Continental Device India Limited
An IS/ISO 9002 and IECQ Certified Manufacturer
SILICON 400mW ZENER DIODES 6.8V TO 47V
1N957B to 1N977B
DO- 35
Glass Axial Package
Hermetically Sealed Glass Package Zener Diodes
ABSOLUTE MAXIMUM RATINGS (T
a
=25ºC unless specified otherwise )
V
mW
mW/ºC
ºC
ELECTRICAL CHARACTERISTICS (T
a
=25ºC unless specified otherwise )
<
1.5V max @ I
F
=200mA
Device * Nominal Zener Max DC Max. Surge Max Temp.
(Note 1) Zener Test Zener Current Current Coefficient
Voltage Current (Recurrent) Voltage
V
Z
@ I
ZT
I
ZT
Z
ZT
@
I
ZM
I
Z
( Surge)
Vz
I
ZT
Z
ZK
I
ZK
(Volts) (mA) (ΩΩ) (ΩΩ)(mA) (µµA) (Volts) (mA) (mA) % / ºC
1N957B 6.8 18.5 4.5 700 1.0 150 5.2 55 300 +0.05
1N958B 7.5 16.5 5.5 700 0.5 75 5.7 50 275 +0.058
1N959B 8.2 15 6.5 700 0.5 50 6.2 45 250 +0.065
1N960B 9.1 14 7.5 700 0.5 25 6.9 41 225 +0.068
1N961B 10 12.5 8.5 700 0.25 10 7.6 38 200 +0.075
1N962B 11 11.5 9.5 700 0.25 58.4 32 175 +0.076
1N963B 12 10.5 11.5 700 0.25 59.1 31 160 +0.077
1N964B 13 9.5 13 700 0.25 59.9 28 150 +0.079
1N965B 15 8.5 16 700 0.25 511.4 25 130 +0.082
1N966B 16 7.8 17 700 0.25 512.2 24 120 +0.083
1N967B 18 7.0 21 750 0.25 513.7 20 110 +0.085
1N968B 20 6.2 25 750 0.25 515.2 18 100 +0.086
1N969B 22 5.6 29 750 0.25 516.7 16 90 +0.087
1N970B 24 5.2 33 750 0.25 518.2 15 80 +0.088
1N971B 27 4.6 41 750 0.25 520.6 13 70 +0.090
1N972B 30 4.2 49 1000 0.25 522.8 12 65 +0.091
1N973B 33 3.8 58 1000 0.25 525.1 11 60 +0.092
1N974B 36 3.4 70 1000 0.25 527.4 10 55 +0.093
1N975B 39 3.2 80 1000 0.25 529.7 9.5 46 +0.094
1N976B 43 3.0 93 1500 0.25 532.7 8.8 44 +0.095
1N977B 47 2.7 105 1500 0.25 535.8 7.9 40 +0.095
Note (1) : Part No. suffix specifies the Tolerance of VZ
No Suffix = +/- 20% Suffix A = +/- 10% Suffix B = +/- 5%
* Pulse Condition : 20mS < tp 50mS, Duty Cycle <2%
Operating and Storage Temperature -65 to +175
UNIT
Zener Voltage
Steady State Power Dissipation
Derating Factor above 50ºC
6.8 to 47
400
3.2
VALUEDESCRIPTION
I
R
@ V
R
Max Zener
Impedance
Z
ZK
@
Max Reverse
Leakage Current
IS/ISO 9002
Lic# QSC/L-000019.3
Continental Device India Limited Data Sheet Page 1 of 3
1N957B to 1N977B
DO- 35
Glass Axial Package
DO-35 Hermetically Sealed Glass Axial Package
DO-35, 52mm Taping Specification
On request also available in 26 mm Tape and Ammo Pack
NOTES
1. Cathode is marked by Band.
2. All dimensions are in mm.
C
D
A B A
DIM MIN MAX
A25.40 —
B3.03 4.44
C0.46 0.56
D1.52 2.29
1.05 MAX
.
1.5 R MAX. 5.50
4.50
52.0
48.0 11 DIODES
All dimensions in mm.
54.00
50.00
CENTRE LINE
± 1.05
6.0
5.0
LABEL
255.0 mm
TAPES
8
5
.
0
m m
LEADER
6.0
±1.0
±1.0
±2.0
52.0
6.0
FEED
52 mm Taping Specification
T & A indicates Axial Tape & Ammo packing (52 mm
Tape Spacing).
300 mm (min) leader tape on every spool.
No. of empty places allowed 0.25% without
consecutive empty places.
Ends of leads shall preferably not protrude beyond
the tapes.
5.
tapes so that they can not come free in normal
handling.
DO-35:- 5000 pcs./Ammo Pack
DIODE AMMO PACK
73.5 mm
Components shall be held sufficiently in the tape or
4.
3.
2.
1.
DO-35 T&A 5K/ammo box 0.88 kg/5K pcs 10" x 3.5" x 3.5" 5K 12.7" x 12.7" x 20" 125K 25 kgs
PACKAGE
Net Weight/QtyDetails
STANDARD PACK INNER CARTON BOX
Qty
OUTER CARTON BOX
Qty Gr WtSize Size
Packing Detail
Continental Device India Limited Data Sheet Page 2 of 3
Notes 1N957B to 1N977B
DO- 35
Glass Axial Package
1N957_77Rev080402D
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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
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incomplete information. Furthermore, CDIL does not assume liability whatsoever, arising out of the application or use of any CDIL
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or incorporated in their end products), in any life saving/support appliances or systems or applications do so at their own risk and
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Continental Device India Limited
C-120 Naraina Industrial Area, New Delhi 110 028, India.
Telephone + 91-11-579 6150 Fax + 91-11-579 9569, 579 5290
e-mail sales@cdil.com www.cdil.com
Continental Device India Limited Data Sheet Page 3 of 3