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#WE845,PSVANE TUBES,WE-Series.

#WE845,PSVANE TUBES,WE-Series.

Place of Origin : China
Brand Name : PSVANE
Certification : ROHS
Model Number : WE845
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WE845 is direct-heated type thorium tungsten cathode triode, class A1 and AB1
Heater
Uf-------------10 V
If---------------3.25 A
Maximum Rating
Ua------------------------1250 V
Pa-------------------------75 W
Pout(max.sig)------------150 W
Ia(max)--------------------120 mA;
Direct Interelectrode Capacitances
input-------------------------6 PF
output-----------------------4.5 PF
grid to plate----------------14.5 PF
Static parameter
Ua-----------------------------1250 V
—Ug---------------------------200 V
Ia-------------------------------80 mA
Gm-----------------------------3 mA/V
ri--------------------------------1.7 KΩ
u--------------------------------5
RL------------------------------3.4 KΩ
Ug(pk)--------------------------69 V
Pout-----------------------------15 W
Recommended Operating Conditions(reference value
class A1 .single tube:
Ua-----1000 1000 1250 V
—Ug--- 145 155 209 V
RL-----6 9 16 KΩ
Ia------90 65 52 mA
Gm-----3.1 — — mA/V
Ug(pk)--— 110 148 V
ri------1.7 1.9 2.1 KΩ
Pout----24 21 24 W
Push-pull.class AB1:
Ua------------------ 800 1000 1000 1250 V
—Ug---------------- 125 170 175 225 V
RL------------------ 4.5 4.6 4.6 6.6 KΩ
Ia--------------------80 70 40 40 mA
Ug(pk)----------------177 240 — — V
Ia(mAx.sig)---------170 230 230 240 mA
Pout----------------40 75 75 115 W


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