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RoHS
CH Varistor Series
Description
CH Series transient surge suppressors are small,
metal-oxide varistors (MOVs) manufactured in leadless
chip form. They are intended for use in a variety of
applications from low voltage DC to off-line board-level
protection. These devices, which have signi?cantly
lower pro?les than traditional radial lead varistors,
permit designers to reduce the size and weight and
increase the reliability of their equipment designs.
CH Series varistors are available in a voltage range from
14V to 275V (V M(AC)RMS ), and energy ratings up to 8J.
See the Littelfuse Multilayer Suppressor Series also.
Agency Approvals
Recognized under the components program of
Underwriters Laboratories.
Features
AGENCY
AGENCY FILE NUMBER
reel or bulk pack
UL E320116
mount chip in 5
x 8mm Size
125oC ambient
V M(AC)RMS 14V to 275V
Absolute Maximum Ratings
Continuous
Steady State Applied Voltage:
AC Voltage Range (V M(AC)RMS )
DC Voltage Range (V M(DC) )
Transient:
Peak Pulse Current (I TM )
For 8/20 μ s Current (See Figure 2)
Single Pulse Energy Range
For 10/1000 μ s Current Wave (W TM )
Operating Ambient Temperature Range (T A )
Storage Temperature Range (T STG )
Temperature Coefficient ( V) of Clamping Voltage (V C ) at Specified Test Current
CH Series
14 to 275
18 to 369
100 to 250
1.0 to 8.0
-55 to +125
-55 to +150
<0.01
Units
V
V
A
J
oC
oC
%/oC
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of
the device at these or any other conditions above those indicated in the operational sections of this speci?cation is not implied.
?2010 Littelfuse, Inc.
Speci?cations are subject to change without notice.
Please refer to www.littelfuse.com/series/CH.html for current information.
Revision: August 30, 2010
CH Varistor Series
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