 28.9
28 to 32
31 to 35
34 to 38
37 to 41
40 to 46
44 to 50
48 to 54
52 to 60
58 to 66
64 to 72
70 to 79
rzjT
W
< 20
< 20
< 20
< 20
< 15
< 13
< 13
< 10
<7
<4
< 3.5
<3
<5
<5
<7
<8
<9
< 10
< 15
< 15
< 20
< 24
< 25
< 25
< 30
< 30
< 35
< 40
< 50
< 50
< 90
< 115
< 120
< 125
< 130
< 135
rzjk at
W
< 400
< 400
< 400
< 500
< 500
< 500
< 500
< 500
< 400
< 300
< 300
< 200
< 200
< 200
< 200
< 300
< 350
< 400
< 500
< 500
< 500
< 600
< 600
< 600
< 750
< 1000
< 1000
< 1000
< 1000
< 1000
< 1500
< 1500
< 2000
< 2000
< 2000
< 2000
IZK
mA
1
1
1
1
1
1
1
1
1
1
1
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
IR at
mA
< 150
< 100
< 40
< 20
< 10
<3
<3
<1
<1
<1
<1
<1
<1
<1
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
VR
V
1
1
1
1
1
1
1
1.5
2
3
4
4.5
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
TKVZ
%/K
–0.08 to –0.05
–0.08 to –0.05
–0.08 to –0.05
–0.08 to –0.05
–0.07 to –0.02
–0.07 to –0.01
–0.03 to +0.04
–0.01 to +0.04
0 to +0.045
+0.01 to +0.055
+0.015 to +0.06
+0.02 to +0.065
0.03 to 0.07
0.035 to 0.075
0.04 to 0.08
0.045 to 0.08
0.045 to 0.085
0.05 to 0.085
0.055 to 0.09
0.055 to 0.09
0.06 to 0.09
0.06 to 0.09
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
0.06 to 0.095
1)
Tighter tolerances available on request:
BZX85B... ± 2% of VZnom
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Document Number 85608
Rev. 3, 01-Apr-99
BZX85C...
Vishay Telefunken
Characteristics (Tj = 25_C unless otherwise specified)
1000
C D – Diode Capacitance ( pF )
Ptot – Total Power Dissipation ( W )
2.0
1.6
1.2
l=4mm
0.8
l=10mm
l=20mm
0.4
0
–50
0
50
100
150
f = 1 MHz
Tamb= 25°C
0
10
20
30
40
50
60
VZ – Z-Voltage ( V )
95 9616
Figure 3. Diode Capacitance vs. Z–Voltage
1000
250
r Z – Differential Z-Resistance ( W )
R thJA – Therm. Resist. Junction / Ambient ( K/W )
10
200
Figure 1. Total Power Dissipation vs. Ambient Temperature
200
150
l
l
100
50
IZ=1mA
2mA
100
5mA
10mA
20mA
10
1
TL=constant
0
0
5
10
15
20
25
1
30
95 9615
l – Lead Length ( mm )
95 9613
Z thp – Thermal Resistance for Pulse Cond. (K/W)
VR = 0V
VR = 2V
VR = 5V
VR = 20V
VR = 30V
1
Tamb – Ambient Temperature ( °C )
95 9612
100
10
100
VZ – Z-Voltage ( V )
Figure 4. Differential Z–Resistance vs. Z–Voltage
Figure 2. Thermal Resistance vs. Lead Length
1000
tp/T=0.01
tp/T=0.1
100
tp/T=0.5
RthJA=110K/W
DT=Tjmax–Tamb
tp/T=0.02
tp/T=0.05
tp/T=0.2
10
Single Pulse
iZM=(–VZ+(VZ2+4rzj
1
10–1
100
101
102
DT/Zthp)1/2)/(2rzj)
103
tp – Pulse Length ( ms )
95 9614
Figure 5. Thermal Response
Document Number 85608
Rev. 3, 01-Apr-99
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3 (5)
BZX85C...
Vishay Telefunken
Dimensions in mm
Cathode Identification
technical drawings
according to DIN
specifications
94 9368
∅ 0.85 max.
∅ 2.5 max.
Standard Glass Case
54 B 2 DIN 41880
JEDEC DO 41
Weight max. 0.3 g
26 min.
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4 (5)
4.1 max.
26 min.
Document Number 85608
Rev. 3, 01-Apr-99
BZX85C...
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 85608
Rev. 3, 01-Apr-99
www.vishay.de • FaxBack +1-408-970-5600
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