144-01J12L_13 Datasheet, PDF (2/2 Pages) Coilcraft lnc. – 10 mm Tunable Coils – 142, 143, 144

Document 108-2
Unshielded

No core DCR
Part ^  No core L^{2  } L min³ L nom
L max SRF min max
  _number1
Color Turns nom (nH) (nH)
(nH)
(nH) ^  Q min⁴ (MHz) (mOhm)
144-01J12L
Brown 1½
53
144-02J12L
Red 2½
75
144-03J12L
Orange 3½
99
144-04J12L
Yellow 4½
126
144-05J12L
Green 5½
154
56
59
79
88
104
123
132
164
162
207
62 140
1800
7.4
98 145
1150
8.6
142 147
900
9.7
195 150
765
10.9
252 154
670
12.1
144-06J12L
144-07J12L
144-08J12L
144-09J12L
144-10J12L
Blue 6½
182
Violet 7½
214
Gray 8½
245
White 9½
274
Black 10½
307
193
250
240
298
283
344
328
387
391
442
306 154
356 158
405 160
446 162
493 162
610
13.6
525
14.7
465
15.9
420
17.1
390
18.5
142-01J08L
Brown 1½
63
142-02J08L
Red 2½
92
142-03J08L
Orange 3½
127
142-04J08L
Yellow 4½
166
142-05J08L
Green 5½
212
63
65
93
100
133
145
174
196
226
256
68 115
107 118
157 120
218 125
287 122
980
7.4
600
8.4
470
9.6
420
10.8
370
11.9
142-06J08L
142-07J08L
142-08J08L
142-09J08L
142-10J08L
Blue 6½
258
Violet 7½
307
Gray 8½
357
White 9½
412
Black 10½
464
275
315
330
378
396
450
473
520
550
592
355 112
427 112
504 106
567 110
635 104
340
13.2
310
14.5
290
15.7
270
16.9
260
18.0
143-09J12L
White 9½
385
143-10J12L
Black 10½
438
143-11J12L
Brown 11½
490
143-12J12L
Red 12½
545
143-13J12L
Orange 13½
600
143-14J12L
Yellow 14½
645
404
550
693
86
280
16.7
460
624
788
90
270
17.9
515
708
900
78
260
19.2
578
764
950
84
250
20.5
673
845
1020
84
245
21.7
726
908
1090
82
240
22.8
143-15J12L
Green 15½
692
143-16J12L
Blue 16½
765
143-17J12L
Violet 17½
830
143-18J12L
Gray 18½
895
143-19J12L
White 19½
910
143-20J12L
Black 20½
960
803
891
1010
1100
1200
1300
978
1080
1180
1250
1320
1400
1150
90
1270
74
1340
74
1400
92
1440
98
1500
92
230
23.9
225
25.2
215
26.4
195
27.6
190
28.9
185
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
Shielded

No core DCR
Part ^  No core L^{2  } L min³ L nom
L max SRF min max
  _number1
Color Turns nom (nH) (nH)
(nH)
(nH) ^  Q min⁴ (MHz) (mOhm)
144-01J12SL
Brown 1½
50
144-02J12SL
Red 2½
67
144-03J12SL Orange 3½
88
144-04J12SL
Yellow 4½
106
144-05J12SL
Green 5½
126
52
53
70
74
92
99
111
122
132
149
54
97
2200
7.4
78
98
1200
8.6
106
98
920
9.7
133 100
790
10.9
165 101
685
12.1
144-06J12SL
Blue 6½
147
144-07J12SL
Violet 7½
168
144-08J12SL
Gray 8½
190
1. To order fixed inductance parts
144-09J12SL
White 9½
210
without cores, eliminate the “J08” ^144-10J12SL
Black 10½
232
or “J12”, e.g. 144-01L or 144-01SL. 142-01J08SL
Brown 1½
58
2. Inductance and Q readings taken 142-02J08SL
Red 2½
81
on Boonton 260-A Q meter with _{142-03J08SL Orange 3½}
110
16 AWG tinned copper ¹/2″ long _142-04J08SL
Yellow 4½
140
soldered along leads and bent at
90° ¹/4″ down from standoffs.
142-05J08SL
Green 5½
174
All inductance values greater
142-06J08SL
Blue 6½
210
than 0.1 µH read at recommended ^142-07J08SL
Violet 7½
247
Q meter frequency; those below 142-08J08SL
Gray 8½
284
0.1 µH calculated from readings 142-09J08SL
White 9½
319
taken at 50 MHz.
142-10J08SL
Black 10½
357
3. L min measured with core halfway
out top of form.
143-09J12SL
143-10J12SL
White 9½
Black 10½
300
338
4. Q min measured at L nom at
40 MHz.
143-11J12SL
Brown 11½
377
5. Average current for a 40°C rise
above 25°C ambient.
143-12J12SL
143-13J12SL
Red 12½
Orange 13½
412
452
6. Core material: Carbonyl J
143-14J12SL
Yellow 14½
490
Core length: 142 Series - ¹/4″
143-15J12SL
Green 15½
522
143, 144 Series - ³/8″
143-16J12SL
Blue 16½
575
7. Taps available on 144 series parts 143-17J12SL
Violet 17½
612
at ¹/8, ³/8, ⁵/8 and ⁷/8 turn increments. 143-18J12SL
Gray 18½
650
8. Operating temperature range
143-19J12SL
White 19½
675
−40°C to +85°C.
143-20J12SL
Black 20½
715
9. Electrical specifications at 25°C.
154
175
176
200
202
226
239
256
270
282
196 106
223 104
250 108
274 108
295 106
625
13.6
530
14.7
480
15.9
435
17.1
420
18.5
58
59.5
61
82
1230
7.4
84
86
89
83
650
8.4
115
120
121
85
550
9.6
147
156
160
88
460
10.8
182
197
205
94
410
11.9
220
240
259
280
299
322
338
363
382
410
248
94
290
90
337
86
377
88
422
82
370
13.2
330
14.5
320
15.7
310
16.9
290
18.0
315
369
355
416
396
468
433
509
475
556
515
604
423
80
477
82
540
78
585
80
637
80
693
78
303
16.7
290
17.9
270
19.2
265
20.5
265
21.7
260
22.8
583
660
638
720
693
770
754
814
792
846
847
896
738
80
801
76
846
76
874
82
900
80
945
74
250
23.9
245
25.2
240
26.4
215
27.6
210
28.9
200
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
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Document 108-2  Revised 09/18/08
© Coilcraft Inc. 2013
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.