High-Stability Through-Hole PKE Transmitter Antenna for 125 kHz RFID and Passive Keyless Entry Systems
รายละเอียดสินค้า
High-Stability Through-Hole PKE Transmitter Antenna for Car Keyless Entry
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
Electrical Characteristics
Standard Specifications
Test Frequency: 125 kHz @ 25°C
Testing Instrument: HP4284A
Operating Ambient Temperature: −40°C to +105°C
Storage Temperature: −40°C to +105°C
Model Specifications
Part Number
Inductance (µH)
Test Frequency (kHz)
Resistance (Ω)
Q Min
LAC1922-381J
380 ± 5%
125
2.2
30
LAC1922-491J
490 ± 5%
125
3.0
30
LAC1922-681J
680 ± 5%
125
8.0
30
LAC1922-102J
1000 ± 5%
125
20.0
30
Mechanical 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 Information
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.