Datasheet > R955

R955

更新时间： 2024-09-26 22:24:31

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描述
PHOTOMULTlPLlER TUBES

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R955 数据手册

PHOTOMULTlPLlER TUBES

R928, R955

Extended Red, High Sensitivity, Multialkali Photocathode

28mm (1-1/8 Inch) Diameter, 9-Stage, Side-On

FEATURES

Wide Spectral Response

R928 ........................................................ 185 to 900 nm

R955 ........................................................ 160 to 900 nm

High Cathode Sensitivity

Luminous ......................................................250 A/lm

Radiant at 400nm ............................................. 74mA/W

High Anode Sensitivity (at 1000V)

Luminous ........................................................2500A/lm

Radiant at 400nm ..................................... 7.4 10⁵A/W

Low Drift and Hysteresis

The R928 and R955 feature extremely high quantum efficiency,

high current amplification, good S/N ratio and wide spectral re-

sponse fromUV to near infrared. The R928 employs a UV glass

envelope and the R955 has a fused silica envelope for UV sen-

sitivity extension.

The R928 and R955 are well suited for use in broad-band spec-

trophotometers, atomic absorption spectrophotometers, emis-

sion spectrophotometers and other precision photometric in-

struments.

GENERAL

Figure 1: Typical Spectral Response

Parameter

Description/Value Unit

TPMSB0001EB

100

Spectral Response

CATHODE

RADIANT

SENSITIVITY

R955

R928

R955

185 to 900

160 to 900

Wavelength of Maximum Response

400

R928

Photocathode

MateriaI

Multialkali

QUANTUM EFFICIENCY

Minimum Effective Area

Window Material

R928

UV glass

R955

Fused silica

Dynode

Multialkali

Circular-cage

Secondary Emitting Surface

Structure

Number of Stages

0.1

Direct Interelectrode Capacitances

Anode to Last Dynode

Anode to All Other Electrodes

Approx. 4

Approx. 6

0.01

11-pin base

Base

100 200 300 400 500 600 700 800 900 1000

JEDEC No. B11-88

WAVELENGTH (nm)

Weight

Approx. 45

E678–11A (option)

E717–21 (option)

SuitabIe Socket

SuitabIe Socket Assembly

Subject to local technical requirements and regulations, availability of products included in this promotional material may vary. Please consult with our sales office.

lnformation furnished by HAMAMATSU is believed to be reliabIe. However, no responsibility is assumed for possibIe inaccuracies or ommissions. Specifications are

subject to change without notice. No patent right are granted to any of the circuits described herein.

1997 Hamamatsu Photonics K.K.

12 3 4

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