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Transistor Devices  · Electronic Components

B6659-4

Resistor, Variable, Wire Wound, Non

Part NumberB6659-4
ManufacturerTransistor Devices
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,NON
Federal Supply Class5905 — Resistors
Effective Electrical Rotation In D300.0 NOMINAL
Shaft Diameter0.250 INCHES NOMINAL
Screw Thread Diameter0.375 INCHES NOMINAL
Body Diameter1.125 INCHES NOMINAL
Ambient Temp In Deg Celsius Per Se105.0 SINGLE SECTION
Mounting MethodSTANDARD BUSHING
Rotary Actuator Travel In Angular300.0 NOMINAL
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Resistance Tolerance Per Section I-2.0 TO 2.0 SINGLE SECTION
Power Dissipation Rating Per Secti2.0 FREE AIR SINGLE SECTION
Actuator Travel Control FeatureSTOPS
ESD/EMICode B — ESD/EMI sensitive item
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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

Frequently asked

Is B6659-4 available?
We can source B6659-4 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 B6659-4 by Transistor Devices obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B6659-4 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 B6659-4?
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 B6659-4?
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.