BZX85-Series
Vishay Semiconductors
Zener Diodes
Features
• Silicon Planar Power Zener Diodes
• For use in stabilizing and clipping circuits
e2
with high power rating
• The Zener voltages are graded according to the
international E 24 standard. Replace suffix "C"
with "B" for ± 2 % tolerance
• Lead (Pb)-free component
• Component in accordance to RoHS
2002/95/EC and WEEE 2002/96/EC
17173
Applications
• Voltage stabilization
Mechanical Data
Case:
DO41 Glass case
Weight:
approx. 310 mg
Cathode Band Color:
black
Packaging Codes/Options:
TR/5 k per 13" reel (52 mm tape), 25 k/box
TAP/5 k per ammo pack (52 mm tape), 25 k/box
Absolute Maximum Ratings
T
amb
= 25 °C, unless otherwise specified
Parameter
Zener current
(see Table "Electrical Characteristics")
Power dissipation
1)
Test condition
Symbol
Value
Unit
P
tot
1.3
1)
W
Valid provided that leads at a distance of 4 mm from case are kept at ambient temperature
Thermal Characteristics
T
amb
= 25 °C, unless otherwise specified
Parameter
Thermal resistance junction to ambient air
Junction temperature
Storage temperature
1)
Test condition
Symbol
R
thJA
T
j
T
stg
Value
110
1)
175
- 55 to + 175
Unit
K/W
°C
°C
Valid provided that leads at a distance of 4 mm from case are kept at ambient temperature
Document Number 85607
Rev. 1.8, 31-May-07
www.vishay.com
1
BZX85-Series
Vishay Semiconductors
Electrical Characteristics
Partnumber
Zener Voltage
Range
1)
Dynamic Resistance
Temperature
Coefficient
of
Zener Voltage
at I
ZK
mA
min
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
α
VZ
at I
Z
= I
ZT
%/°C
max
- 0.05
- 0.05
- 0.05
- 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
- 0.08
- 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
Reverse Leakage Admissible Zener
Current
Current
2)
V
Z
at I
ZT
V
min
BZX85C2V7
BZX85C3V0
BZX85C3V3
BZX85C3V6
BZX85C3V9
BZX85C4V3
BZX85C4V7
BZX85C5V1
BZX85C5V6
BZX85C6V2
BZX85C6V8
BZX85C7V5
BZX85C8V2
BZX85C9V1
BZX85C10
BZX85C11
BZX85C12
BZX85C13
BZX85C15
BZX85C16
BZX85C18
BZX85C20
BZX85C22
BZX85C24
BZX85C27
BZX85C30
BZX85C33
BZX85C36
BZX85C39
BZX85C43
BZX85C47
BZX85C51
BZX85C56
BZX85C62
BZX85C68
BZX85C75
BZX85C82
BZX85C91
BZX85C100
1)
2)
3)
r
ZT3)
Ω
at I
ZT
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
2.7
2.7
2.7
r
ZK3)
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
at 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
at V
R
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
62
68
75
I
Z
mA
360
330
300
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
max
2.9
3.2
3.5
3.8
4.1
4.6
5
5.4
6
6.6
7.2
7.9
8.7
9.6
10.6
11.6
12.7
14.1
15.6
17.1
19.1
21.2
23.3
25.6
28.9
32
35
38
41
46
50
54
60
66
72
80
87
96
106
< 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
< 200
< 250
< 350
2.5
2.8
3.1
3.4
3.7
4
4.4
4.8
5.2
5.8
6.4
7
7.7
8.5
9.4
10.4
11.4
12.4
13.8
15.3
16.8
18.8
20.8
22.8
25.1
28
31
34
37
40
44
48
52
58
64
70
77
85
96
Measured with pulses t
p
= 5 ms
Valid provided that leads are kept at ambient temperature at a distance of 10 mm from case
Measured with f = 1 kHz
www.vishay.com
2
Document Number 85607
Rev. 1.8, 31-May-07
BZX85-Series
Vishay Semiconductors
Electrical Characteristics
