STMICROELECTRONICS LDL1117S33R 3.3V 1.2A LOW DROPOUT LDO VOLTAGE REGULATOR SOT-223
$5.95
Genuine STMicroelectronics LDL1117S33R fixed 3.3V low-dropout linear voltage regulator in SOT-223 surface-mount packaging. Designed to provide a regulated 3.3V output at currents up to approximately 1.2A, making it useful for power regulation, logic rails, control boards, embedded electronics, communications equipment, repair work, and general electronic projects.
LIFECYCLE STATUS: NOT VERIFIED
Output Voltage: 3.3V
Regulator Type: Positive Low Dropout Linear Regulator
Output Current: Up to 1.2A
Package: SOT-223
Mounting Style: SMD / SMT
Output Type: Fixed
Polarity: Positive
Application: 3.3V regulated power supply rails
RoHS Compliant
HISTORICAL BACKGROUND: The LDL1117 family is STMicroelectronics’ modern low-dropout regulator family intended for applications requiring higher output current and improved efficiency compared with older linear regulator designs. The fixed 3.3V version is commonly suited to digital logic, microcontroller, communications, and general-purpose board-level power regulation where a stable 3.3V supply rail is required.
Origin Tracker
Surplus Stock
Released from surplus, warehouse, industrial, or excess bench inventory.
Pipeline quantities are informational and may change after arrival, inspection, sorting, testing, or donor teardown.
Compatible Radios / Boards
Suitable for circuits designed for a fixed 3.3V positive LDO regulator using the LDL1117 electrical characteristics and SOT-223 footprint. May be useful in power supply sections, logic boards, embedded systems, communications equipment, test equipment, and repair projects. Verify input voltage, output current, pinout, PCB footprint, thermal requirements, and required external capacitors before substitution.
RF Boneyard Bench Notes
Unused Mouser Electronics distributor stock. Original packaging identifies STMicroelectronics LDL1117S33R and quantity 10. Electrical testing not performed due to new packaged condition.
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