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| Document 108-1 10 mm Tunable Coils-142, 143, 144 Series These Coilcraft variable inductors are precision molded in plastic to ensure constant winding pitch and a consistent relationship to the printed circuit board. Extremely economical, even in small quantities, the coils come in standard inductance values from 0.05 H to 1.5 H. 144 Series parts are also available with a tap to meet specific requirements. Tuning is done by means of a threaded powdered iron core with a hex socket for easy, positive adjustment. Plated brass shield cans with solderable tabs are optional. These parts can be odered without cores for use as fixed inductors. Coilcraft Designer's Kit M302 contains samples of all standard 10 mm and 7 mm tunable inductors. To order, contact Coilcraft or visit http://order.coilcraft.com to purchase on-line. Unshielded Styles 0.380 0.005 square 9,65 0,13 0.470 0.020 11,94 0,51 0.704 0.020 17,88 0,51 (142 Series only) 0.138 0.040 3,5 1,02 0.276 0.007 7,01 0,18 TRITUNER 3 TOOLS IN 1 SEE INDEX TUNING WRENCH Weight: 142 series 143 series 144 series Unshielded 1.39 - 1.82 g 1.75 - 2.40 g 1.22 - 1.74 g With shield can 1.64 - 2.16 g 2.85 - 3.54 g 2.35 - 2.91 g Start 0.276 0.007 7,01 0,18 Finish 0.025 0.002 dia 0,635 0,05 With Shield Can 0.411 sq max 10,44 0.531 max 13,49 0.750 max 19,05 (142 Series only) 0.060 0.010 1,52 0,25 Start Recommended Board Layout 0.375 Tab centers 9,53 0.197 (optional, for tuning 5,00 through the board) 0.080 (for shield 2,03 can tabs) 0.138 3,505 0.138 3,505 0.197 dia 5,00 Finish 0.157 0.010 3,99 0,25 Tab length Terminations: C L 0.045 (2) 1,143 0.1875 4,76 C L Resistance to soldering heat: Wave solder only. Recommended maximum board surface temperature of 168C (334F) for no more than three seconds. Pre-heating is recommended to minimize time over the solder nozzle. Series 142 and 143 leads: Tin-silver over copper Series 144 leads: Matte tin over copper Shield can tabs: Tin-silver over nickel over brass Specifications subject to change without notice. Please check our website for latest information. Document 108-1 Revised 09/18/08 (c) Coilcraft, Inc. 2008 Document 108-2 Unshielded Part number1 144-01J12L 144-02J12L 144-03J12L 144-04J12L 144-05J12L 144-06J12L 144-07J12L 144-08J12L 144-09J12L 144-10J12L 142-01J08L 142-02J08L 142-03J08L 142-04J08L 142-05J08L 142-06J08L 142-07J08L 142-08J08L 142-09J08L 142-10J08L 143-09J12L 143-10J12L 143-11J12L 143-12J12L 143-13J12L 143-14J12L 143-15J12L 143-16J12L 143-17J12L 143-18J12L 143-19J12L 143-20J12L Color Brown Red Orange Yellow Green Blue Violet Gray White Black Brown Red Orange Yellow Green Blue Violet Gray White Black White Black Brown Red Orange Yellow Green Blue Violet Gray White Black Turns 11/2 21/2 31/2 41/2 51/2 61/2 71/2 81/2 91/2 101/2 11/2 21/2 31/2 41/2 51/2 61/2 71/2 81/2 91/2 101/2 91/2 101/2 111/2 121/2 131/2 141/2 151/2 161/2 171/2 181/2 191/2 201/2 No core L2 nom (nH) 53 75 99 126 154 182 214 245 274 307 63 92 127 166 212 258 307 357 412 464 385 438 490 545 600 645 692 765 830 895 910 960 L min3 (nH) 56 79 104 132 162 193 240 283 328 391 63 93 133 174 226 275 330 396 473 550 404 460 515 578 673 726 803 891 1010 1100 1200 1300 L nom (nH) 59 88 123 164 207 250 298 344 387 442 65 100 145 196 256 315 378 450 520 592 550 624 708 764 845 908 978 1080 1180 1250 1320 1400 L max (nH) 62 98 142 195 252 306 356 405 446 493 68 107 157 218 287 355 427 504 567 635 693 788 900 950 1020 1090 1150 1270 1340 1400 1440 1500 Q min4 No