EC CORES

TYPE
DIMENSIONS (mm)
AL (nh) +30% -20%
A
B
C
D
E
F
G
CF129
CF196
CF138
EC 7017
70.00+1.70
44.50+1.20
34.50+0.30
22.75+0.45
16.40+0.40
16.40+0.40
4.75 +0.25
4000 4200 4400
EC 4215 42.00+0.60 29.4 min. 22.40+0.20 15.40+0.30
15.50+0.20
15.50+0.25
--
4200 4350 4550
EC 4112 40.60+1.00 26.30+1.50 19.35+0.30 13.50+0.80
11.90-0.60
11.90-0.60
3.00+0.50
2800 2900 3000
EC4013L 40.00+0.40 29.6 min. 24.00+0.20 17.00+0.25
13.25+0.25
13.40+0.20
--
2900 3100 3300
EC 4013 40.00+0.40 29.6 min. 22.32+0.20 15.75+0.20
13.25+0.25
13.40+0.20
--
3000 3100 3200
EC 3510 34.50+0.80 22.75+0.55 17.30+0.15 11.90+0.70
   9.80-0.60
   9.80-0.60
2.75+0.25
2100 2200 2300

 
ETD CORES


TYPE
DIMENSIONS (mm)
AL (nh) +30%
            -20%
A
B
C
D
E
F
CF 129
CF 196
CF 138
ETD 5922
59.80+1.40
44.70+1.10
31.00+0.20
22.45+0.45
21.65+0.45
21.65+0.45
5450
5700
5950
ETD 5419
54.50+1.30
41.20+1.10
27.60+0.20
20.20+0.40
18.90+0.40
18.90+0.40
4550
4750
4850
ETD 4917
48.50+1.30
        -0.90
36.10+1.80
24.90-0.40
18.50+0.30
16.70-0.80 
16.70-0.80 
3800
3950
4100
ETD 4415
43.80+1.20
        -0.80
32.50+1.60
22.50-0.04
16.10 min.
15.20-0.80
15.20-0.80
3450
3600
3750
ETD 3913B
38.90+1.10
        -0.70
29.30+1.60
17.80+0.20
12.06+0.04
12.80-0.60
12.80-0.60
3100
3200
3300
ETD 3913
38.90+1.10
        -0.70
29.30+1.60
20.00-0.40
14.02 min.
12.80-0.60
12.80-0.60
2750
2850
2950
ETD 3411D
34.21+0.79
26.31+0.69
17.30+0.20
12.09+0.28
10.80+0.23
10.80+0.30
2400
2500
2600
ETD 3411A
34.00+1.00
        -0.60
25.60+1.40
13.00+0.13
7.80+0.13
10.80+0.23
10.80+0.23
3250
3350
3450
ETD 3411
34.00+1.00
        -0.60
25.60+1.40
17.50-0.40
11.80 min.
11.10-0.60
11.10-0.60
2400
2500
2600
ETD 2910E
30.60-1.60
22.00+1.40
19.80+0.20
15.00+0.30
09.80-0.60
9.80-0.60
1800
1900
2000
ETD 2910
30.60-1.60
22.00+1.40
16.00-0.40
10.70+0.60
09.80-0.60
9.80-0.60
2150
2250
2350

 
EER CORES

TYPE
DIMENSIONS (mm)
AL (nh) +30%
            -20%
A
B
C
D
E
F
CF 129
CF 196
CF 138
EER 4518A
45.00+0.90
33.80+0.80
17.50+0.20
10.95+0.25
17.60+0.40
17.60+0.40
5900
6150
6400
EER 4320
42.80+0.60
32.80+0.50
21.40+0.20
15.50+0.20
17.30+0.25
19.60+0.30
4950
5150
5350
EER 4217
42.15+0.65
30.30+0.50
25.00+0.15
17.50+0.15
17.50+0.25 
17.30+0.25
4600
4800
5000
EER 3913
39.00+1.40
28.60+1.00
22.20+0.20
17.00+0.25
12.80+0.20
12.80+0.20
2650
2750
2850
EER 3511
35.00+0.50
25.60+1.00
22.50+0.30
16.50+0.30
11.30-0.30
11.30+0.30
2450
2600
2750
EER 2811A
28.50+0.60
        -0.50
21.2 min.
14.00+0.20
9.65+0.25
9.90+0.25
11.40+0.25
2650
2750
2900
EER 2811B
28.50+0.60
        -0.50
21.2 min.
9.40+0.20
6.20+0.15
9.90+0.25
11.40+0.25
3200
3300
3400
EER 2811
34.00+0.60
        -0.50
21.2 min.
16.90+0.25
12.50+0.30
        -0.25
9.90+0.25
11.40+0.25
2200
2300
2400

 
EFF CORES

TYPE
FIG.
DIMENSIONS (mm)
AL (nH) +30%
            -20%
A
B
C
D
E
F
G
CF 129
CF 196
CF 138
EFF 3009
1
30.00+0.80
22.40+0.75
15.00+0.15
11.20+0.30
14.60+0.25
9.10+0.20
4.90+0.15
1900
2000
2100
EFF 2509
1
25.00+0.65
18.70+0.60
12.50+0.15
9.30+0.25
11.40+0.20
9.10+0.20
5.20+0.15
1950
2000
2050
EFF 2007
1
20.00+0.55
15.40+0.50
10.00+0.15
7.70+0.25
8.90+0.20
6.65+0.15
3.60+0.15
1250
1300
1350
EFF 1505
2
15.00+0.40
11.00+0.35
7.50+0.15
5.50+0.25
5.30+0.25
4.65+0.15
2.40+0.10
740
775
800

FIG 7
FIG 8
FIG 9

BOBBIN / COILFORMERS