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CR293

Diameter: 28mm, side-on type, photocathode material is bialkali (Effective photosensitive area: 24mm×8mm, Spectral response range: 185-650nm)

Specifications

Model

CR293

Type No.	CR293-01	CR293-02
Spectral response range (nm)	185-650	185-650
Peak wavelength (nm)	340	340
Minimum effective diameter of cathode (mm)	24mmx8mm	24mmx8mm
Photocathode material	Bialkali	Bialkali
Glass shell material	UV-transmitting glass	UV-transmitting glass
Dynode structure/Stages	Circular-cage/9	Circular-cage/9
Cathode luminous sensitivity Min. (μA/lm)	40	40
Cathode luminous sensitivity Typ. (μA/lm)	60	60
Cathode blue sensitivity index Min.	--	--
Cathode blue sensitivity index Typ.	6.4	6.4
R/W×10³ Min.	--	--
R/W×10³ Typ.	--	--
Anode luminous sensitivity Min. (A/lm)(1000V)	1000	400
Anode luminous sensitivity Typ. (A/lm)(1000V)	1500	800
Dark current ^1） Typ. (nA)(1000V)	0.3	0.15
Dark current ^1） Max. (nA)(1000V)	2	2
Typical gain	2.5x10⁷	1.3x10⁷
Anode to cathode voltage Max. (VDC)	1250	1250
Rise time Typ. (ns)	2.2	2.2
Operating ambient temperature (℃)	-30～+50	-30～+50

Note: 1) Dark current is the test value after 30 minutes protected from light;

Shock: 100g(11ms)；Sinusoidal vibration: 10g;

Model name suffix -C is magnetic shielding product.