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Products / Light Analysis /Photodetectors /Photomultiplier Tubes (PMTs) /Photomultiplier Tube Head-On (Tube Only) / STN4021-2 /

Photomultipliers Tube Head-On (Tube Only), Diameter 2", Cathode Effective Diameter Min. 46mm, Spectral Response Range 290-650nm, Quantum Efficiency Peak Wavelength Typ. 380nm, Cathode Luminous Sensitivity Min. 60μA/lm, Cathode Blue Sensitivity Min. 9μA/lmf, Anode Sensitivity Typ. 1250A/lm, Gain Typ. 1.6×10^7, Rise Time Min. 7ns

MODEL:STN4021-2

6-8 weeks Drawings

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* The prices are indicative only. Please contact us for an official quote. This is single product page, for detail specification please refer to product main page

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STN4031 Photomultipliers Tube Head-On (Tube Only), Diameter 3", Spectral Response Range 290-650nm, Peak Wavelength of Radiant Sensitivity Typ. 420nm, Cathode Blue Sensitivity Typ.11.5μA/lmf, Anode Sensitivity Typ. 30A/lm, Gain Typ. 2.73×10^5 Rise Time Typ. 6ns	6-8 weeks	Request for quote
STN4022 Photomultipliers Tube Head-On (Tube Only), Diameter 2", Spectral Response Range 290-650nm, Peak Wavelength of Radiant Sensitivity Typ. 420nm, Cathode Blue Sensitivity Typ.10μA/lmf, Anode Sensitivity Typ. 30A/lm, Gain Typ. 2.73×10^5 Rise Time Typ. 6ns	6-8 weeks	Request for quote
STN4021-3 Photomultipliers Tube Head-On (Tube Only), Diameter 2", Cathode Effective Diameter Min. 46mm, Spectral Response Range 290-650nm, Quantum Efficiency Peak Wavelength Typ. 380nm, Cathode Luminous Sensitivity Min. 60μA/lm, Cathode Blue Sensitivity Min. 7μA/lmf, Anode Sensitivity Typ. 400A/lm, Gain Typ. 1.6×10^6, Rise Time Min. 7ns	6-8 weeks	Request for quote
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STN2031 Photomultipliers Tube Head-On (Tube Only), Diameter 3", Spectral Response Range 290-650nm, Quantum Efficiency@410nm Typ.28%, Quantum Efficiency@450nm Typ. 24%, Gain Typ. 1×10^7, Rise Time 1.9ns	6-8 weeks	Request for quote
STN2021 Photomultipliers Tube Head-On (Tube Only), Diameter 2.5", Cathode Effective Diameter Min. 58mm, Spectral Response Range 290-650nm, Quantum Efficiency 18%, Cathode Luminous Sensitivity Typ. 70μA/lm, Cathode Blue Sensitivity Typ. 9μA/lmf, Anode Sensitivity Typ. 35A/lm, Gain Typ. 5×10^5, Rise Time 1.8ns	6-8 weeks	Request for quote
STN2018 Photomultipliers Tube Head-On (Tube Only), Diameter 1", Cathode Effective Diameter Min. 22mm, Spectral Response Range 290-650nm, Quantum Efficiency Peak Wavelength Typ. 380nm, Quantum Efficiency 12%, Cathode Luminous Sensitivity @25℃ Typ. 40μA/lm, Cathode Blue Sensitivity @25℃ Typ. 6μA/lm, Anode luminous sensitivity@25℃ Typ. 20A/lm, Gain@25℃ Typ. 5×10^5, Rise Time 1.5ns	6-8 weeks	Request for quote
STN2017 Photomultipliers Tube Head-On (Tube Only), Diameter 1", Cathode Effective Diameter Min. 22mm, Spectral Response Range 290-650nm, Quantum Efficiency Peak Wavelength Typ. 380nm, Cathode Luminous Sensitivity Typ. 60μA/lm, Cathode Blue Sensitivity Typ. 10μA/lm, Gain Typ. 7×10^6, Rise Time 1.4ns	6-8 weeks	Request for quote
STN2016 Photomultipliers Tube Head-On (Tube Only), Diameter 1", Cathode Effective Diameter Min. 25mm, Spectral Response Range 290-650nm, Quantum Efficiency Peak Wavelength Typ. 380nm, Cathode Luminous Sensitivity Typ. 80μA/lm, Cathode Blue Sensitivity Typ. 11μA/lm, Anode Sensitivity Typ. 200A/lmf, Gain Typ. 4×10^6, Rise Time 1.9ns	6-8 weeks	Request for quote
STN2014-3 Photomultipliers Tube Head-On (Tube Only), Diameter 1", Cathode Effective Diameter Min. 22mm, Spectral Response Range 290-650nm, Quantum Efficiency Peak Wavelength Typ. 380nm, Cathode Luminous Sensitivity Typ. 60μA/lm, Cathode Blue Sensitivity Typ. 9μA/lm, Anode Blue Sensitivity Typ. 30A/lm, Gain Typ. 7×10^6, Anode Dark Current @1100V Max. 20nA, Rise Time 1.2ns	6-8 weeks	Request for quote
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STN2014-1 Photomultipliers Tube Head-On (Tube Only), Diameter 1", Cathode Effective Diameter Min. 22mm, Spectral Response Range 290-650nm, Quantum Efficiency Peak Wavelength Typ. 380nm, Cathode Luminous Sensitivity Typ. 60μA/lm, Cathode Blue Sensitivity Typ. 9μA/lm, Anode Blue Sensitivity Typ. 30A/lm, Gain Typ. 7×10^6, Anode Dark Current @1000V Typ. 3nA, Dark Count Rate Max. 100Hz, Rise Time 1.2ns	6-8 weeks	Request for quote
STN2013-3 Photomultipliers Tube Head-On (Tube Only), Diameter 1 1/8", Cathode Effective Diameter Min. 25mm, Spectral Response Rang 290-650nm, Quantum Efficiency Peak Wavelength Typ. 380nm, Cathode Luminous Sensitivity Typ. 80μA/lm, Cathode Blue Sensitivity Typ. 11μA/lmf, Anode Blue Sensitivity Typ. 30A/lmf, Gain Typ. 7×10^6, Dark Count Rate Max. 1000Hz, Rise Time Typ. 1.9ns	6-8 weeks	Request for quote
STN2013-2 Photomultipliers Tube Head-On (Tube Only), Diameter 1 1/8", Cathode Effective Diameter Min. 25mm, Spectral Response Rang 290-650nm, Quantum Efficiency Peak Wavelength Typ. 380nm, Cathode Luminous Sensitivity Typ. 80μA/lm, Cathode Blue Sensitivity Typ. 11μA/lmf, Anode Blue Sensitivity Typ. 30A/lmf, Gain Typ. 7×10^6, Dark Count Rate Max. 300Hz, Rise Time Typ. 1.9ns	6-8 weeks	Request for quote
STN2013-1 Photomultipliers Tube Head-On (Tube Only), Diameter 1 1/8", Cathode Effective Diameter Min. 25mm, Spectral Response Rang 290-650nm, Quantum Efficiency Peak Wavelength Typ. 380nm, Cathode Luminous Sensitivity Typ. 80μA/lm, Cathode Blue Sensitivity Typ. 11μA/lmf, Anode Blue Sensitivity Typ. 30A/lmf, Gain Typ. 7×10^6, Dark Count Rate Max. 140Hz, Rise Time Typ. 1.9ns	6-8 weeks	Request for quote
STN2002 Photomultipliers Tube Head-On (Tube Only), Diameter 0.5", Cathode Effective Diameter 10mm, Spectral Response Range 290-650 nm, Quantum Efficiency Peak Wavelength 380nm, Cathode Luminous Sensitivity Typ. 100μA/lm, Cathode Blue Sensitivity Typ. 8 μA/lmf, Anode Sensitivity Typ 100 A/lm, Gain 6×10^6, Anode Dark Current Typ. 1nA, Rise Time 2.1ns	6-8 weeks	Request for quote

