BZX85C
SILICON PLANAR POWER ZENER DIODES
for use in stabilizing and clipping circuits with high
power rating.
The Zener voltages are graded according to the
international E 24 standard. Other tolerances and
higher Zener voltages are upon request.
Black
Cathode Band
Black
Part No.
Black
"ST" Brand
Max. 0.7
Max. 2.8
Min. 25.4
XXX
ST
Max. 4.2
Min. 25.4
Glass Case DO-41
Dimensions in mm
Absolute Maximum Ratings (T
a
= 25
O
C)
Parameter
Power Dissipation
Junction Temperature
Storage Temperature Range
1)
Symbol
P
tot
T
j
T
S
Value
1.3
1)
Unit
W
O
200
- 55 to + 200
C
C
O
Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature.
Characteristics at T
a
= 25
O
C
Parameter
Thermal Resistance Junction to Ambient Air
Forward Voltage
at I
F
= 200 mA
1)
Symbol
R
thA
V
F
Max.
130
1)
1.2
Unit
K/W
V
Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature.
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 12/06/2007
BZX85C
Zener Voltage Range
1)
Type
V
Znom
V
l
ZT
mA
for
V
ZT
V
2.5...2.9
2.8...3.2
3.1...3.5
3.4...3.8
3.7...4.1
4...4.6
4.4...5
4.8...5.4
5.2...6
5.8...6.6
6.4...7.2
7...7.9
7.7...8.7
8.5...9.6
9.4...10.6
10.4...11.6
11.4...12.7
12.4...14.1
13.8...15.6
15.3...17.1
16.8...19.1
18.8...21.2
20.8...23.3
22.8...25.6
25.1...28.9
28...32
31...35
34...38
37...41
40...46
44...50
48...54
52...60
58...66
64...72
70...79
77...87
85...96
94...106
104...116
114...127
124...141
138...156
153...171
168...191
188...212
Maximum Dynamic Resistance
r
ZJT
Ω
20
20
20
15
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
200
250
350
450
550
700
1000
1100
1200
1500
r
ZJK
Ω
400
400
400
500
500
500
600
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
3000
3000
3000
4000
4500
5000
6000
6500
7000
8000
at I
ZK
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
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
Maximum Reverse
Leakage Current
I
R
µA
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
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
at V
R
V
1
1
1
1
1
1
1
1.5
2
3
4
4.5
6.2
6.8
7
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
82
91
100
110
120
130
150
BZX85C2V7
2.7
80
BZX85C3V0
3.0
80
BZX85C3V3
3.3
70
BZX85C3V6
3.6
60
BZX85C3V9
3.9
60
BZX85C4V3
4.3
50
BZX85C4V7
4.7
45
BZX85C5V1
5.1
45
BZX85C5V6
5.6
45
BZX85C6V2
6.2
35
BZX85C6V8
6.8
35
BZX85C7V5
7.5
35
BZX85C8V2
8.2
25
BZX85C9V1
9.1
25
BZX85C10
10
25
BZX85C11
11
20
BZX85C12
12
20
BZX85C13
13
20
BZX85C15
15
15
BZX85C16
16
15
BZX85C18
18
15
BZX85C20
20
10
BZX85C22
22
10
BZX85C24
24
10
BZX85C27
27
8
BZX85C30
30
8
BZX85C33
33
8
BZX85C36
36
8
BZX85C39
39
6
BZX85C43
43
6
BZX85C47
47
4
BZX85C51
51
4
BZX85C56
56
4
BZX85C62
62
4
BZX85C68
68
4
BZX85C75
75
4
BZX85C82
82
2.7
BZX85C91
91
2.7
BZX85C100
100
2.7
BZX85C110
110
2.7
BZX85C120
120
2
BZX85C130
130
2
BZX85C150
150
2
BZX85C160
160
1.5
BZX85C180
180
1.5
BZX85C200
200
1.5
1)
Tested with pulses t
p
= 20 ms.
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 12/06/2007
BZX85C
Breakdown characteristics
at Tj=constant (pulsed)
mA
240
C3V9
200
C5V6
Iz
160
C6V8
C8V2
120
C10
C12
80
C4V7
BZX 85...
Tj=25
o
C
C15
40
C18
C22
0
0
1
2
3
4
5
6
7
8
9
10
Vz
11
12
13
14
15
16
17
18
19
20
21
22
23
24V
Breakdown characteristics
at Tj=constant (pulsed)
mA
50
Iz
40
C33
C39
30
C47
C68
C27
Tj=25
o
C
BZX 85...
20
C 75
C 91
10
0
20
25
30
35
40
45
50
55
60
Vz
65
70
75
80
85
90
95V
Admissible power dissipation
Versus ambient temperature
Valid provided that leads are kept at ambient
Temperature at a distance of 10 mm from case
w
P
tot
T
amb
SEMTECH ELECTRONICS LTD.
®
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
Dated : 12/06/2007
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