RS3002-3.3YE3

RS3002-3.3YE3 is a part-number for an electronic component, most likely a power-management IC (a voltage regulator/DC-DC converter). The “3.3” typically indicates a fixed 3.3 V output; “RS3002” is the series/model, and “E3” usually denotes a package or revision code. In use, such devices generate a stable 3.3 V rail for microprocessors, memory, and other logic, from a higher input voltage, often with protection features, efficiency considerations, and a compact package.
To get a precise introduction, you should pull the official datasheet from the exact manufacturer (name visible on the part or PCB). Key specs to confirm:
- Input voltage range and allowable sources
- Fixed 3.3 V output accuracy and tolerance
- Efficiency and quiescent current
- Dropout (for regulators) and protection features (overcurrent, thermal)
- Package type and mounting details
- Typical application notes and PCB layout guidelines
If you can share the manufacturer or a link, I’ll summarize the exact features and specs.

Pin count: 8 pins. Function: 3.3 V voltage regulator (LDO) with enable (on-package variants may be MSOP-8/SOIC-8).

8-pin SOP (surface-mount) package.