Features: It is a dome-shaped glass shell, white ceramic base with four gold-plated pins, direct-heated oxide cathode, mesh plate and graphite plate triode.
Uses: Used for audio amplifiers with output power up to 10W.
Standard working conditions and parameters:
Heating voltage * ……………………………………………………………… 4V or 5V
Heating current ……………………………………………………………… 2A or 1.6A
Plate voltage …………………………………………………………………… 400V
Gate voltage ** ……………………………………………………………… -30V
Plate current ……………………………………………………………… 62.5mA
Magnification …………………………………………………………………… 9.5
Transconductance …………………………………………………………………… 7.5mA / V
Gate current …………………………………………………………………… 0.05μA
* AC filament power supply or DC filament power supply
** The AC filament power grid or plate circuit is connected to the center of the filament transformer secondary, the DC filament power supply, and the power supply circuit of the grid anode is connected to the negative end of the filament.
Extreme working use value:
Maximum plate voltage ...... ………………………………………………………… 500V
Maximum plate power consumption ………………………………………… 30W
For delivery time:
Generally, we will dispatch the items within 7 days upon order confirmation; some items may need 15~21 days to get ready for delivery, then we will try our best to dispatch as soon as possible, or we will contact you and offer advice.
For Bulk order:
If you would like to place a bulk order, please contact us for better price and better delivery cost.
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