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MOS sensor Amphenol MICS-6814 designed for detecting multiple gases including CO NO2 and ethanol vapors

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MOS sensor Amphenol MICS-6814 designed for detecting multiple gases including CO NO2 and ethanol vapors

Measurement Range : -

Voltage - Supply : 4.9V~5.1V

Operating Temperature : -30℃~+85℃

Interface : -

Description : SMD-10P Gas Sensor RoHS

Mfr. Part # : MICS-6814

Model Number : MICS-6814

Package : SMD-10P

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Product Overview

The MiCS-6814 is a compact MOS sensor featuring three independent sensing elements within a single package. Designed with a robust MEMS structure, it is ideal for detecting pollution from automobile exhausts and for agricultural and industrial odor monitoring. Its small footprint (5 x 7 x 1.55 mm) makes it suitable for compact designs, while its high-volume manufacturing ensures cost-effectiveness for large-scale applications. The sensor offers short lead times and is built for harsh environments.

Product Attributes

Brand: SGX Sensortech
Origin: Switzerland
Technology: MEMS
Sensor Type: MOS
Package Compatibility: SMD assembly process

Technical Specifications

Characteristic	Symbol	Typ	Min	Max	Unit	Notes
Detectable Gases & Ranges
Carbon monoxide (CO)			1	1000	ppm
Nitrogen dioxide (NO2)			0.05	10	ppm
Ethanol (C2H5OH)			10	500	ppm
Hydrogen (H2)			1	1000	ppm
Ammonia (NH3)			1	500	ppm
Methane (CH4)			>1000		ppm
Propane (C3H8)			>1000		ppm
Iso-butane (C4H10)			>1000		ppm
RED Sensor Performance
Sensing resistance in air	R0	-	100	1500	k	Note 1
Typical CO detection range	FS		1	1000	ppm
Sensitivity factor (CO)	S60	-	1.2	50	-	Note 2
OX Sensor Performance
Sensing resistance in air	R0	-	0.8	20	k	Note 1
Typical NO2 detection range	FS		0.05	10	ppm
Sensitivity factor (NO2)	SR	-	2	-	-	Note 3
NH3 Sensor Performance
Sensing resistance in air	R0	-	10	1500	k	Note 1
Typical NH3 detection range	FS		1	300	ppm
Sensitivity factor (NH3)	SR	-	1.5	15	-	Note 4
Power Circuit & Measurement Circuit
Heating power (RED/OX/NH3)	PH	76/43/66	71/30/60	81/50/73	mW
Heating voltage (RED/OX/NH3)	VH	2.4/1.7/2.2	-	-	V
Heating current (RED/OX/NH3)	IH	32/26/30	-	-	mA
Heating resistance at nominal power (RED/OX/NH3)	RH	74/66/72	66/59/64	82/73/80
Ratings
Maximum heater power dissipation	PH			88	mW
Maximum sensitive layer power dissipation	Ps			8	mW
Voltage supply	Vsupply	5.0	4.9	5.1	V
Relative humidity range	RH		5	95	%RH
Ambient operating temperature	Tamb		-30	85	C
Storage temperature range	Tsto		-40	120	C
Storage humidity range	RHsto		5	95	%RH
Dimensions
Package footprint				5 x 7 x 1.55	mm

Notes:

1. Sensing resistance in air R0 is measured under controlled ambient conditions.
2. Sensitivity factor for CO is defined as Rs in air divided by Rs at 60 ppm CO.
3. Sensitivity factor for NO2 is defined as Rs at 0.25 ppm NO2, divided by Rs in air.
4. Sensitivity factor for NH3 is defined as Rs in air divided by Rs at 1 ppm of NH3.

2410311340_Amphenol-MICS-6814_C5117910.pdf

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