R3809U-52

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Product Specification Sheet: R3809U-52

Category	Specification
Product Code / Model Number	R3809U-52
Product Name	Photomultiplier Tube (PMT) Module with TEC Cooling
Description	A high-performance, thermoelectrically cooled PMT module designed for ultra-low-light detection applications requiring maximum signal-to-noise ratio and stability. Ideal for spectroscopy and photon counting.
Key Features	– Integrated Thermoelectric Cooler (TEC) – Built-in high-voltage power supply (0-1200V) – Very low dark current – Temperature-stabilized photocathode – Analog and TTL output options
Spectral Response Range	300 nm – 650 nm
Peak Wavelength (λp)	400 nm
Cathode Luminous Sensitivity	85 μA/lm (Typ.)
Anode Luminous Sensitivity	60 A/lm (Typ.)
Dark Current	0.5 nA (Max. at rated voltage, with cooling)
Gain	1 x 10⁷
Cooling	Thermoelectric Cooler (TEC), ΔT = -30°C
Output Signal	Analog: 0-5V, Digital: TTL
Operating Voltage	+15 VDC ±10%
Operating Temperature	-10°C to +40°C
Dimensions	50 mm (D) x 90 mm (L)
Output Connector	BNC (Analog), SMA (TTL)
Certification	RoHS Compliant, CE
Country of Origin	Japan