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1N4728A_07 Datasheet, PDF (1/4 Pages) Fairchild Semiconductor – Zener Diodes
1N4728A - 1N4758A
Zener Diodes
Tolerance = 5%
June 2007
DO-41 Glass case
COLOR BAND DENOTES CATHODE
Absolute Maximum Ratings * Ta = 25°C unless otherwise noted
Symbol
Parameter
PD
Power Dissipation
@ TL ≤ 50°C, Lead Length = 3/8”
Derate above 50°C
TJ, TSTG Operating and Storage Temperature Range
* These ratings are limiting values above which the serviceability of the diode may be impaired.
Value
1.0
6.67
-65 to +200
Units
W
mW/°C
°C
Electrical Characteristics Ta = 25°C unless otherwise noted
Device
VZ (V) @ IZ (Note 1)
Min. Typ. Max.
Test Current
IZ (mA)
1N4728A
3.315
3.3
3.465
76
1N4729A
3.42
3.6
3.78
69
1N4730A
3.705
3.9
4.095
64
1N4731A
4.085
4.3
4.515
58
1N4732A
4.465
4.7
4.935
53
1N4733A
4.845
5.1
5.355
49
1N4734A
5.32
5.6
5.88
45
1N4735A
5.89
6.2
6.51
41
1N4736A
6.46
6.8
7.14
37
1N4737A
7.125
7.5
7.875
34
1N4738A
7.79
8.2
8.61
31
1N4739A
8.645
9.1
9.555
28
1N4740A
9.5
10
10.5
25
1N4741A
10.45
11
11.55
23
1N4742A
11.4
12
12.6
21
Max. Zener Impedance
ZZ @ IZ
(Ω)
10
10
9
9
8
ZZK @
IZK (Ω)
400
400
400
400
500
IZK
(mA)
1
1
1
1
1
7
550
1
5
600
1
2
700
1
3.5
700
1
4
700
0.5
4.5
700
0.5
5
700
0.5
7
700
0.25
8
700
0.25
9
700
0.25
Leakage Current
IR
VR
(μA)
(V)
100
1
100
1
50
1
10
1
10
1
10
1
10
2
10
3
10
4
10
5
10
6
10
7
10
7.6
5
8.4
5
9.1
©2007 Fairchild Semiconductor Corporation
1
1N4728A - 1N4758A Rev. H1
www.fairchildsemi.com