● 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
Home / Catalog / Littelfuse / V661DA40
Littelfuse  · Electronic Components

V661DA40

VARISTOR INDUST 660V 900J DA

Part NumberV661DA40
ManufacturerLittelfuse
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameRESISTOR,VOLTAGE SENSITIVE
MaterialOXIDE ELEMENT
Terminal TypeSCREW LOCATION NOT OTHERWISE SPECIFIED
Overall Length62.0 MILLIMETERS NOMINAL
Overall Width15.0 MILLIMETERS NOMINAL
Overall Height67.0 MILLIMETERS NOMINAL
Features ProvidedROHS DIRECTIVE COMPLIANCE
Terminal Quantity2
Functional DescriptionDESIGNED TO PROVIDE SURGE PROTECTION FOR MOTOR CONTROLS AND POWER SUPPLIES.
Resistance Temp Rating85.0 CELSIUS MAXIMUM
Federal Supply Class5905 — Resistor
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 V661DA40 available?
We can source V661DA40 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 V661DA40 by Littelfuse obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If V661DA40 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 V661DA40?
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 V661DA40?
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.