BZX85 Series
V
Z
Range: 3.6 to 200 Volts
Zener Diodes
Power Dissipation: 1.3W
Features
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. Replace suffix "C" with "B" for
±
2% tolerance.
Other voltage tolerances and other Zener voltages are available
upon request.
Mechanical Data
Case: DO-41Glass Case
Weight: approx. 0.35g
Maximum Ratings and Thermal Characteristics
(T
A
=25
o
C unless otherwise noted)
Parameter
Zener current (see Table "Characteristics")
Power dissipation at T
amb
=25
o
C
Thermal resistance junction to ambient air
Junction temperature
Storage temperature range
P
tot
R
θ
JA
T
j
T
S
1.3
130
(1)
Symbol
Value
Unit
W
o
(1)
C/W
o
175
-55 to +175
C
C
o
Notes:
1. Valid provided that leads at a distance of 10 mm from case are kept at ambient temperature.
549
Electrical Characteristics
(T
A
=25
o
C unless otherwise noted)
Maximum V
F
=1.0V at I
F
=200mA
Temp. coefficient
of z ener voltage
at I
Z
=I
ZT
α
vz (% /
o
C)
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
Min.
- 0.08
- 0.08
- 0.08
- 0.08
- 0.07
- 0.05
- 0.03
- 0.01
0
+0.01
+0.015
+0.02
+0.03
+0.035
+0.04
+0.045
+0.045
+0.05
+0.055
+0.055
+0.06
+0.06
+0.06
+0.06
+0.06
+0.06
+0.06
+0.06
+0.06
+0.06
+0.06
+0.06
+0.06
+0.06
0.055
0.055
0.055
0.055
0.055
0.055
0.055
0.055
0.055
0.050
0.050
0.050
Max.
- 0.06
- 0.06
- 0.06
- 0.05
- 0.02
+0.01
+0.04
+0.04
+0.045
+0.055
+0.06
+0.065
+0.07
+0.075
+0.08
+0.08
+0.085
+0.085
+0.09
+0.09
+0.09
+0.09
+0.095
+0.095
+0.095
+0.095
+0.095
+0.095
+0.095
+0.095
+0.095
+0.095
+0.095
+0.095
0.095
0.095
0.095
0.095
0.095
0.095
0.095
0.095
0.095
0.095
0.095
0.095
Type
number
y=C for
+
5%
y=B for
+
2%
BZX85 - y2V7
BZX85 - y3V0
BZX85 - y3V3
BZX85 - y3V6
BZX85 - y3V9
BZX85 - y4V3
BZX85 - y4V7
BZX85 - y5V1
BZX85 - y5V6
BZX85 - y6V2
BZX85 - y6V8
BZX85 - y7V5
BZX85 - y8V2
BZX85 - y9V1
BZX85 - y10
BZX85 - y11
BZX85 - y12
BZX85 - y13
BZX85 - y15
BZX85 - y16
BZX85 - y18
BZX85 - y20
BZX85 - y22
BZX85 - y24
BZX85 - y27
BZX85 - y30
BZX85 - y33
BZX85 - y36
BZX85 - y39
BZX85 - y43
BZX85 - y47
BZX85 - y51
BZX85 - y56
BZX85 - y62
BZX85 - y68
BZX85 - y75
BZX85 - y82
BZX85 - y91
BZX85 - y100
BZX85 - y110
BZX85 - y120
BZX85 - y130
BZX85 - y150
BZX85 - y160
BZX85 - y180
BZX85 - y200
Dynamic resistance
r
ZT (3)
(Ω)
Ω
< 20
< 20
< 20
< 15
< 15
< 13
< 13
< 10
<7
<4
< 3.5
<3
<5
<5
<7
<8
<9
< 10
< 10
< 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
at
I
ZT
(mA)
60
60
60
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
2.7
2.7
2.7
2.7
2
2
2
1.5
1.5
1.5
r
ZK (3)
(Ω)
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
Reverse leakage current
at
I
R
(uA)
-
-
-
< 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
(Volts)
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
62
68
75
82
91
100
110
120
130
150
Admissible
z ener current
(2)
I
Z
(mA)
-
-
-
290
280
250
215
200
190
170
155
140
130
120
105
97
88
79
71
66
62
56
52
47
41
36
33
30
28
26
23
21
19
16
15
14
12
10
9.4
8.6
7.8
7.0
6.4
5.8
5.2
4.7
at t
p
=10ms
I
ZSM
(mA)
-
-
-
2660
2540
2440
2320
2200
2080
1960
1800
1620
1520
1340
1200
1100
1000
900
760
700
600
540
500
450
400
380
350
320
296
270
246
226
208
186
171
161
141
127
116
105
96
89
77
72
64
58
Notes:
1. Measured with pulses t
p
=5 ms
2. Valid provided that leads are kept at ambient temperature at a distance of 10 mm from case
3. Measured with f=1 kHz
550
Electrical Characteristics
(T
A
=25
o
C unless otherwise noted)
Zener voltage
range
(1)
at I
Z
V
Z
(Volts)
Min.
