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1N4728A Datasheet, PDF (1/3 Pages) Motorola, Inc – One Watt Hermetically Sealed Glass Silicon Zener Diodes
DIP Type
Zener Diodes
1N4728A ~ 1N4758A
DO-41
■ Features
● Zener Voltage Range 3.3 to 56 Volts
● Through-Hole Device Type Mounting
● Hermetically Sealed Glass
● Compression Bonded Construction
● RoHS Compliant
0.107 (2.7)
0.080 (2.0)
DIA.
Diodes
1.0 (25.4)
MIN.
0.205 (5.2)
0.160 (4.1)
■ Absolute Maximum Ratings Ta = 25℃
Parameter
Power Dissipation
Thermal Resistance Junction to Ambient
Thermal Resistance Junction to Lead
Junction Temperature
Storage Temperature range
Symbol
Pd
RθJA
RθJL
TJ
Tstg
Rating
1
100
53.5
200
-55 to 200
■ Electrical Characteristics Ta = 25℃
Device Type
1N4728A
1N4729A
1N4730A
1N4731A
1N4732A
1N4733A
1N4734A
1N4735A
1N4736A
1N4737A
1N4738A
1N4739A
1N4740A
1N4741A
1N4742A
1N4743A
VZ @ IZT
(Volts)
Nominal
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
IZT
(mA)
76
69
64
58
53
49
45
41
37
34
31
28
25
23
21
19
ZZT @ IZT
(Ω)
Max
10
10
9
9
8
7
5
2
3.5
4
4.5
5
7
8
9
10
IZK
(mA)
1
1
1
1
1
1
1
1
1
0.5
0.5
0.5
0.25
0.25
0.25
0.25
0.034 (0.86)
0.028 (0.71)
1.0 (25.4)
MIN.
Dimensions in inches and (millimeters)
Unit
W
℃/W
℃/W
℃
ZZK @ IZK
(Ω)
Max
400
400
400
400
500
550
600
700
700
700
700
700
700
700
700
700
IR @ VR
(µA)
Max
100
100
50
10
10
10
10
10
10
10
10
10
10
5
5
5
VR
(Volts)
1
1
1
1
1
1
2
3
4
5
6
7
7.6
8.4
9.1
9.9
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