STMicroelectronics · Electronic Components
LF33ABDTTR
Fixed LDO Voltage Regulator, 3V to 16V, 400mV Dropout, 3.3Vout, 0.5Aout, TO-252-3 RoHS Compliant: Yes
Part NumberLF33ABDTTR
ManufacturerSTMicroelectronics
AvailabilityAvailable to order — request a quote
Specifications
Input Voltage Min3 V
PolarityPositive Output
MslMSL 1 - Unlimited
No Of Outputs1 Outputs
SvhcNo SVHC (25-Jun-2025)
Ic MountingSurface Mount
ProducttraceabilityYes-Date/Lot Code
Product Range3.3V 0.5A 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 LF33ABDTTR available?
We can source LF33ABDTTR 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 LF33ABDTTR by STMicroelectronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LF33ABDTTR 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 LF33ABDTTR?
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 LF33ABDTTR?
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.