Product Details

The LAC1922 Series is a precision PKE transmitter antenna designed for passive keyless entry (PKE) systems and other 125kHz RFID applications. As an inductive coil component built for mechanical stability and reliable performance, the LAC1922 series delivers consistent inductance and high Q at the standard 125 kHz test frequency. Its through-hole construction and RoHS-compatible materials make it ideal for automotive, smart home, security and wireless charging alignment applications.

Key Features

• Robust construction for high mechanical stability and long-term reliability.

• Through-hole mounting for easy PCB assembly and secure installation.

• Designed and tested at 125 kHz, optimized for PKE and low-frequency RFID systems.

• RoHS-compatible materials and manufacturing.

• Compact cylindrical form factor suitable for tight PCB footprints and wireless alignment.

• High Q (Min Q = 30) ensures efficient transmit/receive coupling in RFID/PKE systems.

Features / Electrical Characteristics

• Test Frequency: 125 kHz @ 25°C.

• Testing Instrument: HP4284A.

• Operating Ambient Temperature: −40°C to +105°C.

• Storage Temperature: −40°C to +105°C.

Electrical characteristics by model (typical ± tolerance shown):

Mechanical / Physical Specifications

• Overall reference length: 60.0 mm (Ref).

• Coil body length: 20.0 mm, winding length 14.0 mm.

• Outer diameter: 10.0 mm.

• Lead diameter: φ0.8 mm.

• Mounting style: Through-hole axial leads.

Typical Applications

• Car Keyless Entry Systems (PKE).

• Smart Home and Security RFID transmitters.

• Logistics and vehicle tracking / transportation systems.

• Wireless charging alignment coils and proximity sensing.

• Livestock and pet management RFID applications.

Why Choose LAC1922

The LAC1922 Series combines stable inductance values, a compact through-hole package and a high Q factor optimized at 125 kHz — making it an ideal 125kHz RFID antenna coil for PKE and proximity applications. As an inductive coil component engineered for durability and consistent electrical performance, it reduces tuning effort in production and improves system coupling efficiency.

Ordering & Notes

• Provide the part number (e.g., LAC1922-491J) when requesting samples or quotations.

• Notes: Test Frequency = 125 kHz @25°C. Instrument: HP4284A. Operating / Storage Temp: −40°C to +105°C.

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High-Stability Through-Hole PKE Transmitter Antenna for 125 kHz RFID and Passive Keyless Entry Systems Images