This listing is for a superb Russian military grade New Old Stock MP39B PNP low gain Germanium audio transistor suitable for use in Bonamassa style guitar fuzz boxes or as a replacement transistor in vintage equipment (when used within 150mW dissipation, 15V max).

This transistor has a cult following within the guitarist/classic fuzzbox community, where many feel that it produces a very authentic 1960's fuzzbox sound where a low gain transistor is specified.

Manufactured for the Soviet military and with a guaranteed high specification, data sheet marked with the OTK60 approval stamp, data gives an hfe gain figure of 20 - 60, but note that we do not offer a gain selection service and transistors ordered will be sent randomly from the box. Note that the pinout is (viewed from the underside with the centre pin at the top) Emitter, Base, Collector from left to right, which means that (very unusually) the Base lead is connected to the case of the transistor!




Supplied individually.





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Tracked & Signed supplemental charge to Italy 

Also note that orders sent to Italy may take MUCH longer than eBays estimate to be delivered and, whilst some orders do arrive within a week or two, many orders sent to Italy are not delivered for three or perhaps even four weeks! This is entirely outside our control, as we ship within two working days and once your order is in the hands of Poste Italiane, there is nothing we can do to get it to you any faster. 

Please DO NOT send messages with the title "Item not received" as these open complaint cases against us and damage our seller rating! Instead please use the general "Other" heading to ask about your delivery if several weeks have passed.

Lastly, all please note that when eBay asks you "Did the item arrive on or before" their estimated delivery date, it also damages our seller rating if you answer "No", so bear in mind that we always ship within two working days, so if you answer "No" because your local postal service (especially in Italy!) has taken weeks to deliver, you are punishing us, not them!

Thank you all for your kind consideration of the above and remember that we will always do our very best to sort out any problems or questions you may have related to your order if you contact us using the "Contact Seller" and (if the choice is given) "Other" ask a question of seller options.
Manufactured for the Soviet military and with a guaranteed high specification, data sheet marked with the OTK60 approval stamp, data gives an hfe gain figure of 20 - 60, but note that we do not offer a gain selection service and transistors ordered will be sent randomly from the box. Note that the pinout is (viewed from the underside with the centre pin at the top) Emitter, Base, Collector from left to right, which means that (very unusually) the Base lead is connected to the case of the transistor! Also note that orders sent to Italy may take MUCH longer than eBays estimate to be delivered and, whilst some orders do arrive within a week or two, many orders sent to Italy are not delivered for three or perhaps even four weeks! This is entirely outside our control, as we ship within two work