BF543 Silicon Channel Triode
BF544 TRANSISTOR | MOSFET | N-CHANNEL | 20V V(BR)DSS | 30MA I(D) | TO-92
BF545B N-channel silicon junction field-effect transistors
BF547 wideband transistor
BF5472 From datasheet system
BF547T/R TRANSISTOR | BJT | NPN | 20V V(BR)CEO | SOT-23
BF547W wideband transistor
BF547W2 From datasheet system
BF547WT/R TRANSISTOR | BJT | NPN | 20V V(BR)CEO | 50MA I(C) | TO-236VAR