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1N4728 Datasheet(PDF) 2 Page - Micro Commercial Components

Part No. 1N4728
Description  1.0 Watt Zener Diode 3.3 to 100 Volts
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Maker  MCC [Micro Commercial Components]
Homepage  http://www.mccsemi.com
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1N4728 Datasheet(HTML) 2 Page - Micro Commercial Components

   
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Electrical Characteristics (TA = 25°C unless otherwise noted). Maximum VF = 1.2V at IF = 200mA
Note 1: The JEDEC type number shown with an A suffix have a 5% tolerance on nominal zener voltage. No
suffix signifies a 10% tolerance, C signifies 2%, and D suffix signifies 1% tolerance.
2: The Zener impedance is derived from the 60 Hz ac voltage, which results when an ac current having an
rms value equal to 10% of the DC Zener current(IZT or IZK) is superimposed on IZT or IZK. Zener
impedance is measured at two points to insure a sharp knee on the breakdown curve and eliminate
unstable units.
3: The reverse surge current is measured at 25
oC ambient using a 1/2 square wave or equivalent sine
wave pulse 1/120 second duration superimposed on IZT.
4: Voltage measurements tobe performed 90 seconds after application of DC current.
www.mccsemi.com
MCC
1N4728 thru 1N4764
MCC
PART
NUMBER
ZENER
VOLTAGE
VZ
TEST
CURRENT
IZT
MAXIMUM
DYNAMIC
IMPEDANCE
ZZT @ IZT
MAXIMUM
REVERSE
CURRENT
IR @ VR
TEST
VOLTAGE
VR
MAXIMUM
REGULATOR
CURRENT
IZM
TA = 50
°C
MAXIMUM
KNEE
IMPEDANCE
ZZK @ IZK
TEST
CURRENT
IZK
MAXIMUM
SURGE
CURRENT
IS
MAXIMUM
TEMPERATURE
COEFFICIENT
@IZT
VOLTS
mA
OHMS
µA
VOLTS
mA
OHMS
mA
mA
%/
OC
1N4728
3.3
76
10
100
1
276
400
1.0
1380
-0.08
1N4729
3.6
69
10
100
1
252
400
1.0
1260
-0.08
1N4730
3.9
64
9
50
1
234
400
1.0
1190
-0.07
1N4731
4.3
58
9
10
1
217
400
1.0
1070
-0.07
1N4732
4.7
53
8
10
1
193
500
1.0
970
-0.03 to +0.04
1N4733
5.1
49
7
10
1
178
550
1.0
890
-0.03 to +0.04
1N4734
5.6
45
5
10
2
162
600
1.0
810
0.045
1N4735
6.2
41
2
10
3
146
700
1.0
730
0.055
1N4736
6.8
37
3.5
10
4
133
700
1.0
660
0.06
1N4737
7.5
34
4.0
10
5
121
700
0.5
605
0.065
1N4738
8.2
31
4.5
10
6
110
700
0.5
550
0.07
1N4739
9.1
28
5.0
10
7
100
700
0.5
500
0.075
1N4740
10
25
7
10
7.6
91
700
0.25
454
0.08
1N4741
11
23
8
5
8.4
83
700
0.25
414
0.08
1N4742
12
21
9
5
9.1
76
700
0.25
380
0.085
1N4743
13
19
10
5
9.9
69
700
0.25
344
0.085
1N4744
15
17
14
5
11.4
61
700
0.25
304
0.09
1N4745
16
15.5
16
5
12.2
57
700
0.25
285
0.09
1N4746
18
14
20
5
13.7
50
750
0.25
250
0.09
1N4747
20
12.5
22
5
15.2
45
750
0.25
225
0.09
1N4748
22
11.5
23
5
16.7
41
750
0.25
205
0.095
1N4749
24
10.5
25
5
18.2
38
750
0.25
190
0.095
1N4750
27
9.5
35
5
20.6
34
750
0.25
170
0.095
1N4751
30
8.5
40
5
22.8
30
1000
0.25
150
0.095
1N4752
33
7.5
45
5
25.1
27
1000
0.25
135
0.095
1N4753
36
7.0
50
5
27.4
25
1000
0.25
125
0.095
1N4754
39
6.5
60
5
29.7
23
1000
0.25
115
0.095
1N4755
43
6.0
70
5
32.7
22
1500
0.25
110
0.095
1N4756
47
5.5
80
5
35.8
19
1500
0.25
95
0.095
1N4757
51
5.0
95
5
38.8
18
1500
0.25
90
0.095
1N4758
56
4.5
110
5
42.6
16
2000
0.25
80
0.095
1N4759
62
4.0
125
5
47.1
14
2000
0.25
70
0.095
1N4760
68
3.7
150
5
51.7
13
2000
0.25
65
0.095
1N4761
75
3.3
175
5
56.0
12
2000
0.25
60
0.095
1N4762
82
3.0
200
5
62.2
11
3000
0.25
55
-----
1N4763
91
2.8
250
5
69.2
10
3000
0.25
50
-----
1N4764
100
2.5
350
5
76.0
9
3000
0.25
45
-----
Version: 3
2003/01/22


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