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onsemi 1N6287A — Circuit Protection

1N6287A onsemi Mosorb™ Zener TVS – Obsolete, 1500W, DO-201AD

MPN1N6287A
Obsolete

onsemi Mosorb™ Zener, 1N6287A, 1500W peak pulse power, 44.7V breakdown, 64.8V clamping, 40.2V standoff, DO-201AD axial, through-hole, -65°C to 175°C

onsemi 1N6287A datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

1N6287A specifications
ParameterValue
TypeZener
SeriesMosorb™
MountingThrough Hole
Voltage - breakdown44.7V
Voltage - clamping (Max) @ ipp64.8V
Voltage - reverse standoff40.2V
Power - peak pulse1500W (1.5kW)
Power line protectionNo
Operating temperature-65°C~175°C(TJ)
PackageBulk
ApplicationsGeneral Purpose
CaseDO-201AD, Axial
Unidirectional channels1

Product details

The 1N6287A: For BOM positions that require this exact MPN, sourcing runs through independent distribution.

44.7V breakdown, 64.8V clamp — a 40V rail protector

The reverse standoff voltage is 40.2 V, breakdown minimum is 44.7 V, and clamping at peak pulse current is 64.8 V. The axial package (through-hole) supports board-level replacement and rework without special profile equipment.

Peak pulse power and clamping margin

The 1500 W peak pulse rating defines the surge energy the diode can absorb. The 64.8 V clamp sets the voltage seen by downstream circuitry during an event. No power line protection feature is listed — this is a general-purpose transient suppressor, not a dedicated rail comb clamp.

Frequently asked questions

How can I order 1N6287A or check stock?

1N6287A is obsolete — onsemi no longer manufactures it. Sourcing runs through independent distribution; we can source and quote it to order against your BOM quantity. Confirm availability and current pricing at quote time.