Anisotropic Sr-Ferrite Magnet Ι Permanent Magnet sales -Magna Tokyo-

ANISOTROPIC Sr-FERRITE MAGNET

Since its coercive force is strong, there is no demagnetization. Being a ceramic magnet, Ferrite magnet is highly anticorrosive and is suitable for a flat shape, but its weak point is that it tends to be easily broken. Ferrite magnet is used for traditional audio speakers and headphones, and since it becomes lighter and lighter (a half or one-third of previous ones) due to technical innovation, the demand for Ferrite magnet for automobile motors or generators is increasingly growing. As there is abundant ferric oxide, raw materials of Ferrite magnet, the magnet can be supplied at the lowest price among present magnets.

Round Type

Ferrite Magnet Anisotropic Sr-Ferrite Round Type

OD X H
1.5 Ø X 3
2 Ø X 3
2)2 Ø X 4
2.3 Ø X 2.8
2.3 Ø X 4.5
3 Ø X 3
3.2 Ø X 5
3.5 Ø X 3.5
4 Ø X 2
1)5 Ø X 2
5 Ø X 3
5 Ø X 8
6 Ø X 2
6 Ø X 5
6.35 Ø X 6.35
7 Ø X 2
7 Ø X 4
7 Ø X 5
8 Ø X 2

1) Ni plated is also available
2)Ni plated

OD X H
8 Ø X 3
8 Ø X 5
9 Ø X 3
10 Ø X 3
10 Ø X 4
10 Ø X 5
10 Ø X 7
10 Ø X 10
11 Ø X 5
12 Ø X 4
12.5 Ø X 3.8
13 Ø X 5
13 Ø X 6.5
15 Ø X 4
15 Ø X 5.2
15 Ø X 6.5
15 Ø X 8
15 Ø X 10
16 Ø X 12
17 Ø X 3
17 Ø X 4
18 Ø X 8

OD X H
20 Ø X 3
20 Ø X 4
20 Ø X 5
20 Ø X 7
20 Ø X 10
20 Ø X 15
22 Ø X 25.4
25 Ø X 4
25 Ø X 6
29.5 Ø X 11
30 Ø X 5
30 Ø X 8
30 Ø X 10
30 Ø X 13.5
32 Ø X 20
38 Ø X 10
38 Ø X 13.5
50 Ø X 10

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Round Top Type

Ferrite Magnet Anisotropic Sr-Ferrite Round Top Type

OD X H
15 ØX 6R

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Ring Type

Ferrite Magnet Anisotropic Sr-Ferrite Ring Type

OD X ID X H
6 Ø X 2 Ø X 2.5
8 Ø X 3.5 Ø X 4.5
10 Ø X 3 Ø X 2
12 Ø X 5 Ø X 4
12.5 Ø X 5.3 Ø X 6
13.5 Ø X 5 Ø X 2
14 Ø X 8 Ø X 3
15 Ø X 6.1 Ø X 10
17.5 Ø X 7 Ø X 3
17.5 Ø X 10.8 Ø X 5
19 Ø X 6.5 Ø X 10
20 Ø X 8 Ø X 4
20 Ø X 8 Ø X 8
20 Ø X 10 Ø X 3
20.5 Ø X 7.5 Ø X 3.6
21 Ø X 12 Ø X 4.5
23 Ø X 6.5 Ø X 3.7
23.5 Ø X 15.6 Ø X 4
25 Ø X 8 Ø X 6
28 Ø X 10 Ø X 3.5

