Lot of 1pc. Huge  Fey-19M
I have for sale nice rare Rare photomultiplier tube  Fey-19M for Scintillator Geiger counter New Boxed! Has original Box
New,  boxed,
Will be packed well and shipped by air mail - with tracking number

Working temperature range: -60...+50 ºC (-76...+122 ºF)
Sensitivity range: 350...600 nm

Working sensitive window size 34mm
Supply voltage: 780- 1520V
Maximum average anode current: 50 uA
Integral sensitivity (at least): 30 uA/lm, usually 50...70 uA/lm.
Each tube has an individual datasheet with most of its parameters measured for this particular tube and written there.
Size including base and pins (Length x Diameter): 20 x 4 cm= 4.5 x 1.2 inch


Please take a look at photos - if you need some more pc. or have any questions -please send me a message.