Specification	CT428-HSN850MR

Accuracy	0.5 %
Current - Sensing	50 A
Current - Supply (Max) [Max]	9 mA
For Measuring	DC, AC
Frequency [Max]	1 MHz
Frequency [Min]	DC
Linearity	0.1 %
Mounting Type	Surface Mount
Number of Channels [custom]	1
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 C
Output	Ratiometric, Voltage
Package / Case	0.154 in
Package / Case	8-SOIC
Package / Case	3.9 mm
Polarization	Bidirectional
Response Time	300 ns
Sensitivity	40 mV/g
Sensor Type	Magnetoresistive
Supplier Device Package	8-SOIC
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	Cut Tape (CT)	1	$ 4.38
		5	$ 3.69
		10	$ 3.43
		25	$ 3.11
		50	$ 2.89
		100	$ 2.69
		500	$ 2.27
		1000	$ 2.11
	Digi-Reel®	1	$ 4.38
		5	$ 3.69
		10	$ 3.43
		25	$ 3.11
		50	$ 2.89
		100	$ 2.69
		500	$ 2.27
		1000	$ 2.11
	N/A	3950	$ 3.31
	Tape & Reel (TR)	2000	$ 1.96
		4000	$ 1.82
Mouser	N/A	1	$ 3.31
		5	$ 2.96
		10	$ 2.83
		25	$ 2.67
		50	$ 2.56
		100	$ 2.47
		500	$ 2.21
		1000	$ 1.80
		2000	$ 1.79

Description

General part information

CT428 Series

Current Sensor 50A 1 Channel Magnetoresistive Bidirectional 8-SOIC (0.154", 3.90mm Width)

CT428-HSN850MR

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CT428-HSN850MR

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Technical Specifications

CT428 Series

Pricing

Description

CT428 Series

Documents

Thermal Resistance IC Sensor

XtremeSense™ TMR technology

Heat Pumps Brochure

Datasheet