High Precision UV-Index Photodiode - SG01M-E18 (ERYCA_custom)
• UV-Erythem (UVI)
• 0.20 mm2 detector area
• TO18 hermetically sealed metal housing, 1 isolated pin and 1 case pin
• for UV index measurement acc. to CIE087 with very small error <+/- 3%
• 1 UVI (2.5 µW/cm2) results approx. 500 pA
• SiC chip with PTB reported high radiation hardness
- Model Number: SG01M-E18 (ERYCA_custom)
- Data Sheet:
- Quantity:
- - +
Product Specification
SG01M-E18 (ERYCA_custom)
high precision UV-Index photodiode
1. SG01M-E18 High Precision UV-Index Photodiode General Features
Properties of the SG01M-E18 (ERYCA_custom) photodiode
• DIN5050/ CIE087 UV-Index measurement with very small error <+-3%
• TO18 hermetically sealed housing, 1 UVI (2,5 µW/cm2) ≈ 500 pA
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 (fig. 1, black curve and fig. 2, formula 1). 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 maximised at 297nm (UVB) and then strongly decreases
towards UVA radiation. Literature: A. F. McKinlay and B. L. Diffey, “A reference action spectrum for ultraviolet induced erythema in human skin” CIE Journal, 6-1, 17-22 (1987)
About the sglux ERYCA sensors
The ERYCA is designed for accurate measurement of the UV-Index. ERYCA’s error is <3% only which is sufficiently small for scientific and high performance commercial applications. The ERYCA is available as:
ERYCA_custom (SG01M-E18) photodiode, 0,5nA/UVI (0,20mm2 SiC detector chip)
ERYCA_advanced (SG01L-E5) cosine corrected photodiode, 2nA/UVI (1,0mm2 SiC chip)
ERYCA_science (SG01XL-E5) cosine corrected photodiode, 8nA/UVI (4,0mm2 SiC chip)
TOCON_ERYCA pre-amplified cosine corrected hermetically sealed low noise sensor with 5-15V power supply and approx. 100mV/UVI voltage output (SiC detector chip)
2. SG01M-E18 High Precision UV-Index Photodiode Specifications
|
Parameter |
Symbol |
Value |
Unit |
|
Maximum Ratings |
|
|
|
|
Operating Temperature Range |
Topt |
-55 ... +170 |
°C |
|
Storage Temperature Range |
Tstor |
-55 ... +170 |
°C |
|
Soldering Temperature (3s) |
Tsold |
260 |
°C |
|
Reverse voltage |
VRmax |
20 |
V |
|
|
|
|
|
|
General Characteristics (T=25°C) |
|
|
|
|
Active Area |
A |
0.20 |
mm2 |
|
Dark current (1V reverse bias) |
Id |
1 |
fA |
|
Capacitance |
C |
75 |
pF |
|
Short circuit (1 UVI) |
I0 |
500 |
pA |
|
Temperature coefficient |
Tc |
<-0.1 |
%/K |
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