Continental Device India Limited
An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company
SURFACE MOUNT SILICON ZENER DIODES
BZT55C 3V3 to 68V
QUADRO MELF
(LS-34)
Polarity: Cathode is indicated by a band
Voltage Stabilization Applications
ABSOLUTE MAXIMUM RATINGS (T
j
=25ºC)
SYMBOL
DESCRIPTION
Power Dissipation
P
D
(R
th (j-a)
< 300K/W)
I
Z
Z-Current
Maximum Forward Voltage
@ I
F=
200mA
Junction Temperature
Storage Temperature Range
THERMAL RESISTANCE
Junction to Ambient in Free
Air
* On PC Board 50mm x 50mm x 1.6mm
ELECTRICAL CHARACTERISTICS (T
j
=25°C unless specified otherwise)
Zener Voltage
Device #
*V
Z
@ I
ZT
(V)
BZT55C 3V3
BZT55C 3V6
BZT55C 3V9
BZT55C 4V3
BZT55C 4V7
BZT55C 5V1
BZT55C 5V6
BZT55C 6V2
BZT55C 6V8
BZT55C 7V5
BZT55C 8V2
BZT55C 9V1
BZT55C 10
BZT55C 11
BZT55C 12
BZT55C 13
BZT55C 15
*T
P
/T<100ms
BZT55C3V9_68V Rev080405E
Continental Device India Limited
VALUE
500
P
D
/V
Z
1.5
175
- 65 to +175
UNIT
mW
mA
V
°C
°C
V
F
T
j
T
stg
*R
th (j-a)
500
K/W
V
F
@ 200mA <1.5V
TK
VZ
%/K
- 0.08 to -0.05
- 0.08 to -0.05
- 0.08 to -0.05
- 0.06 to -0.03
- 0.05 to +0.02
- 0.02 to +0.02
0.05 to +0.05
0.03 to 0.06
0.03 to 0.07
0.03 to 0.07
0.03 to 0.08
0.03 to 0.09
0.03 to 0.10
0.03 to 0.11
0.03 to 0.11
0.03 to 0.11
0.03 to 0.11
Zener Impedance
Z
ZT @
I
ZT
(Ω)
Ω
max
90
90
90
90
80
60
40
10
8
7
7
10
15
20
20
26
30
(mA)
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
Z
ZK
(Ω)
Ω
max
600
600
600
600
600
550
450
200
150
50
50
50
70
70
90
110
110
@
Reverse Leakage Current
I
ZK
(mA)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
I
R
@ 25ºC
(µA)
µ
max
2.0
2.0
2.0
1.0
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
I
R
@ 150ºC
(µA)
µ
max
40
40
40
20
10
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
V
R
(V)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
3.0
5.0
6.2
6.8
7.5
8.2
9.1
10
11
min
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
10.40
11.40
12.40
13.80
max
3.50
3.80
4.10
4.60
5.00
5.40
6.00
6.60
7.20
7.90
8.70
9.60
10.60
11.60
12.70
14.10
15.60
Data Sheet
Page 1 of 5
SURFACE MOUNT SILICON ZENER DIODES
BZT55C 3V3 to 68V
QUADRO MELF
(LS-34)
ELECTRICAL CHARACTERISTICS (T
a
=25°C unless specified otherwise)
V
F
@ 200mA <1.5V
Zener Impedance
Zener Voltage
Reverse Leakage Current
Z
ZT @
I
ZT
Z
ZK @
I
ZK
I
R
@ 25ºC I
R
@ 150ºC
V
R
*V
Z
@ I
ZT
Device #
(V)
(mA)
(mA)
(V)
(Ω)
Ω
(Ω)
Ω
(µA)
µ
(µA)
µ
min
max
max
max
max
max
15.30
12
BZT55C 16
17.10
40
5.0
170
1.0
0.1
2.0
16.80
13
BZT55C 18
19.10
50
5.0
170
1.0
0.1
2.0
BZT55C 20
18.80
15
21.20
55
5.0
220
1.0
0.1
2.0
20.80
16
BZT55C 22
23.30
55
5.0
220
1.0
0.1
2.0
BZT55C 24
22.80
18
25.60
80
5.0
220
1.0
0.1
2.0
20
25.10
BZT55C 27
28.90
80
5.0
220
1.0
0.1
2.0
BZT55C 30
28.00
22
32.00
80
5.0
220
1.0
0.1
2.0
BZT55C 33
31.00
35.00
80
5.0
220
1.0
0.1
2.0
24
BZT55C 36
34.00
38.00
80
5.0
220
1.0
0.1
2.0
27
37.00
BZT55C 39
41.00
90
2.5
500
0.5
0.1
5.0
30
BZT55C 43
40.00
46.00
90
2.5
600
0.5
0.1
5.0
33
BZT55C 47
44.00
50.00
110
2.5
700
0.5
0.1
5.0
36
BZT55C 51
48.00
54.00
125
2.5
700
0.5
0.1
10
39
BZT55C 56
52.00
60.00
135
2.5
1000
0.5
0.1
10
43
BZT55C 62
58.00
66.00
150
2.5
1000
0.5
0.1
10
47
BZT55C 68
64.00
72.00
200
2.5
1000
0.5
0.1
10
51
*T
P
/T<100ms
BZT55C3V9_68V Rev080405E
TK
VZ
%/K
0.03 to 0.11
0.03 to 0.11
0.03 to 0.11
0.04 to 0.12
0.04 to 0.12
0.04 to 0.12
0.04 to 0.12
0.04 to 0.12
0.04 to 0.12
0.04 to 0.12
0.04 to 0.12
0.04 to 0.12
0.04 to 0.12
0.04 to 0.12
0.04 to 0.12
0.04 to 0.12
Continental Device India Limited
Data Sheet
Page 2 of 5
BZT55C 3V3 to 68V
QUADRO MELF
(LS-34)
BZT55C3V9_68V Rev080405E
Continental Device India Limited
Data Sheet
Page 3 of 5
BZT55C 3V3 to 68V
QUADRO MELF
(LS-34)
BZT55C3V9_68V Rev080405E
Continental Device India Limited
Data Sheet
Page 4 of 5
Customer Notes
BZT55C 3V3 to 68V
QUADRO MELF
(LS-34)
Disclaimer
The product information and the selection guides facilitate selection of the CDIL's Discrete Semiconductor Device(s) best suited for
application in your product(s) as per your requirement. It is recommended that you completely review our Data Sheet(s) so as to
confirm that the Device(s) meet functionality parameters for your application. The information furnished in the Data Sheet and on
the CDIL Web Site/CD are believed to be accurate and reliable. CDIL however, does not assume responsibility for inaccuracies or
incomplete information. Furthermore, CDIL does not assume liability whatsoever, arising out of the application or use of any CDIL
product; neither does it convey any license under its patent rights nor rights of others. These products are not designed for use in life
saving/support appliances or systems. CDIL customers selling these products (either as individual Discrete Semiconductor Devices
or incorporated in their end products), in any life saving/support appliances or systems or applications do so at their own risk and
CDIL will not be responsible for any damages resulting from such sale(s).
CDIL strives for continuous improvement and reserves the right to change the specifications of its products without prior notice.
CDIL is a registered Trademark of
Continental Device India Limited
C-120 Naraina Industrial Area, New Delhi 110 028, India.
Telephone + 91-11-2579 6150, 5141 1112 Fax + 91-11-2579 5290, 5141 1119
email@cdil.com
www.cdilsemi.com
BZT55C3V9_68V Rev080405E
Continental Device India Limited
Data Sheet
Page 5 of 5
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