Micrel · Electronic Components
MIC811SUY
Supervisor, 1 V to 5.5 Vsupp., 2.93 V threshold/240 ms delay, Active-Low, SOT-143-4
Part NumberMIC811SUY
ManufacturerMicrel
LifecycleStocked
AvailabilityAvailable to order — request a quote
Specifications
Automotive Qualification Standard-
Ic MountingSurface Mount
Reset Threshold Voltage Min-
RohscompliantYES
Hazardousfalse
RohsphthalatescompliantYES
Reset Threshold Voltage Max-
Product Range-
IscanonicalY
MslMSL 1 - Unlimited
Reset Threshold Voltage Nom2.93V
Operating Temperature Max85 °C
SvhcNo SVHC (04-Feb-2026)
Digital Ic CaseSOT-143
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 MIC811SUY available?
We can source MIC811SUY 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 MIC811SUY by Micrel obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MIC811SUY 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 MIC811SUY?
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 MIC811SUY?
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.