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Your IP: 18.119.103.13
MOZILLA 5.0,
Today: May 06, 2025
แม่เหล็กนีโอดีเมียม
เป็นที่รู้จักในชื่อ Rare Earth Magnet มีส่วนประกอบของ เหล็ก, โบรอน, และโลหะทรานซิชัน แม่เหล็กนีโอดีเมี่ยมมีคุณสมบัติเด่นคือ เป็นแม่เหล็กที่มีความแรงสูงที่สุดในบรรดาแม่เหล็กถาวรทุกชนิด และยังมีหลายเกรด เพื่อให้เหมาะสมกับการใช้งานที่หลากหลาย เช่น ใช้เป็นชิ้นส่วนแม่เหล็ก มอเตอร์ เครื่องกำเนิดไฟฟ้า เครื่องดนตรี ฮาร์ดดิส เครื่องคัดแยกเศษเหล็ก แม่เหล็กจับชิ้นงาน สวิตซ์ เป็นต้น
NdFeb Magnets
known as Rare Earth magnet which composed of Neodymium, Iron, Boron and a few transition metals.NdFeB Magnets are available in a number of different grades that span a wide range of properties and application requirements that widely used in motors, generators, electro-acoustics, hard-disc drives, magnetic separator, Permanent magnet bearing, holding system, switches, NMR-analysis equipment and MRI – Tomograpghy, relay and etc.
Characteristic magnetic properties at room temperature (20C)
Material
Code |
Remanence Br
|
Coercivity Hcb
|
Intrinsic
Coercivity Hcj |
Max. Energy Product
|
Max working Temp.
|
||||||||||
kGs
|
T
|
kOe
|
kA/m
|
kOe
|
kA/m
|
MGOe
|
kJ/m3
|
oC(L/D=0.7)
|
|||||||
Typ.
|
Min
|
Typ.
|
Min
|
Typ.
|
Min
|
Typ.
|
Min
|
Min
|
Min
|
Typ.
|
Min
|
Typ.
|
Min
|
||
N35
|
12.2
|
11.7
|
1.22
|
1.17
|
11.2
|
10.5
|
891
|
836
|
12
|
955
|
35
|
33
|
279
|
263
|
80
|
N38
|
12.6
|
12.2
|
1.26
|
1.22
|
11.2
|
10.5
|
891
|
836
|
12
|
955
|
38
|
35
|
302
|
279
|
80
|
N40
|
13
|
12.6
|
1.3
|
1.26
|
11.2
|
10.5
|
891
|
836
|
12
|
955
|
40
|
38
|
318
|
302
|
80
|
N42
|
13.3
|
13
|
1.33
|
1.3
|
11.2
|
10.5
|
891
|
836
|
12
|
955
|
42
|
40
|
334
|
318
|
80
|
N45
|
13.7
|
13.3
|
1.37
|
1.33
|
11.2
|
10.5
|
891
|
836
|
12
|
955
|
45
|
42
|
358
|
334
|
80
|
N48
|
17.1
|
13.7
|
1.41
|
1.37
|
10.8
|
10.2
|
859
|
812
|
11
|
875
|
48
|
45
|
382
|
358
|
80
|
N33M
|
11.7
|
11.4
|
1.17
|
1.14
|
10.8
|
10.2
|
859
|
812
|
14
|
1114
|
33
|
30
|
263
|
239
|
100
|
N35M
|
12.2
|
11.7
|
1.22
|
1.17
|
11.2
|
10.5
|
891
|
836
|
14
|
1114
|
35
|
33
|
279
|
263
|
100
|
N38M
|
12.6
|
12.2
|
1.26
|
1.22
|
11.5
|
10.8
|
915
|
859
|
14
|
1114
|
38
|
35
|
302
|
279
|
100
|
N40M
|
13
|
12.6
|
1.3
|
1.26
|
11.5
|
10.8
|
915
|
859
|
14
|
1114
|
40
|
38
|
318
|
302
|
100
|
N42M
|
13.3
|
13
|
1.33
|
1.3
|
11.5
|
10.8
|
915
|
859
|
14
