BZT55C- Series
Features:
•
•
•
•
•
•
•
•
Zener voltage range 2 to 75 Volts.
Mini-MELF package.
Surface device type mounting.
Hermetically sealed glass.
Compression Bonded Construction.
All external surfaces are corrosion resistant and terminals are readily solderable.
Matte Tin (Sn) lead finish.
Blue color band indicates negative polarity.
Maximum Ratings and Electrical Characteristics
Type Number
Power Dissipation
Operating and Storage Temperature Range
Symbol
P
d
T
j
, T
stg
Value
500
-65 to + 200
Units
mW
°C
Notes : These ratings are limiting values above which the serviceability of the diode may be impaired.
Ratings and Characteristic Curves
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BZT55C- Series
V
z
at I
zt
(Volts)
Vz
Minimum
(V)
3.7
40
44
4.0
4.4
48
52
4.8
5.2
58
64
5.8
6.4
70
7.0
7.7
8.5
Vz
Maximum
(V)
4.1
46
50
4.6
5
54
60
5.4
6.0
66
72
6.6
7.2
80
7.9
8.7
9.6
I
zt
mA
5
2
2
5
5
2
2
5
5
2.5
2.5
5
5
2.5
5
5
5
Z
zt
at I
zt
Ω
Maximum
85
90
110
75
60
125
135
35
25
150
160
10
8
170
7
7
10
I
zk
mA
1
0.5
0.5
1
1
0.5
0.5
1
1
0.5
0.5
1
1
0.5
1
1
1
Z
zk
at I
zk
Ohms
600
600
700
600
600
700
1,000
550
450
1,000
1,000
200
150
1,000
50
50
50
I
r
at V
r
μA
Maximum
2
0.1
0.1
2
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
V
r
V
1
35
35
1
1
38
42
1
1
47
51
2
3
56
5
6.2
6.8
Part Number
BZT55C3V9
BZT55C43
BZT55C47
BZT55C4V3
BZT55C4V7
BZT55C51
BZT55C56
BZT55C5V1
BZT55C5V6
BZT55C62
BZT55C68
BZT55C6V2
BZT55C6V8
BZT55C75
BZT55C7V5
BZT55C8V2
BZT55C9V1
VF Forward Voltage = 1V Maximum at I
f
= 100mA for all types.
Notes : 1. The type numbers listed have zener voltage min/max limits as shown.
2. The zener impedance is derived from the 60-cycle ac voltage, which results when an ac current
having an rams value equal to 10% of the dc zener current
(I
zt
or I
zk
) is superimposed to I
zt
or I
zk
.
Important Notice :
This data sheet and its contents (the “Information”) belong to the members of the Premier Farnell group of companies (the “Group”) or are licensed to it. No licence is granted
for the use of it other than for information purposes in connection with the products to which it relates. No licence of any intellectual property rights is granted. The Information is subject to change
without notice and replaces all data sheets previously supplied. The Information supplied is believed to be accurate but the Group assumes no responsibility for its accuracy or completeness, any
error in or omission from it or for any use made of it. Users of this data sheet should check for themselves the Information and the suitability of the products for their purpose and not make any
assumptions based on information included or omitted. Liability for loss or damage resulting from any reliance on the Information or use of it (including liability resulting from negligence or where the
Group was aware of the possibility of such loss or damage arising) is excluded. This will not operate to limit or restrict the Group’s liability for death or personal injury resulting from its negligence.
Multicomp is the registered trademark of the Group. © Premier Farnell plc 2012.
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