STMicroelectronics · Electronic Components
KF33BD
IC, V REG, LDO 3.3V, SMD
Part NumberKF33BD
ManufacturerSTMicroelectronics
LifecycleStocked
AvailabilityAvailable to order — request a quote
Specifications
Input Voltage Min5.3 V
PolarityPositive Output
Msl-
No Of Outputs1 Outputs
SvhcNo SVHC (25-Jun-2025)
Ic MountingSurface Mount
ProducttraceabilityNo
Product Range3.3V 1A LDO Voltage Regulators
Operating Temperature Min-40 °C
Operating Temperature Max125 °C
Dropout Voltage Vdo400 mV
No Of Pins3 Pins
Hazardousfalse
Adjustable Output Voltage Min-
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is KF33BD available?
We can source KF33BD even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is KF33BD by STMicroelectronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If KF33BD has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like KF33BD?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for KF33BD?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.