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FMMT558 — sot23-3 package (representative)
sot23-3
Representative of package type
Diodes Incorporated

FMMT558

Bipolar Transistor · SOT-23 · Discrete Semiconductor
Part Status: Active
Manufacturer
Diodes Incorporated
Mfr Part #
FMMT558
Series
FMMT
Category
Bipolar Transistor
Datasheet
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Availability & Pricing
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Product Attributes

Electrical & Parametric
Vceo-400 V
Ic-300 mA
Hfe100 min
Physical & Thermal
Package / CaseSOT-23
Mounting TypeSurface Mount
SeriesFMMT
Operating Temperature-55°C ~ 150°C
Classification & Lifecycle
CategoryBipolar Transistor
TypeDiscrete Semiconductor
Part StatusActive

PNP high-voltage transistor, VCEO=-400V, Ic=-0.3A

Environmental & Export Classifications

RoHS Status
RoHS Compliant
REACH Status
Moisture Sensitivity (MSL)
ECCN
HTSUS

Part Activity

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Engineering FAQ

answers from this part's real data
What are the key specifications of FMMT558?
Vceo: -400 V; Ic: -300 mA; Hfe: 100 min.
What package is FMMT558 supplied in?
FMMT558 is supplied in the SOT-23 package, surface mount, rated -55°C ~ 150°C.
Can ZDI source FMMT558 beyond the quantities shown?
Yes — ZD Integrated Circuits specializes in sourcing hard-to-find, obsolete, and excess electronic components through its global network, with counterfeit-avoidance inspection on every lot. Submit an RFQ with your target quantity for availability and pricing.

Documents & Media

Quality & Counterfeit Avoidance

ISO 9001 ERAI Member ESD Certified GIDEP Participant ZDI EQuality Process CAGE Code 1V8K2

ZD Integrated Circuits operates an ISO 9001-certified quality system incorporating JEDEC-standard process-control elements. In an era of global sourcing and internet procurement, standards compliance alone no longer assures component authenticity — so ZDI pioneered a multi-layered counterfeit-avoidance program: supplier analysis at the source-country level, detailed component analysis, defined inspection standards for all incoming devices, and stringent supplier rating and review. These programs let ZDI guarantee the integrity and the source of every component it ships.

Every lot moves through ZDI's EQuality Process™ — validation, QI-1 and QI-2/camera inspection, RoHS verification, bake and bag-and-tag, and QI-3 final inspection — with Quality-Manager disposition before release. Nonconforming material is quarantined; conforming material is warehoused or shipped.

Multi-stage EQuality Process™ inspection (QI-1 · QI-2/camera · QI-3)
Source-country supplier analysis, rating & review
Incoming inspection, RoHS verification, bake, full lot traceability
ESD-controlled handling · authentic parts guaranteed

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