NOTES: Price = 1 pair (2 pieces)
Features: It is an eggplant-shaped glass shell, white ceramic base with four gold-plated pins, a direct-heating oxide cathode, a grid plate, and a graphite plate transistor.
Uses: Used for audio voltage amplifier, output power is 4.5W.
Standard working conditions and parameters:
Heating voltage * …………………………………………………… 4V
Heating current …………………………………………………………
Plate voltage …………………………………………………… 300V
Gate voltage ** …………………………………………………… -45V
Plate current ………………………………………………………… 50mA
Magnification ... ………………………………………………………… 5.0
Transconductance …………………………………………………………………… 6.0mA / 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 ………………………………………… 300V
Maximum plate power consumption ……………………………… 15W
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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