http://www.herostechnology.co.uk/
Material Grade Core color
1 Blue/Clear
2 Red/Clear
3 Gray/Clear
4 Blue/White
6 Yellow /Clear
7 White/Clear
8 Orange/Clear
10 Black/Clear
12 Green/White
15 Red/White
17 Blue/Yellow
42 Blue/Red
0 Tan/Tan

 



Reference i.e.: T130-2
T = Toroidal Core
130 = Outer diameter dimension= 1.30 inch/33mm.
2 = Iron Powder Material Grade. (Red)

O.D. - is the outer diameter of iron powder toroid core
I.D. - is the inside diameter of iron powder toroid core
Height - is the height or the thickness of iron powder toroid core
Material Grade - is the Iron Dust material type.

 

 

Micrometals
Part No.

AL
uH/100 turns

OD
in/mm.
ID
in/mm.
Height
in/mm.
T12-0
3
0.12 inch/3.18 mm
0.060 inch/1.57mm
0.050 inch/1.27mm
T12-1
48
 
 
 
T12-10
12
 
 
 
T12-12
7.5
 
 
 
T12-15
50
 
 
 
T12-17
7.5
 
 
 
T12-2
20
. 
 
 
T12-3
60
 
 
 
T12-6
17
 
 
 
T12-7
18
 
 
 
T16-0
3
0.16 inch/4.06 mm
0.070 inch/1.98mm
0.060 inch/1.52mm
T16-1
44
 
 
 
T16-10
13
 
 
  
T16-12
8
 
 
 
T16-15
55
 
 
 
T16-17
8
 
 
 
T16-2
22
 
 
 
T16-3
61
 
 
 
T16-6
19
 
 
 
T20-0
3.5
0.20 inch/5.08 mm
0.080 inch/2.24mm
0.070 inch/1.78mm
T20-1
52
 
 
 
T20-10
16
 
 
 
T20-12
10
 
 
 
T20-15
65
 
 
 
T20-17
10
 
 
 
T20-2
27
 
 
 
T20-3
76
 
 
 
T20-6
22
 
 
 
T25-0
4.5
0.25 inch/6.48 mm
0.120 inch/3.05mm
0.96 inch/2.44mm
T25-1
70
 
 
 
T25-10
19
 
 
 
T25-12
12
 
 
 
T25-15
85
 
 
 
T25-17
12
 
 
 
T25-2
34
 
 
 
T25-3
100
 
 
 
T25-6
27
 
 
 
T25-7
29
 
 
 
T30-0
6
0.307 inch/7.80 mm
0.151 inch/3.84mm
0.128 inch/3.25mm
T30-1
85
 
 
 
T30-10
25
 
 
 
T30-12
16
 
 
 
T30-15
93
 
 
 
T30-17
16
 
 
 
T30-2
43
 
 
 
T30-3
140
 
 
 
T30-6
36
 
 
 
T30-7
37
 
 
 
T37-0
4.9
0.375 inch/9.53 mm
0.250 inch/5.21mm
0.128 inch/3.25mm
T37-1
80
 
 
 
T37-10
25
 
 
 
T37-12
15
 
 
 
T37-15
90
 
 
 
T37-17
15
 
 
 
T37-2
40
  
  
  
T37-3
120
 
 
 
T37-6
30
 
 
 
T37-7
32
 
 
 
T44-0
6.5
0.440 inch/11.2mm
0.229inch/5.82mm
0.159 inch/4.04mm
T44-1
105
 
 
 
T44-10
33
 
 
 
T44-12
18.5
 
 
 
T44-15
160
 
 
 
T44-17
18.5
 
 
 
T44-2
52
 
 
 
T44-3
180
 
 
 
T44-6
42
 
 
 
T44-7
46
 
 
 
T50-0
6.4
0.50 inch/12.7mm
0.303 inch/7.70mm
0.190 inch/4.83mm
T50-1
100
 
 
 
T50-10
31
 
 
 
T50-12
18
 
 
 
