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V360CH8 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Surface Mount Varistors - Littelfuse

भाग संख्या V360CH8
समारोह Surface Mount Varistors
मैन्युफैक्चरर्स Littelfuse 
लोगो Littelfuse लोगो 
पूर्व दर्शन
1 Page
		
<?=V360CH8?> डेटा पत्रक पीडीएफ

V360CH8 pdf
Varistor Products
Surface Mount Varistors > CH Series
Device Ratings and Specifications
Part
Number
Maximum Ratings (125ºC)
Continuous
VRMS
VM(AC)
(V)
VDC
VM(DC)
(V)
Transient
Energy
(10/1000μ s)
WTM
(J)
Peak Current
(8/20μs)
ITM
(A)
Specifications (25ºC)
Varistor Voltage at 1 mA DC Max Clamping Volt VC at
Test Current
Test Current (8/20μs) Typical
Capacitance
MIN
(V)
VN(DC)
(V)
MAX
(V)
VC
(V)
IP f=1MHz
(A) (pF)
V22CH8
14 18 (Note 3) 1.0 (Note2)
100
18.7 22.0 26.0
47
5
1600
V27CH8
17
22
1.0
100
23.0 27.0 31.1
57
5
1300
V33CH8
20
26
1.0
100
29.5 33.0 36.5
68
5
750
V39CH8
25
31
1.0
100
35.0 39.0 43.0
79
5
700
V47CH8
30
38
1.2
100
42.0 47.0 52.0
92
5
650
V56CH8
35
45
1.4
100
50.0 56.0 62.0
107
5
600
V68CH8
40
56
1.5
100
61.0 68.0 75.0
127
10
500
V120CH8
75
102
2.0
250
108.0 120.0 132.0
200
10
300
V150CH8
95
127
3.0
250
135.0 150.0 165.0
250
10
250
V180CH8
115
153
4.0
250
162.0 180.0 198.0
295
10
120
V200CH8
130
175
4.0
250
184.0 200.0 228.0
340
10
110
V220CH8
140
180
5.0
250
198.0 220.0 242.0
360
10
105
V240CH8
150
200
5.0
250
212.0 240.0 268.0
395
10
100
V360CH8
230
300
6.0
250
324.0 360.0 396.0
595
10
70
V390CH8
250
330
7.0
250
354.0 390.0 429.0
650
10
60
V430CH8
275
369
8.0
250
389.0 430.0 473.0
710
10
50
NOTES:
1. Power dissipation of transients not to exceed 0.25W.
2. Energy rating for impulse duration of 30ms minimum to one half of peak current value.
3. Also rated to withstand 24V for 5 minutes.
4. All Littelfuse CH Series Varistors are recognized under UL file #E320116 as a recognized component.
5. The Typical Capacitance is for reference only
Current, Energy and Power Derating Curve
Continuous power dissipation capability is not an applicable
design requirement for a suppressor, unless transients
occur in rapid succession. Under this condition, the
average power dissipation required is simply the energy
(watt-seconds) per pulse times the number of pulses
per second. The power so developed must be within
the specifications shown on the Device Ratings and
Specifications Table for the specific device. Furthermore,
the operating values need to be derated at high tempera
tures as shown in this diagram. Because varistors can only
dissipate a relatively small amount of average power they
are, therefore, not suitable for repetitive applications that
involve substantial amounts of average power dissipation.
100
90
80
70
60
50
40
30
20
10
0
-55 50 60 70 80 90 100 110 120 130 140 150
Figure 1
AMBIENT TEMPERATURE ( oC)
CH Varistor Series
Revision: August 30, 2010
©2010 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/CH.html for current information.

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