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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

Round Type Ferrite magnet
OD × H
1.5 Φ × 3
2 Φ × 3
2) 2 Φ × 4
2.3 Φ × 2.8
2.3 Φ × 4.5
3 Φ × 3
3.2 Φ × 5
3.5 Φ × 3.5
4 Φ × 2
1)5 Φ × 2
5 Φ × 3
5 Φ × 8
6 Φ × 2
6 Φ × 5
6.35 Φ × 6.35
7 Φ × 2
7 Φ × 5
8 Φ × 2
OD × H
8 Φ × 3
8 Φ × 5
9 Φ × 3
10 Φ × 3
10 Φ × 5
10 Φ × 7
10 Φ × 10
11 Φ × 5
12 Φ × 4
12.5 Φ × 3.8
15 Φ × 4
15 Φ × 5.2
15 Φ × 8
15 Φ × 10
16 Φ × 12
17 Φ × 3
17 Φ × 4
18 Φ × 8
OD × H
20 Φ × 3
20 Φ × 4
20 Φ × 5
20 Φ × 7
20 Φ × 10
20 Φ × 15
22 Φ × 25.4
25 Φ × 4
25 Φ × 6
29.5 Φ × 11
30 Φ × 5
30 Φ × 8
30 Φ × 10
30 Φ × 13.5
38 Φ × 10
38 Φ × 13.5
50 Φ × 10

1) Ni plated is also available 2)Ni plated


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Round Top Type

Round Top type Ferrite magnet
OD × H
15 Φ × 6R

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Ring Type

Ring type Ferrite Magnet
OD × ID × H
6Φ × 2Φ × 2.5
8Φ × 3.5Φ × 4.5
10Φ × 3Φ × 2
12Φ × 5Φ × 4
12.5Φ × 5.3Φ × 6
13Φ × 6.1Φ × 10
13.5Φ × 5Φ × 2
14Φ × 8Φ × 3
15Φ × 6.1Φ × 10
17.5Φ × 7Φ × 3
17.5Φ × 10.8Φ × 5
19Φ × 6.5Φ × 10
20Φ × 8Φ × 4
20Φ × 8Φ × 8
20Φ × 10Φ × 3
20.5Φ × 7.5Φ × 3.6
21Φ × 12Φ × 4.5
23Φ × 6.5Φ × 3.7
23.5Φ × 15.6Φ × 4
25Φ × 8Φ × 6
28Φ × 10Φ × 3.5
OD × ID × H
29Φ × 10Φ × 3.5
29Φ × 10Φ × 5
29.6Φ × 18Φ × 2.7
30Φ × 9Φ × 6
30Φ × 12Φ × 5
32Φ × 8Φ × 5
35.6Φ × 14Φ × 6
36Φ × 18Φ × 8
37Φ × 14Φ × 6
39Φ × 22Φ × 7
41.8Φ × 23Φ × 6
45Φ × 22Φ × 6
45Φ × 22Φ × 8
45Φ × 22Φ × 10.5
45Φ × 22Φ × 11
45Φ × 24Φ × 8
48Φ × 17.7Φ × 6
50Φ × 9Φ × 20
50Φ × 16Φ × 10
52.5Φ × 20.3Φ × 5
55Φ × 24Φ × 12
OD × ID × H
55.5Φ × 40.5Φ × 2.5
56Φ × 45Φ × 19
60Φ × 32Φ × 7
60Φ × 32Φ × 8
60Φ × 32Φ × 10
70Φ × 32Φ × 8
70Φ × 32Φ × 10
70Φ × 32Φ × 15
70Φ × 53Φ × 8.4
75Φ × 32Φ × 10
80Φ × 40Φ × 8
80Φ × 40Φ × 10
80Φ × 40Φ × 12
85Φ × 33Φ × 22
90Φ × 50Φ × 16
100Φ × 60Φ × 15
110Φ × 50Φ × 15
134Φ × 75Φ × 20
156Φ × 80Φ × 20
200 Φ × 120Φ × 20
220 Φ × 110Φ × 20

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Large Ring Type

large ring type Ferrite Magnet
OD ×ID ×H
100 Φ × 32.5Φ × 27.4
100 Φ × 60 Φ × 15
110 Φ × 50 Φ × 15
115 Φ × 44.5Φ × 25.4
134 Φ × 75 Φ × 20
156 Φ × 80 Φ × 20
165 Φ × 86.3Φ × 38.1
169 Φ × 81.2Φ × 40
178 Φ × 88.9Φ × 25.4
190 Φ × 88.9Φ × 31.7
200 Φ × 86 Φ × 30
200 Φ ×120 Φ × 20
220 Φ ×110 Φ × 20
220 Φ ×110 Φ × 30

large ring type Ferrite Magnet

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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Ring Type (Elevated Pierced)

Ring type Ferrite Magnet
OD × MD × ID × h× H Diameter
50Ø × 12Ø × 9.5Ø × 4.5 × 20 3.5Φ

