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CR332

Diameter: 25mm, head-on type, photocathode material is bialkali ( Effective photosensitive surface diameter: 22mm, Spectral response range: 300-650nm)

Specifications
Model
CR332
Type No.

CR332/CR332-A

CR332-01

Spectral response range (nm)

300-650

300-650

Peak wavelength (nm)420420
Minimum effective diameter of cathode (mm)

22

22
Photocathode materialBialkaliBialkali
Glass shell materialBorosilicate glassBorosilicate glass
Dynode structure/Stages

Circular and Linear-focused/10

Circular and Linear-focused/10

Cathode luminous sensitivity Min. (μA/lm)6060
Cathode luminous sensitivity Typ. (μA/lm)9090
Cathode blue sensitivity index Min.10.5--
Cathode blue sensitivity index Typ.11.510.5

R/W×103 Min.

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R/W×103 Typ.

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Anode luminous sensitivity  Min. (A/lm)(1000V)20040
Anode luminous sensitivity  Typ. (A/lm)(1000V)250180
Dark current1) Typ. (nA)(1000V)23
Dark current1) Max. (nA)(1000V)520
Typical gain

2.8×106

2×106
Anode to cathode voltage Max. (VDC)12501250
Rise time Typ. (ns)1.51.5
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: 20g;

          Model name suffix -C is magnetic shielding product.