Is the Burstbucker 3 the hottest Burstbucker?

Yes — of the original three Burstbuckers, the 3 has the most output and usually lives in the bridge.

What is the Burstbucker 3 best for?

Bridge rock and blues-rock lead, where you want vintage PAF character with extra drive.

It's wound hotter for more output and midrange push.

Humbucker · Alnico II magnet

A medium-hot PAF humbucker with Alnico II magnets, voiced for the bridge position where a little extra output is needed.

The hottest of the Burstbucker line, slightly overwound for extra push and sustain while retaining PAF clarity and an open, vintage top.

Classic rock, hard rock lead, blues-rock.

Flying V, Explorer, Historic reissues

Choose the 498T for hard-rock and higher-output drive; choose the Burstbucker 3 for vintage PAF tone with a touch of extra heat.

Is the Burstbucker 3 the hottest Burstbucker?: Yes — of the original three Burstbuckers, the 3 has the most output and usually lives in the bridge.
What is the Burstbucker 3 best for?: Bridge rock and blues-rock lead, where you want vintage PAF character with extra drive.
How does it differ from the Burstbucker 2?: It's wound hotter for more output and midrange push.