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Continental Device India Limited
An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company
SILICON GLASS PASSIVATED 0.5WATT ZENER DIODES
BZX79C 2V4 to 51V
DO-35 500mW
These Zeners Are Best Suited for Industrial Purpose, Military & Space Applications
when Hermetcally Sealed in Glass with Double Stud This Glass Passivated Chip
Provides Excellent Stability & Reliability.
ABSOLUTE MAXIMUM RATINGS (Ta=25 deg C)
DESCRIPTION
SYMBOL
Power Dissipation
PD
Surge Power Dissipation @ tp=83ms
PDS
Operating & Storage Junction
Tj, Tstg
Temperature Range
Thermal Resistance Junction to Ambient (1) Rth(j-a)
ELECTRICAL CHARACTERISTICS (Ta=25 deg C Unless otherwise Specified)
Forward Voltage @ IF=200mA
VF
(1) On infinite Heatsink With 4mm Lead Length.
ELECTRICAL CHARACTERISTICS (Ta=25 deg C Unless otherwise Specified)
Device VZT @ IZT * rZT @ IZT rZK @ IZK Temp. Coeff
of
VZ
min max max max min max
(V) (V) (ohm) (mA) (ohm) (mA) (mV/deg C)
BZX79C 2V4 2.20 2.60 100
5.0 600 1.0 -3.5
0
BZX79C 2V7 2.50 2.90 100
5.0 600 1.0 -3.5
0
BZX79C 3V0 2.80 3.20 95
5.0 600 1.0 -3.5
0
BZX79C 3V3 3.10 3.50 95
5.0 600 1.0 -3.5
0
BZX79C 3V6 3.40 3.80 90
5.0 600 1.0 -3.5
0
BZX79C 3V9 3.70 4.10 90
5.0 600 1.0 -3.5
0
BZX79C 4V3 4.00 4.60 90
5.0 600 1.0 -3.5
0
BZX79C 4V7 4.40 5.00 80
5.0 500 1.0 -3.5
0.2
BZX79C 5V1 4.80 5.40 60
5.0 480 1.0 -2.7
1.2
BZX79C 5V6 5.20 6.00 40
5.0 400 1.0 -2.0
2.5
BZX79C 6V2 5.80 6.60 10
5.0 150 1.0 0.4 3.7
BZX79C 6V8 6.40 7.20 15
5.0 80 1.0 1.2 4.5
BZX79C 7V5 7.00 7.90 15
5.0 80 1.0 2.5 5.3
BZX79C 8V2 7.70 8.70 15
5.0 80 1.0 3.2 6.2
BZX79C 9V1 8.50 9.60 15
5.0 100 1.0 3.8 7
BZX79C 10 9.40 10.60 20
5.0 150 1.0 4.5 8
BZX79C 11 10.40 11.60 20
5.0 150 1.0 5.4 9
BZX79C 12 11.40 12.70 25
5.0 150 1.0
6.0 10
BZX79C 13 12.40 14.10 30
5.0 170 1.0
7.0 11
BZX79C 15 13.80 15.60 30
5.0 200 1.0
9.2 13
BZX79C 16 15.30 17.10 40
5.0 200 1.0 10.4 14
BZX79C 18 16.80 19.10 45
5.0 225 1.0 12.4 16
BZX79C 20 18.80 21.20 55
5.0 225 1.0 14.4 18
BZX79C 22 20.80 23.30 55
5.0 250 1.0 16.4 20
VALUE
500
5.0
-65 to +200
300
1.5
IR @
Tamb
25 deg C 150degC
max max
(uA)
(uA)
50 100
20 50
10 40
5.0 40
5.0 40
3.0 40
3.0 20
3.0 10
2.0 10
1.0 10
3.0 10
2.0 5.0
1.0 5.0
0.7 2.0
0.5 2.0
0.2 2.0
0.1 2.0
0.1 2.0
0.1 2.0
0.05 2.0
0.05 2.0
0.05 2.0
0.05 2.0
0.05 2.0
UNIT
mW
W
deg C
deg C/W
V
VR IZM
max
(V) (mA)
1.0 155
1.0 135
1.0 125
1.0 115
1.0 105
1.0 95
1.0 90
2.0 85
2.0 80
2.0 70
4.0 64
4.0 58
5.0 53
5.0 47
6.0 43
7.0 40
8.0 36
8.0 32
8.0 29
10 27
11 24
13 21
14 20
15 18
Continental Device India Limited
Data Sheet
Page 1 of 4

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ELECTRICAL CHARACTERISTICS (Ta=25 deg C Unless otherwise Specified)
Device VZT @ IZT * rZT @ IZT rZK @ IZK Temp. Coeff
of
VZ
min max max
max
min max
(V) (V) (ohm) (mA) (ohm) (mA) (mV/deg C)
BZX79C 24 22.80 25.60 70 5.0 250 1.0 18.4 22
BZX79C 27 25.10 28.90 80 2.0 300 0.5 21.4 25.3
BZX79C 30 28.00 32.00 80 2.0 300 0.5 24.4 29.4
BZX79C 33 31.00 35.00 80 2.0 325 0.5 27.4 33.4
BZX79C 36 34.00 38.00 90 2.0 350 0.5 30.4 37.4
BZX79C 39 37.00 41.00 130 2.0 350 0.5 33.4 41.2
BZX79C 43 40.00 46.00 150 2.0 375 0.5 37.6 46.6
BZX79C 47 44.00 50.00 170 2.0 375 0.5
42 51.8
BZX79C 51 48.00 54.00 180 2.0 400 0.5 46.6 57.2
*Pulse Condition : 20ms= tp=50ms . Duty Cycle=2%
IR @
VR
Tamb
25 deg C 150degC
max max
(uA)
(uA) (V)
0.05 2.0 17
0.05 2.0 19
0.05 2.0 21
0.05 2.0 23
0.05 2.0 25
0.05 2.0 27
0.05 2.0 29
0.05 2.0 33
0.05 2.0 36
IZM
max
(mA)
16
14
13
12
11
10
9.2
8.5
7.8
Continental Device India Limited
Data Sheet
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DO-35 Glass Axial Package
BZX79C 2V4 to 51V
DO-35 500mW
DO-35, 52mm Taping Specification
52mm Taping Specification
on request also available in 26 mm Tape and Ammo Pack
Packing Detail
PACKAGE
STANDARD PACK
INNER CARTON BOX
Details
Net Weight/Qty Size
Qty
OUTER CARTON BOX
Size Qty Qty
DO-35 T&A 5K/ammo box 0.88kg/5K pcs 10"X3.5"X3.5" 5.0K 12.7"X12.7"X20" 125.0K 25Kgs
Continental Device India Limited
Data Sheet
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Customer Notes
BZX79C 2V4 to 51V
DO-35 500mW
Disclaimer
The product information and the selection guides facilitate selection of the CDIL's 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 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 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, 4141 1112 Fax + 91-11-2579 5290, 4141 1119
email@cdil.com www.cdilsemi.com
Continental Device India Limited
Data Sheet
Page 4 of 4