S11865-64

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2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

Parameter Table: S11865-64 Photomultiplier Tube Module

The following table lists the key specifications for the Hamamatsu S11865-64 PMT module. This model is characterized by its very compact size and fast time response.

Parameter Category	Parameter	Symbol	Min.	Typ.	Max.	Unit	Conditions
General	Model Number	—		S11865-64		—	12-stage, head-on type
	Product Type	—		PMT Module		—	Integrated HV power supply
Optical Characteristics	Spectral Response Range	λ	300		650	nm	—
	Peak Wavelength	λₚ		420		nm	—
	Photosensitive Area	—		Ø 3		mm	Very small area cathode
	Cathode Radiant Sensitivity	—		65		mA/W	@ λₚ (420 nm)
	Anode Luminous Sensitivity	Sₐ	30			A/lm	Vᵣ = 1000 V, T_a = 25°C
	Cathode Luminous Sensitivity	Sₖ	70	80		μA/lm	Vᵣ = 1000 V, T_a = 25°C
	Dark Current	I_d		0.1	1	nA	Sₐ = 100 A/lm, Vᵣ = 1000 V
Electrical Characteristics	Supply Voltage	Vᵣ	700	1000	1250	V DC	—
	Supply Current	Iᵣ		40		μA	Vᵣ = 1000 V, No light
	Output Voltage	V_out			5	V	—
	Output Current	I_out			100	μA	—
	Gain	G	1.0 x 10⁶			—	Vᵣ = 1000 V
	Rise Time	t_r		1.8		ns	Very fast response
	Fall Time	t_f		2.2		ns
	TTS (Transit Time Spread)	σ		1.2		ns
Mechanical Characteristics	Window Material	—		Borosilicate Glass		—	—
	Housing Material	—		Metal		—	Electromagnetic shielding
	Connector	—		BNC		—	Output signal
	Power Supply	—		Cable (Red/Black)		—	—
	Dimensions (W x H x L)	—		26 x 26 x 42		mm	Most compact in the series
	Weight	—		~30		g	Lightest in the series
Environmental	Operating Temperature	T_op	-30		50	°C	—
	Storage Temperature	T_stg	-40		70	°C	—