RS31330B

Hot Swap Controllers Overview

The RS31330B is a single-channel hot swap controller and electronic fuse manufactured by Reed Semiconductor Corp. It operates within an input voltage range of 2.97V to 16.5V and supports a maximum output current of 7A. The device features an internal switch and is housed in a 10-QFN (2x2) surface-mount package. Designed for motherboard applications, it includes programmable overcurrent protection with a load current monitor output and automatic retry functionality. The component functions reliably across a temperature range of -40°C to 125°C.

Hot Swap Controllers Feature Summary

• Integrates a low-resistance pass MOSFET for efficient power switching
• Provides fast overvoltage protection mechanisms
• Includes programmable overcurrent protection with load current monitoring
• Supports automatic retry after fault clearance

Hot Swap Controllers Applications

• Motherboard power distribution
• Industrial system backplanes
• PCIe slot protection

Hot Swap Controllers Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required packaging options such as tape and reel or cut tape. Confirm that the RoHS3 compliance status meets environmental regulations for your target market. Check the moisture sensitivity level classification to determine storage and handling requirements before soldering. Ensure the supplier provides valid traceability documentation for quality assurance purposes.

Hot Swap Controllers Selection Notes

Select this component when a compact solution for high-current protection is required on motherboards or industrial boards. The wide input voltage range accommodates various bus architectures. The integrated MOSFET reduces external component count compared to discrete solutions. Consider the thermal performance of the 10-QFN package under continuous load conditions during design integration.

Hot Swap Controllers Part Context

This part belongs to the RS3133 series of eFuse protection switches from Reed Semiconductor Corp. These devices are designed to replace traditional fuses and discrete protection circuits. The series offers various current ratings and resistance values to suit different power rail requirements in computing and industrial electronics.

Hot Swap Controllers Replacement Considerations

Check datasheets for alternative parts with similar voltage ranges and current capabilities. Verify pinout compatibility if substituting directly. Ensure thermal characteristics match the original design constraints.