Lamp 6S31B-EP - triodes for amplifying low frequency voltage. Design - in a glass shell, subminiature. Weight 3.5 g.

1. Filament current 220 ± 22A.
2. Anode current at the beginning of the characteristic at Ua = 150 V, Uc = -15 V ≤2.
3. Reverse current of the grid ≤0.2.
4. The steepness of the characteristic is 18 + 6-5.
5. Voltage of vibration noise Ra = 2 kOhm ≤15.
6. Operating time ≥5000.
7. Slope of characteristic ≥10.5.
8. Heater voltage 6-6.6 V.
9. Voltage between cathode and heater 200 V.
10. Power dissipated by the anode 2.5.
11. Resistance in the grid chain 1.
12. Range of working ambient temperatures -60 … + 125 ° C.

All shipments are carried out from our international warehouse in Dubai (UAE), as well as from our partners’ remote warehouses.

In Stock — items available in stock at the Dubai warehouse are dispatched within 5–10 business days after receiving 100% prepayment.

Remote Stock — items available at our partners’ remote warehouses are supplied within an average of 30–45 business days after receiving 100% prepayment.

Pre-Order — made-to-order products are manufactured and delivered within an average of 45–60 business days. Payment terms: 50% advance payment to start production, with the remaining 50% paid before dispatch from the Dubai warehouse after full readiness for shipment.

Returns & Changes (Restocking Fee)
For selected items, a RESTOCKING FEE of 10% may apply in case of return, order cancellation, or changes to the order specifications. This condition applies only to certain products and is confirmed at the order approval stage.

Warranty
All products are covered by a standard 6-month warranty.
Extended warranty is available upon request and is agreed individually; it may affect the final product price.