1N4728A THRU 1N4764A
www.centralsemi.com
SILICON ZENER DIODES
1.0 WATT, 3.3 THRU 100 VOLT
5% TOLERANCE
DESCRIPTION:
The CENTRAL SEMICONDUCTOR 1N4728A series
silicon Zener diode is a highly reliable voltage regulator
designed for use in industrial, commercial, entertainment
and computer applications.
MARKING: FULL PART NUMBER
DO-41 CASE
MAXIMUM RATINGS:
SYMBOL
UNITS
W
Power Dissipation (T =50°C)
P
D
1.0
A
Operating and Storage Temperature
T , T
-65 to +200
°C
J
stg
ELECTRICAL CHARACTERISTICS: (T =25°C) V =1.2V MAX @ I =200mA (for all types)
A
F
F
MAXIMUM
TEMPERATURE
COEFFICIENT
ZENER
VOLTAGE
MAXIMUM
REVERSE
CURRENT
MAXIMUM
DC
CURRENT
TEST
CURRENT
MAXIMUM
ZENER IMPEDANCE
V
@ I
Z
ZT
@ I
TYPE
ZT
MIN
NOM
V
MAX
V
I
Z
@ I
Ω
Z
@ I
I
@
V
I
ΘV
ZT
ZT
ZT
ZK
ZK
mA
R
R
ZM
Z
V
mA
76
Ω
μA
100
100
50
V
mA
1380
1260
1190
1070
970
890
810
730
660
605
550
500
454
414
380
344
304
285
250
225
205
190
170
% / °C
1N4728A
1N4729A
1N2730A
1N4731A
1N4732A
1N4733A
1N4734A
1N4735A
1N4736A
1N4737A
1N4738A
1N4739A
1N4740A
1N4741A
1N4742A
1N4743A
1N4744A
1N4745A
1N4746A
1N4747A
1N4748A
1N4749A
1N4750A
3.135
3.420
3.705
4.085
4.465
4.845
5.320
5.890
6.460
7.125
7.790
8.645
9.500
10.45
11.40
12.35
14.25
15.20
17.10
19.00
20.90
22.80
25.65
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
3.465
3.780
4.095
4.515
4.935
5.355
5.880
6.510
7.140
7.875
8.610
9.555
10.50
11.55
12.60
13.65
15.75
16.80
18.90
21.00
23.10
25.20
28.35
10
10
400
400
400
400
500
550
600
700
700
700
700
700
700
700
700
700
700
700
750
750
750
750
750
1.0
1.0
1.0
-0.08 to -0.05
69
1.0
-0.08 to -0.05
64
9.0
9.0
8.0
7.0
5.0
2.0
3.5
4.0
4.5
5.0
7.0
8.0
9.0
10
1.0
1.0
-0.07 to -0.02
58
1.0
10
1.0
-0.07 to -0.01
53
1.0
10
1.0
-0.03 to +0.04
-0.01 to +0.04
0 to +0.045
49
1.0
10
1.0
45
1.0
10
2.0
41
1.0
10
3.0
+0.01 to +0.055
+0.015 to +0.06
+0.02 to +0.065
+0.03 to +0.07
+0.035 to +0.075
+0.04 to +0.08
+0.045 to +0.08
+0.045 to +0.085
+0.05 to +0.085
+0.055 to +0.09
+0.055 to +0.09
+0.06 to +0.09
+0.06 to +0.09
+0.06 to +0.095
+0.06 to +0.095
+0.06 to +0.095
37
1.0
10
4.0
34
0.5
10
5.0
31
0.5
10
6.0
28
0.5
10
7.0
25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
10
7.6
11
23
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
8.4
12
21
9.1
13
19
9.9
15
17
14
11.4
12.2
13.7
15.2
16.7
18.2
20.6
16
15.5
14
16
18
20
20
12.5
11.5
10.5
9.5
22
22
23
24
25
27
35
R2 (14-October 2013)