How to source PQ018EF01 voltage regulators reliably

The PQ018EF01 (often referred to as 018EF01) is a Low Power-Loss Voltage Regulator manufactured by Sharp Corporation. It is designed for low-voltage operation with a fixed 1.8V output and a maximum current of 1.0A, housed in a TO-220F-4 package Worldwayelec Alldatasheet.

Key Technical Specifications

Input Voltage Range: 2.35V to 10V
Fixed Output Voltage: 1.8V (±0.05V tolerance) Alldatasheet
Maximum Output Current: 1.0A
Dropout Voltage: 0.5V max
Protection Features: Integrated overcurrent and overheat protection Alldatasheet

Market Trends & Supply Insights (2025-2026)

The electronic component market in 2026 is characterized by extreme lead times and a strategic shift toward AI-related hardware.

Lead Time Pressures: Standard lead times for many active components now exceed 39 weeks, with some reaching 52 weeks in the automotive and PC sectors Reddit.
Portfolio Consolidation: Major manufacturers are accelerating End-of-Life (EOL) for legacy nodes, including older power regulator series like those from Sharp, to prioritize high-margin AI and data center wafers Reddit.
Pricing: Market prices for legacy components are experiencing significant resets, sometimes rising 30-60% as stock becomes limited Reddit.

Supplier Landscape

While Sharp remains the original manufacturer, current market availability is primarily through specialized electronic component distributors and secondary market suppliers Ariat-Tech Jotrin.

Verified Suppliers: Companies like Huibaina (Shenzhen) Industrial and Shenzhen Zhike Electronics have been identified as having related Sharp regulator series or BOM sourcing capabilities Alibaba Alibaba.
Availability Note: The component is listed as "Active" in many distributor databases, but buyers should anticipate "allocation-only" models or "factory excess" sourcing for this specific legacy series Reddit Ariat-Tech.