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Help CenterTOCON_E2 SiC Based UV-Index Photodetector With Integrated Amplifier
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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
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 | %/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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