Door Alarm Sensor Strong NdFeB Magnets

Application: Speaker Magnet
Shape: Disc
Coating: Nickel
Grade: N35
Type: Permanent
Transport Package: Standard Air or Sea Package
Samples:
US$ 1/Piece 1 Piece(Min.Order)
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Gold Member Since 2012

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Basic Info.

Model NO.
/
Specification
ROHS, SGS
Trademark
/
Origin
Ningbo
Production Capacity
1000000 Pieces Per Month

Product Description

Door Alarm Sensor Strong NdFeB N35 Magnets

1. Materials: Neodymium-Iron-Boron;

2. Grades: N33-N52, 33M-48M, 33H-48H, 30SH-45SH, 30UH-40UH and 30EH-38EH;

3. Sizes: According to customers' request;

4. Coatings: Ni, Zn, gold, copper, epoxy, chemical, parylene and so on; .

5. Applications: Sensors, motors, rotors, wind turbines/wind generators, loudspeakers, magnetic hooks, magnetic holder, filters automobiles and so on;

6. Utilizations of new Sintered NdFeB magnet techniques and equipment such as strip casting, HDDR technology;

7. High coercive force, the max operation temp is up to 200 degree centigrade or 380 curie temperature;
 
Technical data of Sintered NdFeB
Grade Br Hcb Hcj (BH)max  (Tw)
mT (kGs) kA/m (kOe) kA/m (kOe) kJ/m3 (MGOe)
N35 1170-1220 (11.7-12.2) ≥ 868 ( ≥ 10.9) ≥ 955 ( ≥ 12) 263-287 (33-36) 80 ºC
N38 1220-1250 (12.2-12.5) ≥ 899 ( ≥ 11.3) ≥ 955 ( ≥ 12) 287-310 (36-39) 80 ºC
N40 1250-1280 (12.5-12.8) ≥ 907 ( ≥ 11.4) ≥ 955 ( ≥ 12) 302-326 (38-41) 80 ºC
N42 1280-1320 (12.8-13.2) ≥ 915 ( ≥ 11.5) ≥ 955 ( ≥ 12) 318-342 (40-43) 80 ºC
N45 1320-1380 (13.2-13.8) ≥ 923 ( ≥ 11.6) ≥ 955 ( ≥ 12) 342-366 (43-46) 80 ºC
N48 1380-1420 (13.8-14.2) ≥ 923 ( ≥ 11.6) ≥ 876 ( ≥ 12) 366-390 (46-49) 80 ºC
N50 1400-1450 (14.0-14.5) ≥ 796 ( ≥ 10.0) ≥ 876 ( ≥ 11) 382-406 (48-51) 60 ºC
N52 1430-1480 (14.3-14.8) ≥ 796 ( ≥ 10.0) ≥ 876 ( ≥ 11) 398-422 (50-53) 60 ºC
30M 1080-1130 (10.8-11.3) ≥ 796 ( ≥ 10.0) ≥ 1114 ( ≥ 14) 223-247 (28-31) 100 ºC
33M 1130-1170 (11.3-11.7) ≥ 836 ( ≥ 10.5) ≥ 1114 ( ≥ 14) 247-263 (31-33) 100 ºC
35M 1170-1220 (11.7-12.2) ≥ 868 ( ≥ 10.9) ≥ 1114 ( ≥ 14) 263-287 (33-36) 100 ºC
38M 1220-1250 (12.2-12.5) ≥ 899 ( ≥ 11.3) ≥ 1114 ( ≥ 14) 287-310 (36-39) 100 ºC
40M 1250-1280 (12.5-12.8) ≥ 923 ( ≥ 11.6) ≥ 1114 ( ≥ 14) 302-326 (38-41) 100 ºC
42M 1280-1320 (12.8-13.2) ≥ 955 ( ≥ 12.0) ≥ 1114 ( ≥ 14) 318-342 (40-43) 100 ºC
45M 1320-1380 (13.2-13.8) ≥ 995 ( ≥ 12.5) ≥ 1114 ( ≥ 14) 342-366 (43-46) 100 ºC
48M 1360-1430 (13.6-14.3) ≥ 1027 ( ≥ 12.9) ≥ 1114 ( ≥ 14) 366-390 (46-49) 100 ºC
