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ACS72981LLRATR-050B3 Current Sensor Compact Carrier -50A to +50A, 3.3V
This is the compact version of a simple carrier for Allegro’s ACS72981LLRATR-050B3 Hall effect-based, electrically isolated current sensor, which offers a low-resistance (~0.2 mΩ) current path and a high 250 kHz bandwidth for fast response times.
| Part Suffix | Range | Supply Voltage | Sensitivity @ 3.3 V | Zero Point @ 3.3 V | Size |
|---|---|---|---|---|---|
| 050B3 | ±50 A (bidirectional) | 3.0 V to 3.6 V | 26.4 mV/A | 1.65 V | 0.7″×0.8″ |
Alternatives available with variations in these parameter(s): current range size Select variant…
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| Description | Specs (12) | Pictures (13) | Resources (6) | FAQs (0) | On the blog (0) | Distributors (18) |
|---|
Dimensions
| Size: | 0.7″ × 0.8″ |
|---|---|
| Weight: | 1.4 g |
General specifications
| Typical operating voltage: | 3.3 V |
|---|---|
| Current sense: | 26.4 mV/A1 |
| Minimum logic voltage: | 3.0 V |
| Maximum logic voltage: | 3.6 V |
| Supply current: | 14 mA2 |
| Current range: | -50A to +50A (bidirectional 50A) |
| Current sensor: | Allegro ACS72981LLRATR-050B3 |
Identifying markings
| PCB dev codes: | cs04a |
|---|---|
| Other PCB markings: | 0J14752 |
| Other PCB markings: | 3V3 B05 |
Notes:
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