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

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

⚡60-140pF variable capacitance

🔋100V withstand voltage

🔩2.1mm precision shaft hole

€ 21.00

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Description

📻 Tune into precision, power, and performance with Acxico capacitors!

SMOOTH CONTROL SHAFT - 2.1mm hole shaft designed for effortless, precise rotation with minimal torque (5-25 mN.m).
BUILT TO LAST VOLTAGE - Handles up to 100VDC, ensuring durability under demanding electronic conditions.
HIGH INSULATION INTEGRITY - 500MΩ insulation resistance guarantees minimal signal loss and maximum performance.
RELIABLE CONTACT DYNAMICS - Dynamic contact resistance at 20MΩ ensures consistent, stable radio frequency tuning.
PRECISION TUNING POWERHOUSE - Adjust capacitance seamlessly from 60 to 140pF for crystal-clear radio signals.

The Acxico 5Pcs 223p Duplex Radio Variable Capacitors offer a versatile capacitance range of 60 to 140pF with a robust 100V withstand voltage. Designed for pocket radios and similar devices, these capacitors feature a precise 2.1mm shaft hole for smooth tuning, high insulation resistance of 500MΩ, and low dynamic contact resistance, ensuring reliable and stable radio frequency adjustments. Perfect for professionals seeking dependable, high-quality radio components.

Specifications

ASIN	B081YRTZ7M
Best Sellers Rank	#73 in Car Amplifier Capacitors
Brand	Acxico
Brand Name	Acxico
Capacitance	60 picofarad
Capacitance Tolerance	6
Customer Reviews	4.7 out of 5 stars 75 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
Number of Items	5
Operating Voltage	100 volts
Part Number	LB050
Shape	Round
UPC	797806001507
Unit Count	5 Count

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€ 21.00

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered 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 Cyprus.

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