29 low inductanace capacitors check for up-to-date cv tables at http://www.avx.com/docs/catalogs/licc.pdf a failure rate a = n/a b terminations b = 5% min lead 2 packaging a vailable 2 = 7" reel 4 = 13" reel a thickness thickness mm (in) 0.56 (0.022) 0.61 (0.024) 0.76 (0.030) 1.02 (0.040) 1.27 (0.050) 105 capacitance code (in pf) 2 sig. digits + number of zeros m capacitance tolerance k = ?0% m = ?0% ld18 size ld16 ld17 ld18 z voltage 6 = 6.3v z = 10v y = 16v 3 = 25v 5 = 50v d dielectric c = x7r d = x5r low inductance capacitors (snpb) licc 0612/0508/0306 x7r & x5r dielectric the total inductance of a chip capacitor is determined both by its length to width ratio and by the mutual inductance coupling between its electrodes. thus a 1210 chip size has a lower inductance than a 1206 chip. this design improvement is the basis of avx s low inductance chip capacitors (licc), where the electrodes are termi- nated on the long side of the chip instead of the short side. the 1206 becomes an 0612, in the same manner, an 0805 becomes an 0508, an 0603 becomes an 0306. this results in a reduction in inductance from the 1nh range found in normal chip capacitors to less than 0.2nh for liccs. their low profile is also ideal for surface mounting (both on the pcb and on ic package) or inside cavity mounting on the ic itself. mlcc licc how to order 0306 code thickness a 0.61 (0.024) 0508 code thickness s 0.56 (0.022) v 0.76 (0.030) a 1.02 (0.040) 0612 code thickness s 0.56 (0.022) v 0.76 (0.030) w 1.02 (0.040) a 1.27 (0.050) note: contact factory for availability of termination and tolerance options for specific part numbers. solid = x7r = x5r size ld16 ld17 ld18 soldering reflow only reflow only reflow/wave packaging all paper all paper paper/embossed (l) length mm 0.81 0.15 1.27 0.25 1.60 0.25 (in.) (0.032 0.006) (0.050 0.010) (0.063 0.010) (w) width mm 1.60 0.15 2.00 0.25 3.20 0.25 (in.) (0.063 0.006) (0.080 0.010) (0.126 0.010) wvdc 6.3 10 16 25 50 6.3 10 16 25 50 6.3 10 16 25 50 cap 1000 a a a a s s s s v s s s s v (pf) 2200 a a a a s s s s v s s s s v 4700 a a a a s s s s v s s s s v cap 0.010 a a a a s s s s v s s s s v (?) 0.015 a a a a s s s s v s s s s w 0.022 a a a a s s s s v s s s s w 0.047 a a a s s s v a s s s s w 0.068 a a a s s s a a s s s v w 0.10 a a a s s v a a s s s v w 0.15 a a s s v s s s w w 0.22 a a s s a s s v 0.47 v v a s s v 0.68 a a v v w 1.0 a a v v a 1.5 a w w 2.2 aa 3.3 a 4.7 10 wvdc 6.3 10 16 25 50 6.3 10 16 25 50 6.3 10 16 25 50 size 0306 0508 0612
|
