2SA673AB-E, PNP transistor, 0.5A collector current, 50V VCEO, Bulk package, Active lifecycle, ROHS3 compliant.
| Parameter | Value |
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| Package | Bulk |
The 2SA673AB-E is a general-purpose PNP transistor rated for 0.5A collector current and 50V VCEO. When a board comes across the bench with a blown PNP in the driver or switching stage, this is the part number that often matches the scorch mark — the 0.5A and 50V ratings cover a lot of medium-current loads like relay drivers, solenoid kickers, and small-signal audio output stages.
Designers need a substitute if the part is unavailable or for alternative sourcing.
Buyers need to locate a distributor to purchase the part.
Inventory status determines if the part can be sourced immediately.
Techs and engineers need pin assignments for circuit integration.
Pricing affects BOM cost decisions and sourcing choices.
Lifecycle status directly impacts long-term availability and design risk.