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CT427 XtremeSense® TMR Sensors

Allegro MicroSystems CT427 XtremeSense® TMR Sensors offer a 0.30µs response time, ≤±1.0% FS total error output, and 3V to 3.6V supply voltage range. These sensors feature XtremeSense TMR technology that enables high accuracy current measurements for various applications. CT427 sensors support two current ranges where the integrated current-carrying conductor (CCC) handles up to 30A of current and generates a current measurement as a linear analog output voltage. Allegro MicroSystems CT427 XtremeSense TMR Sensors are ideal for white goods, battery management systems, consumer electronics, and telecom power supplies.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Current Rating	Sensor Type	Response Time	Accuracy	Frequency Range	Operating Supply Voltage	Output Type	Maximum Operating Temperature	Minimum Operating Temperature	Package/Case	Supply Voltage - Max	Supply Voltage - Min	Type
	Board Mount Current Sensors CT427-HSN820MR CT427-HSN820MR Allegro MicroSystems 1: 3,59 € 4.816In Stock	Mfr. Part No. CT427-HSN820MR Mouser Part No 462-CT427-HSN820MR	Allegro MicroSystems	Board Mount Current Sensors CT427-HSN820MR Learn More about Allegro MicroSystems crocus ct427 current sensors	Datasheet	4.816In Stock	Cut Tape 3,59 € 3,24 € 3,11 € 2,95 € View Reel 2,39 € 2,84 € 2,73 € 2,61 € 2,53 € 2,39 €	Min.: 1 Mult.: 1 : 2.000			20 A	Current Sense	0.3 us	0.7 %	1 MHz	3.3 V	Analog	+ 125 C	- 40 C	SOIC-8	3.6 V	3 V	Isolated Current Sensor (TMR)
	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(50APK;VDD=3.3V;Upto+125C)withFLTPin CT427-HSN850MR Allegro MicroSystems 1: 3,67 € 1.685In Stock	Mfr. Part No. CT427-HSN850MR Mouser Part No 462-CT427-HSN850MR	Allegro MicroSystems	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(50APK;VDD=3.3V;Upto+125C)withFLTPin Learn More about Allegro MicroSystems allegro ct430 sensors	Datasheet	1.685In Stock	Cut Tape 3,67 € 3,29 € 3,15 € 2,98 € View Reel 2,31 € 2,86 € 2,76 € 2,49 € 2,38 € 2,31 €	Min.: 1 Mult.: 1 : 2.000				Current Sense	300 ns			3 V to 3.6 V		+ 125 C	- 40 C	SOIC-8	3.6 V	3 V	TMR Current Sensor
	Board Mount Current Sensors CT427-HSN830MR CT427-HSN830MR Allegro MicroSystems 1: 4,34 € 55In Stock 24.000Expected 06/05/2027	Mfr. Part No. CT427-HSN830MR Mouser Part No 462-CT427-HSN830MR	Allegro MicroSystems	Board Mount Current Sensors CT427-HSN830MR Learn More about Allegro MicroSystems crocus ct427 current sensors	Datasheet	55In Stock 24.000Expected 06/05/2027	Cut Tape 4,34 € 3,75 € 3,53 € 3,26 € View Reel 2,42 € 3,07 € 2,90 € 2,56 € 2,42 € 2,42 € MouseReel Available	Min.: 1 Mult.: 1 : 2.000			30 A	Current Sense	0.3 us	0.7 %	1 MHz	3.3 V	Analog	+ 125 C	- 40 C	SOIC-8	3.6 V	3 V	Isolated Current Sensor (TMR)
	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(30ADC;VDD=3.3V;Upto+125C)withFLTPin CT427-HSN830DR Allegro MicroSystems 6.000: 2,39 € Non-Stocked Lead-Time 36 Weeks	Mfr. Part No. CT427-HSN830DR Mouser Part No 462-CT427-HSN830DR	Allegro MicroSystems	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(30ADC;VDD=3.3V;Upto+125C)withFLTPin Learn More about Allegro MicroSystems allegro ct430 sensors	Datasheet	Non-Stocked Lead-Time 36 Weeks	Cut Tape 2,39 €	Min.: 6.000 Mult.: 6.000 : 2.000
	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(50ADC;VDD=3.3V;Upto+125C)withFLTPin CT427-HSN850DR Allegro MicroSystems 6.000: 2,39 € Non-Stocked Lead-Time 36 Weeks	Mfr. Part No. CT427-HSN850DR Mouser Part No 462-CT427-HSN850DR	Allegro MicroSystems	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(50ADC;VDD=3.3V;Upto+125C)withFLTPin Learn More about Allegro MicroSystems allegro ct430 sensors	Datasheet	Non-Stocked Lead-Time 36 Weeks	Cut Tape 2,39 €	Min.: 6.000 Mult.: 6.000 : 2.000
	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(65ADC;VDD=3.3V;Upto+125C)withFLTPin CT427-HSN865DR Allegro MicroSystems 6.000: 2,39 € Non-Stocked Lead-Time 36 Weeks	Mfr. Part No. CT427-HSN865DR Mouser Part No 462-CT427-HSN865DR	Allegro MicroSystems	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(65ADC;VDD=3.3V;Upto+125C)withFLTPin Learn More about Allegro MicroSystems allegro ct430 sensors	Datasheet	Non-Stocked Lead-Time 36 Weeks	Cut Tape 2,39 €	Min.: 6.000 Mult.: 6.000 : 2.000
	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(65APK;VDD=3.3V;Upto+125C)withFLTPin CT427-HSN865MR Allegro MicroSystems 6.000: 2,36 € Non-Stocked Lead-Time 36 Weeks	Mfr. Part No. CT427-HSN865MR Mouser Part No 462-CT427-HSN865MR	Allegro MicroSystems	Board Mount Current Sensors XtremeSenseTMRUltra-LowNoise,8-leadSOIC(65APK;VDD=3.3V;Upto+125C)withFLTPin Learn More about Allegro MicroSystems allegro ct430 sensors	Datasheet	Non-Stocked Lead-Time 36 Weeks	Cut Tape 2,36 €	Min.: 6.000 Mult.: 6.000 : 2.000