Continental Device India Limited
An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company
SILICON GLASS PASSIVATED 1.0 WATT ZENER DIODES
1N4728A to 1N4764A
3.3V to 100V
1N4187B to 1N4188B
110V to 120V
DO-41
Glass Axial Package
FEATURES
These Zeners are best sutied for General Purpose Industrial, Entertainment, Military & Space Applications.
The Glass Passivated Chips are Hermetically Sealed with Double Studs, Providing Excellent Stability and
Reliability.
ABSOLUTE MAXIMUM RATINGS
DESCRIPTION
Power Dissipation @ T
a
=50ºC
Derate above 50ºC
Operating and Storage Temperature
SYMBOL
P
D
T
stg
VALUE
1
6.67
- 65 to+200
UNIT
W
mW/ºC
ºC
ELECTRICAL CHARACTERISTICS (T
a
=25ºC V
F
<1.2V @ 200mA )
r
ZK
@ I
ZK
V
ZT
** @ I
ZT
r
zt
**
I
ZT
Device
Nominal
MAX
MAX
(mA)
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
0.50
0.50
0.50
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
(V)
(mA)
(Ω )
Ω
(Ω )
Ω
1N4728A
3.3
10
76.0
400
1N4729A
3.6
10
69.0
400
1N4730A
3.9
9.0
64.0
400
1N4731A
4.3
9.0
58.0
400
1N4732A
4.7
8.0
53.0
500
1N4733A
5.1
7.0
49.0
550
1N4734A
5.6
5.0
45.0
600
1N4735A
6.2
2.0
41.0
700
1N4736A
6.8
3.5
37.0
700
1N4737A
7.5
4.0
34.0
700
1N4738A
8.2
4.5
31.0
700
1N4739A
9.1
5.0
28.0
700
1N4740A
10
7.0
25.0
700
1N4741A
11
8.0
23.0
700
1N4742A
12
9.0
21.0
700
1N4743A
13
10
19.0
700
1N4744A
15
14
17.0
700
1N4745A
16
16
15.5
700
1N4746A
18
20
14.0
750
1N4747A
20
22
12.5
750
1N4748A
22
23
11.5
750
1N4749A
24
25
10.5
750
1N4750A
27
35
9.5
750
1N4751A
30
40
8.5
1000
1N4752A
33
45
7.5
1000
** Pulse Condition : 20ms < t
p
< 50ms, Duty Cycle<2%
* Rectangle wave form ( t
p
=10ms)
Continental Device India Limited
Temp . Coeff
of
Zener Voltage
typ.
%/ ºC
-0.06
-0.06
-0.05
-0.03
-0.01
0.01
0.03
0.04
0.05
0.05
0.06
0.06
0.07
0.07
0.07
0.07
0.08
0.08
0.08
0.08
0.08
0.08
0.09
0.09
0.09
I
R
Max
(µA)
µ
100
100
50
10
10
10
10
10
10
10
10
10
10
5
5
5
5
5
5
5
5
5
5
5
5
V
R
I
ZM
Max
I
ZSM
*
Max
(mA)
1380
1260
1190
1070
970
890
810
730
660
605
550
500
454
414
380
344
304
285
250
225
205
190
170
150
135
(V)
1.0
1.0
1.0
1.0
1.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
7.6
8.4
9.1
9.9
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
25.1
(mA)
276
252
234
217
193
178
162
146
133
121
110
100
91
83
76
69
61
57
50
45
41
38
34
30
27
Data Sheet
Page 1 of 4
CDIL [ Continental Device India Limited ]
