Viking Technologies, Ltd.. · Electronic Components
ARL21
Capacitor, Variable, Air Dielectri
Part NumberARL21
ManufacturerViking Technologies, Ltd..
AvailabilityAvailable to order — request a quote
Specifications
NSN5910-00-187-7748 (NSN)
Federal Item NameCAPACITOR,VARIABLE,AIR DIELECTRI
Federal Supply Class5910 — Capacitors
Terminal Type And Quantity1 TAB, SOLDER LUG AND 2 SOLDER STUD
Mounting Facility Type And Quantit2 THREADED HOLE(S)
Tuning CharacteristicSTRAIGHT LINE CAPACITY SINGLE SECTION
Overall Length1.531 INCHES NOMINAL
Mounting Facility Screw Thread SerUNIFIED NATIONAL COARSE (UNC)
Inclosure TypeUNINCLOSED
Nonderated Voltage Rating And Type640.0 AC PEAK SINGLE SECTION
Capacitance Range In Picofarads+3.0 TO 25.0 SINGLE SECTION
Adjustment Device Rotation180.0 DEGREES NOMINAL CLOCKWISE AND 180.0 DEGREES NOMINAL COUNTERCLOCKWISE
Nominal Thread Size0.112 INCHES
Adjustment Device Drive Type And Q1 SHAFT
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 ARL21 available?
We can source ARL21 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 ARL21 by Viking Technologies, Ltd.. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ARL21 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 ARL21?
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 ARL21?
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.