參數(shù)資料
型號： NTE4991
廠商： NTE Electronics, Inc.
英文描述： Surge Clamping, Transient Overvoltage Suppressor Bidirectional
中文描述： 浪涌夾緊，雙向暫態(tài)過電壓抑制器
文件頁數(shù)： 2/2頁
文件大?。?/td> 26K
代理商： NTE4991
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 V
C
(Clamping Voltage) to the actual BV
(Breakdown Voltage) as measured on a specific device.
Maximum Ratings
NTE Type
Number
Diagram
Number
Maximum Reverse
Stand Off Voltage
(Volts)
V
R
Breakdown Voltage @ I
T
(Volts)
V
BR
Typ
13.00
15.00
16.00
18.00
20.00
24.00
27.05
30.00
33.00
36.00
39.00
43.00
47.00
51.05
56.00
62.00
68.00
75.00
82.00
91.00
100.00
110.00
120.00
130.00
150.00
160.00
170.00
180.00
220.00
250.00
200.00
300.00
320.00
350.00
400.00
440.00
Clamping Voltage
@ I
pp
(1msec)
(Volts)
Reverse Leakage
Current @ V
R
(
μ
A)
I
R
Peak Pulse
Current
(Amps)
Temperature
Coefficient
of BV%/
°
C
V
C
I
pp
Min
12.40
14.30
15.20
17.10
19.00
22.80
25.70
28.50
31.40
34.20
37.10
40.90
44.70
48.50
53.20
58.90
64.60
71.30
77.90
86.50
95.00
105.00
114.00
124.00
143.00
152.00
162.00
171.00
209.00
237.00
190.00
285.00
304.00
333.00
380.00
418.00
Max
13.70
15.80
16.80
18.90
21.00
25.20
28.40
31.50
34.70
37.80
41.00
45.20
49.40
53.60
58.80
65.10
71.40
78.80
86.10
95.50
105.00
116.00
126.00
137.00
158.00
168.00
179.00
189.00
231.00
263.00
210.00
315.00
336.00
368.00
420.00
462.00
I
T
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
1.0
4919
4921
4923
4927
4929
4933
4935
4937
4939
4941
4943
4945
4947
4951
4953
4955
4959
4961
4963
4965
4967
4969
4971
4973
4975
4977
4979
4981
4983
4985
4989
4991
4993
4995
4997
4999
183
183
183
183
183
183
183
183
183
183
183
183
183
183
183
183
183
183
183
183
183
183
183
183
183
183
183
183
183
183
183
183
183
183
183
183
11.10
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
128.00
136.00
145.00
154.00
185.00
214.00
171.00
256.00
273.00
300.00
342.00
376.00
18.2
21.1
22.5
25.2
27.7
33.2
37.5
36.0
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
207.0
219.0
234.0
246.0
328.0
344.0
274.0
414.0
438.0
482.0
548.0
603.0
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
4.0
4.0
5.0
82.00
71.00
67.00
59.50
54.00
45.00
40.00
41.40
33.00
30.00
28.00
25.30
23.30
21.40
19.50
17.70
16.30
14.60
13.30
12.00
11.00
9.90
9.10
8.40
7.20
6.80
6.40
6.10
4.60
5.00
5.50
3.58
4.50
3.08
2.78
3.50
0.081
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
(V
WM
) and should be equal or greater than DC or continuous peak operating voltage.
1.100
(27.94)
Min
.375
(9.52)
Max
.205 (5.21)
Dia Max
.042 (1.07) Dia Max
相關(guān)PDF資料
PDF描述
NTE4993 Surge Clamping, Transient Overvoltage Suppressor Bidirectional
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參數(shù)描述
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