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2 parts compared · 14 differing specs across 14 total parameters.

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Specification differences for MJE13007, MJE13007A / MJE13007AH
Parameter
Supply voltage-The whole point of the suffix: more sustaining and blocking headroom at the same current class.
Memory & Peripherals-Where 400V-class parts failed repeatedly on mains transients, the grade is the repair - not another brand at the same nominal ratings.
CaseTO-220 (13009 also TO-3P)TO-220
Compatibility Level-100% Drop-in (Zero Code Change)
Component CategoryHigh-Voltage Switching Transistors (SMPS)-
Core & Architecture-The suffix grades raise the dielectric: VCEO 450V and VCBO toward 800-850V where the base part carries 400V/700V - the honest choice for 220-240VAC input stages and ballast transients.
Firmware Notes-Grading up in voltage is free at the circuit level; fitting the base grade into a socket that ate two predecessors is how the third failure gets scheduled.
Hardware Notes-Same TO-220 body and pin order.
Lead Time Advantage-Shenzhen Spot Stock (24-48h Dispatch)
Market RealityThe MJE13005/13007/13009 ladder is the high-voltage NPN switch line of ATX supplies, chargers, adapters and ballast circuits: 400V sustaining, 700V blocking, and 4A / 8A / 12A of collector current in the same TO-220 body - the 13007 being the half-bridge classic that every ATX repair bench has burned and replaced. Part of the repair culture treats them as MOSFETs because of where they sit; the drive reality is bipolar, through a base network that dies with them. The rating sheet hides one more misread: 400V and 700V are simultaneous numbers (VCEO and VCBO), not two competing parts.-
Reference Part-MJE13007
Role In CircuitOriginal Reference Part-
Sourcing Advantage-Stocked; order by suffix, not by family.
Sourcing StatusActive Shenzhen Spot Sourcing (24–48h)-

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