SiC Based UV-Index Photodetector with Integrated Amplifier - TOCON_E2

  • SiC Based UV-Index Photodetector with Integrated Amplifier
  • SiC Based UV-Index Photodetector with Integrated Amplifier
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• SiC based UV-Index photodetector in TO5 housing with diffusor
• spectral response compliant to CIE087 / DIN5050
• 0 … 5 V voltage output
• peak wavelength at 280 nm
• 1 UVI results a voltage of approx. 170 mV
• Applications: UV-Index measurement with very small error <+-3%

  • Model Number: TOCON_E2
  • Data Sheet: Date Sheet File
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Product Specification

TOCON_E2
SiC based UV-Index photodetector with integrated amplifier
 
TOCON_E2 UV-Index Photodetector General Features
 
Properties of the TOCON_E2
• SiC based UV-Index photodetector in TO5 housing with diffusor
• spectral response compliant to CIE087 / DIN5050
• 0 … 5 V voltage output
• peak wavelength at 280 nm
• 1 UVI results a voltage of approx. 170 mV
• Applications: UV-Index measurement with very small error <+-3%
 
What is a TOCON?
A TOCON is a 5 Volt powered UV photodetector with integrated amplifier converting UV radiation into a 0 … 5V volt-age output. The V out pin of the TOCON can be directly connected to a controller, a voltmeter or any other data analyz-ing device with voltage input.
 
Information about the UV-Index (UVI)
The UV-Index is an international standard measurement of how strong the ultraviolet (UV) radiation from the sun is at a particular place on a particular day. It is a scale primarily used in daily forecasts aimed at the general public. The UV-Index is calculated by integrating the sun’s UV spectrum multiplied with the Erythema action curve (see spectral responsivity). That integral is divided by 25 mW/m2 to generate a convenient index value, which becomes essentially a scale of 0 to 10. The Erythema action curve is a wavelength resolved measure of the sunburn danger. It is maxi-mised at 297nm (UVB) and then strongly decreases towards UVA radiation.nput.
 
TOCON_E2 UV-Index Photodetector Specifications

Parameter Symbol Value Unit
Spectral Characteristics
Approx. Sensitivity (unit is not calibrated)  Smax 170 mV/UVI
Visible Blindness (Smax/S>405nm)  VB > 1010
General Characteristics (T=25°C, Vsupply=+5 V)
Supply Voltage  VSupply 2,5 … 5 V
Saturation Voltage  VSat VSupply - 5% V
Dark Offset Voltage  VOffset 50 µV
Temperature Coefficient at Peak  Tc < -0,3 %/K
Current Consumption  I 150 µA
Bandwidth (-3 dB)  B 15 Hz
Risetime (10-90%)  trise 0,182 s
(other risetimes on request)
Maximum Ratings
Operating Temperature  Topt -25 … +85 °C
Storage Temperature  Tstor -40 … +100 °C
Soldering Temperature (3s)  Tsold 300 °C

 

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