Found 3 alternatives for 2SC5536A-TL-H by onsemi. Transistors Bipolar Bjt Rf — SC-81.
TRANS NPN VHF-UHF 70A 10V SSFP
RF TRANS NPN 10V 7GHZ 3SSFP
RF TRANS NPN 10V 8GHZ 3SSFP