524V17 [NTE]

High Transient Current Capability;
524V17
型号: 524V17
厂家: NTE ELECTRONICS    NTE ELECTRONICS
描述:

High Transient Current Capability

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NTE1V010 thru NTE1V300  
NTE2V010 thru NTEV480  
NTE524V13 thru NTE524V48  
Metal Oxide Varistors (MOV)  
Description:  
The NTE Metal Oxide Varistors feature a barrier layer that gives the user fast response time. These devices have a high  
transient current handling capability when high voltage is applied. Static resistance is, however, very high under low voltage  
conditions, permitting low standby drain currents.  
The NTE 1V Series Varistors have a nonlinear voltage/current characteristic as expressed by the relationship:  
n
I = KV  
Where I = The current in amperes  
V = The voltage  
K = A constant  
n = A constant which shows the dependence of  
the voltage V upon the current I. It is called  
the voltagedependant index  
Features:  
D
D
D
D
D
High Transient Current Capability up to 6500A  
Fast Response Time less than 35ns  
Excellent Voltage Clamping Characteristics  
Very Low Temperature Coefficient  
Low Standby Current  
D
D
D
D
D
High Energy Capability  
The Value for “n” is Greater  
Very Low Leakage Current  
Low Capacitance  
Low Overshoot Characteristics  
Electrical Ratings:  
Varistor Voltage  
The voltage across the varistor at a DC current of 1.0mA.  
Energy  
The maximum electrical energy which can be dissipated within the varistor by a single impulse of 10 x 1000s current  
waveform with continuous voltage applied. Energy ratings are based on a shift of varistor voltage of less than 10% of the  
initial value. The unit is expressed in joules.  
Peak Current  
The maximum current allowable for a single pulse of 8 x 20s exponential waveform.  
Operating Ambient Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40to +85C  
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40to +125C  
Response Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . less than 35ns  
Voltage Temperature Coefficient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . less than 0.05%/C  
NonLinear Exponent  
NTE1V010 to NTE1V075, NTE2V010 to NTE2V075 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 to 50  
NTE1V095 to NTE1V300, NTE2V095 to NTE2V480, NTE524V13 to NTE542V48 . . . . . . . . . . greater than 40  
Maximum Leakage Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10A  
Rev. 1014  
Electrical Characteristics:  
Maximum Ratings (T = 25C)  
A
Characteristics  
Continuous  
Transient  
Nominal  
Varistor  
Maximum  
Clamping  
Voltage  
Voltage, V  
Transient  
Power  
Dissipation  
(Watts)  
C
@ 1mA DC  
Test Current  
(Volts)  
@ Test Current  
(8/20s)  
RMS  
Voltage  
(Volts)  
DC  
Voltage  
(Volts)  
Energy  
(10/1000s)  
(Joules)  
Peak Current  
NTE Type  
Number  
(8/20s)  
(Amps)  
(Volts)  
Case Diameter  
V
(AC)  
V
(DC)  
W
I
V
V
P
D
m
m
TM  
TM  
NOM  
CL  
1V010  
2V010  
1V014  
2V014  
1V015  
2V015  
1V017  
2V017  
1V020  
2V020  
1V025  
2V025  
1V030  
2V030  
1V035  
2V035  
1V040  
2V040  
1V050  
2V050  
1V060  
2V060  
1V075  
2V075  
1V095  
2V095  
1V115  
2V115  
1V130  
2V130  
524V13  
1V150  
2V150  
524V15  
1V175  
524V17  
1V250  
2V250  
524V25  
1V275  
2V275  
524V27  
8.5mm  
16mm  
8.5mm  
16mm  
8.5mm  
16mm  
8.5mm  
16mm  
8.5mm  
16mm  
8.5mm  
16mm  
8.5mm  
16mm  
8.5mm  
16mm  
8.5mm  
16mm  
8.5mm  
16mm  
8.5mm  
16mm  
8.5mm  
16mm  
8.5mm  
16mm  
8.5mm  
16mm  
8.5mm  
16mm  
23mm  
8.5mm  
16mm  
23mm  
8.5mm  
23mm  
8.5mm  
16mm  
23mm  
8.5mm  
16mm  
23mm  
10  
12  
0.8  
3.5  
250  
1000  
250  
18  
18  
