Essential details
Quantity(pieces):2
MOQ:10 pairs
Lead time:30~45 days after receipt of deposit and confirmed artwork all the details.
Shipping:Ocean freight
Product Introduction
Brand New TJ FULLMUSIC VACUUM TUBE
Item No.: 300B/n, Mesh plate, DOME or GLOBE type
Replace other 300B tubes directly (5v)
The price is for 1 Matched pair (2PCS, factory matched&test)
Mesh plate,ceramic base,gold plated brass pins
Nominal operating conditions and parameters
Filament voltage* ..................................................................... 2.5V
Nominal filament current ............................................................ 1.5A
Plate voltage ........................................................................... 250V
Grid voltage** ........................................................................ ...-50V
Plate current ........................................................................... 34mA
Amplification factor ..................................................................... 3.5
Load resistance ........................................................................ 3900 ohms
Grid Current ..............................................................................0.05 u A
Limiting Operation Conditions for Safe Nor simultaneous ratings
Maximum plate voltage ............................................................ 275 volts
Maximum plate current ............................................................ 10 watts
Product details
