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Tunable Low Profile RF Inductors
148 Series

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SPECIFICATIONS

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Part
Number		 Color Turns No Core
L Nom
(nH)		 L Min
(nH)		 L Nom
(nH)		 L Max
(nH)		 Min Q
@ L Nom		 No Core
SRF Min
(Mhz)
148-01J12 Brown 1 1/2 35 38 39 40 88 @ 50 MHz 3200
148-02J12 Red 2 1/2 44 46 52 58 96 @ 50 MHz 1560
148-03J12 Orange 3 1/2 56 60 73 86 106 @ 50 MHz 1200
148-04J12 Yellow 4 1/2 74 77 101 125 112 @ 50 MHz 980
148-05J12 Green 5 1/2 92 96 130 164 112 @ 50 MHz 820
148-06J12 Blue 6 1/2 114 120 170 220 112 @ 50 MHz 720
148-07J12 Violet 7 1/2 142 154 222 290 110 @ 50 MHz 620
148-08J12 Gray 8 1/2 168 176 262 346 106 @ 25 MHz 570
148-09J12 White 9 1/2 198 208 310 410 104 @ 25 MHz 490
148-10J12 Black 10 1/2 237 250 375 500 90 @ 25 MHz 450
148-11J12 Brown 11 1/2 276 290 435 580 84 @ 25 MHz 410
148-12J12 Red 12 1/2 315 338 500 666 66 @ 25 MHz 350
148-13J12 Orange 13 1/2 344 362 540 710 64 @ 25 MHz 320

1 Core material: Carbonyl J. Core length: .375/9,5
2 Inductance and Q readings taken on HP 4342-A Q meter with 16 AWG tinned copper
   ½" long soldered along leads and bent at 90° ¼" down from standoffs
3 Inductance values at 50 MHz calculated from Cp readings. Inductance values at 25 MHz
   read at standard Q meter frequency (blue line).
4 L min measured with core halfway out top of form.
5 Operating temperature range -40° C to +85° C.

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Updated: July 21, 1999