.160 .005 tuning core coil form base .040 max. 0.025 .002 4 pl standoff configuration and location optional .050 .040 max. .287 .005 .20 .287 .005 .20 .001 pin 1 marking top or side wiring connection top view 1 4 3 2 mounting plate .130 4 pl .010 .002 thk .050 .045 .345 .005 .370 .005 .180 .020 .310 .01 square pin 3 pin 4 pin 1 .025 .00 2 4 pl pin 2 shield tab bottom view .20 .20 .001 rf tunable coils - high frequency features: application frequency from 10 mhz to 100 mhz. standard inductance values range from 12.0 h to 860.0 h. coil form material is a glass epoxy lamination for higher temperature. available unshielded or shielded with an optional plated brass can that provides shielding and mechanical stability. core does not protrude past coil form between min. & max. settings. tapped windings, and numerous core materials and core lengths are available for custom designs - consult factory. dimensions (inches) unsh ielded winatic shielded type fthf inductance h q minimum test freq. type minimum nominal maximum @ nominal mhz fthf 12.0 15.0 18.0 65 fthf 15.4 16.0 16.5 90 fthf 23.5 25.0 26.5 65 fthf 32.0 37.0 42.0 65 fthf 39.0 43.5 48.0 65 fthf 45.0 52.5 60.0 90 80 fthf 56.0 69.5 83.0 90 fthf 69.0 76.5 94.0 72 fthf 83.0 90.5 98.0 80 fthf 85.0 109.0 133.0 81 fthf 121.0 158.5 196.0 75 fthf 159.0 216.0 273.0 70 fthf 170.0 197.5 225.0 80 fthf 180.0 245.0 310.0 90 fthf 202.0 272.5 343.0 90 fthf 204.0 270.0 336.0 80 40 fthf 260.0 340.6 420.0 90 fthf 280.0 372.5 465.0 80 fthf 312.0 446.5 581.0 90 fthf 370.0 520.0 670.0 90 electro technik ph: 727.538.8917 fx: 727.531.1592 www.winatic.com winatic 12449 enterprise blvd. largo, fl 33773 electro technik notes: 1. standard core materials are carbonyl sf, e, and j. 2. all inductance into measurements are made on a hp-4191a. ordering fthf - 2 - 147.5 information 1 2 3 1. type 2. unshielded: (1) or shielded: (2) 3. inductance value @ nominal inductance h q minimum test freq. type minimum nominal maximum @ nominal mhz fthf 35.0 38.5 42.0 80 fthf 53.0 63.0 73.0 80 fthf 90.0 110.3 130.6 80 fthf 103.0 111.0 119.0 75 fthf 118.0 147.0 176.0 60 80 fthf 121.0 158.5 196.0 75 fthf 140.0 147.5 155.0 70 fthf 159.0 216.0 273.0 70 fthf 190.0 250.0 310.0 70 fthf 202.0 268.0 335.0 90 fthf 240.0 310.0 380.0 80 fthf 260.0 330.0 400.0 80 fthf 287.0 388.0 490.0 80 fthf 300.0 400.0 500.0 60 40 fthf 331.0 451.0 570.0 80 fthf 365.0 492.0 620.0 60 fthf 400.0 550.0 700.0 75 fthf 410.0 575.0 740.0 55 fthf 480.0 670.0 860.0 55 electrical specifica tions 25c - unshielded electric al specifica tions 25c - shielded
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