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RPM871-H12E4

RPM871-H12E4 Description

The RPM871-H12E4 from ROHM Semiconductor is an IrDA transceiver module compliant with IrDA 1.2 standards, designed for short-range infrared data communication. Encased in a compact 8.00mm × 3.00mm × 2.92mm SMD package, this module supports a data rate of 115.2kbps (SIR) and operates within a 2.6V to 3.6V supply range. Its low idle current of 73 µA (typical at 25°C) ensures energy efficiency, making it suitable for battery-powered applications. The module offers a link range of 20cm (low power) and 60cm (standard), balancing performance and power consumption.

RPM871-H12E4 Features

• Compliance & Standards: Meets IrDA 1.2 specifications for reliable infrared communication.
• Compact & Robust: Ultra-small 8mm SMD footprint with Tape & Reel (TR) packaging for automated assembly.
• Low Power Consumption: 73 µA idle current extends battery life in portable devices.
• Wide Voltage Range: Operates from 2.6V to 3.6V, compatible with common microcontrollers.
• Environmental Compliance: ROHS3 and REACH unaffected, ensuring eco-friendly integration.
• High Sensitivity: Optimized for 20cm–60cm range, ideal for close-proximity data transfer.

RPM871-H12E4 Applications

• Portable Electronics: Infrared data exchange in handheld medical devices, PDAs, and mobile accessories.
• Industrial Automation: Machine-to-machine (M2M) communication in confined spaces.
• Consumer Electronics: Remote controls, printers, and barcode scanners requiring low-power IrDA.
• IoT Edge Devices: Sensor data transmission in energy-constrained environments.

Conclusion of RPM871-H12E4

The RPM871-H12E4 stands out as a highly efficient, compact IrDA transceiver for low-power, short-range infrared applications. Its IrDA 1.2 compliance, ultra-low idle current, and robust SMD design make it a superior choice over bulkier or less efficient alternatives. While marked Obsolete, it remains a viable solution for legacy systems or niche applications demanding reliable infrared communication with minimal power draw. Ideal for portable, industrial, and consumer devices, this module balances performance, size, and energy efficiency.