Littelfuse CH Varistor Series - Manual (Page 6)

© 2013 Littelfuse, Inc. 74
Revised: May 8, 2013
Varistor Products
CH Varistor Series
Surface Mount Varistors > CH Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/CH.html for current information.
Notes :
• Conforms to EIA-481-1, Revision A
• Can be supplied to IEC P ublication 286-3
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.
Special Packaging
Option 1 7-inch reels containing 1000 pieces are
available. To order 7-inch reels add a 'T' suffix to
the part number; e.g., V47CH8T.
Option 2 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.
Symbol Parameter Size (mm)
B
0
Cavity Length 8.5 -/+ 0.1
A
0
Cavity Width 5.5 -/+ 0.1
K
0
Cavity Depth 2.0 Min.
H
0
Ref. Plane for A0 and B0 + 0.10
0.3
- 0.05
R
1
, R
2
, R
3
Tape Cavity Radii 0.5 Max.
T Carrier Tape Thickness 1.0 Max.
T
1
Cover Tape Thickness 0.1 Max.
E Sprocket Hole from Edge 1.75 -/+ 0.1
P
0
Sprocket Hole Pitch 4.0 -/+ 0.1
D Sprocket Hole Diameter + 0.1
1.5
- 0.0
P
2
Hole Centre to Component Centre 2.0 -/+ 0.15
R
4
Min. Bending Radius 30.5 Min.
D
1
Ejection Hole Diameter 1.5 Min.
K Overall Thickness 3.0 Min.
P Pitch Of Component 8.0 -/+ 0.1
F Sprocket Hole to Ejection Hole 7.5 -/+ 0.1
W Carrier Tape Width 16.0 -/+ 0.3
B
0
D
P
2 P
P
0
A 0
D 1
E
F
W
CROSS SECTION
(REF. PLANE FOR A
0 & B 0 )
T
R 1
R 2
K
0
A
0
R 3
B
0
H
0
K 0
SECTION
THRU
CAVITY
T 1
T
K
MINIMUM
BENDING
RADIUS
R 4
CAVITY DETAILS
REELED RADIUS DETAILS
PLAN VIEW OF STRIP
Tape and Reel Specifications