filter inductors toroid features ? choice of encapsulated (te) or dipped (td) styles. ? td style combines low cost with excellent performance in commercial applications. ? high q and wide selection of q versus frequency ranges in one small package. large number of standard inductance values. standard electrical specifications (applies to core only) tc availability *inverse of typical temperature coefficient of polystyrene capacitor. model te-2 td-2 x x x x x te-3 td-3 x x x x x x te-4 td-4 x x x x x x x x te-5 td-5 x x x x x x x x tc code ta tb td te tl* tm tr tw temperature coefficient 0 1% 0 0.1% 0 0.1% 0 0.15% + 40 to + 110ppm/ c + 85 to + 185ppm/ c 0 0.25% 50ppm/ c (typical) 0 0.25% q4 x x x x x x x q3 x x x x x q0 x temperature range - 55 c to + 125 c + 13 c to + 35 c 0 c to + 55 c 0 c to + 55 c - 55 c to + 25 c + 25 c to + 85 c - 65 c to + 125 c - 65 c to + 125 c - 55 c to + 85 c inductance ranges te-5 td-5 te-4 td-4 tc code te-2 td-2 te-3 td-3 electrical specifications tolerance: te-2, td-2 = 1% > 2mh, 2% = .05mh to 2mh. te-3, td-3 = 1% > 2mh, 2% 154 m h to 2mh, 5% < 150 m h. te-4, td-4 = 1% > 2mh, 2% < 2mh. te-5, td-5 = 1% > 2mh, 2% < 2mh. insulation resistance: 1000 megohm minimum. dielectric strength: 1000v minimum (te). 500v minimum (td). mechanical specifications terminal strength: 2 pounds pull test (te). vibration: per mil-t-27 (te). shock: per mil-t-27 (te). weight: te-2 = 2 grams, td-2 = 1.6 grams typical. te-3 = 5.1 grams, td-3 = 4.9 grams typical. te-4 = 20 grams, td-4 = 17 grams typical. te-5 = 53 grams, td-5 = 52 grams typical. material specifications coating: vinyl (td), non-flammable, abrasion and moisture resistant. resists most cleaning agents. (consult factory for chemicals which may be used.) standard terminals: tinned copper (te). stranded, tinned copper, teflon insulated (td). encapsulant: epoxy (te). gauge: te-2 = 24 awg, td-2 = 30 awg. te-3 = 22 awg, td-3 = 26 awg. te-4 = 20 awg, td-4 = 24 awg. te-5 = 20 awg, td-5 = 24 awg. te dimensional configurations model td a dia. max. d b max. c min. g f dia. e [numbers in brackets indicate millimeters] g f e d c b a a dia. max. b max. f min. dia. .375 .125 [9.53 3.18] c min. q0 q3 q4 40 m h to 15mh 475 m h to 120mh 1mh to 250mh 50 m h to 15mh 500 m h to 1h 1mh to 4h 150 m h to 20mh 1mh to 2h 2mh to 5h 1mh to 100mh 5mh to 2h 10mh to 5h .437 [11.10] .437 [11.10] .685 [17.40] .685 [17.40] 1.06 [26.92] 1.06 [26.92] 1.32 [33.53] 1.32 [33.53] .270 [6.86] .250 [6.35] .385 [9.78] .320 [8.13] .500 [12.70] .437 [11.10] .725 [18.42] .688 [17.48] 1.0 [25.40] 2.0 [50.80] 1.0 [25.40] 3.0 [76.20] 1.0 [25.40] 4.0 [101.60] 1.0 [25.40] 6.0 [152.40] .020 [.508] .025 [.635] .032 [.813] .032 [.813] .300 [7.62] .500 [12.70] .900 [22.86] 1.0 [25.40] .093 [2.36] .125 [3.18] .120 [3.05] .220 [5.59] .144 [3.66] .220 [5.59] .250 [6.35] .450 [11.43] .500 [12.70] te-2 td-2 te-3 td-3 te-4 td-4 te-5 td-5 models te and td vishay dale document number 34078 revision 13-jul-00 www.vishay.com 140
