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closed loop current sensor CHIPSENSE CM3A 500 H00 featuring excellent linearity and low offset drift

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closed loop current sensor CHIPSENSE CM3A 500 H00 featuring excellent linearity and low offset drift

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Model Number :	CM3A 500 H00

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closed loop current sensor CHIPSENSE CM3A 500 H00 featuring excellent linearity and low offset drift

Product Overview

The CM3A H00 SERIES is a closed-loop (compensated) Hall Effect current sensor designed for the electronic measurement of DC, AC, and pulsed currents. It provides galvanic separation between primary and secondary circuits, featuring very good linearity, high accuracy, and low offset drift over temperature. The sensor is housed in an insulating plastic case recognized according to UL 94-V0 and offers no insertion loss.

Product Attributes

Brand: CHIPSENSE
Model Number: CM3A 500 H00
Certifications: UL 94-V0, IEC 60664-1:2020, IEC 61800-5-1:2022, IEC 62109-1:2010
Material: Insulating plastic case

Technical Specifications

Parameter	Symbol	Unit	Min	Typ	Max	Comment
Absolute Maximum Ratings (not operating)
Supply voltage	VC	V			± 25.2
Primary conductor temperature	TB				100
ESD rating, Human Body Model (HBM)	VESD	kV		4
Environmental and mechanical characteristics
Ambient operating temperature	TA		-40		85
Ambient storage temperature	TS		-40		90
Mass	m	g			285
Insulation coordination
Rms voltage for AC insulation test @ 50Hz,1min	Vd	kV		3.8		According to IEC 60664-1
Impulse withstand voltage 1.2/50µs	VW	kV		12.5		According to IEC 60664-1
Clearance (pri.- sec.)	dCI	mm		14.5
Creepage distance (pri.- sec.)	dCp	mm		15.3
Plastic case					UL94-V0
Comparative tracking index	CTI	PLC		3
Application example (Reinforced insulation)				690V		According to IEC61800-5-1, IEC 62109-1CATⅱⅱ, PD2
Application example (Basic insulation)				1250V		According to IEC 61800-5-1, IEC 62109-1CATⅱⅱ, PD2
Electrical data
Primary nominal rms current	IPN	A	-500		500
Primary current, measuring range	IPM	A	-800		800
Measuring resistance	RM	Ω	0		165	@±15V, 25℃, ±500A; @±24V, 25℃, ±500A
Measuring resistance	RM	Ω	0		149	@±15V, 85℃, ±500A; @±24V, 85℃, ±500A
Measuring resistance	RM	Ω	0		82	@±15V, 25℃, ±800A; @±24V, 25℃, ±800A
Measuring resistance	RM	Ω	0		65	@±15V, 85℃, ±800A; @±24V, 85℃, ±800A
Secondary nominal rms current	ISN	mA	-100		100
Secondary coil resistance	RS	Ω		54	70	@ 25℃; @ 85℃
Secondary current, measuring range	IS	mA	-160		160
Number of secondary turns	NS	-		5000
Theoretical sensitivity	Gth	mA/A		0.2
Supply voltage	VC	V	±15	±24		@ ±5%
Current consumption	IC	mA		24 + IS
Zero offset current	IO	mA	-0.4		0.4
Thermal drift of offset current	IOT	mA	-0.4		0.4	@ -40℃~85℃
Residual current@IP=0 after 3×IPN	IOM	mA	-0.2		0.2
Sensitivity error	ʻG	%	-0.4		0.4	Exclusive of IOE
Linearity error 0…IPN	ʻL	% of IPN	-0.1		0.1	Exclusive of IOE
Accuracy@ IPN		% of IPN	-0.5		0.5	Exclusive of IOE
Response time@ 90% of IPN	tr	µs			1
Frequency bandwidth(-1dB)	BW	kHz		100

2506121200_CHIPSENSE-CM3A-500-H00_C49164846.pdf

closed loop current sensor CHIPSENSE CM3A 500 H00 featuring excellent linearity and low offset drift

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