Positive Temperature Coefficient devices (PTCs) 2017 by Littelfuse

More catalogs by Littelfuse | Positive Temperature Coefficient devices (PTCs) 2017 | 128 pages | 2017-11-12

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Page 104 of Positive Temperature Coefficient devices (PTCs) 2017

poly-fuse® resettable ptcs radial leaded 250r series tape and ammo specifications devices taped using eia468-b/ie286-2 standards see table below and figure 1 for details dimension eia mark iec mark carrier tape width w dimensions dim mm tol mm w 18 –0.5 +1.0 hold down tape width w4 w0 11 min top distance between tape edges w6 w2 3 max sprocket hole position w5 w1 9 –0.5 +0.75 sprocket hole diameter d0 d0 4 –0.32 +0.2 abscissa to plane straight lead h h 18.5 – 3.0 abscissa to plane kinked lead h0 h0 16 – 0.5 abscissa to top h1 h1 32.2 max overall width without lead protrusion c1 42.5 max overall width with lead protrusion c2 43.2 max lead protrusion l1 1.0 max max l1 protrusion of cut out l l 11 protrusion beyond hold–down tape l2 l2 not specified sprocket hole pitch 250r080–250r145 p0 p0 12.7 – 0.3 sprocket hole pitch 250r180 p0 p0 25.4 – 0.5 20 consecutive – 1 pitch tolerance device pitch 250r080–250r145 12.7 device pitch 250r180 25.4 tape thickness t tape thickness with splice t1 t 0.9 max 2.0 max 0 – 0.3 body lateral deviation Δh Δh 0 – 1.0 body tape plane deviation Δp Δp 0 – 1.3 p1 p1 3.81 – 0.7 f f 5.1 – 0.7 splice sprocket hole alignment ordinate to adjacent component lead lead spacing differs from eia specification tape and ammo diagram ∆h ∆h figure 1 ∆h reference plane a1 h1 falbh0 w4 w5 w h1 c1 h c2 i2 l1 p0 d0 direction of unreeling cross section a b t © 2015 littelfuse inc specifications are subject to change without notice revised 11/05/15 ∆p