105

Revised: July 12, 2010

© 2010 Littelfuse, Inc

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.

Dimension

EIA Mark

IEC Mark

Dimensions

Dim. (mm)

Tol. (mm)

Carrier tape width

WW

18

–0.5 / +1.0

Hold down tape width

W

4

W

0

11

min.

Top distance between tape edges

W

6

W

2

3

max.

Sprocket hole position

W

5

W

1

9

–0.5 / +0.75

Sprocket hole diameter*

D

0

D

0

4

–0.32 / +0.2

Abscissa to plane (straight lead)

HH

18.5

–/+ 3.0

Abscissa to plane (kinked lead)

H

0

H

0

16

–/+ 0.5

Abscissa to top

H

1

H

1

32.2

max.

Overall width without lead protrusion

C

1

42.5

max.

Overall width with lead protrusion

C

2

43.2

max.

Lead protrusion

L

1

l

1

1.0

max.

Protrusion of cut out

LL

11

max.

Protrusion beyond hold–down tape

l

2

l

2

Not specified

Sprocket hole pitch: 250R080–250R145

P

0

P

0

12.7

–/+ 0.3

Sprocket hole pitch: 250R180

P

0

P

0

25.4

–/+ 0.5

Pitch tolerance

20

consecutive.

–/+ 1

Device pitch: 250R080–250R145

12.7

Device pitch: 250R180

25.4

Tape thickness

tt

0.9

max.

Tape thickness with splice

t

1

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*

P

1

P

1

3.81

–/+ 0.7

Lead spacing

FF

5.1

–/+ 0.7

*Differs from EIA Specification

Tape and Ammo Specifications

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

Tape and Ammo Diagram

A

B

F

L

W

Reference plane

Δh

Δh

H

Δh

Δp

Direction of unreeling

Cross section A - B

t

Figure 1