Ramtron · Electronic Components
FM25040B-G
F-RAM, NON-VOL, 4KBIT, 20MHZ, SOIC-8
Part NumberFM25040B-G
ManufacturerRamtron
AvailabilityAvailable to order — request a quote
Specifications
Ic MountingSurface Mount
RohscompliantYES
Memory Case StyleSOIC
Hazardousfalse
RohsphthalatescompliantYES
Memory Density4 Kbit
Clock Frequency Max20 MHz
Product Range-
IscanonicalY
MslMSL 3 - 168 hours
Operating Temperature Max85 °C
SvhcNo SVHC (25-Jun-2025)
Supply Voltage Max5.5 V
Memory Organisation512 x 8bit
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 FM25040B-G available?
We can source FM25040B-G 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 FM25040B-G by Ramtron obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If FM25040B-G 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 FM25040B-G?
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 FM25040B-G?
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.