electro tuchnik fetco type ftrf rf tuneable coils - 7mm features: ? standard inductance values range from 0.046 iih to 0.540 ph ? 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 mm. & max. settings ? tapped windings, and numerous core materials and core lengths are available for custom designs - consult factory dimensions (inches) unshielded coil form base .040 0.025 . 002 ii 4pl standoff configurat and location optional .287 005 inc connection top view notes: 1. standard core materials are carbonyl sf, e, and ]. 2. all q measurements are made on a hp-4342a q meter. 3. inductance measurements are made on a hp-4191a. - i i 345 .370 i -i i 005 005 h 2 .010 thk __ ~ limo .045 020 shield tab pin2 pini + .025 002 .20 4pl + pin3 pin4 *-.20 ~ 001 bottom view fetco ordering information ftrf - 2 - 0.135 1 2 3 1. fetco type 2. unshielded: (1) or shielded: (2) 3. inductance value @ nominal toll free: 800/576-9579 phone: 813/536-7861 fax: 813/535-3508 l-b(l) fetco p.o. box 4050 clearwater, fl 34618 i i shielded 01 square !~ /1 .130 4 pl eluctro technik
electro technik fetco type ftri electrical specifications @ 250c - unshielded fetco type inductance q minimum no core minimum nominal maximum 0 nominal test frequency mhz ftrf .045 .046 .050 .054 88 50 ftrf .050 .052 .057 .062 90 ftrf .059 .060 .069 .078 100 ftrf .065 .068 .078 .088 100 ftrf .078 .082 .098 .114 100 ftrf .086 .090 .108 .126 100 ftrf .095 .108 .130 .154 114 ftrf .116 .136 .165 .193 114 ftrf .140 .148 .190 .232 88 ftrf .167 .188 .240 .292 78 ftrf .198 .231 .292 .350 72 ftrf .228 .272 .342 .412 68 ftrf .264 .330 .405 .480 67 ftrf .292 .390 .465 .540 61 electrical specifications @ 250c - shielded inductance 0 test fetco type ~ih minimum no core minimum nominal maximum 0 nominal frequency mhz ftrf .044 .045 .046 .049 76 50 ftrf .047 .048 .051 .054 78 ftrf .054 .056 .060 .064 80 ftrf .059 .062 .065 .068 78 ftrf .068 .071 .076 .081 84 ftrf .075 .080 .085 .090 78 ftrf .083 .086 .095 .104 85 ftrf .095 .100 .110 .120 78 ftrf .115 .120 .135 .150 76 ftrf .136 .142 .163 .184 72 f~rf .155 .172 .194 .216 68 ftrf .176 .200 .224 .248 66 ftrf .202 .234 .260 .284 60 ftrf .224 .260 .288 .315 56 tall free: 800/576-9579 phone: 813/536-7861 fax: 813/535-3508 2-b(l) fetco p.o. box 4050 clearwater. fl 34618 i~i electra tuc
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