Resettable Ptc Products Page 110 Resettable PTC Products

POLY-FUSE Resettable PTCs 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 03/22/17 Radial Leaded > 250R Series Dimension EIA Mark IEC Mark Dimensions Dim. (mm) Tol. (mm) Carrier tape width W 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) H 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 L 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 t 0.9 max. Tape thickness with splice t 1 2.0 max. Splice sprocket hole alignment 0 -/+ 0.3 Body lateral deviation h 0 -/+ 1.0 Body tape plane deviation p 0 -/+ 1.3 Ordinate to adjacent component lead* P 1 P 1 3.81 -/+ 0.7 Lead spacing F 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 A1 L1 P0 D0 F L W4 H0 I2 H1 W5 W Reference plane h H1 H C1 C2 h p Direction of unreeling Cross section A - B t Figure 1

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