Littelfuse 72R Series Instrukcja Użytkownika Pobierz pdf (Strona 6)

Revised: July 12, 2010

POLYFUSE

Resettable PTCs

72R Series

Radial Leaded > 72R Series

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com/series/72R.html for current information.

Dimension EIA Mark

IEC Mark

Dimensions

Dim. (mm) Tol. (mm)

Carrier tape width WW18 –0.5 / +1.0

Hold down tape width W

11 min.

Top distance between tape edges W

3 max.

Sprocket hole position W

9 –0.5 / +0.75

Sprocket hole diameter* D

4 –0.32 / +0.2

Abscissa to plane (straight lead) HH18.5 –/+ 3.0

Abscissa to plane (kinked lead) H

16 –/+ 0.5

Abscissa to top 72R020X–72R090X H

32.2 max.

Abscissa to top 72R110X–72R300X H

47.5 max.

Overall width without lead protrusion:

72R020X–72R090X

42.5 max.

Overall width without lead protrusion:

72R110X–72R300X

Overall width with lead protrusion:

72R020X–72R090X

43.2 max.

Overall width with lead protrusion:

72R110X–72R300X

Lead protrusion L

1.0 max.

Protrusion of cut out LL11 max.

Protrusion beyond hold–down tape l

Not speciﬁed

Sprocket hole pitch: 72R020X–72R090X P

12.7 –/+ 0.3

Sprocket hole pitch: 72R110X–72R300X P

25.4 –/+ 0.5

Pitch tolerance

consecutive.

–/+ 1

Device pitch: 72R020X–72R090X 12.7

Device pitch: 72R110X–72R300X 25.4

Tape thickness tt0.9 max.

Tape thickness with splice t

2.0 max.

Splice sprocket hole alignment

0 –/+ 0.3

Body lateral deviation Δh Δh 0 –/+ 1.0

Body tape plane deviation Δp Δp 0 –/+ 1.3

Ordinate to adjacent component lead*:

72R020X–72R090X

3.81 –/+ 0.7

Ordinate to adjacent component lead*:

72R110X–72R300X

7.62 –/+ 0.7

Lead spacing: 72R020X–72R185X FF5.08 –/+ 0.8

Lead spacing: 72R250X–72R300X FF10.18 –/+ 0.8

*Differs from EIA Specification

Tape and Ammo Speciﬁcations

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

1 2 3 4 5 6 7

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Littelfuse 72R Series Instrukcja Użytkownika Strona 6

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