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RS31309AR is listed in the Hot Swap Controllers range at ChipApex. The manufacturer field lists Reed Semiconductor Corp.. Its product description is IC ELECTRONIC FUSE 8WSON. Review the specifications below when checking this part for your BOM.
Hot Swap Controllers specifications for RS31309AR
- Description：IC ELECTRONIC FUSE 8WSON
- Series：-
- Mfr：Reed Semiconductor Corp.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Hot Swap Controller
- Number of Channels：1
- Internal Switch(s)：Yes
- Applications：Motherboard
- Features：Latched Fault
- Programmable Features：Current Limit
- Voltage - Supply：2.97V ~ 16.5V
- Current - Output (Max)：4A
- Operating Temperature：-40°C ~ 125°C
- Current - Supply：4:00 AM
- Mounting Type：Surface Mount
- Package / Case：8-WFDFN Exposed Pad
- Supplier Device Package：8-WSON (2x2)
- Grade：-
- Qualification：-
Hot Swap Controllers datasheet and documents for RS31309AR
Hot Swap Controllers Overview
The RS31309AR is a single-channel hot-swap controller manufactured by Reed Semiconductor Corp. It integrates an internal power switch and supports a supply voltage range of 2.97V to 16.5V. The device features programmable current limiting with a maximum output current of 4A. Designed for motherboard applications, it operates within a temperature range of -40°C to 125°C. The component is housed in an 8-WSON (2x2) package with exposed pad.
Hot Swap Controllers Feature Summary
- Integrates an internal power switch for compact board design
- Provides programmable current limiting protection
- Supports automatic retry functionality for fault recovery
Hot Swap Controllers Applications
- Motherboard power distribution
- Hot-swap peripheral insertion systems
- PCI/PCI-X slot protection circuits
Hot Swap Controllers Procurement Notes
Verify the specific suffix 'R' against the manufacturer's official datasheet to confirm the tape-and-reel packaging configuration. Ensure the ordering part number matches the exact thermal and electrical specifications required for the target application. Cross-reference the RoHS status and moisture sensitivity level with current regulatory requirements before finalizing procurement.
Hot Swap Controllers Selection Notes
Select this component when a single-channel solution with integrated switching is required for motherboard architectures. The 8-WSON package suits space-constrained designs. Verify that the 4A current limit aligns with load requirements. Consider the operating temperature range for environmental compatibility. Confirm interface compatibility with upstream power sources within the specified voltage limits.
Hot Swap Controllers Part Context
This part belongs to the Reed Semiconductor hot-swap controller family, designed for protecting electronic circuits during live insertion. It serves as an alternative to discrete MOSFET-based solutions, offering simplified design through integrated control logic and protection features. The series targets high-reliability computing and communication infrastructure applications.
Hot Swap Controllers Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pin-to-pin compatibility and electrical parameter alignment with any potential alternatives from other manufacturers before substitution.
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