dc resistance and self-resonant frequencies (typical values) self-resonant frequency (mhz) model te-2, td-2 te-2, td-2 te-2, td-2 te-2, td-2 te-2, td-2 te-2, td-2 te-2, td-2 te-2, td-2 te-2, td-2 te-2, td-2 te-3, td-3 te-3, td-3 te-3, td-3 te-3, td-3 te-3, td-3 te-3, td-3 te-3, td-3 te-3, td-3 te-3, td-3 te-3, td-3 te-3, td-3 te-3, td-3 te-4, td-4 te-4, td-4 te-4, td-4 te-4, td-4 te-4, td-4 te-4, td-4 te-4, td-4 te-4, td-4 te-5, td-5 te-5, td-5 te-5, td-5 te-5, td-5 te-5, td-5 te-5, td-5 te-5, td-5 te-5, td-5 te-5, td-5 inductance .05mh .10mh .332mh .475mh 1.0mh 3.32mh 10.0mh 33.2mh 100.0mh 250.0mh 50.0 m h 100.0 m h 332.0 m h 1.0mh 3.32mh 10.0mh 15.0mh 33.2mh 100.0mh 332.0mh 1.0h 4.0h 150.0 m h 1.0mh 2.0mh 10.0mh 20.0mh 100.0mh 1.0h 2.0h 1.0mh 3.32mh 5.0mh 10.0mh 33.2mh 100.0mh 332.0mh 1.0h 2.0h q0 1.9 2.7 7.7 9.3 26.0 79.0 251.0 .68 1.0 3.3 6.9 24.0 84.0 106.0 .54 2.8 5.5 27.0 54.0 1.8 5.2 6.5 13.0 49.0 133.0 q3 2.3 4.2 9.7 31.0 118.0 408.0 1.5 4.1 14.0 17.0 40.0 138.0 555.0 1500.0 .7 1.4 4.9 9.6 56.0 570.0 1200.0 1.8 2.4 8.8 27.0 80.0 222.0 475.0 q4 2.3 5.4 18.0 54.0 227.0 450.0 .82 2.3 5.9 9.1 18.0 58.0 220.0 670.0 2700.0 .78 2.5 5.0 23.0 260.0 520.0 1.7 3.9 11.0 44.0 121.0 217.0 q4 2.0 .95 .43 .21 .10 .05 1.0 .55 .25 .21 .12 .077 .038 .019 .009 .45 .18 .13 .051 .014 .011 .15 .086 .044 .024 .012 .008 q3 2.4 1.2 .79 .40 .18 .06 1.1 .57 .29 .24 .14 .08 .04 .021 .75 .54 .21 .15 .059 .016 .013 .32 .20 .11 .057 .032 .016 .012 q0 10.0 7.0 3.1 2.5 1.4 .70 .34 7.6 5.1 2.9 1.4 .79 .40 .34 2.6 1.0 .64 .24 .18 .80 .44 .33 .21 .12 .061 dcr (ohms) the following standardization chart is offered for your design and ordering convenience. each value listed is within one percent of the preceding and succeeding values shown. all decade multiples of these values, within the range shown for each model in the chart, are vishay dale standard values. (example: for a te-2, 200 m h, 20mh and 200mh are all decade multiples of 2.00 and are all standard values.) standard inductance value 8.66 8.87 9.00 9.09 9.31 9.53 9.76 7.32 7.50 7.68 7.87 8.00 8.06 8.25 8.45 6.19 6.34 6.49 6.65 6.81 6.98 7.00 7.15 5.23 5.36 5.49 5.62 5.76 5.90 6.00 6.04 4.42 4.53 4.64 4.75 4.87 4.99 5.00 5.11 3.74 3.83 3.92 4.00 4.02 4.12 4.22 4.32 3.09 3.16 3.24 3.32 3.40 3.48 3.57 3.65 2.61 2.67 2.74 2.80 2.87 2.94 3.00 3.01 2.15 2.21 2.26 2.32 2.37 2.43 2.49 2.55 1.78 1.82 1.87 1.91 1.96 2.00 2.05 2.10 1.47 1.50 1.54 1.58 1.62 1.65 1.69 1.74 1.21 1.24 1.27 1.30 1.33 1.37 1.40 1.43 1.00 1.02 1.05 1.07 1.10 1.13 1.15 1.18 models te and td vishay dale document number 34078 revision 13-jul-00 www.vishay.com 141 obsolete
