Specification	CTD428-50AC

Contents	Board(s)
Embedded	False
Interface	Analog
Sensing Range [Max]	50 A
Sensing Range [Min]	-50 A
Sensitivity	40 mV/g
Sensor Type	Current Sensor
Supplied Contents	Board(s)
Utilized IC / Part	CT428
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	4.75 V

CT428 Series

Part	Supplier Device Package	Response Time	Mounting Type	Current - Supply (Max) [Max]	Output	Operating Temperature [Max]	Operating Temperature [Min]	Sensitivity	Current - Sensing	Linearity	For Measuring	Sensor Type	Number of Channels [custom]	Frequency [Max]	Frequency [Min]	Polarization	Voltage - Supply [Max]	Voltage - Supply [Min]	Accuracy	Package / Case	Package / Case	Package / Case	Supplied Contents	Utilized IC / Part	Sensing Range	Interface	Contents	Sensing Range [Min]	Sensing Range [Max]
Allegro MicroSystems CT428-HSN850MR	8-SOIC	300 ns	Surface Mount	9 mA	Ratiometric Voltage	125 °C	-40 C	40 mV/g	50 A	0.1 %	AC DC	Magnetoresistive	1	1 MHz	DC	Bidirectional	5.5 V	4.75 V	0.5 %	0.154 in	8-SOIC	3.9 mm
Allegro MicroSystems CTD428-30DC								133.3 mV/A				Current Sensor					5.5 V	4.75 V					Board(s)	CT428	30 A	Analog	Board(s)
Allegro MicroSystems CT428-HSN830DR	8-SOIC	300 ns	Surface Mount	9 mA	Ratiometric Voltage	125 °C	-40 C	133.3 mV/A	30 A	0.1 %	AC DC	Magnetoresistive	1	1 MHz	DC	Unidirectional	5.5 V	4.75 V	0.7 %	0.154 in	8-SOIC	3.9 mm
Allegro MicroSystems CT428-HSN865DR	8-SOIC	300 ns	Surface Mount	9 mA	Ratiometric Voltage	125 °C	-40 C	61.5 mV/A	65 A	0.2 %	AC DC	Magnetoresistive	1	1 MHz	DC	Unidirectional	5.5 V	4.75 V	0.7 %	0.154 in	8-SOIC	3.9 mm
Allegro MicroSystems CT428-HSN830MR	8-SOIC	300 ns	Surface Mount	9 mA	Ratiometric Voltage	125 °C	-40 C	66.7 mV/A	30 A	0.1 %	AC DC	Magnetoresistive	1	1 MHz	DC	Bidirectional	5.5 V	4.75 V	0.5 %	0.154 in	8-SOIC	3.9 mm
Allegro MicroSystems CTD428-30AC								66.7 mV/A				Current Sensor					5.5 V	4.75 V					Board(s)	CT428	30 A	Analog	Board(s)
Allegro MicroSystems CT428-HSN865MR	8-SOIC	300 ns	Surface Mount	9 mA	Ratiometric Voltage	125 °C	-40 C	30.8 mV/A	65 A	0.2 %	AC DC	Magnetoresistive	1	1 MHz	DC	Bidirectional	5.5 V	4.75 V	0.5 %	0.154 in	8-SOIC	3.9 mm
Allegro MicroSystems CT428-HSN820DR	8-SOIC	300 ns	Surface Mount	9 mA	Ratiometric Voltage	125 °C	-40 C	200 mV/A	20 A	0.2 %	AC DC	Magnetoresistive	1	1 MHz	DC	Unidirectional	5.5 V	4.75 V	0.7 %	0.154 in	8-SOIC	3.9 mm
Allegro MicroSystems CTD428-50AC								40 mV/g				Current Sensor					5.5 V	4.75 V					Board(s)	CT428		Analog	Board(s)	-50 A	50 A
Allegro MicroSystems CTD428-50DC								80 LSB/°/s				Current Sensor					5.5 V	4.75 V					Board(s)	CT428	50 A	Analog	Board(s)

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Box	1	$ 95.22
	N/A	7	$ 94.54
Mouser	N/A	1	$ 148.49
		5	$ 131.99
		10	$ 123.74
		25	$ 119.61
		50	$ 115.49
		100	$ 113.43

Description

General part information

CT428 Series

CT428 XtremeSense™ Crocus Technology Current Sensor Sensor Evaluation Board

Documents

Technical documentation and resources

XtremeSense™ TMR technology

Datasheet