Power Integrations · Electronic Components
TNY278P
AC/DC CONV, FLYBACK, 28W, -40 TO 150DEGC
Part NumberTNY278P
ManufacturerPower Integrations
AvailabilityAvailable to order — request a quote
Specifications
Ic MountingThrough Hole
RohscompliantYES
Input Voltage Ac Max265 V
IsolationIsolated
Input Voltage Min85 VAC
Hazardousfalse
RohsphthalatescompliantYES
Product RangeTinySwitch-III Series
IscanonicalY
Power Switch Current Rating445 µA
Msl-
Power Rating Max28 W
Power Rating28 W
Operating Temperature Max150 °C
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 TNY278P available?
We can source TNY278P 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 TNY278P by Power Integrations obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If TNY278P 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 TNY278P?
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 TNY278P?
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.