V240CH8S Littelfuse Inc, V240CH8S Datasheet - Page 3

• Manufacturer Part Number: V240CH8S
• Description: VARISTOR 240V 250A 5J SMD CH
• Manufacturer: Littelfuse Inc
• Series: CHr

Specifications of V240CH8S

• Varistor Voltage: 240V
• Current-surge: 250A
• Number Of Circuits: 1
• Maximum Ac Volts: 150VAC
• Maximum Dc Volts: 200VDC
• Energy: 5.0J
• Package / Case: Non-Standard SMD
• Suppressor Type: Transient Voltage
• Peak Surge Current @ 8/20µs: 500A
• Clamping Voltage Vc Max: 395V
• Peak Energy (10/1000us): 13J
• Voltage Rating Vdc: 200V
• Voltage Rating Vac: 150V
• Voltage Rating Dc: 200 V
• Voltage Rating Ac: 150 V
• Clamping Voltage: 395 V
• Surge Energy Rating: 13.0 J
• Capacitance: 150 pF
• Operating Temperature Range: - 55 C to + 125 C
• Dimensions: 5 mm W x 8 mm L x 2.03 mm H
• Lead Free Status / RoHS Status: Lead free by exemption / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free by exemption / RoHS Compliant

NOTE: If pulse ratings are exceeded, a shift of V
the device not meeting the original published specifications, but it does not prevent the device from continuing to function, and to provide ample protection.
©2010 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/CH.html for current information.
Surge Current Rating Curves for V22CH8 - V56CH8
Peak Pulse Current Test Waveform
Clamping Voltage for V22CH8 – V68CH8
Pulse Rating Curves
Figure 3
Figure 5
Figure 2
500
400
300
200
100
500
200
100
0.5
0.2
90
80
70
60
50
40
30
20
10
50
20
10
10
5
2
1
20
-3
O
10
10
INDEFINITE
100
V68CH8
V56CH8
V47CH8
V39CH8
V33CH8
V27CH8
V22CH8
1
2
10
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 5 x 8mm
22 TO 56V
T
1
90
50
10
A
2
3
= -55
10
o
-2
C TO 125
N(DC)
100
T
RATING
IMPULSE DURATION
T
10
o
1
C
-1
PEAK AMPERES (A)
T
2
10
N(DC)
0
1,000
(at specified current) of more than +/-10% could result. This type of shift, which normally results in a decrease of V
MODEL SIZE 5 x 8mm
V22CH8 - V56CH8
(μs)
10
1
10
TIME
10
4
Varistor Products
Surface Mount Varistors > CH Series
10
5
10
6
2
10,000
10
3
Revision: August 30, 2010
0
T = Time from 10% to 90% of Peak
T
T
Example:
For an 8/20 μs Current Waveform:
8μs = T
20μs = T
1
1
2
Surge Current Rating Curves for V120CH8 - V430CH8
Clamping Voltage for V120CH8 – V430CH8
Figure 4
Figure 6
= Virtual Origin of Wave
= Rise Time = 1.25 x T
= Decay Time
1
= Rise Time
2
= Decay Time
2,000
1,000
4,000
3,000
2,000
1,000
500
200
100
900
800
700
600
500
400
300
200
100
50
20
10
5
2
1
10
20
V180CH8
V150CH8
V120CH8
-3
10
10
INDEFINITE
1
2
MAXIMUM CLAMPING VOLTAGE
MODEL SIZE 5 x 8mm
100 TO 430V
T
6
A
= -55
10
-2
o
C TO 125
V200CH8
V220CH8
100
V240CH8
N(DC)
10
IMPULSE DURATION
-1
o
RATING
PEAK AMPERES (A)
C
10
0
V360CH8
V390CH8
10
V430CH8
10
2
10
3
10
10
4
1,000
1
MODEL SIZE 5 x 8mm
V120CH8 - V430CH8
5
(μs)
10
2
10
3
N(DC)
10,000
CH Varistor Series
10
, may result in
4