High Precision UV-Index Photodiode - SG01M-E18 (ERYCA_custom)

  • High Precision UV-Index Photodiode
  • High Precision UV-Index Photodiode
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• 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: Date Sheet File
Quantity:
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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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