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Pololu CT433 TMR Current Sensor 0-65A 3.3V
ID: 1194452
5902186340428
zł63.92
Tax included
zł51.97 tax excl.
The module enables unidirectional AC and DC current measurement over a range from 0 A to 65 A. XtremeSense™ TMR technology, an electrically isolated current path, 1 MHz bandwidth, and an analogue voltage output support use in systems requiring fast current measurement and high dV/dt immunity. Pololu CT433-HSWF65DR Large Carrier 0–65 A, 3.3 V
Description
Device Pololu CT433-HSWF65DR Large Carrier uses the Allegro CT433-HSWF65DR sensor intended for unidirectional current measurement. The module requires a supply voltage from 3.0 V to 3.6 V, while the output voltage is 0.65 V at 0 A and increases by 30.8 mV for each ampere of current. The output is non-ratiometric, so the zero point and sensitivity remain independent of the actual supply voltage within the permitted range.
The six-layer PCB with 2 oz copper supports heat dissipation during high-current operation. Connection holes with a diameter of 6.6 mm and a spacing of 22 mm support M6 screws, ring terminals, or wires up to 4 AWG. During testing, the manufacturer achieved approximately 55 A continuous current at an ambient temperature of around 25°C without forced-air cooling. For average currents above 30 A, temperature monitoring and additional cooling should be considered.
Features
- Type: current sensor module
- Module manufacturer: Pololu
- Pololu product number: 5339
- Sensor IC: Allegro CT433-HSWF65DR
- Sensing technology: XtremeSense™ TMR
- Measurement direction: unidirectional
- Measured current type: AC and DC
- Measurement range: 0 A to 65 A
- Supply voltage: 3.0 V to 3.6 V
- Nominal supply voltage: 3.3 V
- Typical supply current: 6 mA
- Output interface: analogue
- Sensitivity: 30.8 mV/A
- Output voltage at 0 A: 0.65 V
- Non-ratiometric output
- Bandwidth: 1 MHz
- Typical response time: 300 ns
- Sensor primary current path resistance: 1 mΩ
- Electrically isolated current path
- Common-mode magnetic field rejection
- Suitable for high dV/dt applications
- Overcurrent fault output: FLT
- FLT activation threshold: approximately 110% of the maximum linear range
- FLT active only while the fault condition is present
- Number of PCB layers: 6
- Copper thickness: 2 oz
- Board dimensions: 30.5 × 35.6 mm
- Weight: 4.3 g
- Current-path connection hole diameter: 6.6 mm
- Connection hole spacing: 22 mm
- Supported screws: M6 or 1/4"
- Maximum directly soldered wire size: 4 AWG
- Signal pins: FLT, VOUT, VCC, GND
- Signal pin pitch: 2.54 mm
- Recommended measured-circuit voltage: below 30 V
- Operating temperature range: −40°C to 125°C
1194452
Data sheet
- Interface
- Sygnał analogowy
- Zakres pomiarowy
- 0 - 65 A
- Sposób podłączenia
- Szeregowy
Manufacturer
- BTC Korporacja sp. z o. o.
- Ludwinowo Zegrzyńskie 52G
- 05-140 Ludwinowo Zegrzyńskie
- Poland
- [email protected]
- 22 767 36 20
Responsible person
- BTC Korporacja sp. z o. o.
- Ludwinowo Zegrzyńskie 52G
- 05-140 Ludwinowo Zegrzyńskie
- Poland
- [email protected]
- 22 767 36 20
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