T50-15
135
 
 
 
T50-17
18
 
 
 
T50-2
49
 
 
 
T50-3
175
 
 
 
T50-6
40
 
 
 
T50-7
43
 
 
 
T68-0
7.5
0.690 inch/17.5mm
0.370 inch/9.40mm
0.190 inch/4.83mm
T68-1
115
 
 
 
T68-10
32
 
 
 
T68-12
21
 
 
 
T68-15
180
 
 
 
T68-17
21
 
 
 
T68-2
57
 
 
 
T68-3
195
 
 
 
T68-6
47
 
 
 
T68-7
52
 
 
 
T80-0
8.5
0.795 inch/20.2mm
0.495 inch/12.6mm
0.250 inch/6.35mm
T80-1
115
 
 
 
T80-10
32
 
 
 
T80-12
22
 
 
 
T80-15
170
 
 
 
T80-17
22
 
 
 
T80-2
55
 
 
 
T80-3
180
 
 
 
T80-6
45
 
 
 
T80-7
50
 
 
 
T94-0
10.6
0.942 inch/23.9mm
0.560 inch/14.2mm
0.312 inch/7.92mm
T94-1
160
 
 
 
T94-10
58
 
 
 
T94-15
200
 
 
 
T94-17
29
 
 
 
T94-2
84
 
 
 
T94-3
248
 
 
 
T94-6
70
 
 
 
T106-0
19
1.060 inch/26.9mm
0.570 inch/14.5mm
0.437 inch/11.1mm
T106-1
280
 
 
 
T106-7
133
 
 
 
T106-15
345
 
 
 
T106-17
51
 
 
 
T106-2
135
 
 
 
T106-3
450
 
 
 
T106-6
116
 
 
 
T130-0
15
1.30 inch/33mm
0.780 inch/19.8mm
0.437 inch/11.1mm
T130-1
200
 
 
 
T130-15
250
 
 
 
T130-17
40
 
 
 
T130-2
110
 
 
 
T130-3
350
 
 
 
T130-6
96
 
 
 
T157 -3
420
1.57 inch/39.9mm
0.950 inch/24.1mm
0.570 inch/14.5mm
T157-1
320
 
 
 
T157-2
140
 
 
 
T157-6
115
 
 
 
T157-17
53
 
 
 
T184-1
500
1.84 inch/46.7mm
0.950 inch/24.1mm
0.710 inch/18.0mm
T184-2
240
 
 
 
T184-3
720
 
 
 
T184-6
195
 
 
 
T184-17
87
 
 
 
T200-1
250
2.00 inch/50.8mm
1.250 inch/31.8mm
0.550 inch/14.0mm
T200-2
120
 
 
 
T200-3
425
 
 
 
T200-6
104
 
 
 
T200-7
105
 
 
 
T200-2B
218
2.00 inch/50.8mm 
1.250 inch/31.8mm 
1.000 inch/25.40mm 
T225-2
120
2.25 inch/57.2mm
1.400 inch/35.6mm
.550 inch/14mm
T225-2B
215
2.25 inch/57.2mm  
1.400 inch/35.6mm 
1.00 inch/25.4mm 
T225-3
425
2.25 inch/57.2mm  
1.400 inch/35.6mm  
.550 inch/14mm 
T225-6
104
2.25 inch/57.2mm  
1.400 inch/35.6mm  
.550 inch/14mm 
T300-2
114
3.04 inch/77.2mm
1.930 inch/49.0mm
.500 inch/12.7mm
T300-2D
228
3.04 inch/77.2mm 
1.930 inch/49.0mm 
1.00 inch/25.4mm  
T400-2
180
4.00 inch/102mm
2.250 inch/57.2mm
.650 inch/16.5mm
T400-2D
360
4.00 inch/102mm 
2.250 inch/57.2mm 
1.300 inch/33.0mm 
T520-2
200
5.20 inch/132mm
3.080 inch/78.2mm
0.800 inch/20.3mm.