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(C) 2001 SM0OFV

GL-4D21/4-125A

Type:Tetrode
f:120 MHz
Class:C
Max power output:CW: 500 W, AM: 380 W (both max input)
Drive power:CW: 2.5 W, AM: 3.3 W
Heater voltage:5 V
Heater current:6.5 A
Plate voltage:3000 V
Plate current:225 mA
Plate dissipation:125 W
Screen voltage:400 V
Manufactured:1947-19xx
Other:Requires some amount of forced air cooling
Extras: