● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
STMicroelectronics  · Electronic Components

STM811S

Reset Circuit, 1.2V-5.5V Supply, 2.93V Threshold, 20µs Delay, Active-High/Low, Push-Pull, SOT-143-4

Part NumberSTM811S
ManufacturerSTMicroelectronics
LifecycleStocked
AvailabilityAvailable to order — request a quote

Specifications

Automotive Qualification Standard-
Ic MountingSurface Mount
Reset Threshold Voltage Min-
RohscompliantYES
Hazardousfalse
RohsphthalatescompliantYES
Product Range-
IscanonicalY
Msl-
Reset Threshold Voltage Nom2.93V
Operating Temperature Max85 °C
SvhcNo SVHC (25-Jun-2025)
Digital Ic CaseSOT-143
Supply Voltage Max5.5 V
Review your list (0) →
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

Frequently asked

Is STM811S available?
We can source STM811S 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 STM811S by STMicroelectronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If STM811S 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 STM811S?
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 STM811S?
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.