The C1149/1 is a pentode designed for pulse modulation service. It is a C1149 with improved mechanical characteristics. It is interchangable with the 4PR60B. This example was made by English Electric.

Length = 5.75" Diameter = 2.75"
Max voltage = 20 kv pulse
Max current = 18 amp pulse
Fil voltage = 26
Fil current = 2.15 amps         GOTO INDEX