Revised: October 24, 2008 ©2008 Littelfuse, Inc.
POLYFUSE® Resettable PTCs
30R Series
Radial Leaded > 30R Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/30R.html for current information.
Dimension EIA Mark IEC Mark Dimensions
Dim. (mm) Tol. (mm)
Carrier tape width WW18 -0.5 / +1.0
Hold down tape width: W4W011 min.
Top distance between tape edges W6W23 max.
Sprocket hole position W5W19 -0.5 / +0.75
Sprocket hole diameter* D0D04 -0.32 / +0.2
Abscissa to plane(straight lead) HH18.5 -/+ 3.0
Abscissa to plane(kinked lead) H0H016 -/+ 0.5
Abscissa to top: 30R090-30R185 H1H132.2 max.
Abscissa to top: 30R250-30R900 45.0 max.
Overall width w/o lead protrusion: 30R090-30R185 C142.5 max.
Overall width w/o lead protrusion: 30R250-30R900 56 max.
Overall width w/ lead protrusion: 30R090-30R185 C243.2 max.
Overall width w/ lead protrusion: 30R250-30R900 57 max.
Lead protrusion L1l11.0 max.
Protrusion of cut out LL11 max.
Protrusion beyond hold–down tape l2l2Not specified
Sprocket hole pitch: 30R090-30R300 P0P012.7 -/+ 0.3
Sprocket hole pitch on: 30R400-30R900 P0P025.4 -/+ 0.5
Device pitch: 30R090-30R300 12.7
Device pitch: 30R400-30R900 25.4
Pitch tolerance 20 consecutive. -/+ 1
Tape thickness tt0.9 max.
Tape thickness with splice: 30R090-30R250 t11.5 max.
Tape thickness with splice: 30R300-30R900 t1 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* P1P13.81 -/+ 0.7
Ordinate to adjacent component lead* 7.62 -/+ 0.7
Lead spacing: 30R090–30R400 FF5.08 -/+ 0.8
Lead spacing: 30R500-30R900 FF10.18 -/+ 0.8
Tape and Ammo Specifications
Devices taped using EIA468-B/IE286-2 standards. See table below and Figure 1 for details.
*Differs from EIA Specification