WE275

Heater

Uf………………2.5V
If…………… 2.5A


Static Parameter 
Ua……………………250V
-Ug………………… 60V
Ia……………………53mA
Gm……………………2.8 mA/V
ri……………………1 KΩ
u ……………………2.8
Pout…………………3.1W


Maximum Rating
Ua……………300V
Pa………17W 

Ik
with cathode bias………………80 mA
with fixed bias……………70 mA

Direct Interelectrode Capacitances
Grid to plate ……………12PF
Grid to filament ……………6.8PF
Plate to filament……………3.2PF