Document 108-2
No core
SRF min
DCR
max
Unshielded
Part
No core L2
L min3
(nH)
L nom
(nH)
L max
(nH)
Irms5
number1
Color
Turns nom (nH)
Q min4 (MHz) (mOhm)
(A)
144-01J12L
144-02J12L
144-03J12L
144-04J12L
144-05J12L
Brown
Red
Orange
Yellow
Green
1½
2½
3½
4½
5½
53
75
99
126
154
56
79
104
132
162
59
88
123
164
207
62
98
142
195
252
140
145
147
150
154
1800
1150
900
765
670
7.4
8.6
9.7
10.9
12.1
11.0
10.0
9.6
9.0
8.6
144-06J12L
144-07J12L
144-08J12L
144-09J12L
144-10J12L
Blue
Violet
Gray
White
Black
6½
7½
8½
9½
10½
182
214
245
274
307
193
240
283
328
391
250
298
344
387
442
306
356
405
446
493
154
158
160
162
162
610
525
465
420
390
13.6
14.7
15.9
17.1
18.5
8.1
7.8
7.5
7.2
7.0
142-01J08L
142-02J08L
142-03J08L
142-04J08L
142-05J08L
Brown
Red
Orange
Yellow
Green
1½
2½
3½
4½
5½
63
92
127
166
212
63
93
133
174
226
65
100
145
196
256
68
107
157
218
287
115
118
120
125
122
980
600
470
420
370
7.4
8.4
9.6
10.8
11.9
13.4
12.5
11.8
11.1
10.5
142-06J08L
142-07J08L
142-08J08L
142-09J08L
142-10J08L
Blue
Violet
Gray
White
Black
6½
7½
8½
9½
10½
258
307
357
412
464
275
330
396
473
550
315
378
450
520
592
355
427
504
567
635
112
112
106
110
104
340
310
290
270
260
13.2
14.5
15.7
16.9
18.0
10.0
9.6
9.2
8.9
8.6
143-09J12L
143-10J12L
143-11J12L
143-12J12L
143-13J12L
143-14J12L
143-15J12L
143-16J12L
143-17J12L
143-18J12L
143-19J12L
143-20J12L
White
Black
Brown 11½
Red 12½
Orange 13½
Yellow 14½
Green 15½
Blue
Violet
Gray
White
Black
9½
10½
385
438
490
545
600
645
692
765
830
895
910
960
404
460
515
578
673
726
803
891
1010
1100
1200
1300
550
624
708
764
845
908
978
1080
1180
1250
1320
1400
693
788
900
950
1020
1090
1150
1270
1340
1400
1440
1500
86
90
78
84
84
82
90
74
74
92
98
92
280
270
260
250
245
240
230
225
215
195
190
185
16.7
17.9
19.2
20.5
21.7
22.8
23.9
25.2
26.4
27.6
28.9
30.0
7.3
7.1
6.8
6.6
6.4
6.3
6.1
6.0
5.8
5.7
5.6
5.5
16½
17½
18½
19½
20½
No core
SRF min
DCR
max
Shielded
Part
No core L2
L min3
(nH)
L nom
(nH)
L max
(nH)
Irms5
number1
Color
Turns nom (nH)
Q min4 (MHz) (mOhm)
(A)
144-01J12SL
144-02J12SL
144-03J12SL
144-04J12SL
144-05J12SL
Brown
Red
Orange
Yellow
Green
1½
2½
3½
4½
5½
50
67
88
106
126
52
70
92
111
132
53
74
99
122
149
54
78
106
133
165
97
98
98
100
101
2200
1200
920
790
685
7.4
8.6
9.7
10.9
12.1
11.0
10.0
9.6
9.0
8.6
144-06J12SL
144-07J12SL
144-08J12SL
144-09J12SL
144-10J12SL
Blue
Violet
Gray
White
Black
6½
7½
8½
9½
10½
147
168
190
210
232
154
176
202
239
270
175
200
226
256
282
196
223
250
274
295
106
104
108
108
106
625
530
480
435
420
13.6
14.7
15.9
17.1
18.5
8.1
7.8
7.5
7.2
7.0
1. To order fixed inductance parts
without cores, eliminate the “J08” or
“J12”, e.g. 144-01L or 144-01SL.
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 standoffs.
142-01J08SL
142-02J08SL
142-03J08SL
142-04J08SL
142-05J08SL
Brown
Red
Orange
Yellow
Green
1½
2½
3½
4½
5½
58
81
110
140
174
58
84
115
147
182
59.5
86
120
156
197
61
89
121
160
205
82
83
85
88
94
1230
650
550
460
410
7.4
8.4
9.6
10.8
11.9
13.4
12.5
11.8
11.1
10.5
All inductance values greater
than 0.1 µH read at recommended
Q meter frequency; those below
0.1 µH calculated from readings
taken at 50 MHz.
3. L min measured with core halfway
out top of form.
4. Q min measured at L nom at
40 MHz.
5. Average current for a 40°C rise
above 25°C ambient.
142-06J08SL
142-07J08SL
142-08J08SL
142-09J08SL
142-10J08SL
Blue
Violet
Gray
White
Black
6½
7½
8½
9½
10½
210
247
284
319
357
220
259
299
338
382
240
280
322
363
410
248
290
337
377
422
94
90
86
88
82
370
330
320
310
290
13.2
14.5
15.7
16.9
18.0
10.0
9.6
9.2
8.9
8.6
143-09J12SL
143-10J12SL
143-11J12SL
143-12J12SL
143-13J12SL
143-14J12SL
143-15J12SL
143-16J12SL
143-17J12SL
143-18J12SL
143-19J12SL
143-20J12SL
White
Black
Brown 11½
Red 12½
Orange 13½
Yellow 14½
Green 15½
Blue
Violet
Gray
White
Black
9½
10½
300
338
377
412
452
490
522
575
612
650
675
715
315
355
396
433
475
515
583
638
693
754
792
847
369
416
468
509
556
604
660
720
770
814
846
896
423
477
540
585
637
693
738
801
846
874
900
945
80
82
78
80
80
78
80
76
76
82
80
74
303
290
270
265
265
260
250
245
240
215
210
200
16.7
17.9
19.2
20.5
21.7
22.8
23.9
25.2
26.4
27.6
28.9
30.0
7.3
7.1
6.8
6.6
6.4
6.3
6.1
6.0
5.8
5.7
5.6
5.5
6. Core material: Carbonyl J
Core length: 142 Series - 1/4″
143, 144 Series - 3/8″
16½
17½
18½
19½
20½
7. Taps available on 144 series parts
at 1/8, 3/8, 5/8 and 7/8 turn increments.
8. Operating temperature range
−40°C to +85°C.
9. Electrical specifications at 25°C.
Specifications subject to change without notice.
Please check our website for latest information.
Document108-2 Revised09/18/08
© Coilcraft, Inc. 2008
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