It just like screening eggs with different sizes. Stackexchange Nov27th, 2015įairchild Datasheet tells you all about BC54x family of transistorsīC546/547/548/549/550 is made from the same process (the same silicon die) but just different screening based on different parameters. The BC547 is, in general, a transistor variant that balances the minimum and maximum capacities of the BC5xx line. The gain differences are not huge when comparing the 547 & 548. Gurukrupa Electro Device - Offering BC547B CDIL BC547 Transistor, DIP, NPN at Rs 0.60/piece in Ahmedabad, Gujarat. High voltage transistors tend to have lower gain and low voltage transistors tend to have higher gain. You will be fine with BC548, BC547 or 2N3904 your application is not demanding.Īccording to semiconductor physics gain and breakdown voltage are interchangeable. There, I gave you a hands-on example! Navin Kumar Oct. I once used one BC547 and one BC548 for the basic astable multivibrator circuit and there were no problems. BC547 Datasheet, BC547 datasheets, BC547 pdf, BC547 integrated circuits : ONSEMI - Amplifier Transistors(NPN Silicon) ,alldatasheet, Datasheet, Datasheet search site for Electronic Components and Semiconductors, integrated circuits, diodes, triacs and other semiconductors. These are the most general purpose NPN silicon transistors and changing one with the other does not noticably (or otherwise) affect the circuit.

BC547 and BC548 are essentially the same but BC547 has a higher breakdown voltage whereas BC548 has low noise. Can I use a Transistor BC547 instead of BC548? Quora

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