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BD9139MUV-E2 — qfn16 package (representative)
qfn16
Representative of package type
ROHM

BD9139MUV-E2

Synchronous Buck Converter · VQFN020V4040 · Power Management
Part Status: Active
Manufacturer
ROHM
Mfr Part #
BD9139MUV-E2
Series
BD9139
Category
Synchronous Buck Converter
Datasheet
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Availability & Pricing
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Product Attributes

Electrical & Parametric
Output Current4A
Switching Freq1MHz
Physical & Thermal
Package / CaseVQFN020V4040
Mounting TypeSurface Mount
SeriesBD9139
Operating Temperature-20°C ~ 85°C
Classification & Lifecycle
CategorySynchronous Buck Converter
TypePower Management
Part StatusActive

4A, 1MHz synchronous step-down DC-DC converter, 2.7-5.5V Vin

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 BD9139MUV-E2?
Output Current: 4A; Switching Freq: 1MHz.
What package is BD9139MUV-E2 supplied in?
BD9139MUV-E2 is supplied in the VQFN020V4040 package, surface mount, rated -20°C ~ 85°C.
Can ZDI source BD9139MUV-E2 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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