Surf pi VS geotech baracuda

[Qiaozhi]

thanks qiazohi and yes i am building the rev A. Someone please tell me a subsitute for 2n5485

An NTE451 is supposed to be the closest equivalent.
A J113 should also work in this circuit, but the pinout is reversed compared to the 2n5485.

[kt315]

reversed? can you put your datasheets for looking?

tia

[surfdetector]

An NTE451 is supposed to be the closest equivalent.
A J113 should also work in this circuit, but the pinout is reversed compared to the 2n5485.

I used the J113 as you suggested with success.
The pinout between the two is the same at least on my ON Semiconductor samples.

[Qiaozhi]

reversed? can you put your datasheets for looking?

tia

Attached.

[kt315]

mine ones

[K tech]

so is it reversed or is it pin compatible? I am confused

[surfdetector]

so is it reversed or is it pin compatible? I am confused

So much for relying on my memory, Source & Drain are Interchangeable on the J113

https://www.mouser.com/datasheet/2/3..._D-1811481.pdf

[Qiaozhi]

so is it reversed or is it pin compatible? I am confused

It is always a good idea to test transistors before soldering them to the PCB. TO-92 packages are particularly inconsistent in their pinouts. You might think that all manufacturers would use the same pinout for the same device, but you would be wrong. I have personally seen 3 different pinouts depending on whether they were manufactured in Europe, Japan, or the USA.

[kt315]

So much for relying on my memory, Source & Drain are Interchangeable on the J113

https://www.mouser.com/datasheet/2/3..._D-1811481.pdf

in original Bara one is set reversed but pcb works.

[K tech]

Okay thanks. I have ordered pcb , lt1054( were cheap on ebay compared locally I paid 6$ for 10) ,ne5534 and 79l05 and I will get the rest of the parts locally when the pcb arrives