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Square Type

Square type Ferrite Magnet
L × W × H
4 × 3.2 × 0.65
4 × 4 × 2
7 × 7 × 4
12 × 8 × 2.5
12.5 × 5.3 × 6
12.5 × 8.5 × 4.7
13.5 × 5.5 × 2
15 × 10 × 4
15 × 15 × 5
18 × 11.5 × 5
18.5 × 6 × 3
20 × 10 × 4
20 × 10 × 5
20 × 12 × 5
20 × 15 × 7
20 × 20 × 10
23 × 22 × 8
23.5 × 15.6 × 4
24 × 10 × 4
25 × 6 × 4
25 × 8 × 5
25 × 15 × 7
25 × 19 × 4.5
25 × 19 × 5
25.5 × 25.5 × 3
26 × 26 × 3
27 × 8.5 × 4
27 × 14.5 × 7
L × W × H
30 × 6 × 4
30 × 9 × 6
30 × 10 × 5
30 × 10 × 10
30 × 20 × 5
30 × 30 × 10
34 × 8 × 5
34 × 34 × 10
35 × 15 × 4.5
40 × 12 × 6
40 × 12 × 8
40 × 25 × 5
40 × 25 × 10
40 × 40 × 10
40 × 40 × 12
40 × 40 × 15
40 × 40 × 20
41.5 × 4 × 3.3
47.5 × 47.5 × 20
48 × 15 × 5
48 × 22 × 10
50 × 20 × 5
50 × 50 × 12
50 × 50 × 18
55 × 4 × 4
55 × 30 × 18
58 × 14 × 16
58 × 14 × 19
L × W × H
58 × 14 × 25
60 × 30 × 5
60 × 30 × 10
63 × 14 × 10
63.5 × 19 × 5
65 × 15 × 25.4
68 × 18 × 12
75 × 30 × 25.4
80 × 80 × 20
90 × 34 × 20
96× 10 × 3
100 × 15 × 5
100 × 35 × 5
100 × 50 × 10
100 × 63.5 × 17
100 × 100 × 3
100 × 100 × 5
100 × 100 × 8
100 × 100 × 10
110 × 33.5 × 10
150 × 26 × 15
150 × 100 × 15
150 × 100 × 20
150 × 100 × 25.4
160 × 80 × 20
270 × 90 × 10
270 × 90 × 25.4

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Bar Type (Square Type)

Bar type Ferrite Magnet
W × H × L
3 × 3 × 7
4 × 10 × 20
6 × 6 × 18
6.3 × 6.8 × 27.5
7 × 7 × 12
9.75 × 9.75 × 25.4

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Pierced Square Type (Single Hole Type)

Pierced Square Type ferrite magnet
L × W × H × (ID) Remarks
8 × 8 × 7 (2.5Φ)  
12 × 9 × 5 (3Φ)  
19 × 17.5 × 4.8 (3.5Φ)  
20 × 12 × 4 (6Φ)  
22 × 16 × 5 (5Φ)  
24 × 13.5 × 4.5 (5Φ)  
25 × 19 × 4.5 (5Φ) Elevated pierced
30 × 18 × 6 (4.5Φ)  
31 × 11.7 × 5.3 (3.2Φ) Elevated pierced
40 × 25 × 5.2 (5Φ) Elevated pierced
40 × 40 × 10 (12Φ)  
85 × 65 × 18 (9Φ)  

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Pierced Square Type (Double Holes Type)

pierced square Type ferrite magnet
L × W × H × (ID) Remarks
48 × 22.5 × 10 (5Φ × 2) Counter sunk
60 × 30 × 10 (7Φ × 2)  

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Flat Round Type

flat round type Type ferrite magnet
OD × H
3.8Φ × 0.53
4Φ × 0.6
5Φ × 1
13Φ × 1.2
15Φ × 1.2
19Φ × 1.2
20Φ × 1.2

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Segment C Type

segment c type Type ferrite magnet
Code R × r × W × H Angle
SEG-1 43 × 37.6 × 30 × 35 40°
SEG-2 33 × 25.5 × 57 × 40 120°
SEG-3 23.1 × 18 × 39.2 × 21 120°
SEG-4 16 × 12 × 29 × 30 120°
SEG-5 23.9 × 18.3 × 41.5 × 49 130°
SEG-6 23.9 × 18.3 × 41.5 × 34.7 130°
SEG-7 23.2 × 18 × 42 × 32 130°
SEG-8 43 × 34.85 × 78.5 × 50 130°

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Segment Type (Pierced)

segment type Type ferrite magnet
Code R x r x W x H (OD x ID) Angle
SEG-10 50 x 30 x 64 x 13 (12× x 5×) 90°

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Segment Type (Large)

large segment type Type ferrite magnet
Code R × r × W × H Angle
SEG-20 158 × 85 × 216 × 25.4 90°

segment magnets,pierced magnet
segment magnets

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

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