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WT12-A-AI56IAP is listed in the RF Transceiver Modules And Modems range at ChipApex. The manufacturer field lists Silicon Labs. Its product description is RF TXRX MODULE SMD. Review the specifications below when checking this part for your BOM.
The WT12-A-AI56IAP is a Bluetooth v2.1 + EDR Class 2 RF transceiver module manufactured by Silicon Labs. Operating at 2.4GHz, it utilizes the BlueCore4 IC and features an integrated chip antenna with surface mount installation. The module supports serial interfaces including SPI, UART, USB, I2S, and PIO. It operates on a supply voltage of 3.4V with a maximum supply current of 60mA. Data transmission rates reach 3Mbps. The device is RoHS compliant and packaged in tape and reel format.
This component is officially listed as obsolete and no longer manufactured by Silicon Labs. Verification of availability requires checking distributor stock levels or authorized secondary market channels. Replacement parts such as WT12-A-AI56C are also marked as discontinued. Engineers must confirm end-of-life status through official Silicon Labs product change notices before initiating new designs.
Designers should evaluate alternative Bluetooth modules from the same manufacturer family due to the obsolescence of this specific part number. Compatibility checks for pinout, firmware, and antenna performance are necessary when migrating to successor models. Ensure that the replacement module meets the required Class 2 power output and interface specifications for the target application environment.
The WT12 series represents a line of compact Bluetooth transceiver modules designed for space-constrained applications. This specific variant integrates the BlueCore4 chipset, offering a balance between performance and size. It belongs to the broader category of RF transceivers used for short-range wireless communication protocols.
WT12-A-AI56C is a direct substitute but is also obsolete. No active manufacturer-recommended replacements are currently confirmed in public documentation.
Explore related parts through RF and Wireless, all product categories, ChipApex homepage.