NTE4902 查看數據表（PDF） - NTE Electronics
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NTE4902 Datasheet PDF : 2 Pages
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Electrical Characteristics (Cont’d):
Clamping Factor: 1.33 @ full rated power
1.20 @ 50% rated power
The clamping factor is defined as: The ratio of the actual VC (Clamping voltage) to the actual BV
(Breakdown Voltage) as measured on a specific device.
Maximum Ratings
NTE Type Diagram
Number Number
4920 183
4922 183
4926 183
4928 183
4932 183
4934 183
4936 183
4938 183
4940 183
4942 183
4944 183
4946 183
4950 183
4952 183
4954 183
4958 183
4960 183
4962 183
4964 183
4966 183
4968 183
4970 183
4972 183
4974 183
4976 183
4978 183
4980 183
4982 183
4984 183
4988 183
4990 183
4992 183
4994 183
4996 183
4998 183
Maximum Reverse
Stand Off Voltage
(Volts)
VR
12.80
13.60
15.30
17.10
20.50
23.10
25.60
28.20
30.80
33.30
36.80
40.20
43.60
47.80
53.00
58.10
64.10
70.10
77.80
85.50
94.00
102.00
111.00
121.00
136.00
145.00
154.00
185.00
214.00
171.00
256.00
273.00
300.00
342.00
376.00
Breakdown Voltage @ IT
(Volts)
VBR
Min
Typ
Max
14.30 15.00 15.80
15.20 16.00 16.80
17.10 18.00 18.90
19.00 20.00 21.00
22.80 24.00 25.20
25.70 27.05 28.40
28.50 30.00 31.50
31.40 33.00 34.70
34.20 36.00 37.80
37.10 39.00 41.00
40.90 43.00 45.20
44.70 47.00 49.40
48.50 51.05 53.60
53.20 56.00 58.80
58.90 62.00 65.10
64.60 68.00 71.40
71.30 75.00 78.80
77.90 82.00 86.10
86.50 91.00 95.50
95.00 100.00 105.00
105.00 110.00 116.00
114.00 120.00 126.00
124.00 130.00 137.00
135.00 150.00 165.00
152.00 160.00 168.00
162.00 170.00 179.00
171.00 180.00 189.00
209.00 220.00 231.00
237.00 250.00 263.00
190.00 200.00 210.00
285.00 300.00 315.00
304.00 320.00 336.00
333.00 350.00 368.00
380.00 400.00 420.00
418.00 440.00 462.00
IT mA
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Clamping Voltage
@ Ipp (1msec)
(Volts)
VC
21.2
22.5
25.2
27.7
33.2
37.5
41.4
45.7
49.9
53.9
59.3
64.8
70.1
77.0
85.0
92.0
103.0
113.0
125.0
137.0
152.0
165.0
179.0
215.0
219.0
234.0
246.0
328.0
344.0
274.0
414.0
438.0
482.0
548.0
603.0
Reverse Leakage
Current @ VR
(µA)
IR
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
Peak Pulse
Current
(Amps)
Ipp
71.00
67.00
59.50
54.00
45.00
40.00
36.00
33.00
30.00
28.00
25.30
23.20
21.40
19.50
17.70
16.30
14.60
13.30
12.00
11.00
9.90
9.10
8.40
7.00
6.80
6.40
6.10
4.60
5.00
5.50
3.58
4.50
3.08
2.78
3.50
Temperature
Coefficient
of BV%/°C
0.084
0.086
0.088
0.090
0.094
0.096
0.097
0.098
0.099
0.100
0.101
0.101
0.102
0.103
0.104
0.104
0.105
0.105
0.106
0.106
0.107
0.107
0.107
0.108
0.108
0.108
0.108
0.109
0.109
0.108
0.110
0.110
0.110
0.110
0.110
Note 1. Normal selection of a zener transient over voltage suppressor is by rated stand–off voltage
(VWM) and should be equal or greater than DC or continuous peak operating voltage.
1.100
(27.94)
Min
.375
(9.52)
Max
.042 (1.07) Dia Max
Color Band Denotes Cathode
.205 (5.21)
Dia Max
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