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参数资料
| 型号： | SMAJ4757D |
| 厂商： | MICROSEMI CORP-SCOTTSDALE |
| 元件分类： | 参考电压二极管 |
| 英文描述： | 51 V, 2 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-214AC |
| 封装： | PLASTIC, SIMILAR TO DO-214AC, SMAJ, 2 PIN |
| 文件页数： | 2/5页 |
| 文件大小： | 281K |
| 代理商： | SMAJ4757D |
Electrical Characteristics @ 25
°°C Unless Otherwise Specified
PART
NUMBER
ZENER
VOLTAGE
(V Z)
(NOTE 4)
TEST
CURRENT
(I ZT)
MAXIMUM
DYNAMIC
IMPEDANCE
(Z ZT @ I ZT)
(NOTE 2)
MAXIMUM
REVERSE
CURRENT
(I R @ V R )
TEST
VOLTAGE
(V R )
MAXIMUM
REGULATOR
CURRENT
(I ZM)
T L = 100
o C
MAXIMUM
KNEE
IMPEDANCE
(Z ZK @ I ZK)
(NOTE 2)
TEST
CURRENT
(I ZK)
MAXIMUM
(SURGE)
CURRENT
(I S )
(NOTE 3)
VOLTS
mA
OHMS
A
VOLTS
MA
OHMS
mA
SMAJ4728A
3.3
76
10
100
1
552
400
1.0
1380
SMAJ4729A
3.6
69
10
100
1
504
400
1.0
1260
SMAJ4730A
3.9
64
9
50
1
468
400
1.0
1190
SMAJ4731A
4.3
58
9
10
1
434
400
1.0
1070
SMAJ4732A
4.7
53
8
10
1
386
500
1.0
970
SMAJ4733A
5.1
49
7
10
1
356
550
1.0
890
SMAJ4734A
5.6
45
5
10
2
324
600
1.0
810
SMAJ4735A
6.2
41
2
10
3
292
700
1.0
730
SMAJ4736A
6.8
37
3.5
10
4
266
700
1.0
660
SMAJ4737A
7.5
34
4.0
10
5
242
700
0.5
605
SMAJ4738A
8.2
31
4.5
10
6
220
700
0.5
550
SMAJ4739A
9.1
28
5.0
10
7
200
700
0.5
500
SMAJ4740A
10
25
7
10
7.6
182
700
0.25
454
SMAJ4741A
11
23
8
5
8.4
166
700
0.25
414
SMAJ4742A
12
21
9
5
9.1
152
700
0.25
380
SMAJ4743A
13
19
10
5
9.9
138
700
0.25
344
SMAJ4744A
15
17
14
5
11.4
132
700
0.25
304
SMAJ4745A
16
15.5
16
5
12.2
114
700
0.25
285
SMAJ4746A
18
14
20
5
13.7
100
750
0.25
250
SMAJ4747A
20
12.5
22
5
15.2
90
750
0.25
225
SMAJ4748A
22
11.5
23
5
16.7
82
720
0.25
205
SMAJ4749A
24
10.5
25
5
18.2
76
750
0.25
190
SMAJ4750A
27
9.5
35
5
20.6
68
750
0.25
170
SMAJ4751A
30
8.5
40
5
22.8
60
1000
0.25
150
SMAJ4752A
33
7.5
45
5
25.1
54
1000
0.25
135
SMAJ4753A
36
7.0
50
5
27.4
50
1000
0.25
125
SMAJ4754A
39
6.5
60
5
29.7
46
1000
0.25
115
SMAJ4755A
43
6.0
70
5
32.7
44
1500
0.25
110
SMAJ4756A
47
5.5
80
5
35.8
38
1500
0.25
95
SMAJ4757A
51
5.0
95
5
38.8
36
1500
0.25
90
SMAJ4758A
56
4.5
110
5
42.6
32
2000
0.25
80
SMAJ4759A
62
4.0
125
5
47.1
28
2000
0.25
70
SMAJ4760A
68
3.7
150
5
51.7
26
2000
0.25
65
SMAJ4761A
75
3.3
175
5
56.0
24
2000
0.25
60
SMAJ4762A
82
3.0
200
5
62.2
22
3000
0.25
55
SMAJ4763A
91
2.8
250
5
69.2
20
3000
0.25
50
SMAJ4764A
100
2.5
350
5
76.0
18
3000
0.25
45
SMAJ4728A thru SMAJ4764A
NOTE:
1.
The 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.
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 (I ZT or IZK) is superimposed on I ZT. 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
square wave or equivalent sine wave pulse 1/120 second duration superimposed
on IZT.
4.
Voltage at thermal equilibrium or 90 seconds after application of dc current.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SMAJ4758CE3/TR13 | 制造商:Microsemi Corporation 功能描述:2.0W, VZ = 56V, ? 2% - Tape and Reel 制造商:Microsemi Corporation 功能描述:DIODE ZENER 2.0W 56V 2% SMAJ |
| SMAJ4759CE3/TR13 | 制造商:Microsemi Corporation 功能描述:2.0W, VZ = 62V, ? 2% - Tape and Reel 制造商:Microsemi Corporation 功能描述:DIODE ZENER 2.0W 62V 2% SMAJ |
| SMAJ4760CE3/TR13 | 制造商:Microsemi Corporation 功能描述:2.0W, VZ = 68V, ? 2% - Tape and Reel 制造商:Microsemi Corporation 功能描述:DIODE ZENER 2.0W 68V 2% SMAJ |
| SMAJ4760E3/TR13 | 制造商:Microsemi Corporation 功能描述:2.0W, VZ = 68V, ? 10% - Tape and Reel 制造商:Microsemi Corporation 功能描述:DIODE ZENER 2.0W 68V 10% SMAJ |
| SMAJ4761AE3/TR13 | 制造商:Microsemi Corporation 功能描述:2.0W, VZ = 75V, ? 5% - Tape and Reel 制造商:Microsemi Corporation 功能描述:DIODE ZENER 2.0W 75V 5% SMAJ |
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