1N4728A - 1N4758A — Zener Diodes
April 2009
1N4728A - 1N4758A
Zener Diodes
Tolerance = 5%
DO-41 Glass case
COLOR BAND DENOTES CATHODE
Absolute Maximum Ratings *
Symbol
P
D
T
a
= 25°C unless otherwise noted
Parameter
Power Dissipation
@ TL
50C, Lead Length = 3/8”
Derate above 50C
Value
1.0
6.67
-65 to +200
Units
W
mW/C
C
T
J
, T
STG
Operating and Storage Temperature Range
* These ratings are limiting values above which the serviceability of the diode may be impaired.
Electrical Characteristics
V
Z
(V) @ I
Z
(Note 1)
Device
Min.
1N4728A
1N4729A
1N4730A
1N4731A
1N4732A
1N4733A
1N4734A
1N4735A
1N4736A
1N4737A
1N4738A
1N4739A
1N4740A
1N4741A
1N4742A
3.135
3.42
3.705
4.085
4.465
4.845
5.32
5.89
6.46
7.125
7.79
8.645
9.5
10.45
11.4
T
a
= 25°C unless otherwise noted
Typ.
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
Test Current
I
Z
(mA)
Z
Z
@ I
Z
Z
ZK
@
Max.
()
I
ZK
()
3.465
3.78
4.095
4.515
4.935
5.355
5.88
6.51
7.14
7.875
8.61
9.555
10.5
11.55
12.6
76
69
64
58
53
49
45
41
37
34
31
28
25
23
21
10
10
9
9
8
7
5
2
3.5
4
4.5
5
7
8
9
400
400
400
400
500
550
600
700
700
700
700
700
700
700
700
Max. Zener Impedance
I
ZK
(mA)
1
1
1
1
1
1
1
1
1
0.5
0.5
0.5
0.25
0.25
0.25
Leakage
Current
I
R
(A)
100
100
50
10
10
10
10
10
10
10
10
10
10
5
5
V
R
(V)
1
1
1
1
1
1
2
3
4
5
6
7
7.6
8.4
9.1
Non-Repetitive
Peak Reverse
Current
I
ZSM
(mA)
(Note 2)
1380
1260
1190
1070
970
890
810
730
660
605
550
500
454
414
380
© 2009 Fairchild Semiconductor Corporation
1N4728A - 1N4758A Rev. H3
1
www.fairchildsemi.com
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
