H14121-50

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Product Specifications: H14121-50

Category	Parameter	Specification / Description
General Model Information	Product Code	H14121-50
	Product Type	Compact PMT Module with Built-in High Voltage Power Supply (HVPS)
	Manufacturer	Hamamatsu Photonics K.K.
	Key Feature	This model belongs to the H14121 series, which is distinct from the H14119. The “-50” suffix indicates a specific performance or custom grade within this series.
Photocathode	Material	Dependent on H14121 base model (e.g., Bialkali, Multi-alkali)
	Window Material	Borosilicate Glass or possibly UV glass (e.g., for H14121-11)
	Effective Area	Defined by the H14121 series (e.g., 10mm x 10mm, 13mm diam., etc.)
	Spectral Response Range	Defined by the H14121 base model and photocathode
	Peak Wavelength	Defined by the H14121 base model and photocathode
Dynode System	Structure	Defined by the H14121 base model (e.g., 10-stage)
Performance	Cathode Luminous Sensitivity	Defined by the H14121 base model and “-50” grade
	Anode Luminous Sensitivity	Defined by the H14121 base model and “-50” grade
	Gain	Typically > 10^6 (at specified control voltage)
	Dark Current (max. at rated voltage)	Unique specification for the H14121 series, -50 grade.
	Anode Rise Time	Defined by the H14121 base model
	Output Signal	Analog current output
Power Supply	Input Operating Voltage	+12 V DC (±10%) or +5 V DC (Must be confirmed for this series)
	Current Consumption	Dependent on input voltage and internal design
	HV Output Range	Adjustable via control voltage (e.g., 0 V to +1 V)
	HV Adjustment	Linear control via external voltage (0 V = min HV, +1 V = max HV)
Operating Conditions	Operating Temperature	0 °C to +50 °C
	Storage Temperature	-20 °C to +60 °C
	Warm-up Time	< 10 minutes to specified stability
Mechanical & Interface	Weight	Varies with PMT size and housing
	Magnetic Shielding	Integrated mu-metal shield
	Signal Output Connector	BNC
	Power/Control Connector	4-pin or 5-pin locking connector (Pinout may be series-specific)