LINLAI 300B 2.5V tube, Directly heated cathode medium-power triode (1 Pair)

Directly heated cathode medium-power triode, designed for Class A1 amplification
Suitable for applications requiring an output power of 10W
2.5V filament voltage, effectively reduces AC filament noise during DIY amplifier construction
Features black rubber tube base, mildew-shaped screen plate and gold-plated grid wire technology
 
Filament Specifications
Filament Voltage (Uf): 2.5V
Filament Current (If): 2.4A

Static Electrical Parameters
Anode Voltage (Ua): 300V
Grid Bias Voltage (-Ug): 60V
Anode Current (Ia): 60mA
Transconductance (Gm): 5.5mA/V
Internal Plate Resistance (ri): 0.7kΩ
Amplification Factor (μ): 3.85
Output Power (pout): 6.6W

Absolute Maximum Ratings
Maximum Anode Voltage: 480V
Maximum Anode Power Dissipation: 40W

Cathode Current
Self-bias operation: 100mA
Fixed-bias operation: 70mA

Interelectrode Capacitances
Input Capacitance: 9pF
Output Capacitance: 4.3pF
Grid-Plate Capacitance: 15pF















For delivery time:
Please contact us for checking the delivery time before placing your order.

Generally, we will dispatch the items within 7 days upon order confirmation; some items may need 20~25 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.