OD X ID X H
29 Ø X 10 Ø X 3.5
29 Ø X 10 Ø X 5
29.6 Ø X 18 Ø X 2.7
30 Ø X 9 Ø X 6
30 Ø X 12 Ø X 5
32 Ø X 8 Ø X 5
35.6 Ø X 14 Ø X 6
36 Ø X 18 Ø X 8
37 Ø X 14 Ø X 6
39 Ø X 22 Ø X 7
41.8 Ø X 23 Ø X 6
42 Ø X 19 Ø X 3
45 Ø X 22 Ø X 6
45 Ø X 22 Ø X 8
45 Ø X 22 Ø X 10.5
45 Ø X 22 Ø X 11
45 Ø X 24 Ø X 8
48 Ø X 17.7 Ø X 6
50 Ø X 9 Ø X 20
50 Ø X 16 Ø X 10
52.5 Ø X 20.3 Ø X 5
55 Ø X 24 Ø X 12

OD X ID X H
55.5 Ø X 40.5 Ø X 2.5
56 Ø X 45 Ø X 19
57 Ø X 47 Ø X 25
60 Ø X 32 Ø X 7
60 Ø X 32 Ø X 8
60 Ø X 32 Ø X 10
70 Ø X 32 Ø X 8
70 Ø X 32 Ø X 10
70 Ø X 32 Ø X 15
70 Ø X 53 Ø X 8.4
75 Ø X 32 Ø X 10
80 Ø X 40 Ø X 8
80 Ø X 40 Ø X 10
80 Ø X 40 Ø X 12
84 Ø X 70 Ø X 6
85 Ø X 33 Ø X 22
90 Ø X 50 Ø X 16

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Large Ring Type

Ferrite Magnet Anisotropic Sr-Ferrite Large Ring Type

OD X ID X H
100 Ø X 32.5 Ø X 27.4
100 Ø X 60 Ø X 15
110 Ø X 50 Ø X 15
115 Ø X 44.5 Ø X 25.4
134 Ø X 75 Ø X 20
156 Ø X 80 Ø X 20
165 Ø X 86.3 Ø X 38.1
169 Ø X 81.2 Ø X 40
178 Ø X 88.9 Ø X 25.4
190 Ø X 88.9 Ø X 31.7
200 Ø X 86 Ø X 30
200 Ø X 120 Ø X 20
220 Ø X 110 Ø X 20
220 Ø X 110 Ø X 30

A thick large-sized ring type,which has been difficult to manufacture with Anisotropic Sr-Ferrite Magnets is now available with only by order-received production since it is large-sized.

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Square Type

Ferrite Magnet Anisotropic Sr-Ferrite Square Type

L X W X H
4 X 3.2 X 0.65
4 X 4 X 2
7 X 7 X 4
12 X 8 X 2.5
12.5 X 8.5 X 4.7
13.5 X 5.5 X 2
15 X 10 X 4
15 X 15 X 5
18 X 11.5 X 5
18.5 X 6 X 3
20 X 10 X 4
20 X 10 X 5
20 X 12 X 5
20 X 15 X 7
20 X 20 X 10
23 X 22 X 8
24 X 10 X 4
25 X 6 X 4
25 X 8 X 5
25 X 15 X 7
25 X 19 X 4.5
25 X 19 X 5
25.5 X 25.5 X 3
27 X 8.5 X 4
27 X 14.5 X 7

L X W X H
30 X 6 X 4
30 X 9 X 6
30 X 10 X 5
30 X 10 X 10
30 X 20 X 5
30 X 30 X 10
34 X 8 X 5
34 X 34 X 10
35 X 15 X 4.5
40 X 12 X 6
40 X 12 X 8
40 X 25 X 5
40 X 25 X 10
40 X 40 X 10
40 X 40 X 12
40 X 40 X 15
40 X 40 X 20
41.5 X 4 X 3.3
47.5 X 47.5 X 20
48 X 15 X 5
48 X 22 X 10
50 X 20 X 5
50 X 50 X 12
50 X 50 X 18
55 X 4 X 4
55 X 30 X 18
58 X 14 X 16
58 X 14 X 19

