Photomultipliers

Image	Product	Diameter	Spectral Response	Nominal Gain	Temperature Range	Description

	9235B Series	51 mm	blue bialkali	25 x 10⁶	-30 to +60 °C	Variant of 9266B, high gain, replaces 9635B. Length: 140 mm
	9250B Series	51 mm	blue bialkali	6 x 10⁵	-30 to +60 °C	Variant of 9266B, higher sensitivity, low dark count, replaces 9750B. Length: 112 mm
	9256B Series	51 mm	green bialkali	5 x 10⁵	-30 to +60 °C	Variant of 9266B, enhanced green sensitivity, low dark current. Length: 100 mm
	9807B Series	51 mm	blue bialkali	7 x 10⁶	-30 to +60 °C	Variant of 9829B, plano-concave window, replaces 8575 type. Length: 126 mm
	9813B Series	51 mm	blue bialkali	7 x 10⁷	-30 to +60 °C	Variant of 9814B, 14 dynodes for higher gain capability. Length: 153 mm
	9814B Series	51 mm	blue bialkali	7 x 10⁶	-30 to +60 °C	12 stage fast linear focused type with good linearity. Length: 133 mm
	9815B Series	51 mm	blue bialkali	7 x 10⁵	-30 to +60 °C	Variant of 9814B, 10 dynodes for higher light levels. Length: 133 mm
	9829B Series	51 mm	blue bialkali	6 x 10⁶	-30 to +60 °C	For low light levels, thin low background glass window. Length: 126 mm
	9893/350B Series	51 mm	blue bialkali	8 x 10⁷	-30 to +60 °C	Variant of 9813B, small effective diameter, low dark count, low afterpulses. Length: 170 mm
	9939B Series	51 mm	green bialkali	5 x 10⁶	-30 to +60 °C	Lower cost version of 9954B. Good SER, green response and linearity. Length: 133 mm
	9954B Series	51 mm	green bialkali	5 x 10⁶	-30 to +60 °C	Variant of 9814B, enhanced green sensitivity, low dark current. Length: 133 mm
	7216B Series	51 mm	blue bialkali	1 x 10⁶	-30 to +60 °C	High QE variant of 9216B, 10 stage, high performance type. Length: 80 mm
	7266B Series	51 mm	blue bialkali	4 x 10⁵	-30 to +60 °C	High QE variant of 9266B, 10 stage, high performance type. Length: 100 mm
	9205B Series	51 mm	blue bialkali	3 x 10⁶	-30 to +60 °C	10 stage plug-in replacement for 11 stage 6097B. Length: 112 mm
	9215B Series	51 mm	blue bialkali	1 x 10⁵	-30 to +60 °C	Variant of 9266B, short length and 8 dynodes for higher light levels. Length: 96 mm
	9956B Series	51 mm	green bialkali	6 x 10⁵	-30 to +60 °C	Superseded by 9256B but still available for replacement requirements. Length: 100 mm
	9201B Series	51 mm	red/infra-red trialkali	1 x 10⁶	-80 to +60 °C	Variant of 9266B. Length: 100 mm
	9202B Series	51 mm	red/infra-red trialkali	8 x 10⁵	-80 to +60 °C	Fast, pin compatible version of 9558B, high gain and good linearity. Length: 140 mm
	9558B Series	51 mm	red/infra-red trialkali	1 x 10⁶	-80 to +60 °C	Established high gain venetian blind type, superseded by 9202B. Length: 140 mm
	9658B Series	51 mm	red/infra-red trialkali	8 x 10⁵	-80 to +60 °C	Variant of 9558B, prismatic window giving enhanced red and IR sensitivity. Length: 140 mm