Chicago Miniature Lighting · Electronic Components
TG151
Arrester, Electrical Surge
Part NumberTG151
ManufacturerChicago Miniature Lighting
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-00-789-7979 (NSN)
Federal Item NameARRESTER,ELECTRICAL SURGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Overall Length1.780 INCHES MAXIMUM
Mounting ConfigurationNO MTG FACILITIES
Mounting MethodCLAMP
Terminal Quantity2
Usage DesignINDOOR
Overall Diameter2.420 INCHES NOMINAL
Arrester TypeAIR GAP
Body MaterialCERAMIC
Terminal TypeTAB, SOLDERLESS LUG
Breakdown Voltage6.800 KILOVOLTS NOMINAL
Vendor Part Numbers59207897979
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 TG151 available?
We can source TG151 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 TG151 by Chicago Miniature Lighting obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If TG151 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 TG151?
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 TG151?
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.