TB04-8

Equivalents  
Military type  
Manufacturer Philips
Vf 2,0 V
If 3,65 A
Va max 450 V
Ia max 92 mA
Pa max 30 W
Pout max  
Max frequency  
Height 70 mm
Diameter 60 mm
Weight 43 g
Symbol   

Some data supplied by Frank Philipse:
At class C telegraphy:
Po 12 W  at 110 cm wavelength (272 MHz)
Po 9 W at 80 cm (375 MHz)
Po 5 W at 60 cm  (500 MHz)