2.50
2.80
3.10
3.40
3.70
4.00
4.40
4.80
5.20
5.80
6.40
7.00
7.70
8.50
9.40
10.4
11.4
12.4
13.8
15.3
16.8
18.8
20.8
22.8
25.1
28.0
31.0
34.0
37.0
40.0
44.0
48.0
52.0
58.0
64.0
70.0
77.0
85.0
94.0
104
114
124
138
153
168
188
Max.
2.90
3.20
3.50
3.80
4.10
4.60
5.00
5.40
6.00
6.60
7.20
7.90
8.70
9.60
10.6
11.6
12.7
14.1
15.6
17.1
19.1
21.2
23.3
25.6
28.9
32.0
35.0
38.0
41.0
46.0
50.0
54.0
60.0
66.0
72.0
80.0
87.0
96.0
106
116
127
141
156
171
191
212
Test current
I
Z
(mA)
60
60
60
60
60
50
45
45
45
35
35
35
25
25
25
20
20
20
15
15
15
10
10
10
8.0
8.0
8.0
8.0
6.0
6.0
4.0
4.0
4.0
4.0
4.0
4.0
2.7
2.7
2.7
2.7
2.0
2.0
2.0
1.5
1.5
1.5
Zener voltage
range
(1)
at I
Z
V
Z
(Volts)
Min.
2.35
2.94
3.23
3.53
3.82
4.21
4.61
5.00
5.49
6.08
6.66
7.35
8.04
8.92
9.80
10.8
11.8
12.7
14.7
15.7
17.6
19.6
21.6
23.5
26.5
29.4
32.3
35.3
38.2
42.1
46.1
50.0
54.9
60.8
66.6
73.5
80.4
89.2
98.0
108
118
127
147
157
176
196
Max.
2.45
3.06
3.37
3.67
3.98
4.39
4.79
5.20
5.71
6.32
6.94
7.65
8.36
9.28
10.2
11.2
12.2
13.3
15.3
16.3
18.4
20.4
22.4
24.5
27.5
30.6
33.7
36.7
39.8
43.9
47.9
52.0
57.1
63.2
69.4
76.5
83.6
92.8
102
112
122
133
153
163
184
204
Test current
I
Z
(mA)
60
60
60
60
60
50
45
45
45
35
35
35
25
25
25
20
20
20
15
15
15
10
10
10
8.0
8.0
8.0
8.0
6.0
6.0
4.0
4.0
4.0
4.0
4.0
4.0
2.7
2.7
2.7
2.7
2.0
2.0
2.0
1.5
1.5
1.5
Type
number
+
5% Tol.
BZX85-C2V7
BZX85-C3V0
BZX85-C3V3
BZX85-C3V6
BZX85-C3V9
BZX85-C4V3
BZX85-C4V7
BZX85-C5V1
BZX85-C5V6
BZX85-C6V2
BZX85-C6V8
BZX85-C7V5
BZX85-C8V2
BZX85-C9V1
BZX85-C10
BZX85-C11
BZX85-C12
BZX85-C13
BZX85-C15
BZX85-C16
BZX85-C18
BZX85-C20
BZX85-C22
BZX85-C24
BZX85-C27
BZX85-C30
BZX85-C33
BZX85-C36
BZX85-C39
BZX85-C43
BZX85-C47
BZX85-C51
BZX85-C56
BZX85-C62
BZX85-C68
BZX85-C75
BZX85-C82
BZX85-C91
BZX85-C100
BZX85-C110
BZX85-C120
BZX85-C130
BZX85-C150
BZX85-C160
BZX85-C180
BZX85-C200
Type
number
+
2% Tol.
BZX85-B2V7
BZX85-B3V0
BZX85-B3V3
BZX85-B3V6
BZX85-B3V9
BZX85-B4V3
BZX85-B4V7
BZX85-B5V1
BZX85-B5V6
BZX85-B6V2
BZX85-B6V8
BZX85-B7V5
BZX85-B8V2
BZX85-B9V1
BZX85-B10
BZX85-B11
BZX85-B12
BZX85-B13
BZX85-B15
BZX85-B16
BZX85-B18
BZX85-B20
BZX85-B22
BZX85-B24
BZX85-B27
BZX85-B30
BZX85-B33
BZX85-B36
BZX85-B39
BZX85-B43
BZX85-B47
BZX85-B51
BZX85-B56
BZX85-B62
BZX85-B68
BZX85-B75
BZX85-B82
BZX85-B91
BZX85-B100
BZX85-B110
BZX85-B120
BZX85-B130
BZX85-B150
BZX85-B160
BZX85-B180
BZX85-B200
Notes:
1. Measured with pulses t
p
=5 ms
551
PCB Design
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