PNP B772 Transistor replacement
I can suggest BD140 which is very popular but be careful, B772 has a maximum collector current of 3A but BD140 has 1.5A. So, depends on the usage.

May be you can go for MJE170, 171, 172 or 253.

If you're not satisfied, go to http://www.digikey.com and search for pnp transistors with TO-225 case.