NOTES: Price = 1 pair (2 pieces)
Features: It is an eggplant-shaped or dome-shaped glass shell, four white-plated ceramic bases with gold-plated pins, a direct-heating oxide cathode, a mesh plate, and a graphite plate transistor.
Uses: Used for audio amplifier, output power reaches 1.6W.
Standard working conditions and parameters:
Heating voltage * ……………………………………………………………… 2.5V
Heating current ……………………………………………………………… 1.5A
Plate voltage …………………………………………………………………… 250V
Gate voltage ** ………………………………………………………… -50V
Plate current ……………………………………………………………… 34mA
Magnification ... ……………………………………………………………… 3.5
Transconductance ……………………………………………………………… 3.9mA / 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 ...... ………………………………………………………… 275V
Maximum plate power consumption …………………………………… 10W
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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