document number 34087 revision 02-nov-01 www.vishay.com 53 wvlm vishay dale for technical questions, contact magnetics@vishay .com inductors variable, subminiature, shielded features subminiature shielded adjustable inductor. high q values. vertical or horizontal mounting. unitized epoxy-molded construction. inductance range is 0.10 h to 100,000 h. 0.300" [7.62mm] diameter by 0.400" [10.16mm] length. printed board mounting facilitated by 0.200" [5.08mm] grid spacing. unit has shield construction to allow maximum density packaging. accommodates close inductance adjustments in high density circuits that demand exceptional stability and high ??in the smallest size available. electrical specifications adjustable inductance range: tunable range; 5% for 0.10 h to 1 h. 10% for 1.2 h to 100,000 h. dielectic strength: 840vrms at sea level. working voltage: 300vdc. rated current: based on temperature rise not to exceed 15 c at + 90 c ambient. incremental current: the dc current required to cause a five percent reduction in the nominal inductance value. operating temperature: - 55 c to + 105 c. mechanical specifications tuning tool: use vishay dale no. 642866-01. torque: 0.40 to 6 inch-ounces. terminal pull: 3 pounds. density specifications weight: 1.5 grams maximum. shielding: 3% coupling maximum when two units are tested side by side. vertical style horizontal style tuning tool p/n 642866-01 dimensions in inches [millimeters] 0.020 [0.508] dia. wire phosphor-bronze 3/8 1/16 [9.52 1.59] 0.375 [9.53] 0.320 [8.13] 0.400 [10.16] 0.200 0.010 [5.08 0.254] 0.050 [1.27] 0.200 0.010 [5.08 0.254] #24 0.020 0.002 [0.508 0.051] tcw 3/8 1/16 [9.52 1.59] 0.400 0.030 [10.16 0.762] 0.300 0.020 [7.62 0.508]
wvlm vishay dale document number 34087 revision 02-nov-01 www.vishay.com 54 for technical questions, contact magnetics@vishay .com standard electrical specifications tol. ind. ( h) tunable range q min. test freq. min. (mhz) self-resonant freq. (mhz) dcr (ohms) rated dc current (ma) incremental current* (ma) 0.10 0.12 0.15 0.18 0.22 0.27 0.33 0.39 0.47 0.56 0.68 0.82 1.0 1.2 1.5 1.8 2.2 2.7 3.3 3.9 4.7 5.6 6.8 8.2 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 220 270 330 390 470 560 680 820 1000 1200 1500 1800 2200 2700 3300 3900 4700 5600 6800 8200 10000 12000 15000 18000 22000 27000 33000 39000 47000 56000 68000 82000 100000 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 5% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 10% 45 45 45 45 45 51 51 51 51 51 51 55 55 58 64 74 71 71 58 58 61 61 55 61 58 77 77 74 80 74 77 77 71 74 67 67 61 61 58 61 61 64 64 64 64 61 64 58 64 61 58 64 64 61 58 55 55 51 48 51 45 45 45 45 45 45 45 45 45 45 39 39 39 25 25 25 25 25 25 25 25 25 25 25 25 25 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 7.9 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.79 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.079 0.079 0.079 0.079 0.079 0.079 0.079 0.079 0.079 0.079 0.079 0.079 250 250 250 250 250 250 250 210 184 176 152 144 128 136 124 108 96 83.2 74.4 69.6 63.2 57.6 50.4 48.0 43.2 29.6 23.0 19.0 17.0 16.5 14.9 14.1 11.9 11.1 10.3 9.35 8.40 4.50 4.16 3.92 3.70 3.36 2.83 2.76 2.58 2.34 2.18 2.00 1.88 1.76 1.52 1.44 1.36 1.20 1.12 1.02 0.994 0.744 0.632 0.600 0.560 0.400 0.304 0.288 0.256 0.240 0.216 0.208 0.200 0.192 0.160 0.152 0.136 0.030 0.030 0.030 0.035 0.035 0.040 0.040 0.045 0.045 0.050 0.055 0.060 0.070 0.085 0.100 0.110 0.120 0.125 0.165 0.180 0.245 0.265 0.330 0.460 0.640 0.800 0.865 0.940 1.03 1.18 1.30 1.41 1.61 2.08 2.20 2.42 2.15 2.38 2.52 2.88 3.18 3.50 4.80 5.44 5.90 6.30 7.20 8.00 12.0 13.5 16.5 18.0 20.5 22.5 42.0 47.5 53.0 62.5 69.5 75.0 100.0 64 84 93 104 173 187 220 253 285 311 385 420 1510 1450 1400 1370 1340 1300 1260 1240 1200 1160 1100 1040 986 968 893 853 817 800 696 659 571 550 493 417 359 316 301 292 267 243 231 223 203 191 185 174 180 171 167 156 145 141 121 113 109 105 97 94 76 72 65 62 58 56 41 38 36 33 32 31 26 33 29 27 26 20 19 18 17 16 15 14 13 140 130 125 110 95 90 75 70 65 60 57 55 43 40 37 35 34 33 25 23 20 19 18 17 15 19 17 16 15 13 12 11 10 9 8 7 6 marking ?vishay dale ?wvlm ?value ?date code ordering information 5% inductance tolerance wvlm model 0.10 h inductance value *incremental current: the dc current required to cause a 5% reduction in the nominal inductance value. inductors,variable, subminiature, shielded
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