RB557WTL

Overview

The RB557WTL is a Schottky barrier diode manufactured by ROHM Semiconductor, housed in an SOT-416 (EMD3) package. It features a dual common anode configuration with silicon technology. Key electrical parameters include a repetitive reverse voltage of 30 V and an average forward current of 100 mA per diode. The maximum forward voltage is specified at 490 mV, with a reverse current of 500 nA. The device supports a forward surge current of 500 mA and operates within a temperature range up to +125°C.

Feature Summary

• Low forward voltage characteristics for improved efficiency
• High electrostatic discharge resistance capability
• Dual common anode configuration for compact circuit design

Applications

• Small current rectification in portable electronics
• General rectification applications in mobile phones
• Power management circuits in consumer devices

Procurement Notes

Verify the specific ordering suffix and packaging details directly with authorized distributors or the manufacturer's official documentation. Confirm that the component meets RoHS compliance requirements as stated in the product specifications. Ensure the selected variant matches the required thermal and electrical ratings for the intended application environment before finalizing procurement orders.

Selection Notes

Select this component when a low forward voltage drop and high ESD protection are critical for small signal rectification tasks. The dual common anode structure simplifies board layout compared to separate discrete diodes. Consider the 30 V reverse voltage rating and 100 mA current capacity to ensure adequate margin for the target circuit's operational conditions and peak load requirements.

Part Context

This part belongs to the RB557W series of Schottky barrier diodes designed for portable electronic devices. The series emphasizes low power consumption and robustness against static electricity. The SOT-416 package provides a compact footprint suitable for space-constrained designs in modern handheld gadgets and similar small form factor electronics.

Replacement Considerations

Check for direct substitutes within the same ROHM family or equivalent parts from other manufacturers offering identical pinout and electrical ratings. Verify that any replacement maintains the 30 V reverse voltage and 100 mA forward current specifications while ensuring compatibility with the SOT-416 package dimensions.