50M 1400-1450 (14.0-14.5) ≥ 1033 ( ≥ 13.0) ≥ 1114 ( ≥ 14) 382-406 (48-51) 100 ºC
30H 1080-1130 (10.8-11.3) ≥ 796 ( ≥ 10.0) ≥ 1353 ( ≥ 17) 223-247 (28-31) 120 ºC
33H 1130-1170 (11.3-11.7) ≥ 836 ( ≥ 10.5) ≥ 1353 ( ≥ 17) 247-271 (31-34) 120 ºC
35H 1170-1220 (11.7-12.2) ≥ 868 ( ≥ 10.9) ≥ 1353 ( ≥ 17) 263-287 (33-36) 120 ºC
38H 1220-1250 (12.2-12.5) ≥ 899 ( ≥ 11.3) ≥ 1353 ( ≥ 17) 287-310 (36-39) 120 ºC
40H 1250-1280 (12.5-12.8) ≥ 923 ( ≥ 11.6) ≥ 1353 ( ≥ 17) 302-326 (38-41) 120 ºC
42H 1280-1320 (12.8-13.2) ≥ 955 ( ≥ 12.0) ≥ 1353 ( ≥ 17) 318-342 (40-43) 120 ºC
45H 1300-1360 (13-13.6) ≥ 963 ( ≥ 12.1) ≥ 1353 ( ≥ 17) 326-358 (43-46) 120 ºC
48H 1370-1430 (13.7-14.3) ≥ 995 ( ≥ 12.5) ≥ 1353 ( ≥ 17) 366-390 (46-49) 120 ºC
30SH 1080-1130 (10.8-11.3) ≥ 804 ( ≥ 10.1) ≥ 1592 ( ≥ 20) 223-247 (28-31) 150 ºC
33SH 1130-1170 (11.3-11.7) ≥ 844 ( ≥ 10.6) ≥ 1592 ( ≥ 20) 247-271 (31-34) 150 ºC
35SH 1170-1220 (11.7-12.2) ≥ 876 ( ≥ 11.0) ≥ 1592 ( ≥ 20) 263-287 (33-36) 150 ºC
38SH 1220-1250 (12.2-12.5) ≥ 907 ( ≥ 11.4) ≥ 1592 ( ≥ 20) 287-310 (36-39) 150 ºC
40SH 1240-1280 (12.5-12.8) ≥ 939 ( ≥ 11.8) ≥ 1592 ( ≥ 20) 302-326 (38-41) 150 ºC
42SH 1280-1320 (12.8-13.2) ≥ 987 ( ≥ 12.4) ≥ 1592 ( ≥ 20) 318-342 (40-43) 150 ºC
45SH 1320-1380 (13.2-13.8) ≥ 1003 ( ≥ 12.6) ≥ 1592 ( ≥ 20) 342-366 (43-46) 150 ºC
28UH 1020-1080  (10.2-10.8) ≥ 764 ( ≥ 9.6) ≥ 1990 ( ≥ 25) 207-231 (26-29) 180 ºC
30UH 1080-1130  (10.8-11.3) ≥ 812 ( ≥ 10.2) ≥ 1990 ( ≥ 25) 223-247 (28-31) 180 ºC
33UH 1130-1170 (11.3-11.7) ≥ 852 ( ≥ 10.7) ≥ 1990 ( ≥ 25) 247-271 (31-34) 180 ºC
35UH 1180-1220 (11.8-12.2) ≥ 860 ( ≥ 10.8) ≥ 1990 ( ≥ 25) 263-287 (33-36) 180 ºC
38UH 1220-1250 (12.2-12.5) ≥ 876 ( ≥ 11.0) ≥ 1990 ( ≥ 25) 287-310 (36-39) 180 ºC
40UH 1240-1280 (12.5-12.8) ≥ 899 ( ≥ 11.3) ≥ 1990 ( ≥ 25) 302-326 (38-41) 180 ºC
28EH 1040-1090 (10.4-10.9) ≥ 780 ( ≥ 9.8) ≥ 2388 ( ≥ 30) 207-231 (26-29) 200 ºC
30EH 1080-1130 (10.8-11.3) ≥ 812 ( ≥ 10.2) ≥ 2388 ( ≥ 30) 223-247 (28-31) 200 ºC
33EH 1130-1170 (11.3-11.7) ≥ 836 ( ≥ 10.5) ≥ 2388 ( ≥ 30) 247-271 (31-34) 200 ºC
35EH 1170-1220 (11.7-12.2) ≥ 876 ( ≥ 11.0) ≥ 2388 ( ≥ 30) 263-287 (33-36) 200 ºC
38EH 1220-1250 (12.2-12.5) ≥ 899 ( ≥ 11.3) ≥ 2388 ( ≥ 30) 287-310 (36-39) 200 ºC
28AH 1040-1090 (10.4-10.9) ≥ 787 ( ≥ 9.9) ≥ 2624 ( ≥ 33) 207-231 (26-29) 230 ºC
30AH 1080-1130 (10.8-11.3) ≥ 819 ( ≥ 10.3) ≥ 2624 ( ≥ 33) 223-247 (28-31) 230 ºC
33AH 1130-1170 (11.3-11.7) ≥ 843 ( ≥ 10.6) ≥ 2624 ( ≥ 33) 247-271 (31-34) 230 ºC

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