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Technical Specifications
Parameters and characteristics for this part
| Specification | CT431-HSWF20DR |
|---|---|
| Accuracy | 0.7 % |
| Current - Sensing | 20 A |
| Current - Supply (Max) [Max] | 9 mA |
| For Measuring | DC, AC |
| Frequency [Max] | 1 MHz |
| Frequency [Min] | DC |
| Linearity | 0.1 % |
| Mounting Type | Surface Mount |
| Number of Channels [custom] | 1 |
| Operating Temperature [Max] | 125 °C |
| Operating Temperature [Min] | -40 C |
| Output | Ratiometric, Voltage |
| Package / Case | 16-SOIC |
| Package / Case | 7.5 mm |
| Package / Case | 0.295 " |
| Polarization | Unidirectional |
| Response Time | 300 ns |
| Sensitivity | 100 mV/g |
| Sensor Type | Magnetoresistive |
| Supplier Device Package | 16-SOIC |
| Voltage - Supply [Max] | 3.6 V |
| Voltage - Supply [Min] | 3 V |
| Part | Supplied Contents | Sensing Range | Embedded | Utilized IC / Part | Interface | Voltage - Supply [Max] | Voltage - Supply [Min] | Contents | Sensitivity | Sensor Type | Accuracy | Response Time | Current - Sensing | Package / Case | Package / Case | Package / Case | Current - Supply (Max) [Max] | Supplier Device Package | Output | Linearity | Operating Temperature [Max] | Operating Temperature [Min] | Mounting Type | Frequency [Max] | Frequency [Min] | Number of Channels [custom] | Polarization | For Measuring | Sensing Range [Min] | Sensing Range [Max] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 Allegro MicroSystems | Board(s) | 65 A | CT431 | Analog | 3.6 V | 3 V | Board(s) | 30.8 mV/A | Current Sensor | |||||||||||||||||||||
Allegro MicroSystems | Board(s) | 30 A | CT431 | Analog | 3.6 V | 3 V | Board(s) | 33.3 mV/°/s | Current Sensor | |||||||||||||||||||||
Allegro MicroSystems | 3.6 V | 3 V | 40 mV/g | Magnetoresistive | 1 % | 300 ns | 50 A | 16-SOIC | 7.5 mm | 0.295 " | 9 mA | 16-SOIC | Ratiometric Voltage | 0.2 % | 125 °C | -40 C | Surface Mount | 1 MHz | DC | 1 | Unidirectional | AC DC | ||||||||
Allegro MicroSystems | Board(s) | 65 A | CT431 | Analog | 3.6 V | 3 V | Board(s) | 15.4 LSB/mT | Current Sensor | |||||||||||||||||||||
Allegro MicroSystems | Board(s) | CT431 | Analog | 3.6 V | 3 V | Board(s) | 20 mV/mT | Current Sensor | -50 A | 50 A | ||||||||||||||||||||
Allegro MicroSystems | Board(s) | 30 A | CT431 | Analog | 3.6 V | 3 V | Board(s) | 66.7 mV/A | Current Sensor | |||||||||||||||||||||
Allegro MicroSystems | 3.6 V | 3 V | 20 mV/mT | Magnetoresistive | 0.5 % | 300 ns | 50 A | 16-SOIC | 7.5 mm | 0.295 " | 9 mA | 16-SOIC | Ratiometric Voltage | 0.1 % | 125 °C | -40 C | Surface Mount | 1 MHz | DC | 1 | Bidirectional | AC DC | ||||||||
Allegro MicroSystems | 3.6 V | 3 V | 100 mV/g | Magnetoresistive | 0.7 % | 300 ns | 20 A | 16-SOIC | 7.5 mm | 0.295 " | 9 mA | 16-SOIC | Ratiometric Voltage | 0.1 % | 125 °C | -40 C | Surface Mount | 1 MHz | DC | 1 | Unidirectional | AC DC | ||||||||
Allegro MicroSystems | Board(s) | CT431 | Analog | 3.6 V | 3 V | Board(s) | 50 mV/A | Current Sensor | -20 A | 20 A | ||||||||||||||||||||
Allegro MicroSystems | 3.6 V | 3 V | 30.8 mV/A | Magnetoresistive | 1 % | 300 ns | 65 A | 16-SOIC | 7.5 mm | 0.295 " | 9 mA | 16-SOIC | Ratiometric Voltage | 0.2 % | 125 °C | -40 C | Surface Mount | 1 MHz | DC | 1 | Unidirectional | AC DC |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 5.58 | |
| 5 | $ 4.70 | |||
| 10 | $ 4.37 | |||
| 25 | $ 3.97 | |||
| 50 | $ 3.68 | |||
| 100 | $ 3.42 | |||
| 500 | $ 2.89 | |||
| Digi-Reel® | 1 | $ 5.58 | ||
| 5 | $ 4.70 | |||
| 10 | $ 4.37 | |||
| 25 | $ 3.97 | |||
| 50 | $ 3.68 | |||
| 100 | $ 3.42 | |||
| 500 | $ 2.89 | |||
| N/A | 827 | $ 4.21 | ||
| Tape & Reel (TR) | 1000 | $ 2.68 | ||
| 2000 | $ 2.50 | |||
| 3000 | $ 2.39 | |||
Description
General part information
CT431 Series
Current Sensor 20A 1 Channel Magnetoresistive Unidirectional 16-SOIC (0.295", 7.50mm Width)