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72R250X Datasheet(PDF) 6 Page - Littelfuse |
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72R250X Datasheet(HTML) 6 Page - Littelfuse |
6 / 7 page 144 Revised: April 3, 2009 ©2009 Littelfuse, Inc. 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 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 72R020X–72R090X H 1 H 1 32.2 max. Abscissa to top 72R110X–72R300X H 1 47.5 max. Overall width without lead protrusion: 72R020X–72R090X C 1 42.5 max. Overall width without lead protrusion: 72R110X–72R300X 57 Overall width with lead protrusion: 72R020X–72R090X C 2 43.2 max. Overall width with lead protrusion: 72R110X–72R300X 58 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: 72R020X–72R090X P 0 P 0 12.7 –/+ 0.3 Sprocket hole pitch: 72R110X–72R300X P 0 P 0 25.4 –/+ 0.5 Pitch tolerance 20 consecutive. –/+ 1 Device pitch: 72R020X–72R090X 12.7 Device pitch: 72R110X–72R300X 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*: 72R020X–72R090X P 1 P 1 3.81 –/+ 0.7 Ordinate to adjacent component lead*: 72R110X–72R300X 7.62 –/+ 0.7 Lead spacing: 72R020X–72R185X FF 5.08 –/+ 0.8 Lead spacing: 72R250X–72R300X FF 10.18 –/+ 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. |
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