Basic Information of the Hearing Aid Magnet
|
Material |
Sintered NdFeB |
|
Shape |
Customized |
|
Size |
Customized |
|
Grade |
Customized |
|
Coating |
Ni-Cu-Ni, Gold, Epoxy(all colors ), Parylene or Customized |
|
Magnetization Direction |
Customized |
|
Package |
Vacuum Bag + Carton + Pallet or customized |
All Grades Matrix Graph
Free of Export Control Substances

Hearing Aid Magnet Introduction
We provide professional one-stop in-depth customization services that cover every critical stage of hearing aid magnet production, from initial solution design, structural optimization, and scientific material selection, to magnetization scheme design (including axial, radial, and multi-pole magnetization directions), precision machining, surface treatment, performance testing, and final finished product delivery. All services are tailored to the specific application scenarios of our clients, with the aim of meeting the industry's stringent requirements for magnetic performance stability, mechanical precision, and adaptability to complex environmental conditions.
At the same time, we possess strong flexible manufacturing capabilities to respond flexibly to various order demands. Whether you need standard arc magnets commonly used in mainstream hearing aid models, or irregularly shaped magnets with specific magnetization orientations (e.g., inner/outer radial, axial multi-pole, etc.) or miniature composite structures for high-end customized hearing devices, we can respond efficiently. Our professional R&D team, supported by a rapid prototyping platform, can complete sample design, trial production, and performance verification within as little as 24 hours, significantly shortening the new product introduction cycle for our clients.
Moreover, what we offer goes far beyond magnet machining-we provide complete magnetic application solutions. Our technical team works closely with clients to conduct magnetic circuit simulation and analysis, optimize flux distribution, recommend the most suitable material grades and surface coatings (such as anti-corrosion and insulation treatments), and design specialized magnetizing fixtures to ensure that the magnetic flux profile precisely matches the client's structure. We also carry out environmental adaptability validation (including high-temperature, humidity, salt-spray tests) and full-lifecycle reliability assessments. In addition, we have stable mass-production capabilities, with standardized operating procedures, ensuring consistent product quality across batches, reliable delivery schedules, and competitive pricing. For different magnetization directions and complex geometries, we can flexibly adjust process parameters to ensure that the final product fully meets the client's design objectives.
|
Characteristics Of Sintered NdFeB Magnet |
|||||||||||||
