RS Components · Electronic Components
171-4851
SEMICONDUCTOR DEVICE,PHOTO — NSN 5961-01-243-3505
Part Number171-4851
ManufacturerRS Components
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-243-3505 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,PHOTO
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating7.00 MILLIAMPERES MINIMUM LIGHT CURRENT AND 100.00 MICROAMPERES MAXIMUM DARK CURRENT
Terminals3 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length0.247 INCHES MAXIMUM
Overall Diameter0.219 INCHES MAXIMUM
Voltage Rating In Volts Per Charac30.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC AND 5.0 MAXIMUM EMITTER TO COLLECTOR VOLTAGE, DC
Terminal Circle Diameter0.100 INCHES NOMINAL
Special FeaturesJUNCTION PATTERN ARRANGEMENT: NPN
Internal ConfigurationJUNCTION CONTACT
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 171-4851 available?
We can source 171-4851 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 171-4851 by RS Components obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 171-4851 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 171-4851?
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 171-4851?
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.