Littelfuse CH Varistor Series Manual do Utilizador descarregar pdf (Página 6)

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)

Cavity Length 8.5 -/+ 0.1

Cavity Width 5.5 -/+ 0.1

Cavity Depth 2.0 Min.

Ref. Plane for A0 and B0 + 0.10

0.3

- 0.05

, R

Tape Cavity Radii 0.5 Max.

T Carrier Tape Thickness 1.0 Max.

Cover Tape Thickness 0.1 Max.

E Sprocket Hole from Edge 1.75 -/+ 0.1

Sprocket Hole Pitch 4.0 -/+ 0.1

D Sprocket Hole Diameter

+ 0.1

1.5

- 0.0

Hole Centre to Component Centre 2.0 -/+ 0.15

Min. Bending Radius 30.5 Min.

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

CROSS SECTION

(REF. PLANE FOR A

& B

)

SECTION

THRU

CAVITY

MINIMUM

BENDING

RADIUS

CAVITY DETAILS

REELED RADIUS DETAILS

PLAN VIEW OF STRIP

Tape and Reel Speciﬁcations

1 2 3 4 5 6

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