Ferrite Magnet

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

Measure：mm

OD × H Remarks
1.5φ × 3  
2φ × 3  
2φ × 4 1)
2.3φ × 2.8  
2.3φ × 4.5  
3φ × 3  
3.2φ × 5  
3.5φ × 3.5  
4φ × 2  
5φ × 2 2)
5φ × 3  
5φ × 8  
6φ × 2  
6φ × 5  
6.35φ × 6.35  
7φ × 2  
7φ × 4  
7φ × 5  
8φ × 2  
8φ × 3  
OD × H Remarks
8φ × 5  
9φ × 3  
10φ × 3  
10φ × 4  
10φ × 5  
10φ × 7  
10φ × 10  
11φ × 5  
12φ × 4  
12.5φ × 3.8  
13φ × 5  
13φ × 6.5  
15φ × 4  
15φ × 5.2  
15φ × 8  
15φ × 10  
17φ × 3  
17φ × 4  
OD × H Remarks
18φ × 8  
20φ × 3  
20φ × 4  
20φ × 5  
20φ × 7  
20φ × 10  
20φ × 15  
22φ × 25.4  
25φ × 4  
25φ × 6  
29.5φ × 11  
30φ × 5  
30φ × 8  
30φ × 10  
30φ × 13.5  
38φ × 10  
38φ × 13.5  
50φ × 10  

1) Ni plated is also available
2)Ni plated

Round Top Type

Measure：mm

OD × H
15φ × 6R

Ring Type

Measure：mm

OD × ID × H
6φ × 2φ × 2.5
8φ × 3.5φ × 4.5
10φ × 3φ × 2
12φ × 5φ × 4
12.5φ × 5.3φ × 6
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
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
42φ × 19φ × 3
45φ × 22φ × 6
45φ × 22φ × 8
45φ × 22φ × 10.5
50φ × 16φ × 10
OD × ID × H
56φ × 45φ × 19
57φ × 47φ × 25
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

Large Ring Type

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.

Measure：mm

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

Square Type

Measure：mm

L × W × H
4 × 3.2 × 0.65
4 × 4 × 2
7 × 7 × 4
12 × 8 × 2.5
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
24 × 10 × 4
25 × 6 × 4
25 × 8 × 5
25 × 15 × 7
25 × 19 × 4.5
25 × 19 × 5
25.5 × 25.5 × 3
27 × 8.5 × 4
27 × 14.5 × 7
30 × 6 × 4
30 × 9 × 6
30 × 10 × 5
L × W × H
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
41.5 × 4 × 3.3
48 × 15 × 5
48 × 22 × 10
50 × 20 × 5
50 × 50 × 12
50 × 50 × 18
55 × 4 × 4
55 × 30 × 18
60 × 30 × 5
L × W × H
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 × 4
100 × 100 × 5
100 × 100 × 6
100 × 100 × 7
100 × 100 × 8
100 × 100 × 10
110 × 33.5 × 10
150 × 26 × 15
150 × 100 × 15
150 × 100 × 20
150 × 100 × 25.4

Bar Type (Square Type)

Measure：mm

W × H × L
3 × 3 × 7
4 × 10 × 20
6 × 6 × 18
7 × 7 × 12
9.75 × 9.75 × 25.4

Pierced Square Type (Single Hole Type)

Measure：mm

L × W × H × [ID] Remarks
8 × 8 × 7 (2.5φ)  
12 × 9 × 5 (3φ)  
20 × 12 × 4 (6φ)  
22 × 16 × 5 (5φ)  
24.6 × 14.7 × 3 (3.3φ) Elevated Pierced
25 × 19 × 4.5 (5φ) Elevated Pierced(2)
30 × 18 × 6 (4.5φ)  
40 × 25 × 5.2 (5φ) Elevated Pierced(1)
40 × 40 × 10 (12φ)  
85 × 65 × 18 (9φ)  

Pierced Square Type (Double Holes Type)

Measure：mm

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

Flat Round Type

Measure：mm

OD × H
3.8φ × 0.53
5φ × 1
13φ × 1.2
15φ × 1.2
19φ × 1.2
20φ × 1.2

Segment C Type

Measure：mm

Custom-sized production is possible. Please contact us.