● 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
Fairchild Optoelectronics Group  · Electronic Components

MID400S

OPTOCOUPLER LOGIC-OUT 8-SMD

Part NumberMID400S
ManufacturerFairchild Optoelectronics Group
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameMICROCIRCUIT,LINEAR
Overall Length10.30 MILLIMETERS NOMINAL
Overall Width9.91 MILLIMETERS NOMINAL
Overall Height5.08 MILLIMETERS NOMINAL
Federal Supply Class5962 — Microcircuits, Electronic
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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 MID400S available?
We can source MID400S 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 MID400S by Fairchild Optoelectronics Group obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MID400S 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 MID400S?
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 MID400S?
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.