45  
45  
0.25  
0.60  
0.25  
0.60  
0.25  
0.60  
0.25  
0.10  
0.25  
0.60  
0.25  
0.60  
0.25  
0.60  
0.25  
0.60  
0.25  
0.60  
0.25  
0.60  
0.25  
0.60  
0.25  
0.60  
0.25  
0.60  
0.25  
0.60  
0.25  
0.60  
1.00  
0.25  
0.60  
1.00  
.025  
1.00  
0.25  
0.60  
1.00  
0.25  
0.60  
1.00  
10  
14  
12  
18  
1.2  
22  
55  
14  
18  
4.0  
1000  
250  
22  
55  
15  
20  
1.0  
24  
52  
15  
20  
4.5  
1000  
250  
24  
48  
17  
22  
1.3  
27  
60  
17  
22  
5.0  
1000  
250  
27  
53  
20  
26  
1.5  
33  
70  
20  
26  
6.0  
1000  
250  
33  
70  
25  
31  
1.7  
39  
80  
25  
31  
7.0  
1000  
250  
39  
80  
30  
38  
2.3  
47  
95  
30  
38  
8.5  
1000  
250  
47  
95  
35  
45  
2.7  
56  
110  
110  
135  
135  
150  
150  
175  
175  
205  
205  
250  
250  
295  
300  
355  
355  
355  
410  
410  
410  
450  
450  
630  
630  
630  
685  
685  
685  
35  
45  
10.0  
3.2  
1000  
250  
56  
40  
55  
68  
40  
55  
13.0  
4.0  
1000  
250  
68  
50  
66  
82  
50  
66  
14.0  
6.0  
1000  
1200  
4500  
1200  
4500  
1200  
4500  
1200  
4500  
1200  
4500  
6500  
1200  
4500  
6500  
1200  
6500  
1200  
4500  
6500  
1200  
4500  
6500  
82  
60  
80  
100  
100  
120  
120  
150  
150  
171  
171  
216  
216  
216  
240  
240  
240  
270  
270  
390  
390  
390  
430  
430  
430  
60  
80  
18.0  
5.0  
75  
95  
75  
95  
21.0  
7.0  
95  
125  
125  
150  
150  
180  
180  
180  
210  
210  
210  
225  
225  
320  
320  
320  
330  
330  
330  
95  
29.0  
10.0  
35.0  
10.0  
39.0  
72.0  
10.0  
40.0  
80.0  
12.0  
90.0  
20.0  
70.0  
129.0  
20.0  
72.0  
135.0  
115  
115  
135  
135  
135  
135  
160  
160  
170  
170  
250  
250  
250  
275  
275  
275  
Electrical Characteristics (Cont’d):  
Maximum Ratings (T = 25C)  
A
Characteristics  
Continuous  
Transient  
Nominal  
Varistor  
Maximum  
Clamping  
Voltage  
Voltage, V  
Transient  
Power  
Dissipation  
(Watts)  
C
@ 1mA DC  
Test Current  
(Volts)  
@ Test Current  
(8/20s)  
RMS  
Voltage  
(Volts)  
DC  
Voltage  
(Volts)  
Energy  
(10/1000s)  
(Joules)  
Peak Current  
NTE Type  
Number  
(8/20s)  
(Amps)  
(Volts)  
Case Diameter  
V
(AC)  
V
(DC)  
W
I
V
V
P
D
m
m
TM  
TM  
NOM  
CL  
1V300  
2V300  
524V30  
2V420  
524V42  
2V480  
524V48  
8.5mm  
16mm  
23mm  
16mm  
23mm  
16mm  
23mm  
300  
300  
300  
420  
420  
480  
480  
370  
370  
370  
560  
560  
640  
640  
22.0  
79.0  
1200  
4500  
6500  
4500  
6500  
4500  
6500  
470  
470  
470  
680  
680  
750  
750  
740  
740  
0.25  
0.60  
1.00  
0.60  
1.00  
0.60  
1.00  
149.0  
90.0  
740  
1110  
1110  
1240  
1240  
160.0  
105.0  
180.0  
Cautions:  
NTE varistors shortcircuit when subjected to surges beyond their peak current and energy ratings.  
NTE varistors shortcircuit when operated at steadystate voltages well beyond their voltage ratings, which may eventual-  
ly result in opencircuiting leaving the circuit without protection.  
The following precautions should be taken to minimize this potential hazard:  
D
D
D
Fusing the varistor to limit high fault currents.  
Protecting the surrounding circuitry by physical shielding.  
Locating the varistor away from other components.  
Typical Power Supply Circuit  
100H  
D
+
0.1F  
150F  
D
H
LS  
LL  
L
D
H
L
LL  
LS  
LD  
LD  
1V Series  
2V Series  
.345 .235  
(9.0) (6.0)  
.475 1.000 .200 .024  
(12.0) (25.4) (5.08) (0.6)  
.699 .275  
(17.8) (7.0)  
.787 1.000 .315 .031  
(20.0) (25.4) (8.0) (0.8)  
524V Series .945 .291  
(24.0) (7.4)  
1.230 1.063 .394 .039  
(31.0) (27.0) (10.0) (1.0)  

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