ECM Axial Molded Choke
ECM
Part
L
(µH)
µ
Tol
%
Q Min.
(**MHz)
SRF
Min.
(MHz)
R
DC
MAX
(Ω )
Ω
I
DC
I
N
(mA)
MF1303 Series Continued…
MF1303T-271
MF1303T-331
MF1303T-391
MF1303T-471
MF1303T-561
MF1303T-681
MF1303T-821
MF1303T-102
270 @ 0.796 MHz
330 @ 0.796 MHz
390 @ 0.796 MHz
470 @ 0.796 MHz
560 @ 0.796 MHz
680 @ 0.796 MHz
820 @ 0.796 MHz
1000 @ 0.796 MHz
J,K
J,K
J,K
J,K
J,K
J,K
J,K
J,K
30
30
30
30
30
30
30
30
8
7
6.5
6
5
4.2
3.8
3.4
25.0
28.0
35.0
42.0
46.0
60.0
65.0
72.0
47
45
40
36
35
30
29
28
MF1304 Series
MF1304T-R15
MF1304T-R18
MF1304T-R22
MF1304T-R27
MF1304T-R33
MF1304T-R39
MF1304T-R47
MF1304T-R56
MF1304T-R68
MF1304T-R82
MF1304T-1R0
MF1304T-1R2
MF1304T-1R5
MF1304T-1R8
MF1304T-2R2
MF1304T-2R7
MF1304T-3R3
MF1304T-3R9
MF1304T-4R7
MF1304T-5R6
MF1304T-6R8
MF1304T-8R2
MF1304T-100
MF1304T-120
MF1304T-150
MF1304T-180
MF1304T-220
MF1304T-270
MF1304T-330
MF1304T-390
0.15 @25.2 MHz
0.18 @25.2 MHz
0.22 @25.2 MHz
0.27 @25.2 MHz
0.33 @25.2 MHz
0.39 @25.2 MHz
0.47 @25.2 MHz
0.56 @25.2 MHz
0.68 @25.2 MHz
0.82 @25.2 MHz
1.0 @25.2 MHz
1.2 @7.96 MHz
1.5 @7.96 MHz
1.8 @7.96 MHz
2.2 @7.96 MHz
2.7 @7.96 MHz
3.3 @7.96 MHz
3.9 @7.96 MHz
4.7 @7.96 MHz
5.6 @7.96 MHz
6.8 @7.96 MHz
8.2 @7.96 MHz
10 @7.96 MHz
12 @2.52 MHz
15 @2.52 MHz
18 @2.52 MHz
22 @2.52 MHz
27 @2.52 MHz
33 @2.52 MHz
39 @2.52 MHz
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
J
50
50
50
45
45
45
45
50
50
50
50
33
33
33
33
33
33
33
33
45
50
50
55
65
65
75
75
60
65
60
525
480
450
400
360
330
310
280
250
220
200
180
160
150
135
120
110
100
90
60
55
50
45
42
40
34
30
25
19
14
0.03
0.04
0.05
0.07
0.09
0.11
0.12
0.13
0.15
0.22
0.29
0.42
0.50
0.65
0.95
1.20
2.00
2.30
2.60
0.32
0.50
0.60
0.90
1.10
1.40
2.25
2.50
2.60
3.00
2.60
2740
2580
2020
1740
1580
1450
1370
1390
1220
1020
880
730
670
590
485
430
335
310
294
565
450
410
335
305
271
213
202
198
185
198
TOLERANCES J=5%; K= 10%; M=20%.
** = Test Frequency as specified in ‘L’ column
ECM Electronics Limited, Penmaen House, Ashington, West Sussex, RH20 3JR, UK
Tel: +44(0)1903 892810: Fax: +44(0)1903 892738. Email: ecm@ecmelectronics.co.uk
Although we have attempted to accurately reflect the products we market. ECM reserve the right without prior notice to
discontinue any product or make design changes we believe necessary.
Issue 1
ECM [ ECM ELECTRONICS LIMITED. ]
