RTD120 RENESAS | Alldatasheet
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Technical content
Features
▪ A single-channel silicon-based thermopile detector in a TO-5 package ▪ Four pin, 9.22mm TO-5 package ▪ Active area size is 1.2 × 1.2 mm ▪ Delivers a time constant of 25ms with Nitrogen encapsulation gas ▪ Very low Temperature Coefficient of Responsivity of -0.04%/°C ▪ Very short thermal shock response to ambient temperature change ▪ Internal 5% NTC chip thermistor provides ambient package temperature measurement ▪ Internal aperture precisely defines active area for applications with FOV and/or spot size requirements Benefits ▪ Low cost with high sensitivity and high output RTD120 Silicon-Based Thermopile Detector 120
R36DS0012EU0100 Rev.1.00 Page 2 Aug 31, 2021 RTD120 Datasheet 1. Specifications Specifications apply at 23C with KBr Window and Nitrogen encapsulating gas. Symbol Parameter Min Typ. Max. Unit Comments[1] 1. General specifications: Flat spectral response from 100nm to > 100µm. Linear signal output from 10-6 to 0.1W/cm2. Maximum incident radiance 0.1W/cm2, damage threshold ≥ .5W/cm2. AA Active Area size 1.2 × 1.2 mm Hot junction size, per element. A Element Area 1.44 mm2 Number of Junctions 80 Per element. Number of Channels 1 Per detector package. Vs Output Voltage 150 190 230 µV DC, H = 330µW/cm2 [2] 2. Test conditions: 500K Blackbody source; Detector active surface 10cm from 0.6513cm diameter Blackbody Aperture. SNR Signal-to-Noise Ratio 3,459 4,953 6,359 √Hz DC, SNR = Vs/Vn R Responsivity 31.6 37.9 48.4 V/W DC, R = Vs/HA [3] 3. A is detector area in mm2. R Resistance 80 90 115 kΩ Detector element Temperature Coefficient of R -0.04 %/°C Best linear fit, 0° to 85°C [4] 4. Parameter is not 100% tested. 90% of all units meet these specifications. Temperature Coefficient of R 0.02 %/°C Best fit, 0° to 85°C [4] Vn Noise Voltage 36.2 38.4 43.4 nV/√Hz Vn 2 = 4kTR NEP Noise Equivalent Power 0.75 1.04 1.37 nW/√Hz DC, NEP = Vn HA/Vs [3] D* Detectivity 0.87 1.15 1.61 108cm√Hz/Ω DC, D* = Vs/ Vn H√A [3] T Time Constant 25 ms Chopped, -3dB point [4] FOV Field of View 61°/97° Degrees For FOV description, see Package Outline Drawings Package Type TO-5 Standard package hole size: 0.060” × 0.060” Ta Operating Temperature -50 +125 °C CO2 Filter, Central Wave Length 4.260 µm
Figure 1. Package Outline Drawings – Top View
Figure 2. Package Outline Drawings – Side View 1.00 Aug 31, 2021 Initial release.
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