Specification	CT425-HSN865MR

Accuracy	0.5 %
Current - Sensing	20 A, 65 A
Current - Supply (Max) [Max]	9 mA
For Measuring	DC, AC
Frequency [Max]	1 MHz
Frequency [Min]	DC
Linearity	0.2 %
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	30.8 mV/A
Sensor Type	Magnetoresistive
Supplier Device Package	8-SOIC
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	4.75 V

CT425 Series

Part	Supplied Contents	Sensing Range [Min]	Sensing Range [Max]	Sensitivity	Contents	Sensor Type	Interface	Voltage - Supply [Max]	Voltage - Supply [Min]	Utilized IC / Part	Current - Sensing	Linearity	Polarization	Response Time	For Measuring	Frequency [Max]	Frequency [Min]	Output	Mounting Type	Package / Case	Package / Case	Package / Case	Supplier Device Package	Accuracy	Number of Channels [custom]	Operating Temperature [Max]	Operating Temperature [Min]	Current - Supply (Max) [Max]	Sensing Range
Allegro MicroSystems CTD425-50AC	Board(s)	-50 A	50 A	40 mV/g	Board(s)	Current Sensor	Analog	5.5 V	4.75 V	CT425
Allegro MicroSystems CT425-HSN850MR				40 mV/g		Magnetoresistive		5.5 V	4.75 V		20 A 50 A	0.1 %	Bidirectional	300 ns	AC DC	1 MHz	DC	Ratiometric Voltage	Surface Mount	0.154 in	8-SOIC	3.9 mm	8-SOIC	0.5 %	1	125 °C	-40 C	9 mA
Allegro MicroSystems CTD425-30DC	Board(s)			133.3 mV/A	Board(s)	Current Sensor	Analog	5.5 V	4.75 V	CT425																			30 A
Allegro MicroSystems CT425-HSN830MR				66.7 mV/A		Magnetoresistive		5.5 V	4.75 V		20 A 30 A	0.1 %	Bidirectional	300 ns	AC DC	1 MHz	DC	Ratiometric Voltage	Surface Mount	0.154 in	8-SOIC	3.9 mm	8-SOIC	0.5 %	1	125 °C	-40 C	9 mA
Allegro MicroSystems CT425-HSN865DR				61.5 mV/A		Magnetoresistive		5.5 V	4.75 V		20 A 65 A	0.2 %	Unidirectional	300 ns	AC DC	1 MHz	DC	Ratiometric Voltage	Surface Mount	0.154 in	8-SOIC	3.9 mm	8-SOIC	0.7 %	1	125 °C	-40 C	9 mA
Allegro MicroSystems CT425-HSN820MR				100 mV/g		Magnetoresistive		5.5 V	4.75 V		20 A	0.1 %	Bidirectional	300 ns	AC DC	1 MHz	DC	Ratiometric Voltage	Surface Mount	0.154 in	8-SOIC	3.9 mm	8-SOIC	0.5 %	1	125 °C	-40 C	9 mA
Allegro MicroSystems CT425-HSN850DR				80 LSB/°/s		Magnetoresistive		5.5 V	4.75 V		20 A 50 A	0.2 %	Unidirectional	300 ns	AC DC	1 MHz	DC	Ratiometric Voltage	Surface Mount	0.154 in	8-SOIC	3.9 mm	8-SOIC	0.7 %	1	125 °C	-40 C	9 mA
Allegro MicroSystems CT425-HSN865MR				30.8 mV/A		Magnetoresistive		5.5 V	4.75 V		20 A 65 A	0.2 %	Bidirectional	300 ns	AC DC	1 MHz	DC	Ratiometric Voltage	Surface Mount	0.154 in	8-SOIC	3.9 mm	8-SOIC	0.5 %	1	125 °C	-40 C	9 mA
Allegro MicroSystems CTD425-30AC	Board(s)			66.7 mV/A	Board(s)	Current Sensor	Analog	5.5 V	4.75 V	CT425																			30 A
Allegro MicroSystems CT425-HSN830DR				133.3 mV/A		Magnetoresistive		5.5 V	4.75 V		20 A 30 A	0.1 %	Unidirectional	300 ns	AC DC	1 MHz	DC	Ratiometric Voltage	Surface Mount	0.154 in	8-SOIC	3.9 mm	8-SOIC	0.7 %	1	125 °C	-40 C	9 mA

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	1990	$ 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	$ 2.27
		1000	$ 1.80
		2000	$ 1.79

Description

General part information

CT425 Series

Current Sensor 20A 1 Channel Magnetoresistive Bidirectional 8-SOIC (0.154", 3.90mm Width)

CT425-HSN865MR

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CT425-HSN865MR

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Technical Specifications

CT425 Series

Pricing

Description

CT425 Series

Documents

XtremeSense™ TMR technology

Heat Pumps Brochure

Thermal Resistance IC Sensor

Datasheet