©2005 Fairchild Semiconductor Corporation 1 www.fairchildsemi.com
1N4728A - 1N4764A Rev. G2
1N
47
28
A
-
1N
47
64
A
Zene
rs
January 2005
1N4728A - 1N4764A
Zeners
Absolute Maximum Ratings * T
a
= 25°C unless otherwise noted
* These ratings are limiting values above which the serviceability of the diode may be impaired.
Electrical Characteristics T
a
= 25°C unless otherwise noted
Symbol Parameter Value Units
P
D
Power Dissipation
@ TL ≤ 50°C, Lead Length = 3/8”
1.0 W
Derate above 50°C6.67m/°C
T
J
, T
STG
Operating and Storage Temperature Range -65 to +200 °C
Device
V
Z
(V) @ I
Z
(Note 1)
Test Current
I
Z
(mA)
Max. Zener Impedance Leakage Current
Min. Typ. Max.
Z
Z
@ I
Z

(Ω)
Z
ZK
@
I
ZK
(Ω)
I
ZK
(mA)
I
R

(µA)
V
R
(V)
1N4728A
1N4729A
1N4730A
1N4731A
1N4732A
3.315
3.42
3.705
4.085
4.465
3.3
3.6
3.9
4.3
4.7
3.465
3.78
4.095
4.515
4.935
76
69
64
58
53
10
10
9
9
8
400
400
400
400
500
1
1
1
1
1
100
100
50
10
10
1
1
1
1
1
1N4733A
1N4734A
1N4735A
1N4736A
1N4737A
4.845
5.32
5.89
6.46
7.125
5.1
5.6
6.2
6.8
7.5
5.355
5.88
6.51
7.14
7.875
49
45
41
37
34
7
5
2
3.5
4
550
600
700
700
700
1
1
1
1
0.5
10
10
10
10
10
1
2
3
4
5
1N4738A
1N4739A
1N4740A
1N4741A
1N4742A
7.79
8.645
9.5
10.45
11.4
8.2
9.1
10
11
12
8.61
9.555
10.5
11.55
12.6
31
28
25
23
21
4.5
5
7
8
9
700
700
700
700
700
0.5
0.5
0.25
0.25
0.25
10
10
10
5
5
6
7
7.6
8.4
9.1
1N4743A
1N4744A
1N4745A
1N4746A
1N4747A
12.35
14.25
15.2
17.1
19
13
15
16
18
20
13.65
15.75
16.8
18.9
21
19
17
15.5
14
12.5
10
14
16
20
22
700
700
700
750
750
0.25
0.25
0.25
0.25
0.25
5
5
5
5
5
9.9
11.4
12.2
13.7
15.2
DO-41 Glass case
COLOR BAND DENOTES CATHODE