Antenna
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NFC Antenna Modules: Precise Wireless Connectivity from alfatec
In an increasingly connected world, Near Field Communication (NFC) is a key technology for contactless data exchange over short distances.
It enables fast and secure interactions between devices, from payment systems to industrial control. The core of every reliable NFC application is the antenna.
alfatec GmbH & Co. KG, your experienced NFC supplier for electronic components, offers high-quality NFC antenna modules from leading manufacturer Sunlord, ensuring top performance and reliability for your demanding projects.
What Are NFC Antennas and Why Are They Critical?
An NFC antenna is essentially a coil that generates a magnetic field through induction. This field enables wireless power and data transfer between an NFC reader (initiator) and an NFC tag (target) or another NFC-enabled device within a few centimeters (typically <10 cm).
The quality of the antenna significantly influences the range, speed, and stability of the wireless connection.
A precisely tuned antenna is essential for reliable data reading and smooth operation of the entire NFC system.
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Contact us nowTechnical Details: Sunlord NFC Antenna Modules
The NFC antenna modules from Sunlord distributed by alfatec are characterized by precise technical parameters essential for engineers and technicians. They are optimized for the standard NFC frequency of 13.56 MHz.
Key technical parameters (example values):
- Operating frequency: 13.56 MHz
- Inductance (Ls): Typically in the microhenry (µH) range. Example: Ls = 8 µH (measured at 100 kHz). Precise inductance is crucial for tuning the resonant circuit with the NFC chip.
- DC resistance (RDC): A low RDC is desirable for minimal losses. Example: RDC = 190 mΩ.
- Quality factor (Q): A high Q factor ensures better selectivity and energy transfer. Sunlord modules are optimized for high Q values.
- Self-resonant frequency (SRF): Must be significantly higher than the operating frequency to ensure reliable function.
- Operating temperature range: Broad range for use in harsh industrial environments, e.g., -40°C to +85°C.
- Form factor: Compact SMD (Surface Mount Device) packages for easy integration into automated assembly processes.
- Materials: Sunlord uses high-quality materials such as ferrite cores with optimized magnetic properties and high-purity copper wire for windings to ensure consistent performance and durability. The housings provide mechanical protection and ease of handling.
Overview: Types of NFC Antennas and Our Focus
NFC antennas can be implemented in various designs to meet different requirements for size, cost, and performance:
- Air coil antennas: Simple wound wires—often cost-effective but more sensitive to environmental influences and harder to tune precisely.
- Etched antennas (foil antennas): Conductive traces etched on flexible materials like PET. Flat, flexible, and suitable for cards or labels.
- Stamped antennas: Structures stamped from metal sheets. Often offer a good balance between cost and performance.
- Ferrite-core-based module antennas: Compact modules with coils wound around a ferrite core. These typically offer the best performance in small spaces, excellent shielding against metallic environments, and high quality factors (Q).
alfatec focuses on delivering highly integrated and high-performance NFC modules, particularly ferrite-core-based antenna modules from Sunlord. These provide optimal solutions for demanding industrial applications where reliability and miniaturization are critical.
Our partner in the NFC sector
Sunlord
Our partner Sunlord has been developing and producing chip-based electronic components such as EMC or RF components, coils, inductors and transformers since 2000. The company also offers development work for customised designs and has already received Tier 1 certifications for this.
Why alfatec Is Your Partner for NFC Antenna Modules
As an established distributor of electronic components, we understand the needs of engineers, technicians, and procurement professionals. Choosing alfatec as your NFC supplier means:
- Technical expertise: Our team supports you in selecting the right module for your specific application.
- Focused portfolio: We offer selected, high-quality NFC modules from leading manufacturers like Sunlord.
- Reliable logistics: Fast availability and on-time delivery are a given.
- Attractive terms: Benefit from competitive pricing and framework agreements.
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alfatec – your partner for high-quality electronic components
As your expert partner for electronic components, alfatec supports you in selecting the right NFC modules for your applications. We offer comprehensive advice and are happy to answer any questions you may have about power modules.
Do you have questions about our NFC modules or would you like a personal consultation? Feel free to contact us.