Product Name: Ferrite Rod and Coil / Ferrite Rod Antenna Application: AM Broadcast / LF RFID 125KHz/ 134.2KHz/ Smart Meter / Sensor Receiver Version: Rev. A Date: 2025-07-01 Manufacturer: Weilong Technology Brief function: This ferrite coil antenna is a magnetic receiving antenna composed of Mn-Zn / Ni-Zn ferrite core and enameled copper winding. It captures the magnetic field component of electromagnetic waves for low-frequency signal reception, featuring compact size, high sensitivity, low loss. .model: WL1220 • Inductance 4(jh •Coil 1.0*10.5T •Current ioa

Ferrite Core Type Ferrite Material Initial Permeability ^i Core Dimension Winding Wire Number of Turns Description Rod / Slab rectangular ferrite MnZn Ferrite / NiZn Ferrite (mark grade, e.g. 3C85) Length: 20 mm, Diameter/WidthxThickness: 12 mm, Tolerance ±0.5 mm Enameled copper wire, Wire Dia: 2.0 mm (AWG_) 10.5Turns Winding Length on Core 10 mm Lead Wire Outer Protection Overall Dimension Weight Drawing Reference Tinned / enameled leads, Lead length: 13 mm Heat shrink tube / tape wrapping Lx Wx H: 12 * 20 * 10 mm 10 g Attach outline dimension drawing Test Condition: Ambient Temp 25°C, Humidity...

Ferrite Core Drop Test: No break under specified drop height LCR Digital Bridge Meter Frequency Signal Generator Standard Magnetic Field Source (for sensitivity test) Digital Caliper / Micrometer All dimension marks with tolerances Lead out position Winding region mark Ferrite core boundary Packing Method: Anti-static bag / Tray Qty per package: 200 PCS Label content: Model, Qty, Date Code All parameters measured under standard test environment. Sensitivity data is reference value; actual performance depends on matching circuit & housing metal interference. Specifications subject to change without...