Freed Transformer · Electronic Components
MAS507
Saturable Reactor
Part NumberMAS507
ManufacturerFreed Transformer
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-615-0441 (NSN)
Federal Item NameSATURABLE REACTOR
Federal Supply Class5950 — Coils and Transformers
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeHERMETICALLY SEALED
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Overall Height2.625 INCHES MAXIMUM
Body Height2.375 INCHES MAXIMUM
Mounting Facility Quantity4 SINGLE GROUP
Mounting Hole Diameter0.156 INCHES NOMINAL SINGLE GROUP
Overall Width1.812 INCHES NOMINAL
Center To Center Distance Between1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Dc Resistance Rating In Ohms4400.000 SINGLE COMPONENT SINGLE CONTROL
Winding Function And Quantity1 PRIMARY AND 1 CONTROL SINGLE COMPONENT
Vendor Part Numbers526-6500-000, 526-6500-00, 674-5009-00, 674-5009-000
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 MAS507 available?
We can source MAS507 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 MAS507 by Freed Transformer obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MAS507 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 MAS507?
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 MAS507?
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.