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Sky Magnetech (Ningbo) Co., Ltd.
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Ferrite Speaker Magnets
| Price: | 0.1~50.0 USD |
| Payment Terms: | T/T,L/C |
| Place of Origin: | Zhejiang, China (Mainland) |
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Product Detail
1.Cheapest magnet material
2. Compact crystal
3.Excellent temperature stability
4.Good anti-corrosion performance
Ferrite magnet for speaker:
Characteristics:
1. High stability, low price.
2.Material grade required: Y30, Y30BH, Y33, Y35.
3.Shapes available: segment, arc, ring, block, etc.
4.Size: provide various dimensions of magnet according to customer's drawing or samples.
5.High precision, environment protection, high efficiency.
6.Low noise metallurgical products.
Chinese grade for sintered ferrite magnets
Grade | Br mT KG | Hcb KA/m KOe | Hcj KA/m KOe | (BH)max KJ/m3 MGOe | Equivalent to Former standard |
Y8T | 200-2352.0-2.35 | 125-1601.57-2.01 | 210-2802.64-3.52 | 6.5-8.5 0.8-1.2 | Y10T |
Y20 | 320-3803.2-3.8 | 135-1901.70-2.58 | 140-1951.76-2.45 | 18.0-22.02.3-2.8 | Y20 |
Y22H | 310-3603.1-3.6 | 220-2502.77-3014 | 280-3203.52-4.02 | 20.0-24.02.5-3.0 | |
Y23H | 320-3703.2-3.7 | 170-1902.14-2.38 | 190-2302.39-2.89 | 20.0-25.52.5-3.2 | |
Y25 | 360-4003.6-4.0 | 135-1701.70-2.14 | 140-2001.76-2.51 | 22.5-28.02.8-3.5 | Y25 |
Y26H | 360-3903.6-3.9 | 220-2502.77-3.14 | 225-2552.83-3.21 | 23.0-28.02.9-3.5 | |
Y27H | 370-4003.7-4.0 | 205-2502.58-3.14 | 210-2552.64-3.21 | 25.0-29.03.1-3.7 | |
Y28 | 370-4003.7-4.0 | 175-2102.20-2.64 | 180-2202.26-2.77 | 26.0-30.03.3-3.8 | Y30 |
Y30H-1 | 380-4003.8-4.0 | 230-2752.89-3.46 | 235-2902.95-3.65 | 27.0-32.53.4-4.1 | Y30BH |
Y30H-2 | 395-4153.95-4.15 | 275-3003.46-3.77 | 310-3353.90-4.21 | 28.5-32.03.5-4.0 | |
Y32 | 400-4204.0-4.2 | 160-1902.01-2.38 | 165-1952.07-2.45 | 30.0-33.53.8-4.2 | Y35 |
Y33 | 410-4304.1-4.3 | 220-2502.77-3.14 | 225-2552.83-3.21 | 31.5-35.04.0-4.4 |
USA standard
| Material | Br | HcB | HcJ | (BH)max | ||||
mT | KG | KA/m | KOe | KA/e | KOe | kj/m3 | MGOe | |
| C1 | 230 | 2.3 | 148 | 1.86 | 258 | 3.5 | 8.36 | 1.05 |
| C5 | 380 | 3.8 | 191 | 2.4 | 199 | 2.5 | 27 | 3.4 |
| C7 | 340 | 3.4 | 258 | 3.23 | 318 | 4.00 | 21.9 | 2.75 |
| C8(=C8A) | 385 | 3.85 | 235 | 2.95 | 242 | 3.05 | 27.8 | 3.5 |
| C8B | 420 | 4.2 | 232 | 2.913 | 236 | 2.96 | 32.8 | 4.12 |
