Littelfuse 250R Series Bedienungsanleitung PDF herunterladen (Seite 7)

103

Revised: August 31, 2011

POLY-FUSE

Resettable PTCs

250R Series

Radial Leaded > 250R Series

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com/series/250R.html for current information.

250R Series

Dimension EIA Mark

IEC Mark

Dimensions

Dim. (mm) Tol. (mm)

Carrier tape width WW18 o

)PMEEPXOUBQFXJEUI W

11 min.

Top distance between tape edges W

3 NBY

Sprocket hole position W

9 o

4QSPDLFUIPMFEJBNFUFS D

4 o

Abscissa to plane (straight lead) HH18.5 o

Abscissa to plane (kinked lead) H

16 o

Abscissa to top H

32.2 NBY

Overall width without lead protrusion C

42.5 NBY

Overall width with lead protrusion C

43.2 NBY

-FBEQSPUSVTJPO L

1. 0 NBY

Protrusion of cut out LL11 NBY

1SPUSVTJPOCFZPOEIPMEoEPXOUBQF l

Not speciﬁed

4QSPDLFUIPMFQJUDI3o3 P

12.7 o

4QSPDLFUIPMFQJUDI3 P

25.4 o

Pitch tolerance

consecutive.

o

%FWJDFQJUDI3o3 12.7

%FWJDFQJUDI3 25.4

Tape thickness tt0.9 NBY

Tape thickness with splice t

2.0 NBY

Splice sprocket hole alignment

0 o

Body lateral deviation Δh Δh 0 o

Body tape plane deviation Δp Δp 0 o

0SEJOBUFUPBEKBDFOUDPNQPOFOUMFBE

3.81 o

-FBETQBDJOH FF5.1 o

%JGGFSTGSPN&*"4QFDJGJDBUJPO

Tape and Ammo Speciﬁcations

Devices taped using EIA468-B/IE286-2 standards. See table below and Figure 1 for details.

Tape and Ammo Diagram

Reference plane

Δh

Δp

Direction of unreeling

Cross section A - B

Figure 1

1 2 3 4 5 6 7

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