Specification	CT433-HSWF20DR

Accuracy	0.7 %
Current - Sensing	20 A
Current - Supply (Max)	9 mA
For Measuring	AC, DC
Linearity Tolerance	0.1 %
Maximum Frequency	1 MHz
Minimum Frequency	DC
Mounting Type	Surface Mount
Number of Channels	1
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	-40 °C
Output	Voltage, Ratiometric
Package Length	0.295 in
Package Name	16-SOIC
Package Width	7.5 mm
Polarization	Unidirectional
Response Time	300 ns
Sensitivity	0.1 V/A
Sensor Type	Magnetoresistive
Voltage - Supply (Maximum)	3.6 V
Voltage - Supply (Minimum)	3 V

CT433 Series

Part	Output	Package Name	Operating Temperature (Max)	Operating Temperature (Min)	Sensitivity	Polarization	Current - Supply (Max)	Voltage - Supply (Maximum)	Voltage - Supply (Minimum)	Response Time	Sensor Type	Package Length	Package Width	For Measuring	Maximum Frequency	Minimum Frequency	Accuracy	Number of Channels	Current - Sensing	Mounting Type	Linearity Tolerance	Supplied Contents	Utilized IC / Part	Interface	Sensing Range (Max)	Sensing Range (Min)	Embedded	Contents
Allegro MicroSystems CT433-HSWF50DR	Ratiometric Voltage	16-SOIC	125 °C	-40 °C	40 mV/A	Unidirectional	9 mA	3.6 V	3 V	300 ns	Magnetoresistive	0.295 in	7.5 mm	AC DC	1 MHz	DC	1 %	1	50 A	Surface Mount	0.2 %
Allegro MicroSystems CT433-HSWF65DR	Ratiometric Voltage	16-SOIC	125 °C	-40 °C	30.8 mV/A	Unidirectional	9 mA	3.6 V	3 V	300 ns	Magnetoresistive	0.295 in	7.5 mm	AC DC	1 MHz	DC	1 %	1	65 A	Surface Mount	0.2 %
Allegro MicroSystems CT433-HSWF50MR	Ratiometric Voltage	16-SOIC	125 °C	-40 °C	20 mV/A	Bidirectional	9 mA	3.6 V	3 V	300 ns	Magnetoresistive	0.295 in	7.5 mm	AC DC	1 MHz	DC	0.5 % RH	1	50 A	Surface Mount	0.1 %
Allegro MicroSystems CT433-HSWF65MR	Ratiometric Voltage	16-SOIC	125 °C	-40 °C	15.4 mV/A	Bidirectional	9 mA	3.6 V	3 V	300 ns	Magnetoresistive	0.295 in	7.5 mm	AC DC	1 MHz	DC	0.5 % RH	1	65 A	Surface Mount	0.2 %
Allegro MicroSystems CT433-HSWF20MR	Ratiometric Voltage	16-SOIC	125 °C	-40 °C	50 mV/A	Bidirectional	9 mA	3.6 V	3 V	300 ns	Magnetoresistive	0.295 in	7.5 mm	AC DC	1 MHz	DC	0.5 % RH	1	20 A	Surface Mount	0.1 %
Allegro MicroSystems CTD433-50AC					20 mV/A			3.6 V	3 V		Current Sensor											Board(s)	CT433	Analog	50 A	-50 A	No	Board
Allegro MicroSystems CT433-HSWF30MR	Ratiometric Voltage	16-SOIC	125 °C	-40 °C	33.3 mV/A	Bidirectional	9 mA	3.6 V	3 V	300 ns	Magnetoresistive	0.295 in	7.5 mm	AC DC	1 MHz	DC	0.5 % RH	1	30 A	Surface Mount	0.1 %
Allegro MicroSystems CT433-HSWF20DR	Ratiometric Voltage	16-SOIC	125 °C	-40 °C	0.1 V/A	Unidirectional	9 mA	3.6 V	3 V	300 ns	Magnetoresistive	0.295 in	7.5 mm	AC DC	1 MHz	DC	0.7 %	1	20 A	Surface Mount	0.1 %
Allegro MicroSystems CT433-HSWF30DR	Ratiometric Voltage	16-SOIC	125 °C	-40 °C	66.7 mV/A	Unidirectional	9 mA	3.6 V	3 V	300 ns	Magnetoresistive	0.295 in	7.5 mm	AC DC	1 MHz	DC	0.7 %	1	30 A	Surface Mount	0.1 %
Allegro MicroSystems CT433-HSWF70MR	Analog Voltage	16-SOIC	125 °C	-40 °C	14.3 mV/A	Unidirectional	9 mA	3.6 V	3 V	300 ns	Magnetoresistive	0.295 in	7.5 mm	AC DC	1 MHz	DC	0.5 % RH	1	70 A	Surface Mount	0.2 %

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CAD

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Documents

Technical documentation and resources

CT433-HSWF20DR | Datasheet

Heat Pumps Brochure

XtremeSense™ TMR technology

Implementing CT43x in PDUs

Thermal Resistance IC Sensor

CT43x Performance Overview