| C9 | 380 | 3.8 | 280 | 3.516 | 320 | 4.01 | 26.4 | 3.32 |
| C10 | 400 | 4.0 | 288 | 3.617 | 280 | 3.51 | 30.4 | 3.82 |
| C11 | 430 | 4.3 | 200 | 2.512 | 204 | 2.56 | 34.4 | 4.32 |
Europe standard
The standard from International Electronics Committee(IEC404-8-1)
Grade | Allowed Value (min/typical) | |||||||
Br | Hcb(BHC) | Hcj(IHC) | (BH)max | |||||
MT | KG | KA/m | KOe | KA/m | KOe | Kj/m3 | MGOe | |
HF8/22 | 200/220 | 2.00/2.20 | 125/140 | 1.57/1.76 | 220/230 | 2.76/2.89 | 6.5/6.8 | 0.8/1.1 |
HF20/19 | 320/333 | 3.20/3.33 | 170/190 | 2.14/2.39 | 190/200 | 2.39/2.51 | 20.0/21.0 | 2.5/2.7 |
HF20/28 | 310/325 | 3.10/3.25 | 220/230 | 2.76/2.89 | 280/290 | 3.52/3.64 | 20.0/21.0 | 2.5/2.7 |
HF22/30 | 350/365 | 3.50/3.65 | 255/265 | 3.20/3.33 | 290/300 | 3.64/3.77 | 22.0/23.5 | 2.8/3.0 |
HF24/16 | 350/365 | 3.50/3.65 | 155/175 | 1.95/2.20 | 160/180 | 2.01/2.26 | 24.0/25.5 | 3.0/3.2 |
HF24/23 | 350/365 | 3.50/3.65 | 220/230 | 2.76/2.89 | 230/240 | 2.89/3.01 | 24.0/25.5 | 3.0/3.2 |
HF24/35 | 360/370 | 3.60/3.70 | 260/270 | 3.27/3.39 | 350/360 | 4.40/4.52 | 24.0/25.5 | 3.0/3.2 |
HF26/16 | 370/380 | 3.70/3.80 | 155/175 | 1.95/2.20 | 160/180 | 2.01/2.26 | 26.0/27.0 | 3.2/3.4 |
HF26/18 | 370/380 | 3.70/3.80 | 175/190 | 2.20/2.39 | 180/190 | 2.26/2.39 | 26.0/27.0 | 3.3/3.4 |
HF26/24 | 370/380 | 3.70/3.80 | 230/240 | 2.89/3.01 | 240/250 | 3.01/3.14 | 26.0/27.0 | 3.3/3.4 |
HF26/26 | 370/380 | 3.70/3.80 | 230/240 | 2.89/3.01 | 260/270 | 3.27/3.39 | 26.0/27.0 | 3.3/3.4 |
HF26/30 | 385/395 | 3.85/3.95 | 260/270 | 3.27/3.39 | 300/310 | 3.77/3.89 | 26.0/27.0 | 3.3/3.4 |
HF28/26 | 385/395 | 3.85/3.95 | 250/265 | 3.14/3.33 | 260/275 | 3.27/3.45 | 28.0/30.0 | 3.5/3.8 |
HF28/28 | 385/395 | 3.85/3.95 | 260/270 | 3.27/3.39 | 280/290 | 3.50/3.60 | 28.0/30.0 | 3.5/3.8 |
HF30/26 | 395/405 | 3.95/4.05 | 250/260 | 3.14/3.33 | 260/270 | 3.27/3.39 | 30.0/31.5 | 3.8/3.9 |
HF32/17 | 410/420 | 4.10/4.20 | 160/180 | 2.01/2.26 | 165/175 | 2.07/2.20 | 32.0/33.0 | 4.0/4.1 |
HF32/22 | 410/420 | 4.10/4.20 | 215/225 | 2.70/2.83 | 220/230 | 2.76/2.89 | 32.0/33.0 | 4.0/4.1 |
HF32/25 | 410/420 | 4.10/4.20 | 240/250 | 3.01/3.14 | 250/260 | 3.14/3.27 | 32.0/33.0 | 4.0/4.1 |
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Company Info
Sky Magnetech (Ningbo) Co., Ltd. [China (Mainland)]
Business Type:Manufacturer
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)
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