|
Properties |
|
|
|
|
|||||||||
|
NO. |
Grade |
kGs |
T |
kOe |
kA/m |
kOe |
kA/m |
MGOe |
kJ/m³ |
||||
|
Max. |
Min. |
Max. |
Min. |
Max. |
Min. |
Max. |
Min. |
||||||
|
1 |
N35 |
12.5 |
11.8 |
1.25 |
1.18 |
≥10.8 |
≥860 |
≥12 |
≥955 |
38 |
33 |
302 |
263 |
|
2 |
N38 |
13.0 |
12.3 |
1.30 |
1.23 |
≥10.8 |
≥860 |
≥12 |
≥955 |
41 |
36 |
326 |
286 |
|
3 |
N40 |
13.2 |
12.6 |
1.32 |
1.26 |
≥10.8 |
≥860 |
≥12 |
≥955 |
42 |
38 |
334 |
302 |
|
4 |
N42 |
13.5 |
13.0 |
1.35 |
1.30 |
≥10.8 |
≥860 |
≥12 |
≥955 |
44 |
40 |
350 |
318 |
|
5 |
N45 |
13.8 |
13.2 |
1.38 |
1.32 |
≥10.8 |
≥860 |
≥12 |
≥955 |
46 |
42 |
366 |
334 |
|
6 |
N48 |
14.3 |
13.7 |
1.43 |
1.37 |
≥10.5 |
≥836 |
≥11 |
≥875 |
49 |
45 |
390 |
358 |
|
7 |
N50 |
14.6 |
13.9 |
1.46 |
1.39 |
≥10.5 |
≥836 |
≥11 |
≥875 |
51 |
47 |
406 |
374 |
|
8 |
N52 |
14.8 |
14.2 |
1.48 |
1.42 |
≥10.5 |
≥836 |
≥11 |
≥875 |
53 |
49 |
422 |
390 |
|
9 |
N54 |
15.0 |
14.4 |
1.50 |
1.44 |
≥10.5 |
≥836 |
≥11 |
≥875 |
55 |
50 |
438 |
398 |
|
10 |
N56 |
15.2 |
14.6 |
1.52 |
1.46 |
≥9.0 |
≥716 |
≥10 |
≥796 |
56 |
51 |
446 |
406 |
|
11 |
N35M |
12.5 |
11.8 |
1.25 |
1.18 |
≥11.0 |
≥875 |
≥14 |
≥1114 |
38 |
33 |
302 |
263 |
|
12 |
N38M |
13.0 |
12.3 |
1.30 |
1.23 |
≥11.5 |
≥916 |
≥14 |
≥1114 |
41 |
36 |
326 |
287 |
|
13 |
N40M |
13.2 |
12.6 |
1.32 |
1.26 |
≥11.8 |
≥939 |
≥14 |
≥1114 |
43 |
38 |
342 |
302 |
|
14 |
N42M |
13.5 |
13.0 |
1.35 |
1.30 |
≥12.0 |
≥955 |
≥14 |
≥1114 |
45 |
40 |
358 |
318 |
|
15 |
N45M |
13.8 |
13.2 |
1.38 |
1.32 |
≥12.2 |
≥971 |
≥14 |
≥1114 |
47 |
42 |
374 |
334 |
|
16 |
N48M |
14.3 |
13.7 |
1.43 |
1.37 |
≥12.5 |
≥995 |
≥14 |
≥1114 |
50 |
45 |
398 |
358 |
|
17 |
N50M |
14.6 |
13.9 |
1.46 |
1.39 |
≥12.5 |
≥995 |
≥13 |
≥1035 |
52 |
47 |
414 |
374 |
|
18 |
N52M |
14.8 |
14.2 |
1.48 |
1.42 |
≥12.5 |
≥995 |
≥13 |
≥1035 |
53 |
49 |
422 |
390 |
|
19 |
N54M |
15.0 |
14.4 |
1.50 |
1.44 |
≥12.5 |
≥995 |
≥13 |
≥1035 |
55 |
50 |
438 |
398 |
|
20 |
N56M |
15.2 |
14.6 |
1.52 |
1.46 |
≥12.5 |
≥995 |
≥13 |
≥1035 |
56 |
51 |
446 |
406 |
|
21 |
N35H |
12.5 |
11.8 |
1.25 |
1.18 |
≥11.0 |
≥875 |
≥17 |
≥1353 |
38 |
33 |
302 |
263 |
|
22 |
N38H |
13.0 |
12.3 |
1.30 |
1.23 |
≥11.5 |
≥916 |
≥17 |
≥1353 |
41 |
36 |
326 |
287 |
|
23 |
N40H |
13.2 |
12.6 |
1.32 |
1.26 |
≥11.8 |
≥939 |
≥17 |
≥1353 |
43 |
38 |
342 |
302 |
|
24 |
N44H |
13.7 |
13.0 |
1.37 |
1.30 |
≥12.1 |
≥963 |
≥16 |
≥1273 |
46 |
41 |
366 |
326 |
|
25 |
N46H |
14.0 |
13.4 |
1.40 |
1.34 |
≥12.5 |
≥995 |
≥16 |
≥1273 |
48 |
43 |
382 |
342 |
|
26 |
N48H |
14.2 |
13.6 |
1.42 |
1.36 |
≥12.7 |
≥1011 |
≥16 |
≥1273 |
50 |
45 |
398 |
358 |
|
27 |
N50H |
14.4 |
13.8 |
1.44 |
1.38 |
≥12.9 |
≥1026 |
≥16 |
≥1273 |
51 |
46 |
406 |
366 |
|
28 |
N52H |
14.6 |
14.0 |
1.46 |
1.40 |
≥13.0 |
≥1035 |
≥16 |
≥1273 |
53 |
47 |
422 |
374 |
|
29 |
N54H |
14.8 |
14.2 |
1.48 |
1.42 |
≥13.2 |
≥1051 |
≥16 |
≥1273 |
54 |
49 |
430 |
