STEF12WPUR

Current Regulation/Management Overview

The STEF12WPUR is an integrated electronic fuse designed for monitoring output current and input voltage on a 12 V rail. It operates within a temperature range of -40 °C to 125 °C. The component features a surface mount installation type and belongs to the STEF12S series. Its physical dimensions are 3.15 mm in width and 3.15 mm in length. The device is classified as a hot swap voltage controller and is moisture sensitive.

Current Regulation/Management Feature Summary

• Integrated electronic fuse optimized for monitoring output current and input voltage
• Designed for connection in series to a 12 V rail
• Supports hot swap voltage control applications

Current Regulation/Management Applications

• 12 V line protection
• Output current monitoring
• Input voltage monitoring

Current Regulation/Management Procurement Notes

Verify the specific suffix 'WPUR' against the manufacturer's official datasheet to confirm package details and moisture sensitivity status. Ensure the ordering information matches the exact part number required for your design, as suffixes may indicate variations in packaging or reel specifications. Cross-reference with the latest STMicroelectronics documentation to avoid discrepancies.

Current Regulation/Management Selection Notes

Select this component when a compact solution for 12 V rail protection is required. Consider its surface mount capability and small footprint for space-constrained designs. Verify that the operating temperature range meets the environmental requirements of the target application. Confirm compatibility with the system's hot swap requirements before finalizing the selection.

Current Regulation/Management Part Context

The STEF12WPUR is part of the STEF12 family from STMicroelectronics. This family includes integrated electronic fuses for 12 V lines. Other variants in the series may share similar core functionalities but differ in package types or specific electrical characteristics. The STEF12 series is generally used for protecting downstream circuits from overcurrent and other faults.

Current Regulation/Management Replacement Considerations

Check for direct substitutes within the STEF12 series. Verify pinout and electrical parameters match exactly. Consult STMicroelectronics for approved alternatives if the specific WPUR suffix variant is unavailable.