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V56CH8 Schematic ( PDF Datasheet ) - Littelfuse

Teilenummer V56CH8
Beschreibung Surface Mount Varistors
Hersteller Littelfuse
Logo Littelfuse Logo 




Gesamt 6 Seiten
V56CH8 Datasheet, Funktion
Varistor Products
Surface Mount Varistors > CH Series
RoHS CH Varistor Series
Agency Approvals
Recognized under the components program of
Underwriters Laboratories.
AGENCY
AGENCY FILE NUMBER
UL E320116
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 significantly
lower profiles 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 (VM(AC)RMS), and energy ratings up to 8J.
See the Littelfuse Multilayer Suppressor Series also.
Features
t -FBEoGSFF
t -FBEMFTT TVSGBDF
mount chip in 5
x 8mm Size
t 7PMUBHFSBUJOHT
VM(AC)RMS 14V to 275V
t 4VQQMJFEJOUBQFBOE
reel or bulk pack
t /PEFSBUJOHVQUP
125ºC ambient
Absolute Maximum Ratings
t'PSSBUJOHTPGJOEJWJEVBMNFNCFSTPGBTFSJFT TFF%FWJDF3BUJOHTBOE4QFDJmDBUJPOTDIBSU
Continuous
Steady State Applied Voltage:
Transient:
AC Voltage Range (VM(AC)RMS)
DC Voltage Range (VM(DC))
Peak Pulse Current (ITM)
For 8/20μs Current (See Figure 2)
Single Pulse Energy Range
For 10/1000μs Current Wave (WTM)
Operating Ambient Temperature Range (TA)
Storage Temperature Range (TSTG)
Temperature Coefficient (DV) of Clamping Voltage (VC) 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 specification is not implied.
©2010 Littelfuse, Inc.
Specifications 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






V56CH8 Datasheet, Funktion
Varistor Products
Surface Mount Varistors > CH Series
Tape and Reel Specifications
E P0 P P2 D
K0
F
W
A0
PLAN VIEW OF STRIP
B0
D1 T1
T
SECTION
THRU
CAVITY
K
T
CROSS SECTION
(REF. PLANE FOR A0 & B0)
R1 H0 B0
R3
R4
MINIMUM
BENDING
RADIUS
R2 A0
K0
CAVITY DETAILS
REELED RADIUS DETAILS
Standard Packaging*
CH Series varistors are always shipped in tape and reel.
The standard 13-inch reel utilized contains 4000 pieces.
Note also that the CH Series receives no branding on the
chip itself.
*NOTE: It is recommended that parts be kept in the sealed
bag provided and that parts be used as soon as possible
when removed from bags.
Symbol
B0
A0
K0
H0
Parameter
Cavity Length
Cavity Width
Cavity Depth
Ref. Plane for A0 and B0
R1, R2, R3
T
T1
E
P0
D
Tape Cavity Radii
Carrier Tape Thickness
Cover Tape Thickness
Sprocket Hole from Edge
Sprocket Hole Pitch
Sprocket Hole Diameter
P2 Hole Centre to Component Centre
R4 Min. Bending Radius
D1 Ejection Hole Diameter
K Overall Thickness
P Pitch Of Component
F Sprocket Hole to Ejection Hole
W Carrier Tape Width
Notes :
t$POGPSNTUP&*" 3FWJTJPO"
t$BOCFTVQQMJFEUP*&$1VCMJDBUJPO
Size (mm)
8.5 -/+ 0.1
5.5 -/+ 0.1
2.0 Min.
+ 0.10
0.3
- 0.05
0.5 Max.
1.0 Max.
0.1 Max.
1.75 -/+ 0.1
4.0 -/+ 0.1
+ 0.1
1.5
- 0.0
2.0 -/+ 0.15
30.5 Min.
1.5 Min.
3.0 Min.
8.0 -/+ 0.1
7.5 -/+ 0.1
16.0 -/+ 0.3
Special Packaging
Option 1
Option 2
7-inch reels containing 1000 pieces are
available. To order 7-inch reels add a 'T' suffix to
the part number; e.g., V47CH8T.
For small quantities (less than 100 pieces) the
units are shipped bulk pack. To order, add a 'S'
suffix to the part number; e.g., V47CH8S.
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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