Website: www.kingtronics.com
Email: info@kingtronics.com
Tel: (852) 8106 7033
Fax: (852) 8106 7099
BZX85C
Silicon Planar Power Zener Diodes
DO-41
FEATURES
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.
Absolute Maximum Ratings (T
a
= 25
℃
)
Parameter
Power Dissipation
Junction Temperature
Storage Temperature Range
1)
Glass case DO-41 Dimensions in mm
Symbol
Value
UNIT
W
℃
℃
P
tot
T
j
T
stg
1.3
1)
200
- 55 to + 200
Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature.
Characteristics at T
a
= 25
℃
Parameter
Thermal Resistance Junction to Ambient Air
Forward Voltage
at I
F
= 200 mA
1)
Symbol
Max.
130
1)
1.2
UNIT
R
thA
V
F
K/W
V
Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature.
1
Website: www.kingtronics.com
Email: info@kingtronics.com
Tel: (852) 8106 7033
Fax: (852) 8106 7099
BZX85C
Characteristics at Ta = 25℃
Zener Voltage
1)
Type
V
Znom
(V)
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
2.7
3
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
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
at I
ZT
(mA)
80
80
70
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
Z
ZT
Max.(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
Dynamic Resistance
at I
ZT
(mA)
80
80
70
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
Z
ZK
Max.(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
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
Reverse Current
I
R
Max.(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
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
2
Website: www.kingtronics.com
Email: info@kingtronics.com
Tel: (852) 8106 7033
Fax: (852) 8106 7099
BZX85C
Characteristics at Ta = 25℃
Zener Voltage
1)
Type
V
Znom
(V)
BZX85C39
BZX85C43
BZX85C47
BZX85C51
BZX85C56
BZX85C62
BZX85C68
BZX85C75
1)
Dynamic Resistance
at I
ZT
(mA)
6
6
4
4
4
4
4
4
Z
ZT
Max.(Ω)
50
50
90
115
120
125
130
135
at I
ZT
(mA)
6
6
4
4
4
4
4
4
Z
ZK
Max.(Ω)
1000
1000
1500
1500
2000
2000
2000
2000
at I
ZK
(mA)
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
Reverse Current
I
R
Max.(μA)
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
at V
R
(V)
30
33
36
39
43
47
51
56
V
ZT
(V)
37...41
40...46
44...50
48...54
52...60
58...66
64...72
70...79
39
43
47
51
56
62
68
75
Tested with pulses t
p
= 20 ms.
Breakdowm characteristics
at T
j
=constant (pulsed)
Breakdowm characteristics
at T
j
=constant (pulsed)
3
Website: www.kingtronics.com
Email: info@kingtronics.com
Tel: (852) 8106 7033
Fax: (852) 8106 7099
BZX85C
Admissible power dissipation Versus ambient temperature
Dynamic resistance versus Zener current
Valid provided that leads are kept at ambient
Temperature at a distance of 10 mm from case
Pulse thermal resistance versus pulse duration
Valid provided that leads are kept at ambient
Temperature at a distance of 10 mm from case
Dynamic resistance versus Zener current
Thermal resistance versus lead length
Dynamic resistance versus Zener current
Note: Specifications are subject to change without notice.
4
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