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About Item: The PY83 is an efficiency diode for use in television line scan circuits. The peak inverse anode voltage is 5,600 Volts and peak current is 500 mA. The PIV suggests that in sine wave rectification the input voltage would be over 1,000 Volts.

The anode is stitched together and formed from two plates, the side wings aid heat dissipation. Note the large gap between cathode tube and anode.

Brand: Tungsram

Tube type: Damper, booster, flyback diode

Identical to PY83 = 17Z3A

Similar Tubes

Different maximum ratings: PY81

The thin glass tube envelope is 21 mm in diameter and, excluding the B9A base pins, is 74 mm tall.

Weight ~ 20 g


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1. Europe - Economy International Shipping - no tracking number.
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2. Worldwide - Standard International Shipping - with tracking number included in the cost of shipping.
3. Any order above $ 60 US - with tracking number included in the cost of shipping.

The delivery time varies from 7 to 45 working days (9 weeks) to most of the countries.

Detailed info you can find in the table below.

Delivery time
% of shipments that arrive in the said delivery time
Country working days (without holidays and weekends)
<15 15-24 25-34 35-45 >45
<3 weeks 5 weeks 7 weeks 9 weeks >9 weeks
Canada, United States 5 % 85 % 7 % 3 % 0 %
Africa, South America 5 % 20 % 55 % 20 % 0 %
Japan, South Korea 10 % 85 % 5 % 0 % 0 %
Taiwan, Thailand 5 % 45 % 45 % 5 % 0 %
China, India 5 % 40 % 50 % 5 % 0 %
Indonesia, New Zealand 5 % 40 % 50 % 5 % 0 %
Israel 5 % 65 % 30 % 0 % 0 %
Australia 5 % 55 % 35 % 5 % 0 %
Russia 5 % 50 % 40 % 5 % 0 %
Europe 60 % 35 % 5 % 0 % 0 %
Others, not entered shall, countries 5 % 20 % 55 % 20 % 0 %
Items are generally shipped out within 24 (rarely 48) hours after payment has been confirmed (Holidays, Sat. & Sun. excluded). The delivery time depends on the destination, holidays, customs clearance factor and other factors.
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