L X W X H
58 X 14 X 25
60 X 30 X 5
60 X 30 X 10
63 X 14 X 10
63.5 X 19 X 5
65 X 15 X 25.4
68 X 18 X 12
75 X 30 X 25.4
80 X 80 X 20
85 X 65 X 0.9
90 X 34 X 20
95 X 95 X 1
95 X 95 X 2
96 X 10 X 3
100 X 15 X 5
100 X 35 X 5
100 X 50 X 10
100 X 63.5 X 17
100 X 100 X 3
100 X 100 X 5
100 X 100 X 8
100 X 100 X 10
110 X 33.5 X 10
150 X 26 X 15
150 X 100 X 15
150 X 100 X 20
150 X 100 X 25.4
150 X 100 X 40
160 X 80 X 20

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Bar Type (Square Type)

Ferrite Magnet Anisotropic Sr-Ferrite Bar Type (Square Type)

W X H X L
3 X 3 X 7
4 X 10 X 20
6 X 6 X 18
6.3 X 6.8 X 27.5
7 X 7 X 12
9.75 X 9.75 X 25.4

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Pierced Square Type (Single Hole Type)

Ferrite Magnet Anisotropic Sr-Ferrite Pierced Square Type (Single Hole Type)

L X W X H X [ID]	Remarks
8 X 8 X 7 (2.5 Ø)
12 X 9 X 5 (3 Ø)
19 X 17.5 X 4.8 (3.5 Ø)	Elevated pierced(2)
20 X 12 X 4 (6 Ø)
22 X 16 X 5 (5 Ø)
24 X 13.5 X 4.5 (5 Ø)
24.6 X 14.7 X 3 (3.3 Ø)	Elevated pierced
25 X 19 X 4.5 (5 Ø)	Elevated pierced(2)
30 X 18 X 6 (4.5 Ø)
31 X 11.7 X 5.3 (3.2 Ø)	Elevated pierced(2)
40 X 25 X 5.2 (5 Ø)	Elevated pierced(1)
40 X 40 X 10 (12 Ø)
85 X 65 X 18 (9 Ø)

Elevated Pierced Square Type (Single Hole Type)

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Pierced Square Type (Double Holes Type)

Ferrite Magnet Anisotropic Sr-Ferrite Pierced Square Type (Double Holes Type)

L X W X H X [ID]	Remarks
48 X 22.5 X 10 (5 Ø X 2)	Counter sunk
60 X 30 X 10 (7 Ø X 2)

Pierced Square Type (Double Holes Type) Count Sunk

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Flat Round Type

Ferrite Magnet Anisotropic Sr-Ferrite Pierced Flat Round Type

OD X H
3.8 Ø X 0.53
4 Ø X 0.6
5 Ø X 1
13 Ø X 1.2
15 Ø X 1.2
19 Ø X 1.2
20 Ø X 1.2

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Segment C Type

Ferrite Magnet Anisotropic Sr-Ferrite Pierced Segment C Type

Code	R X r X W X L	Angle
SEG-1	43 X 37.6 X 30 X 35	40°
SEG-2	33 X 25.5 X 57 X 40	120°
SEG-4	16 X 12 X 29 X 30	120°
SEG-5	23.9 X 18.3 X 41.5 X 49	130°
SEG-6	23.9 X 18.3 X 41.5 X 34.7	130°
SEG-7	23.2 X 18 X 42 X 32	130°
SEG-8	43 X 34.85 X 78.5 X 50	130°

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Segment Type (Pierced)

Ferrite Magnet Anisotropic Sr-Ferrite Pierced Segment Type (Pierced)

Code	R X r X W X H [OD X ID]	Angle
SEG-10	50 X 30 X 64 X 13 [12 Ø X 5 Ø]	90°

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Segment Type (Large)

Ferrite Magnet Anisotropic Sr-Ferrite Pierced Segment Type (Large)

Code	R X r X W X H	Angle
SEG-20	158 X 85 X 216 X 25.4	90°

By assembling four pieces,
one large ring type magnet is formed.

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