Website: www.kingtronics.com
Email: info@kingtronics.com
Tel: (852) 8106 7033
Fax: (852) 8106 7099
BZX55C
Silicon Planar Zener Diodes
FEATURES
◆
The Zener voltages are graded according to the
international E24 standard. Other tolerances and
higher Zener voltages are upon request.
Glass Case DO-35
Dimensions in mm
Absolute Maximum Ratings
T
a
=25℃
Glass Case DO-34
Dimensions in mm
PARAMETER
Power Dissipation
Junction Temperature
Storage Temperature Range
SYMBOL
P
tot
T
j
T
stg
VALUE
500
1)
175
-55 to + 175
UNIT
mW
℃
℃
1) Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case.
Characteristics at
T
a
=25℃
PARAMETER
Thermal Resistance Junction to Ambient Air
Forward Voltage at I
F
= 100 mA
1)
SYMBOL
R
thA
V
F
MAX
0.3
1)
1
UNIT
K/mW
V
Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case.
1
Website: www.kingtronics.com
Email: info@kingtronics.com
Tel: (852) 8106 7033
Fax: (852) 8106 7099
BZX55C
Zener Voltage Range 1)
TYPE
V
znom
(V)
BZX55C47
BZX55C51
BZX55C56
BZX55C62
BZX55C68
BZX55C75
47
51
56
62
68
75
V
ZT
(V)
44…50
48…54
52…60
58…66
64…72
70…79
at I
ZT
(mA)
2.5
2.5
2.5
2.5
2.5
2.5
Dynamic Resistance
Reverse Leakage Current
at
Temp. Coefficient
of Zener Voltage
TK
vz
(%/K)
0.04…0.12
0.04…0.12
0.04…0.12
0.04…0.12
0.04…0.12
0.04…0.12
Z
ZT
Max. (Ω)
110
125
135
150
200
250
Z
Zk
Max. (Ω)
600
700
700
1000
1000
1000
I
ZK
T
a
= 25℃
Max. (µA)
0.1
0.1
0.1
0.1
0.1
0.1
T
a
= 125℃
Max. (µA)
5
10
10
10
10
10
I
R
at V
R
(V)
36
39
43
47
51
56
(mA)
0.5
0.5
0.5
0.5
0.5
0.5
1) Tested with pulses t
p
= 20 ms.
2) The BZX55C0V8 is a silicon diode with operation in forward direction. Hence, the index of all parameters should be "F" instead
of "Z". Connect the cathode lead to the negative pole.
3
Website: www.kingtronics.com
Email: info@kingtronics.com
Tel: (852) 8106 7033
Fax: (852) 8106 7099
BZX55C
Note: Specifications are subject to change without notice.
4
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