|
1114
|
42
|
40
|
334
|
318
|
100
|
N45M
|
13.7
|
13.3
|
1.37
|
1.33
|
11.5
|
10.8
|
915
|
859
|
14
|
1114
|
45
|
42
|
358
|
334
|
100
|
N30H
|
11.4
|
10.8
|
1.14
|
1.08
|
10.2
|
9.8
|
812
|
780
|
17
|
1353
|
30
|
28
|
239
|
223
|
120
|
N33H
|
11.7
|
11.4
|
1.17
|
1.14
|
11
|
10.2
|
875
|
812
|
17
|
1353
|
33
|
30
|
263
|
239
|
120
|
N35H
|
12.2
|
11.7
|
1.22
|
1.17
|
11.2
|
10.5
|
891
|
836
|
17
|
1353
|
35
|
33
|
279
|
263
|
120
|
N38H
|
12.3
|
12.2
|
1.26
|
1.22
|
11.5
|
10.8
|
915
|
859
|
17
|
1353
|
38
|
35
|
302
|
279
|
120
|
N40H
|
13
|
12.6
|
1.3
|
1.26
|
11.5
|
10.8
|
915
|
859
|
17
|
1353
|
40
|
38
|
318
|
302
|
120
|
N42H
|
13.3
|
13
|
1.33
|
1.3
|
11.5
|
10.8
|
915
|
859
|
17
|
1353
|
42
|
40
|
334
|
318
|
120
|
N44H
|
13.6
|
13.3
|
1.36
|
1.33
|
11.5
|
10.8
|
915
|
859
|
17
|
1353
|
44
|
42
|
350
|
334
|
120
|
N30SH
|
11.4
|
10.8
|
1.14
|
1.08
|
10.2
|
9.8
|
812
|
780
|
20
|
1592
|
30
|
28
|
239
|
223
|
150
|
N33SH
|
11.7
|
11.4
|
1.17
|
1.14
|
11
|
10.2
|
875
|
812
|
20
|
1592
|
33
|
30
|
263
|
239
|
150
|
N35SH
|
12.2
|
11.7
|
1.22
|
1.17
|
11.2
|
10.5
|
891
|
836
|
20
|
1592
|
35
|
33
|
279
|
263
|
150
|
N38SH
|
12.6
|
12.2
|
1.26
|
1.22
|
11.5
|
10.8
|
915
|
859
|
20
|
1592
|
38
|
35
|
302
|
279
|
150
|
N40SH
|
13
|
12.6
|
1.3
|
1.26
|
11.5
|
10.8
|
915
|
859
|
20
|
1592
|
40
|
38
|
318
|
302
|
150
|
N42SH
|
13.3
|
13
|
1.33
|
1.3
|
11.5
|
10.8
|
915
|
859
|
20
|
1592
|
42
|
40
|
334
|
318
|
150
|
N28UH
|
10.8
|
10.4
|
1.08
|
1.04
|
10.2
|
9.8
|
812
|
780
|
25
|
1989
|
28
|
25
|
223
|
199
|
160
|
N30UH
|
11.4
|
10.8
|
1.14
|
1.08
|
10.6
|
10
|
844
|
796
|
25
|
1989
|
30
|
28
|
239
|
223
|
160
|
N33UH
|
11.7
|
11.4
|
1.17
|
1.14
|
11
|
10.2
|
875
|
812
|
25
|
1989
|
33
|
30
|
263
|
239
|
160
|
N35UH
|
12.2
|
11.7
|
1.22
|
1.17
|
11.2
|
10.5
|
891
|
836
|
25
|
1989
|
35
|
33
|
279
|
263
|
160
|
N28EH
|
10.8
|
10.4
|
1.08
|
1.04
|
10.2
|
9.8
|
812
|
780
|
30
|
2387
|
28
|
25
|
223
|
199
|
180
|
N30EH
|
11.4
|
10.8
|
1.14
|
1.08
|
10.6
|
10
|
844
|
796
|
30
|
2387
|
30
|
28
|
239
|
223
|
180
|
N33EH
|
11.7
|
11.4
|
1.17
|
1.14
|
11
|
10.2
|
875
|
812
|
30
|
2387
|
33
|
30
|
263
|
239
|
180
|
Note: The max working temperature is only for reference, is depended on the circuit the magnet is operating in. Customers are recommended to consult us on applicaton involving temperature near to 150oC |