390 |
|
30 |
N35SH |
12.5 |
11.8 |
1.25 |
1.18 |
≥11.1 |
≥883 |
≥20 |
≥1592 |
38 |
33 |
302 |
263 |
|
31 |
N38SH |
13.0 |
12.3 |
1.30 |
1.23 |
≥11.6 |
≥923 |
≥20 |
≥1592 |
41 |
36 |
326 |
287 |
|
32 |
N40SH |
13.2 |
12.6 |
1.32 |
1.26 |
≥11.8 |
≥939 |
≥20 |
≥1592 |
43 |
38 |
342 |
302 |
|
33 |
N42SH |
13.4 |
12.8 |
1.34 |
1.28 |
≥12.0 |
≥955 |
≥19 |
≥1512 |
44 |
39 |
350 |
310 |
|
34 |
N45SH |
13.8 |
13.2 |
1.38 |
1.32 |
≥12.4 |
≥987 |
≥19 |
≥1512 |
47 |
42 |
374 |
334 |
|
35 |
N48SH |
14.2 |
13.6 |
1.42 |
1.36 |
≥12.7 |
≥1011 |
≥19 |
≥1512 |
50 |
45 |
398 |
358 |
|
36 |
N50SH |
14.4 |
13.8 |
1.44 |
1.38 |
≥13.0 |
≥1035 |
≥19 |
≥1512 |
51 |
46 |
406 |
366 |
|
37 |
N52SH |
14.6 |
14.0 |
1.46 |
1.40 |
≥13.3 |
≥1059 |
≥19 |
≥1512 |
53 |
47 |
422 |
374 |
|
38 |
N33UH |
12.2 |
11.4 |
1.22 |
1.14 |
≥10.8 |
≥859 |
≥25 |
≥1990 |
36 |
31 |
287 |
247 |
|
39 |
N35UH |
12.5 |
11.8 |
1.25 |
1.18 |
≥11.2 |
≥891 |
≥25 |
≥1990 |
38 |
33 |
302 |
263 |
|
40 |
N38UH |
12.8 |
12.2 |
1.28 |
1.22 |
≥11.6 |
≥923 |
≥25 |
≥1990 |
40 |
36 |
318 |
287 |
|
41 |
N40UH |
13.2 |
12.6 |
1.32 |
1.26 |
≥12.0 |
≥955 |
≥25 |
≥1990 |
42 |
38 |
334 |
302 |
|
42 |
N42UH |
13.5 |
13.0 |
1.35 |
1.30 |
≥12.0 |
≥955 |
≥25 |
≥1990 |
44 |
40 |
350 |
318 |
|
43 |
N45UH |
13.8 |
13.2 |
1.38 |
1.32 |
≥12.4 |
≥987 |
≥25 |
≥1990 |
47 |
42 |
374 |
334 |
|
44 |
N48UH |
14.1 |
13.6 |
1.41 |
1.36 |
≥12.7 |
≥1011 |
≥24 |
≥1911 |
50 |
44 |
398 |
350 |
|
45 |
N30EH |
11.7 |
10.9 |
1.17 |
1.09 |
≥10.3 |
≥820 |
≥30 |
≥2388 |
33 |
28 |
263 |
223 |
|
46 |
N33EH |
12.0 |
11.4 |
1.20 |
1.14 |
≥10.8 |
≥859 |
≥30 |
≥2388 |
35 |
31 |
279 |
247 |
|
47 |
N35EH |
12.3 |
11.7 |
1.23 |
1.17 |
≥11.1 |
≥883 |
≥30 |
≥2388 |
37 |
33 |
295 |
263 |
|
48 |
N38EH |
12.8 |
12.2 |
1.28 |
1.22 |
≥11.6 |
≥923 |
≥30 |
≥2388 |
40 |
36 |
318 |
287 |
|
49 |
N40EH |
13.1 |
12.5 |
1.31 |
1.25 |
≥11.8 |
≥939 |
≥30 |
≥2388 |
42 |
37 |
334 |
295 |
|
50 |
N44EH |
13.5 |
13.0 |
1.35 |
1.10 |
≥12.3 |
≥979 |
≥29 |
≥2308 |
46 |
11 |
366 |
326 |
|
51 |
N46EH |
13.8 |
13.3 |
1.38 |
1.33 |
≥12.6 |
≥1003 |
≥29 |
≥2308 |
47 |
42 |
374 |
334 |
|
52 |
N28EHS |
11.3 |
10.5 |
1.13 |
1.05 |
≥10.0 |
≥780 |
≥35 |
≥2786 |
31 |
26 |
247 |
207 |
|
53 |
N30EHS |
11.7 |
10.9 |
1.17 |
1.09 |
≥10.3 |
≥820 |
≥35 |
≥2786 |
33 |
28 |
263 |
223 |
|
54 |
N33EHS |
12.0 |
11.4 |
1.20 |
1.14 |
≥10.8 |
≥859 |
≥35 |
≥2786 |
36 |
31 |
287 |
247 |
|
55 |
N35EHS |
12.3 |
11.7 |
1.23 |
1.17 |
≥11.1 |
≥883 |
≥35 |
≥2786 |
37 |
33 |
295 |
263 |
|
56 |
N38EHS |
12.8 |
12.2 |
1.28 |
1.22 |
≥11.6 |
≥923 |
≥34 |
≥2706 |
40 |
36 |
318 |
286 |
|
57 |
N40EHS |
13.1 |
12.5 |
1.31 |
1.25 |
≥11.8 |
≥939 |
≥34 |
≥2706 |
42 |
37 |
334 |
295 |
|
58 |
N42EHS |
13.3 |
12.8 |
1.33 |
1.28 |
≥12.0 |
≥955 |
≥34 |
≥2706 |
44 |
39 |
350 |
310 |
Hot Tags: hearing aid magnet, China hearing aid magnet manufacturers, suppliers, factory
