Littelfuse SM20 Varistor Series Bedienungsanleitung PDF herunterladen (Seite 4)

Revised: February 6, 2014

Varistor Products

SM20 Series Varistor

Surface Mount Varistors > SM20 Series

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com/series/sm20.html for current information.

Part Numbering System

For “VARISTOR”

Max Voltage Rating

M(AC)

(Two or three digits -- refer to

ratings and speciﬁcations table)

V 275 SM20

SM20 SERIES

Soldering Pad Layout

Product Dimensions

Symbol

Millimeters

Min Max

(diameter)

--- 26

H1 --- 10.5

H2 1. 0 --

t 0.50 0.70

S1 32.5

S2 3.0

4.5

W 6.2

6.6

Packaging

192 mm

30 mm

typical

192 mm

30 mm

typical

8.4 mm

typical

Radius

30 mm

typical

11.7 mm

pocket

depth

StandardPackagingisin"Wafe"trays:

Quantity per tray: 36 pieces

Quantity per box: 108 pieces

1 2 3 4

Varistor Products 1
SM20 Varistor Series 1
PERCENT OF RATED VALUE 2
FIGURE 15.WAVE SOLDER PROFILE 3
V 275 SM20 4

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