The BC848W,115 from Nexperia USA Inc. is an NPN bipolar (BJT) transistor rated 30 V and 100 mA, with a 100 MHz transition frequency and 200 mW power dissipation, in a surface-mount SOT-323 package.
The BC848W,135 from NXP Semiconductors is an NPN bipolar (BJT) transistor rated 30 V and 100 mA, with 100 MHz and 200 mW ratings, in a SOT-323 surface-mount package.