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Jingqiu Magnetic Electric Co.,LTD
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Ring Ferrite Magnet with hole
| Price: | 0.1~10.0 USD |
| Payment Terms: | T/T,L/C |
| Place of Origin: | Zhejiang, China (Mainland) |
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Product Detail
Sintered Ferrite Magnets
Magnetic Properties of Sintered Ferrite Magnets
National standard
| Grade | Value | |||||||
| Br | Hcb(BHC) | Hcj(IHC) | (BH)max | |||||
| mT | KG | KA/m | KOe | KA/m | KOe | Kj/m3 | MGOe | |
| Y10T(=C1) | 200/218 | 2.00/2.18 | 125/145 | 1.57/1.82 | 210/250 | 2.64/3.14 | 6.5/8.0 | 0.8/1.0 |
| Y25 | 360/370 | 3.60/3.70 | 135/150 | 1.70/1.88 | 140/170 | 1.76/2.14 | 22.5/25.3 | 2.8/3.2 |
| Y30(=C5) | 380/385 | 3.80/3.85 | 191/210 | 2.40/2.64 | 199/220 | 2.50/2.51 | 26.0/28 | 3.4/3.7 |
| Y30BH | 380/390 | 3.80/3.90 | 223/235 | 2.80/2.95 | 231/245 | 2.90/3.08 | 27.0/30.0 | 3.4/3.7 |
| Y33 | 410/420 | 4.10/4.20 | 220/235 | 2.77/2.95 | 225/240 | 2.83/3.01 | 31.5/33.0 | 4.0/4.2 |
| Y35 | 400/410 | 4.00/4.10 | 175/195 | 2.20/2.45 | 180/200 | 2.26/2.51 | 30.0/32.0 | 3.8/4.0 |
| C8(=C8A) | 385/390 | 3.85/3.90 | 235/255 | 2.95/3.20 | 242/265 | 3.05/3.33 | 27.8/30.0 | 3.5/3.7 |
| C10 | 400/410 | 4.00/4.10 | 288/300 | 3.62/3.77 | 280/287 | 3.51/3.60 | 30.4/31.9 | 3.8/4.0 |
Chinese standard
| Material | Br | HcB | HcJ | (BH)max | ||||
| mT | KG | KA/m | Oe | KA/m | Oe | Kj/m3 | MGOe | |
| Y8T | 200~235 | ≥2000 | 125~160 | ≥1570 | 210~280 | ≥2610 | 6.5~9.5 | ≥0.8 |
| Y22H | 310~360 | ≥3100 | 220~250 | ≥2770 | 280~320 | ≥3520 | 20.0~24.0 | ≥2.5 |
| Y25 | 360~400 | ≥3600 | 135~170 | ≥1700 | 140~200 | ≥1760 | 22.5~28.0 | ≥2.8 |
| Y26H-1 | 360~390 | ≥3600 | 220~250 | ≥2512 | 225~255 | ≥2830 | 23.0~28.0 | ≥2.9 |
| Y26H-2 | 360-380 | ≥3600 | 263-288 | ≥3300 | 318-350 | ≥4000 | 24.0-28.0 | ≥3.0 |
| Y27H | 370~400 | ≥3500 | 225-240 | ≥2830 | 235-260 | ≥2950 | 25.0~29.0 | ≥3.1 |
| Y28 | 370-400 | ≥3700 | 175-210 | ≥2200 | 180-220 | ≥2260 | 26.0-30.0 | ≥3.3 |
| Y28H-1 | 380-400 | ≥3800 | 240-260 | ≥3020 | 250-280 | ≥3140 | 27.0-30.0 | ≥3.1 |
| Y28H-2 | 360-380 | ≥3600 | 271-295 | ≥3400 | 382-405 | ≥1800 | 26.0-30.0 | ≥3.3 |
| Y30 | 370~400 | 3.7~4.0 | 175~210 | 2.20~2.64 | 180~220 | 2.26~2.77 | 26.0~30.0 | 3.3~3.8 |
| Y30H-1 | 380~400 | ≥3800 | 230-275 | ≥2890 | 235-290 | ≥2950 | 27.0~32.5 | ≥3.4 |
| Y30H-2 | 395-415 | ≥3950 | 275-300 | ≥3460 | 310-335 | ≥3900 | 27.0~32.0 | ≥3.4 |
| Y32 | 400~420 | ≥4000 | 160~190 | ≥2010 | 165~195 | ≥2070 | 30.0~33.5 | ≥3.8 |
| Y32H-1 | 400-420 | ≥4000 | 190-230 | ≥2390 | 230-250 | ≥2890 | 34.5-35.0 | ≥4.0 |
| Y32H-2 | 400-440 | ≥4000 | 224-240 | ≥2810 | 230-250 | ≥2890 | 31.0-34.0 | ≥3.9 |
| Y33 | 410~430 | ≥4100 | 220~250 | ≥2760 | 225~255 | ≥2830 | 31.5~35.0 | ≥4.0 |
| Y33H | 410-430 | ≥4100 | 250-270 | ≥3140 | 250-275 | ≥3140 | 31.5-35.0 | ≥4.0 |
| Y34 | 420-440 | ≥4200 | 200-230 | ≥2510 | 205-235 | ≥2580 | 32.5-36.0 | ≥4.1 |
