The 137589-GP1FA551TZ is an obsolete fiber optic transmitter with integrated drive circuitry manufactured by Sharp Microelectronics. It is designed for digital audio applications. The package type is bulk, and the standard package includes 50 pieces. The data rate for this transmitter is 13.2Mbps, and the current supply is 13mA. The wavelength is 660nm, and the voltage supply ranges from 4.75V to 5.25V. The MSL level is 1, indicating unlimited moisture sensitivity. The HTSUS code for this product is 8541.49.1050. Although this product is obsolete, it was widely used in applications such as digital audio transmission, fiber optic communication, and audio equipment. With its high data rate, reliable performance, and easy integration, the 137589-GP1FA551TZ was a popular choice among audio engineers and manufacturers. Please note that due to its obsolete status, it may be challenging to find this product in the market.