Datasheet

THERMOPILE
OTP-538U
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2.6 Optical Characteristics
Table 7: Optical characteristics
Parameter Min Typ Max Unit Conditions
Field of view 66 degree At 50% target signal
Figure 3: Field of view curve
2.7 Filter Characteristics
Table 8: Filter parameters
Parameter Min Typ Max Unit Conditions
Cut on wavelength 4.7 5.0 5.3
μm
At 25℃,
50% transmittance
0
10
20
30
40
50
60
70
80
90
100
234567891011121314151617
Wavelength (um)
Transmittance (%)
Figure 4: Typical spectral transmittance curve