| Y35 | 430-450 | ≥4300 | 215-239 | ≥2700 | 217-242 | ≥2730 | 33.1-33.2 | ≥4.2 |
| Y36 | 440-450 | ≥4400 | 247-271 | ≥3100 | 250-374 | ≥4400 | 35.1-38.3 | ≥4.4 |
| Y38 | 440-460 | ≥4400 | 285-305 | ≥3580 | 294-310 | ≥3690 | 36.6-40.6 | ≥4.6 |
| Y40 | 450-460 | ≥4500 | 330-354 | ≥4150 | 340-360 | ≥4270 | 37.6-41.8 | ≥4.7 |
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 |
Japan TDK standard
| Grade | Composition | Br | Hcb | Hcj | BH max | ||||
| mT | kG | kA/m | kOe | kA/m | kOe | KJ/m3 | MGOe | ||
| FB40 | SrO6Fe2O3 | 410+/-10 | 4.1+/-10 | 234.8+/-11.9 | 2.95+/-0.15 | 238.7+/-15.9 | 3.0+/-0.2 | 31.4+/-1.6 | 3.95+/-0.2 |
| FB3N | SrO6Fe2O3 | 395+/-15 | 3.95+/-15 | 234.8+/-11.9 | 2.95+/-0.15 | 238.7+/-15.9 | 3.0+/-0.2 | 28.7+/-2.4 | 3.6+/-0.3 |
| FB3G | SrO6Fe2O3 | 375+/-15 | 3.75+/-15 | 254.6+/-15.9 | 3.2+/-0.2 | 270.6+/-19.9 | 3.4+/-0.25 | 25.9+/-2.4 | 3.25+/-0.3 |
| FB3X | SrO6Fe2O3 | 375+/-15 | 3.75+/-15 | 234.8+/-11.9 | 2.95+/-0.15 | 238.7+/-15.9 | 3.0+/-0.2 | 25.9+/-2.4 | 3.25+/-0.3 |
| FB1A | SrO6Fe2O3 | 220+/-15 | 2.20+/-15 | 159.2+/-15.9 | 2.0+/-0.2 | 258.6+/-19.9 | 3.25+/-0.25 | 8.9+/-1.6 | 1.1+/-0.2 |
| FB5H | SrO6Fe2O3 | 405+/-15 | 4.05+/-15 | 298.4+/-11.9 | 3.75+/-0.15 | 322.3+/-11.9 | 4.05+/-0.15 | 31.1+/-1.6 | 3.9+/-0.2 |
| FB4X | SrO6Fe2O3 | 420+/-10 | 4.20+/-10 | 234.8+/-11.9 | 2.95+/-0.15 | 238.7+/-15.9 | 3.0+/-0.2 | 33.4+/-1.6 | 4.2+/-0.2 |
| FB4B | SrO6Fe2O3 | 400+/-10 | 4.00+/-10 | 254.6+/-11.9 | 3.2+/-0.2 | 262.6+/-19.9 | 3.3+/-0.25 | 30.3+/-1.6 | 3.8+/-0.2 |
| FB4A | SrO/ BaO6Fe2O3 | 410+/-10 | 4.10+/-10 | 175.1+/-15.9 | 2.2+/-0.2 | 176.7+/-15.9 | 2.22+/-0.2 | 31.8+/-1.6 | 4.0+/-0.2 |
| FBGN | SrO6Fe2O3 | 440+/-10 | 4.40+/-10 | 258.6+/-11.9 | 3.25+/-0.15 | 262.6+/-11.9 | 3.3+/-0.15 | 36.7+/-1.6 | 4.6+/-0.2 |
| FB6B | SrO6Fe2O3 | 420+/-10 | 4.20+/-10 | 302.4+/-11.9 | 3.8+/-0.15 | 318.3+/-11.9 | 4.0+/-0.15 | 33.4+/-1.6 | 4.2+/-0.2 |
| FB6H | SrO6Fe2O3 | 400+/-10 | 4.00+/-10 | 302.4+/-11.9 | 3.8+/-0.15 | 358.1+/-11.9 | 4.5+/-0.15 | 30.3+/-1.6 | 3.8+/-0.2 |
| FB6E | SrO6Fe2O3 | 380+/-10 | 3.80+/-10 | 290.5+/-11.9 | 3.65+/-0.15 | 393.9+/-11.9 | 4.95+/-0.15 | 27.5+/-1.6 | 3.45+/-0.2 |
| FB5N | SrO6Fe2O3 | 440+/-10 | 4.40+/-10 | 256.8+/-11.9 | 2.85+/-0.15 | 2259.2+/-11.9 | 2.88+/-0.15 | 36.7+/-1.6 | 4.6+/-0.2 |
| FB5B | SrO6Fe2O3 | 420+/-10 | 4.20+/-10 | 262.6+/-11.9 | 3.3+/-0.15 | 266.6+/-11.9 | 3.35+/-0.15 | 33.4+/-1.6 | 4.2+/-0.2 |
Physical Characteristics
| Compressive Strength | 1.4 x 104 kg/cm2 |
| Required Magnetizing Field | 12,000 – 15,000 Oe |
| Electrical Resistivity | > 104 μ-ohm-cm/cm2 |
| Density | 4.7-5.0 g/cm3 |
| Recoil Permeability | 1.05 μr |
| Rev. Temp. Coeff. | -0.20 %/°C |
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Company Info
Jingqiu Magnetic Electric Co.,LTD [China (Mainland)]
Business Type:Manufacturer
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)
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http://www.magnets-jq.com:
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