core DCR SRF min max (MHz) (mOhm) 1800 1150 900 765 670 610 525 465 420 390 980 600 470 420 370 340 310 290 270 260 280 270 260 250 245 240 230 225 215 195 190 185 7.4 8.6 9.7 10.9 12.1 13.6 14.7 15.9 17.1 18.5 7.4 8.4 9.6 10.8 11.9 13.2 14.5 15.7 16.9 18.0 16.7 17.9 19.2 20.5 21.7 22.8 23.9 25.2 26.4 27.6 28.9 30.0 Irms5 (A) 11.0 10.0 9.6 9.0 8.6 8.1 7.8 7.5 7.2 7.0 13.4 12.5 11.8 11.1 10.5 10.0 9.6 9.2 8.9 8.6 7.3 7.1 6.8 6.6 6.4 6.3 6.1 6.0 5.8 5.7 5.6 5.5 140 145 147 150 154 154 158 160 162 162 115 118 120 125 122 112 112 106 110 104 86 90 78 84 84 82 90 74 74 92 98 92 Shielded Part number1 144-01J12SL 144-02J12SL 144-03J12SL 144-04J12SL 144-05J12SL 144-06J12SL 144-07J12SL 144-08J12SL 144-09J12SL 144-10J12SL 142-01J08SL 142-02J08SL 142-03J08SL 142-04J08SL 142-05J08SL 142-06J08SL 142-07J08SL 142-08J08SL 142-09J08SL 142-10J08SL 143-09J12SL 143-10J12SL 143-11J12SL 143-12J12SL 143-13J12SL 143-14J12SL 143-15J12SL 143-16J12SL 143-17J12SL 143-18J12SL 143-19J12SL 143-20J12SL Color Brown Red Orange Yellow Green Blue Violet Gray White Black Brown Red Orange Yellow Green Blue Violet Gray White Black White Black Brown Red Orange Yellow Green Blue Violet Gray White Black Turns 11/2 21/2 31/2 41/2 51/2 61/2 71/2 81/2 91/2 101/2 11/2 21/2 31/2 41/2 51/2 61/2 71/2 81/2 91/2 101/2 91/2 101/2 111/2 121/2 131/2 141/2 151/2 161/2 171/2 181/2 191/2 201/2 No core L2 nom (nH) 50 67 88 106 126 147 168 190 210 232 58 81 110 140 174 210 247 284 319 357 300 338 377 412 452 490 522 575 612 650 675 715 L min3 (nH) 52 70 92 111 132 154 176 202 239 270 58 84 115 147 182 220 259 299 338 382 315 355 396 433 475 515 583 638 693 754 792 847 L nom (nH) 53 74 99 122 149 175 200 226 256 282 59.5 86 120 156 197 240 280 322 363 410 369 416 468 509 556 604 660 720 770 814 846 896 L max (nH) 54 78 106 133 165 196 223 250 274 295 61 89 121 160 205 248 290 337 377 422 423 477 540 585 637 693 738 801 846 874 900 945 Q min4 97 98 98 100 101 106 104 108 108 106 82 83 85 88 94 94 90 86 88 82 80 82 78 80 80 78 80 76 76 82 80 74 No core DCR SRF min max (MHz) (mOhm) 2200 1200 920 790 685 625 530 480 435 420 1230 650 550 460 410 370 330 320 310 290 303 290 270 265 265 260 250 245 240 215 210 200 7.4 8.6 9.7 10.9 12.1 13.6 14.7 15.9 17.1 18.5 7.4 8.4 9.6 10.8 11.9 13.2 14.5 15.7 16.9 18.0 16.7 17.9 19.2 20.5 21.7 22.8 23.9 25.2 26.4 27.6 28.9 30.0 Irms5 (A) 11.0 10.0 9.6 9.0 8.6 8.1 7.8 7.5 7.2 7.0 13.4 12.5 11.8 11.1 10.5 10.0 9.6 9.2 8.9 8.6 7.3 7.1 6.8 6.6 6.4 6.3 6.1 6.0 5.8 5.7 5.6 5.5 1. To order fixed inductance parts without cores, eliminate the "J08" or "J12", e.g. 144-01L or 144-01SL. 2. Inductance and Q readings taken on Boonton 260-A Q meter with 16 AWG tinned copper 1/2 long soldered along leads and bent at 90 1/4 down from standoffs. All inductance values greater than 0.1 H read at recommended Q meter frequency; those below 0.1 H calculated from readings taken at 50 MHz. 3. L min measured with core halfway out top of form. 4. Q min measured at L nom at 40 MHz. 5. Average current for a 40C rise above 25C ambient. 6. Core material: Carbonyl J Core length: 142 Series - 1/4 143, 144 Series - 3/8 7. Taps available on 144 series parts at 1/8, 3/8, 5/8 and 7/8 turn increments. 8. Operating temperature range -40C to +85C. 9. Electrical specifications at 25C. Specifications subject to change without notice. Please check our website for latest information. Document 108-2 Revised 09/18/08 (c) Coilcraft, Inc. 2008 |
Price & Availability of 142-04J08L
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