Compatible

Compare	Model		Drawings & Specs	Availability	Reference Price

Photomultipliers Tube (Tube Only) – STN4021

This STN4021(including STN4021-1,STN4021-2,STN4021-3) is a head-on side photomultiplier tube with 2" diameter and 10 stages.

Feature

• High gain

• High collection efficiency

Application

• Scintillation counting

• Radiation measurement

Product Specifications

Parameter			Description
Type			Head-on Type
Diameter			2"
Window Material			Borosilicate Glass
Photocathode Material			Bialkali
Dynode Structure			Box-and-Grid Focused
Stage			10
STN4021			Min.	Typ.	Max.	Unit.
Cathode Parameters	Cathode Effective Diameter		46	/	/	mm
	Spectral Response Range		290-650			nm
	Quantum Efficiency Peak Wavelength		/	380	/	nm
	Luminous Sensitivity		60	/	/	μA/lm
	Blue Sensitivity	N4021-1	10.5	/	/	μA/lmf
		N4021-2	9	/	/
		N4021-3	7	/	/
Anode Parameters	Anode Sensitivity	N4021-1	1500	2000	/	A/lm
		N4021-2	1000	1250	/
		N4021-3	100	400	/
	Supply Voltage		/	1250	1500	V
	Gain	N4021-1	/	2.5×10⁷	/	/
		N4021-2	/	1.6×10⁷	/	/
		N4021-3	/	1.6×10⁶	/	/
	Anode Dark Current	N4021-1	/	/	30	nA
		N4021-2	/	/	50
		N4021-3	/	/	100
Time Response	Rise Time		7	/	/	ns
Operating Ambient Temperature			-30~+50			℃
Storage Temperature			-50~+50			℃