te-2, td-2 te-3, td-3 performance graphs: inductance vs dc bias, inductance vs ac excitation te-5, td-5 te-4, td-4 1 10 100 1000 10,000 inductor current in ma x inductance in mh 0 - 5 - 10 - 15 - 20 - 25 % inductance change dc effect q3 q4 q3 q4 ac effect dc effect q0 0 - 5 - 10 - 15 - 20 - 25 dc effect dc effect ac effect q3 q4 q4 1 10 100 1000 10,000 inductor current in ma x inductance in mh q0 q3 % inductance change inductor current in ma x inductance in mh 1 10 100 1000 10,000 0 - 5 - 10 - 15 - 20 - 25 dc effect ac effect q4 q4 q3 q0 dc effect q3 % inductance change 0 - 5 - 10 - 15 - 20 - 25 dc effect ac effect dc effect q3 q4 q0 q3 1 10 100 1000 10,000 inductor current in ma x inductance in mh q4 % inductance change models te and td vishay dale document number 34078 revision 13-jul-00 www.vishay.com 142 obsolete
performance graphs: typical q vs frequency te-2, td-2 te-3, td-3 1 10 100 1000 10,000 q0 10 100 10 mh 3.3 mh 330 m h 100 m h 50 m h 1 mh q frequency - khz frequency - khz 10 q0 100 1000 15 mh 3.3 mh 1 mh 330 m h 50 m h q 10 100 1000 10,000 1 frequency - khz 1 10 100 1000 q3 10 100 .47 mh 1 mh 120 mh 100 mh 10 mh q 3.3 mh 33 mh frequency - khz 10 q3 100 q 1000 1 10 100 1000 1 h 100 mh 10 mh 1 mh 10 q q4 4 h 100 mh 1 mh 10 mh 1 h 1 10 100 1000 frequency - khz 100 1 1 q4 10 q 100 1 10 100 1000 frequency - khz 3.3 mh 10 mh 33 mh 100 mh 250 mh 1 mh models te and td vishay dale document number 34078 revision 13-jul-00 www.vishay.com 143 obsolete
performance graphs: typical q vs frequency te-4, td-4 te-5, td-5 10 frequency - khz 10 100 1000 10,000 q0 100 1000 3.3 mh 10 mh 150 m h 1 mh 20 mh q frequency - khz 1 10 100 1000 q0 100 1000 1 mh 10 mh 100 mh q 10 q3 100 q 1000 5 mh 2 h 10 100 mh 0.1 1 10 100 frequency - khz 330 mh 10 frequency - khz q3 100 100 mh 10 mh 1 mh 1 h 1 10 100 1000 1000 q q4 100 1000 0.1 1 10 100 frequency - khz 10 2 mh 10 mh 100 mh 7.5 h q 1 h q q4 frequency - khz 1 h 100 mh 10 mh 20 h 10 100 1000 0.1 1 10 100 vishay dale model q type tc code inductance value inductance tolerance date code part marking 1% inductance tolerance te-5 model 5mh inductance value tr tc code q0 q type how to order models te and td vishay dale document number 34078 revision 13-jul-00 www.vishay.com 144
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