northumber82
Member level 3
Hello, I'm searching for one pair of transistor to replace BC550-560C transistors in my project.
The problem:
- I want an NPN and a PNP transistor for small signal and low noise application for a power audio amplifier
- The BC550C and BC560C are perfect, but: low voltage applications (I need almost 80V)
- I tried the couple 2SC2240 and 2SA970, works pretty well in simulation, but results obsolete in the online market
- Then I tried MPSA42 and MPSA92, but the hFe is too low
Can anyone tell me a transistor pair that have:
- hFe > 200
- Vce >= +-80V
- Suitable for audio power amplifier (then low noise, etc)
- Not obsolete (most important thing)
- Possibly the same cost of BC550-560C pair
Thank you
The problem:
- I want an NPN and a PNP transistor for small signal and low noise application for a power audio amplifier
- The BC550C and BC560C are perfect, but: low voltage applications (I need almost 80V)
- I tried the couple 2SC2240 and 2SA970, works pretty well in simulation, but results obsolete in the online market
- Then I tried MPSA42 and MPSA92, but the hFe is too low
Can anyone tell me a transistor pair that have:
- hFe > 200
- Vce >= +-80V
- Suitable for audio power amplifier (then low noise, etc)
- Not obsolete (most important thing)
- Possibly the same cost of BC550-560C pair
Thank you