Datasheet > 72R050X

72R050X

更新时间： 2024-01-03 22:43:20

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力特 - LITTELFUSE		/
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描述
POLYFUSE Resettable PTCs

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72R050X 数据手册

POLYFUSE^®Resettable PTCs

Radial Leaded > 72R Series

Tape and Ammo Speciﬁcations

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

Dimensions

Dimension

EIA Mark

IEC Mark

Dim. (mm)

Tol. (mm)

–0.5 / +1.0

min.

Carrier tape width

Hold down tape width

W₄

W₆

W₅

D₀

W₀

W₂

W₁

D₀

Top distance between tape edges

Sprocket hole position

max.

–0.5 / +0.75

–0.32 / +0.2

–/+ 3.0

Sprocket hole diameter*

Abscissa to plane (straight lead)

Abscissa to plane (kinked lead)

Abscissa to top 72R020X–72R090X

Abscissa to top 72R110X–72R300X

18.5

H₀

H₁

H₀

H₁

–/+ 0.5

32.2

47.5

max.

Overall width without lead protrusion:

72R020X–72R090X

C₁

42.5

max.

Overall width without lead protrusion:

72R110X–72R300X

Overall width with lead protrusion:

72R020X–72R090X

C₂

43.2

max.

Overall width with lead protrusion:

72R110X–72R300X

Lead protrusion

L₁

l₁

1.0

max.

Protrusion of cut out

Protrusion beyond hold–down tape

Sprocket hole pitch: 72R020X–72R090X

Sprocket hole pitch: 72R110X–72R300X

l₂

Not speciﬁed

12.7

P₀

–/+ 0.3

–/+ 0.5

25.4

Pitch tolerance

–/+ 1

consecutive.

Device pitch: 72R020X–72R090X

Device pitch: 72R110X–72R300X

Tape thickness

12.7

25.4

0.9

2.0

max.

Tape thickness with splice

Splice sprocket hole alignment

Body lateral deviation

t₁

–/+ 0.3

–/+ 1.0

–/+ 1.3

Δh

Δp

Δh

Δp

Body tape plane deviation

Ordinate to adjacent component lead*:

72R020X–72R090X

P₁

3.81

7.62

–/+ 0.7

Ordinate to adjacent component lead*:

72R110X–72R300X

Lead spacing: 72R020X–72R185X

Lead spacing: 72R250X–72R300X

5.08

–/+ 0.8

10.18

*Differs from EIA Specification

144

72R Series

Speciﬁcations are subject to change without notice.

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

Revised: April 3, 2009

1...3 4 567

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