which leads are which? Do you have a schematic?

Pin C is Common (ground), Pin O is Oscillator 4-60pf, Pin A is Antenna 4-140pf.

What kind of knobs will fit on this?

My order came with flat tuning wheels with VERY small screws. Not knobs..

No matter which pins I measure, I can turn either of the two screws and the measured capacitance always stays at 3 pf. Is that correct?

The 2 screws are trimmer caps for the antenna and oscillator circuits of a superheterodyne reciever. The tuning shaft adjusts the reciever frequency from 60-140 pf

What is the pinout? there are no markings for c, o, or a like are shown in the item description.

The ones I have don't look like those, mine are close to silly putty color,, like mocha coffee.. but usually, if they have 3 connections, the greater capacitance is when you use the two outside metal tabs, the smaller capacitance is from the middle to either outside metal tab. Solder short wires on the 3 tabs and test on a proto board circuit. The values may be different from other manufacturers.

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Acxico 5Pcs 223p Duplex Radio Variable Capacitor 60pf/140pf 2.1mm Hole Shaft for Pocket Radio Accessories

Product ID: 185094000

Details

Capacitance
60 Picofarad
Brand
Acxico
Material
Ceramic
Shape
Round
Operating Voltage
100 Volts

⚡100V withstand voltage

📏2.1mm precision shaft hole

🔄96%-99% effective rotation angle

₨346

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Description

🎯 Tune in with precision, power, and style!

BUILT TO ENDURE - Withstand up to 100VDC for consistent, long-lasting performance.
READY FOR DIY REPAIRS - Pack of 5 through-hole capacitors designed for seamless integration and quick replacements.
HIGH INSULATION LOW LOSS - 500MΩ insulation resistance and minimal loss tangent ensure crystal-clear reception.
SMOOTH RESPONSIVE CONTROL - Experience near-perfect 180° rotation with minimal torque for effortless tuning.
PRECISION TUNED FOR POCKET RADIOS - Optimize your signal with ultra-reliable 60pf/140pf capacitance options.

The Acxico 5Pcs 223p Duplex Radio Variable Capacitors deliver precise capacitance tuning (60pf/140pf) with a robust 100VDC voltage rating. Featuring a 2.1mm shaft hole and near-perfect 180° rotation, these capacitors ensure smooth, reliable adjustments for pocket radios. Built with high insulation resistance and low loss tangent, they guarantee superior signal clarity. Ideal for professionals and hobbyists seeking durable, high-performance radio accessories in a convenient 5-pack.

Specifications

ASIN	B081YRTZ7M
Best Sellers Rank	#28 in Car Amplifier Capacitors
Brand	Acxico
Brand Name	Acxico
Capacitance	60 Picofarad
Capacitance Tolerance	6
Customer Reviews	4.7 out of 5 stars 74 Reviews
Item Shape	Round
Manufacturer	Acxico
Material	Aluminum, Ceramic, Plastic
Material Type	Aluminum, Ceramic, Plastic
Maximum Voltage	100 Volts
Model	LB050
Mounting Type	Through-Hole Mount
Operating Voltage	100 Volts
Part Number	LB050
Shape	Round
UPC	797806001507
Unit Count	5.0 Count

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₨346

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Seychelles.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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