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Product Detailed Parameters
- Description：IC
- Series：-
- Mfr：Johanson Technology Inc.
- Package：Tape & Reel (TR)
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- Features：-
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- Ingress Protection：-
- Grade：-
- Qualification：-
- Mounting Type：-
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Overview
The 1227AT45A0042001E is a miniature RF ceramic chip antenna manufactured by Johanson Technology Inc. It operates at a center frequency of 1.2GHz, specifically designed for L2 GPS applications. The component utilizes Low Temperature Co-fired Ceramic (LTCC) technology to achieve high reliability and compact form factors suitable for space-constrained designs. It supports surface mount installation with solder termination. The device is RoHS compliant and classified under the UHF frequency group.
Feature Summary
- Utilizes LTCC technology for superior RF performance and tight tolerances
- Optimized for compact PCB layouts in space-constrained RF designs
- Provides extreme temperature stability essential for precision applications
Applications
- L2 GPS receiver modules
- GNSS positioning systems
- Automotive telematics units
Procurement Notes
Verify the specific datasheet version and global manufacturing part number alignment before procurement. Confirm that the selected variant matches the required L2 frequency specifications for your target application. Ensure compatibility with standard surface mount assembly processes and check for any recent manufacturer part number revisions or obsolescence notices.
Selection Notes
Select this component when designing for L2 GPS frequencies requiring a miniature footprint. Consider its LTCC construction for environments demanding high dielectric constant materials and thermal stability. Evaluate its suitability against other single-band GNSS options based on available board space and required signal integrity standards.
Part Context
This model belongs to Johanson Technology's AT series of RF ceramic chip antennas. These components are engineered for IoT, automotive, and embedded wireless systems. The series emphasizes miniaturization and multi-band performance capabilities, supporting various wireless standards across consumer and industrial sectors through standardized LTCC manufacturing processes.
Replacement Considerations
Consult official Johanson Technology documentation for direct substitutes. Verify equivalent frequency coverage and physical dimensions if cross-referencing with other L2 GPS antennas.
