IRA-E940 Murata Manufacturing, IRA-E940 Datasheet - Page 8

• Manufacturer Part Number: IRA-E940
• Description: (IRA-Exxx) Pyroelectric Infrared Sensors
• Manufacturer: Murata Manufacturing

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Please read CAUTION and Notice in this catalog for safety. This catalog has only typical specifications. Therefore you are requested
to approve our product specification or to transact the approval sheet for product specification, before your ordering.
! Spectral Response of Window Materials
! Frequency Characteristics
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Pyroelectric Infrared Sensor IRA Series Characteristics Data
10
1
1.0
100
80
60
20
40
0
Chopping Frequency (Hz)
4000
2.5
3500
3.0
4.3 m Band-Pass Filter
10
3000
2500
4.0
5 m Long-Pass Filter
2000
5.0
Wave number (cm
Wave length ( m)
1800
6.0
-1
)
1600
1400
7.0
7 m Long-Pass Filter
1200
8.0
Silicon Filter
1000
10.0
12.0
800
S21E3.pdf 03.2.17