Partnumber
Zener Voltage
Range
1)
Dynamic Resistance
Temperature
Coefficient
of
Zener Voltage
at I
ZK
mA
min
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
α
VZ
at I
Z
= I
ZT
%/°C
max
- 0.05
- 0.05
- 0.05
- 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
- 0.08
- 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
Reverse Leakage Admissible Zener
Current
Current
2)
V
Z
at I
ZT
V
min
BZX85B2V7
BZX85B3V0
BZX85B3V3
BZX85B3V6
BZX85B3V9
BZX85B4V3
BZX85B4V7
BZX85B5V1
BZX85B5V6
BZX85B6V2
BZX85B6V8
BZX85B7V5
BZX85B8V2
BZX85B9V1
BZX85B10
BZX85B11
BZX85B12
BZX85B13
BZX85B15
BZX85B16
BZX85B18
BZX85B20
BZX85B22
BZX85B24
BZX85B27
BZX85B30
BZX85B33
BZX85B36
BZX85B39
BZX85B43
BZX85B47
BZX85B51
BZX85B56
BZX85B62
BZX85B68
BZX85B75
BZX85B82
BZX85B91
BZX85B100
1)
2)
3)
r
ZT3)
Ω
at I
ZT
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
2.7
2.7
2.7
r
ZK3)
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
at 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
at V
R
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
62
68
75
I
Z
mA
360
330
300
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
max
2.76
3.06
3.36
3.67
3.98
4.39
4.79
5.2
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
57.1
63.2
69.4
76.5
83.6
92.8
102
< 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
< 200
< 250
< 350
2.64
2.94
2.24
3.53
3.82
4.21
4.61
5
5.49
6.08
6.66
7.35
8.04
8.92
9.8
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
54.9
60.8
66.6
73.5
80.4
89.2
98
Measured with pulses t
p
= 5 ms
Valid provided that leads are kept at ambient temperature at a distance of 10 mm from case
Measured with f = 1 kHz
Document Number 85607
Rev. 1.8, 31-May-07
www.vishay.com
3
BZX85-Series
Vishay Semiconductors
Typical Characteristics
T
amb
= 25 °C, unless otherwise specified
°C/W
10
3
5
4
3
2
°C/W
200
r
thA
10
2
5
4
3
2
0.5
R
thA
100
0.2
max.
typ.
10
1
0.1
5 0.05
4
3 0.02
2
0.01
t
P
v
=
T
P
___
t
T
P
I
0
10
-1
t
P
1
10 s
18458
10
-5
10
-4
10
-3
10
-2
0
10
20
lead length
30 mm
18461
Figure 1. Pulse Thermal Resistance vs. Pulse Duration
Figure 4. Thermal Resistance vs. Lead Length
Ω
10
3
7
5
4
3
2
W
2
r
zj
P
tot
56
10
2
7
5
4
3
2
43
1
10
0.1
0
2
3 4 5
1
2
3 4 5
10 mA
18459
0
100
T
amb
200 °C
18462
I
Z
Figure 2. Dynamic Resistance vs. Zener Current
Figure 5. Admissible Power Dissipation vs. Ambient Temperature
Ω
100
7
5
4
3
2
Ω
10
3
5
4
3
2
r
zj
r
zj
43
36
30
24
22
18
10
2
5
4
3
2
5V1
4V3
18
12
10
7
5
4
3
2
10
5
4
3
2
6V2
10
7V5
1
1
1
2
3 4 5
10
2
3 4 5
100 mA
18460
1
2
3 4 5 7
10
2
3 4 5
7
100 mA
I
Z
I
Z
18463
Figure 3. Dynamic Resistance vs. Zener Current
Figure 6. Dynamic Resistance vs. Zener Current
www.vishay.com
4
Document Number 85607
Rev. 1.8, 31-May-07
BZX85-Series
Vishay Semiconductors
mA
240
200
I
Z
160
120
80
40
0
0
1
2
3
4
5
6
7
8
9
V
Z
Figure 7. Breakdown Characteristics
3V9
4V7
5V6
6V8
8V2
10
12
T
j
= 25 °C
10 11 12 13 14 15
V
18456
mA
60
50
I
Z
40
33
15
18
22
27
T
j
= 25 °C
30
20
10
0
0
5
10
15
20
25
30
V
Z
Figure 8. Breakdown Characteristics
39
47
35
40
45 50
V
18457
Package Dimensions
in millimeters (inches)
94 9368
Document Number 85607
Rev. 1.8, 31-May-07
www.vishay.com
5
