Bourns · Electronic Components
MF-R030
FUSE PTC RESETTABLE .3A HOLD
Part NumberMF-R030
ManufacturerBourns
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-523-2121 (NSN)
Federal Item NameFUSE,ENCLOSED LINK
Overall Length7.4 MILLIMETERS NOMINAL
Overall Width5.1 MILLIMETERS NOMINAL
Overall Height21.0 MILLIMETERS NOMINAL
Body StyleRECTANGULAR PLUG-IN
Special FeaturesNAME ASSIGNED BY MANUFACTURER PTC RESETTABLE FUSE
Maximum Voltage Rating In Volts60.0 AC
Continuous Current Rating In Amps40.000
Interruption Indicator MethodNO VISUAL INDICATION
Circuit Over Current InterruptionNORMAL INSTANTANEOUS
Federal Supply Class5920 — Fuses, Arrestors, Absorbers, And Protectors
ESD/EMICode A — ESD/EMI sensitive item
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 MF-R030 available?
We can source MF-R030 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 MF-R030 by Bourns obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MF-R030 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 MF-R030?
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 MF-R030?
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.