Continental Device India Limited
An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company
SILICON GLASS PASSIVATED 1.5 WATT ZENER DIODES
1N4477
DO-41
Glass Axial Package
Use in Automotive, Industrial, Commerical Entertainment and Computer Applications
ABSOLUTE MAXIMUM RATINGS
DESCRIPTION
V
Z
Tolerances
Power Dissipation at T
a
=25ºC
Operating Temperature
Storage Temperature
Thermal Resistance Junction to Lead at 3/8"
(10mm) from body
Thermal Impedance
SYMBOL
P
D
T
j
T
stg
T
L
VALUE
+5.0
1.5
- 65 to +175
- 65 to +200
42
4.5
UNIT
%
W
ºC
ºC
ºC/W
ºC/W
ELECTRICAL CHARACTERISTICS T
a
=25ºC V
F
<1.2V at 200mA and <1.5V at 1.0A
Maximum Knee
Maximum
Maximum Reverse
Device #
Nominal
Test
Maximum
Maximum Surge
Impedance
Continuous
Zener Current
Current
Current
Dynamic
Current
Voltage
Impedance
Z
ZK
at I
ZK
I
ZSM
at T
a
=25ºC
I
ZT
Z
ZT
at I
ZT
I
R
at
V
R
I
ZM
V
Z
Amps
(V)
(mA)
(mA)
(V)
(mA)
(Ω )
Ω
(Ω )
Ω
(µA)
µ
1N4477
1N4477REV040506E
33
7.5
25
800
0.25
0.05
26.4
43
0.43
Continental Device India Limited
Data Sheet
Page 1 of 3
1N4477
DO-41
Glass Axial Package
DO-41 Glass Axial Package
A
B
A
DIM
A
C
B
NOTES
1. Cathode is marked by Band.
2. All dimensions are in mm.
C
D
D
MIN
27.90
4.06
0.71
2.03
MAX
—
5.51
0.87
2.72
DO-41, 52mm Taping Specification
1.05 MAX.
1.5 R MAX.
5.50
4.50
52 mm Taping Specification
1. T & A indicates Axil Tape & Ammo packing (52 mm
Tape Spacing).
2. 300 mm (min) leader tape on every spool.
3. No. of empty places allowed 0.25% without
consecutive empty places.
4. Ends of leads shall preferably not protrude beyond
the tapes.
5. Components shall be held sufficiently in the tape or
tapes so that they can not come free in normal
handling.
LEADER
CENTRE LINE
± 1.05
54.00
50.00
6.0
5.0
52.0
11 DIODES
48.0
All dimensions in mm.
D
FEE
6.0 ±1.
0
52 ±2
.0 .0
6.0
±1.
0
TAPES
85.0 mm
LABEL
m
0m
55.
2
73.
5m
m
DO-41:- 2500 pcs./Ammo Pack
DIODE AMMO PACK
On request also available in 26 mm Tape and Ammo Pack
Packing Detail
PACKAGE
Details
DO-41 T&A
STANDARD PACK
Net Weight/Qty
Size
10" x 3.5" x 3.5"
INNER CARTON BOX
Qty
2.5K
Size
12.7" x 12.7" x 20"
OUTER CARTON BOX
Qty
62.5K
Gr Wt
30 kgs
2.5K/
ammo box 1.04 kg/
2.5K pcs
1N4477REV040506E
Continental Device India Limited
Data Sheet
Page 2 of 3
Customer Notes
1N4477
DO-41
Glass Axial Package
Component Disposal Instructions
1. CDIL Semiconductor Devices are RoHS compliant, customers are requested to please
dispose as per prevailing Environmental Legislation of their Country.
2.
In Europe, please dispose as per EU Directive 2002/96/EC on Waste Electrical and
Electronic Equipment (WEEE).
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 in the Data Sheet and on the
CDIL Web Site/CD is 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
1N4477REV040506E
Continental Device India Limited
Data Sheet
Page 3 of 3
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