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"Unicoil" 7 mm Tunable RF Inductors

New RoHS part numbers are shown. Lead was removed from terminations. The last character is now L to indicate RoHS compliance. (View old data sheet.)

  • Windings are precision molded into polypropylene for mechanical and electrical stability
  • Tuning is done by means of a threaded powdered iron core with a slotted socket
  • Optional plated brass shield cans with solderable tabs provide integral shielding
  • Extremely economical, even in small quantities
  • Samples of all 7 mm and 10 mm values are available in Coilcraft Designer's Kit M302
  • RoHS-compliant. Terminations: Series 146 leads  – Tin-silver over copper
    Series 150 leads – Matte tin over copper
    Shield can tabs – Tin-silver over nickel over brass
  • Tune with our handy 3-in-1 "TriTuner" tuning wrench

146 and 150 Series Photo    Pricing    Materials declaration    PDF data sheet

SPECIFICATIONS

Dimensions

Unshielded

150-01J08L Brown 1 1/2 44.5 46.0 49.0 52.0 88 @ 50 MHz 2000 8.0 11.0
150-02J08L Red 2 1/2 58.5 62.0 70.0 78.0 100 @ 50 MHz 1300 9.0 10.5
150-03J08L Orange 3 1/2 77.5 82.0 98.0 114 108 @ 50 MHz 1000 10.5 9.8
150-04J08L Yellow 4 1/2 94.5 108 130 154 114 @ 50 MHz 780 11.6 9.3
150-05J08L Green 5 1/2 116 137 165 193 114 @ 50 MHz 650 13.2 8.7
150-06J08L Blue 6 1/2 138 176 205 234 112 @ 50 MHz 550 14.7 8.2
150-07J08L Violet 7 1/2 156 222 245 268 108 @ 50 MHz 510 16.0 7.9
146-01J08L Brown 1 1/2 45.0 47.0 50.0 53.0 90 @ 50 MHz 1300 8.0 11.0
146-02J08L Red 2 1/2 65.0 68.0 78.0 88.0 100 @ 50 MHz 780 9.0 10.5
146-03J08L Orange 3 1/2 86.0 90.0 108 126 100 @ 50 MHz 560 10.5 9.8
146-04J08L Yellow 4 1/2 111 117 146 175 94 @ 50 MHz 475 11.6 9.3
146-05J08L Green 5 1/2 140 148 190 232 88 @ 50 MHz 430 13.0 8.8
146-06J08L Blue 6 1/2 167 188 240 292 78 @ 50 MHz 390 14.5 8.3
146-07J08L Violet 7 1/2 198 231 292 350 72 @ 50 MHz 350 15.6 8.0
146-08J08L Gray 8 1/2 228 272 342 412 68 @ 50 MHz 330 18.0 7.5
146-09J08L White 9 1/2 264 330 405 480 66 @ 40 MHz 320 19.4 7.2
146-10J08L Black 10 1/2 292 390 465 540 60 @ 40 MHz 290 21.0 6.8
1 To order fixed inductance parts without cores, eliminate the “J08”, e.g. 150-01.

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 stand offs.
All inductance values greater than 0.1 µH read at recommended Q meter frequency.
All inductance values below 0.1 µH calculated from readings taken at 50 MHz.

3

L min measured with core halfway out top of form.

4

Irms: Current that causes a 40°C temperature rise from 25°C ambient. Details

5

Core material: Carbonyl J, 1/4" long.

6

Taps available in 150 Series parts at 1/8, 3/8, 5/8 and 7/8 turns.
7 Ambient temperature range: –40°C to +85°C
8 Storage temperature range: Component: –40°C to +85°C
Packaging: –55°C to +80°C
9 Electrical specifications at 25°C.
Refer to Soldering Coilcraft Components before soldering.
 

Shielded

150-01J08SL Brown 1 1/2 42.5 43.5 44.5 44.5 72 @ 50 MHz 1900 8.0 11.0
150-02J08SL Red 2 1/2 54.0 56.0 60.0 64.0 80 @ 50 MHz 1450 9.0 10.5
150-03J08SL Orange 3 1/2 68.0 71.0 76.0 81.0 84 @ 50 MHz 1100 10.5 9.8
150-04J08SL Yellow 4 1/2 82.5 86.0 95.0 104 85 @ 50 MHz 900 11.6 9.3
150-05J08SL Green 5 1/2 95.5 107 115 123 84 @ 50 MHz 750 13.2 8.7
150-06J08SL Blue 6 1/2 109 125 134 143 82 @ 50 MHz 620 14.7 8.2
150-07J08SL Violet 7 1/2 123 150 156 162 80 @ 50 MHz 560 16.0 7.9
146-01J08SL Brown 1 1/2 44.0 45.0 46.0 47.0 76 @ 50 MHz 1550 8.0 11.0
146-02J08SL Red 2 1/2 59.0 62.0 65.0 68.0 78 @ 50 MHz 850 9.0 10.5
146-03J08SL Orange 3 1/2 75.0 80.0 85.0 90.0 78 @ 50 MHz 660 10.5 9.8
146-04J08SL Yellow 4 1/2 95.0 100 110 120 78 @ 50 MHz 570 11.6 9.3
146-05J08SL Green 5 1/2 115 120 135 150 76 @ 50 MHz 510 13.0 8.8
146-06J08SL Blue 6 1/2 136 142 163 184 72 @ 50 MHz 470 14.5 8.3
146-07J08SL Violet 7 1/2 155 172 194 216 68 @ 50 MHz 430 15.6 8.0
146-08J08SL Gray 8 1/2 176 200 224 248 66 @ 50 MHz 400 18.0 7.5
146-09J08SL White 9 1/2 202 234 260 284 60 @ 50 MHz 360 19.4 7.2
146-10J08SL Black 10 1/2 224 260 288 315 56 @ 50 MHz 330 21.0 6.8
1 To order fixed inductance parts without cores, eliminate the “J08”, e.g. 150-01S.

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 stand offs.
All inductance values greater than 0.1 µH read at recommended Q meter frequency.
All inductance values below 0.1 µH calculated from readings taken at 50 MHz.

3

L min measured with core halfway out top of form.

4

Irms: Current that causes a 40°C temperature rise from 25°C ambient. Details

5

Core material: Carbonyl J, 1/4" long.

6

Taps available in 150 Series parts at 1/8, 3/8, 5/8 and 7/8 turns.
7 Ambient temperature range: –40°C to +85°C
8 Storage temperature range: Component: –40°C to +85°C
Packaging: –55°C to +80°C
9 Electrical specifications at 25°C.
Refer to Soldering Coilcraft Components before soldering.
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Updated: May 21, 2008