Linear Technology · Electronic Components
LT3991EMSE#TRPBF
Regulator, Voltage
Part NumberLT3991EMSE#TRPBF
ManufacturerLinear Technology
AvailabilityAvailable to order — request a quote
Specifications
NSN5963-01-697-7635 (NSN)
Federal Item NameREGULATOR,VOLTAGE
Federal Supply Class5963 — Electronic Modules
Mounting MethodPIN(S)
Overall Width3.00 MILLIMETERS NOMINAL
Overall Length4.90 MILLIMETERS NOMINAL
Overall Height1.10 MILLIMETERS NOMINAL
Output Voltage Rating In Volts1.9 MINIMUM AND 3.0 MAXIMUM
Input Voltage Rating In Volts4.3 MINIMUM AND 55.0 MAXIMUM
Enclosure FeatureCLOSED FRAME
Operating Temp Range-40.0 TO 125.0 CELSIUS
Electronic Device TypeTRANSISTOR
Circuit TypePARALLEL
Regulation MethodELECTRONIC
ESD/EMICode C — 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 LT3991EMSE#TRPBF available?
We can source LT3991EMSE#TRPBF 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 LT3991EMSE#TRPBF by Linear Technology obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LT3991EMSE#TRPBF 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 LT3991EMSE#TRPBF?
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 LT3991EMSE#TRPBF?
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.