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Compact Metal Oxide Gas Sensor - MiCS-5524

• Smallest footprint for compact designs (5 x 7 x 1.55 mm)
• Robust MEMS sensor for harsh environments
• High-volume manufacturing for low-cost applications
• Short lead-times
• Relative humidity range: 5 - 95%RH
• Ambient operating temperature: -30 - 85°C
• Storage temperature range: -40 - 120°C
• Storage humidity range: 5 - 95%RH

  • Model Number: MiCS-5524
  • Data Sheet: Date Sheet File
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  • Compact Metal Oxide Gas Sensor
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Product Specification

The MiCS-5524 is a compact MOS sensor.

The MiCS-5524 is a robust MEMS sensor for indoor carbon monoxide and natural gas leakage detection; suitable also for indoor air quality monitoring; breath checker and early fire detection.

MiCS-5524 Metal Oxide Gas Sensor Features
• Smallest footprint for compact designs (5 x 7 x 1.55 mm)
• Robust MEMS sensor for harsh environments
• High-volume manufacturing for low-cost applications
• Short lead-times

MiCS-5524 Metal Oxide Gas Sensor Detectable gases

Carbon monoxide
 CO
 1 - 1000ppm
Ethanol
 C2H5OH
 10 - 500ppm
Hydrogen
 H2
 1 - 1000ppm
Ammonia
 NH3 
 1 - 500ppm
Methane
 CH4
 >1000ppm

MiCS-5524 Metal Oxide Gas Sensor Performance sensor
Characteristic RED sensor
 Symbol
 Typ
 Min
 Max
 Unit
Sensing resistance in air (see note 1)
 R0
 - 100 1500 kΩ
Typical CO detection range
 FS
1 1000 ppm
Sensitivity factor (see note 2)
 S60 - 1.2 50 -
Notes:
1. Sensing resistance in air R 0 is measured under controlled ambient conditions, i.e. synthetic air at 23 ±5°C and 50 ± 10% RH. Sampling test.
2. Sensitivity factor is defined as Rs in air divided by Rs at 60 ppm CO. Test conditions are 23 ± 5°C and 50 ± 10% RH. Indicative values only. Sampling test.

Parameter
 Symbol
 Typ
 Min
 Max
 Unit
Heating power
 PH
 76 71 81 mW
Heating voltage
 VH
 2.4 - - V
Heating current
 IH
 32 - - mA
Heating resistance at nominal power
 RH
 74 66 82 Ω

Rating
 Symbol
 Value / Range
 Unit
Maximum heater power dissipation
 PH
 88 mW
Maximum sensitive layer power dissipation
 Ps
 8 mW
Voltage supply Heating current
 Vsupply
 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

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