R2868, R2879, R2879/125C159 Selling Leads, Datasheet
MFG:HAMAMATS Package Cooled:SIP D/C:10+
R2868, R2879, R2879/125C159 Datasheet download
Part Number: R2868
MFG: HAMAMATS
Package Cooled: SIP
D/C: 10+
R2868, R2879, R2879/125C159
- Table of contents:
Info of R2868
Info of R2879
Info of R2879/125C159
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About R2868
PDF/DataSheet Download
Datasheet: R2868
File Size: 147329 KB
Manufacturer: HAMAMATSU [Hamamatsu Corporation]
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About R280A
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Datasheet: R280A
File Size: 185450 KB
Manufacturer:
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About R280A
PDF/DataSheet Download
Datasheet: R280A
File Size: 185450 KB
Manufacturer:
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R2868 General Description
Hamamatsu R2868 is a UV TRON ultraviolet detector that makes use of the photoelectric effect of metal and the gas multiplication effect. It has a narrow spectral sensitivity of 185 to 260 nm, being completely insensitive to visible light. Unlike semiconductor detectors, it does not require optical visible-cut filters, thus making it easy to use.
In spite of its small size, the R2868 has wide angular sensitivity (directivity) and can reliably and quickly detect weak ultraviolet radiations emitted from flame due to use of the metal plate cathode (eg. it can detect the flame of a cigarette lighter at a distance of more than 5 m.).
The R2868 is well suited for use in flame detectors and fire alarms, and also in detection of invisible discharge phenomena such as corona discharge of high-voltage transmission lines.
R2868 Maximum Ratings
| Parameters | Rating | Units |
| Supply Voltage | 400 | Vdc |
| Peak Current 1) | 30 | mA |
| Average Discharge Current 2) | 1 | mA |
| Operating Temperature | -20 to +60 | °C |
R2868 Typical Application
· Flame detectors for gas/oil lighters and matches
· Fire alarms
· Combustion monitors for burners
· Inspection of ultraviolet leakage
· Detection of discharge
· Ultraviolet switching
· Fire alarms
· Combustion monitors for burners
· Inspection of ultraviolet leakage
· Detection of discharge
· Ultraviolet switching
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