SMAJ4728 查看數據表（PDF） - Micro Commercial Components
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SMAJ4728 Datasheet PDF : 3 Pages
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MCC
SMAJ4728 thru SMAJ4764
Electrical Characteristics @ 25oC Unless Otherwise Specified
MAXIMUM
MAXIMUM MAXIMUM
REGULATOR MAXIMUM
MAXIMUM
ZENER TEST DYNAMIC REVERSE TEST CURRENT
KNEE
TEST
SURGE
MCC PART VOLTAGE CURRENT IMPEDANCE CURRENT VOLTAGE
Izm
IMPEDANCE CURRENT CURRENT
NUMBER
Vz
Izt
Zzt @ Izt Ir @ Vr
Vr
Ta=50oC
Zzk @ Izk
Izk
Is
VOLTS mA
OHMS
uA
VOLTS
mA
OHMS
MA
mA
SMAJ4728 3.3 76
10
100
1
276
400
1.0 1380
SMAJ4729 3.6 69
10
100
1
252
400
1.0 1260
SMAJ4730 3.9 64
9
50
1
234
400
1.0 1190
SMAJ4731 4.3 58
9
10
1
217
400
1.0 1070
SMAJ4732 4.7 53
8
10
1
193
500
1.0
970
SMAJ4733 5.1 49
7
10
1
178
550
1.0
890
SMAJ4734 5.6 45
5
10
2
162
600
1.0
810
SMAJ4735 6.2 41
2
10
3
146
700
1.0
730
SMAJ4736 6.8 37
3.5
10
4
133
700
1.0
660
SMAJ4737 7.5 34
4.0
10
5
121
700
0.5
605
SMAJ4738 8.2 31
4.5
10
6
110
700
0.5
550
SMAJ4739 9.1 28
5.0
10
7
100
700
0.5
500
SMAJ4740 10 25
7
10 7.6
91
700 0.25 454
SMAJ4741 11 23
8
5
8.4
83
700 0.25 414
SMAJ4742 12 21
9
5
9.1
76
700 0.25 380
SMAJ4743 13 19
10
5
9.9
69
700 0.25 344
SMAJ4744 15 17
14
5 11.4
61
700 0.25 304
SMAJ4745 16 15.5 16
5
12.2
57
700 0.25 285
SMAJ4746 18 14
20
5
13.7
50
750 0.25 250
SMAJ4747 20 12.5 22
5
15.2
45
750 0.25 225
SMAJ4748 22 11.5 23
5
16.7
41
750 0.25 205
SMAJ4749 24 10.5 25
5
18.2
38
750 0.25 190
SMAJ4750 27 9.5
35
5
20.6
34
750 0.25 170
SMAJ4751 30 8.5
40
5
22.8
30
1000 0.25 150
SMAJ4752 33 7.5
45
5
25.1
27
1000 0.25 135
SMAJ4753 36 7.0
50
5
27.4
25
1000 0.25 125
SMAJ4754 39 6.5
60
5
29.7
23
1000 0.25 115
SMAJ4755 43 6.0
70
5
32.7
22
1500 0.25 110
SMAJ4756 47 5.5
80
5
35.8
19
1500 0.25
95
SMAJ4757 51 5.0
95
5
38.8
18
1500 0.25
90
SMAJ4758 56 4.5 110
5
42.6
16
2000 0.25
80
SMAJ4759 62 4.0 125
5
47.1
14
2000 0.25
70
SMAJ4760 68 3.7 150
5
51.7
13
2000 0.25
65
SMAJ4761 75 3.3 175
5
56.0
12
2000 0.25
60
SMAJ4762 82 3.0 200
5
62.2
11
3000 0.25
55
SMAJ4763 91 2.8 250
5
69.2
10
3000 0.25
50
SMAJ4764 100 2.5 350
5 76.0
9
3000 0.25
45
NOTE 1 The JEDEC type numbers shown have A 5% tolerance on nominal zener voltage.
No suffix signifies A 10% tolerance, C signifies 2%, and D signifies 1% tolerance.
NOTE 2 The zener impedance is derived from the 60Hz 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.
NOTE 3 The reverse surge current is measured at 25oC ambient using a 1/2 square wave or equivalent sine wave pulse 1/120 second
duration superimposed on Izt
NOTE 4 Voltage measurements to be performed 90 seconds after application of DC current.
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