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Flux Density Calculator
The below calculator is designed to calculate the magnetic Flux Density in Oersteds (Oe) of a plain disc magnet.
Enter values below and the result will automatically be calculated.
Popular manufacturers
Typical values of Br for disc magnet materials:
Ceramic 1 – 2200 | Ceramic 5 – 3300 | Ceramic 8 –
3250 | Alnico 5 – 12500
Samarium 18 – 8600 | Samarium 24 – 9600 | Samarium 26 –
10600 | Samarium 32 – 11000
NdFeB 35 – 12300 | NdFeB 39H – 13000 | NdFeB 42 –
13200 | NdFeB 45 – 13300 | NdFeB 48 – 13800
The table below highlights the range of magnetic sensors we have to offer and their specifications:
| Analog Magnetic Sensors | ||||
|---|---|---|---|---|
| Part Series | Linear Range | Typical Sensitivity(mV/V/Oe) | Maximum Operating Temperature (°C) | Saturation (Oe) |
| NVE AA Series | 1.5 to 450 | 3.6 to 0.1 | 125°C | 15 to 500 |
| NVE AAH Series | 0.6 to 7.5 | 15 to 4 | 150°C | 6 to 15 |
| NVE AAL Series | 1.5 to 10.5 | 3.5 | 125°C | 15 |
| NVE ALT Series | -100 to +100 | 2 | 125°C | 300 |
| NVE AAK Series | 400 to 2500 | 0.0033 | 85°C | 4000 |
| Digital Magnetic Sensors | ||||
|---|---|---|---|---|
| Part Series | Minimum Operate Point | Supply Voltage | Response | Maximum Operating Temperature (°C) |
| NVE AD Series | 1 mT | 4.5V to 30V | Normal (Omnipolar) | 125°C |
| NVE ADV Series | 0.4 mT | 4.5V to 30V | Bipolar | 125°C |
| NVE AFL Series | 0.4 mT | 0.9V to 5.5V | Normal (Omnipolar) | 85°C |
| NVE ADL Series | 2 mT | 2.4V to 4.2V | Normal (Omnipolar) | 125°C |
| NVE AHL Series | 1 mT | 0.9V to 2.4V | Normal (Omnipolar) | 85°C |
| NVE ADT Series | 1.5 mT | 2.4V to 4.2V | Normal (Omnipolar) | 85°C |
| NVE AHT Series | 1.5 mT | 0.9V to 1.8V | Normal (Omnipolar) | 85°C |
| Smart Magnetic Sensors | ||||
|---|---|---|---|---|
| Part Number | Field Range | Accuracy | Speed | Output |
| SM124-10E | 10 Oe (Omnipolar) | 5% | 10 kSps | I2C, Digital Threshold |
| SM225-10E | 150 Oe (Bipolar) | 2% | 15 kSps | SPI |
| SM324-10E | 20 Oe (Bipolar) | 0.3% | 300 Sps | I2C, Digital Threshold |
