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KF50BD — SOIC-8 package (representative)
SOIC-8
Representative of package type
STMicroelectronics

KF50BD

LDO Regulator · SO-8 · Power Management
Part Status: Obsolete
Data last refreshed Jun 18, 2026
Manufacturer
STMicroelectronics
Mfr Part #
KF50BD
Series
KF50
Category
LDO Regulator
Datasheet
View datasheet ↗
Availability & Pricing
ZDI Price$1.60
Last transacted2008-03-20
Market range$1.60 – $2.25
Sourcing channels12
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Product Attributes

Electrical & Parametric
Output Voltage5.0 V
Output Current0.5 A
Dropout Voltage0.4 V typ
Physical & Thermal
Package / CaseSO-8
Mounting TypeSurface Mount
SeriesKF50
Operating Temperature-40°C ~ 125°C
Classification & Lifecycle
CategoryLDO Regulator
TypePower Management
Part StatusObsolete

5.0 V very low drop positive voltage regulator, 0.5 A

Environmental & Export Classifications

RoHS Status
RoHS Compliant

Availability & Sourcing

12 sources
SourceMfrQtyDate CodeConditionStatus
Market ST MICROELECTRO 26169 — — Available RFQ
Market STM 10000 NEW — Available RFQ
Market ST MICRO 6808 — — Available RFQ
Market STMICROELECTRON 2500 — — Available RFQ
Market ST MICROELECTRO 2467 — — Available RFQ
Market ST MICROELECTRO 2400 — — Available RFQ
Market ST 5000 25+ — Available RFQ
Market ST 3275 22+ — Available RFQ
Market ST 30000 22+ — Available RFQ
Market STMICROELECTRON 20000 2021 — Available RFQ
Market STMicroelectron 18057 — — Available RFQ
Market STMicroelectron 50 200544 — Available RFQ

ZDI Stock — in our warehouse · Market — offers available through our sourcing network · Live — recent offers from our sourcing network.

Price History & Market Reference

Market Price Range

High$2.25
Low$1.60
Last$1.60
Price as of2008-03-20

ZDI Transaction

Last ZDI price$1.60
As of2008-03-20
Active offers12

Pricing reflects ZDI's transaction and market-reference data. Firm pricing confirmed per RFQ against current availability.

Part Activity

recent searches, RFQs & offers
KF50BD viewed on the web · Web User
KF50BD viewed on the web · Web User
KF50BD viewed on the web · Web User
KF50BD viewed on the web · Web User
KF50BD viewed on the web · Web User
KF50BD viewed on the web · Web User
KF50BD searched via the web · Web User
KF50BD searched via the web · Web User

Recent search and sourcing activity for KF50BD.

Engineering FAQ

KF50BD is marked Obsolete — how does ZDI assure authenticity?
Obsolete and end-of-life parts carry elevated counterfeit risk, which is exactly why ZDI routes every lot through the full EQuality Process™ — validation, QI-1 and QI-2/camera inspection, RoHS verification, bake and bag-and-tag, and QI-3 final inspection — with source-country supplier vetting and full lot traceability before release.
What are the key specifications of KF50BD?
Output Voltage: 5.0 V; Output Current: 0.5 A; Dropout Voltage: 0.4 V typ.
What package is KF50BD supplied in?
KF50BD is supplied in the SO-8 package, surface mount, rated -40°C ~ 125°C.
Can ZDI source KF50BD 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

KF50BD is marked Obsolete. Obsolete and end-of-life parts carry elevated counterfeit risk — exactly why ZDI routes them through the full EQuality Process™ with source-country supplier vetting, inspection, and traceability.

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