Niiyen L7805 Voltage Regulator 5V 1.5A Linear Fixed, 10pcs Lot

Description

Product Overview

The Niiyen L7805 is a classic three‑terminal linear voltage regulator designed to provide a steady 5 V output with a maximum current capability of 1.5 A. Housed in a durable through‑hole TO‑220 package, each unit measures 4.33 × 1.18 × 0.39 inches and weighs only 0.71 oz, making it easy to integrate into a wide variety of circuit boards and prototype assemblies. The regulator features a fixed output type, line regulation of 50 mV, and load regulation of 100 mV, ensuring that voltage fluctuations remain minimal even under varying load conditions. Internal protection mechanisms include current limiting, thermal shutdown, and safe‑area protection, which collectively guard the device against overload, overheating, and short‑circuit scenarios. With an operating temperature range from 0 °F (‑18 °C) up to 302 °F (150 °C), the L7805 can reliably function in both standard laboratory environments and more demanding industrial settings. The package is supplied in a 10‑piece lot, providing a cost‑effective solution for developers who need multiple regulators for testing, batch production, or educational projects.

Usage

Designed for a broad spectrum of applications, the Niiyen L7805 excels in regulated power supply circuits, microcontroller boards, sensor interfaces, and any project that requires a stable 5 V rail. Its robust protection features make it especially suitable for hobbyist kits, university laboratory equipment, and professional prototype rigs where reliability is paramount. Engineers often employ the L7805 as the final regulation stage in a multi‑stage power conversion chain, pairing it with bulk capacitors to smooth out input ripple and improve transient response. The regulator’s through‑hole mounting style simplifies soldering and board layout, allowing for quick iteration during design validation. Whether you are building a portable Arduino‑based device, a data‑acquisition system, or a small‑scale IoT gateway, the L7805 provides the confidence that your downstream components receive clean, consistent power.

Why Choose Us

Choosing the Niiyen L7805 means selecting a component that balances performance, durability, and affordability. Each regulator undergoes rigorous quality testing to verify compliance with industry standards for voltage accuracy and thermal behavior. The inclusion of multiple internal safeguards reduces the risk of catastrophic failure, extending the lifespan of both the regulator and the equipment it powers. Our 10‑piece packaging not only lowers the per‑unit cost but also ensures that you have spare units on hand for future revisions or replacements, minimizing downtime. Additionally, Niiyen provides responsive technical support and detailed datasheets to help you integrate the regulator seamlessly into your designs. With a strong track record reflected in a 4.5‑star rating from over 60 verified customers, the L7805 has proven its reliability across a variety of real‑world deployments.

Key Features

• Stable 5 V output up to 1.5 A for consistent performance in sensitive electronics.
• Built‑in current limiting and thermal shutdown protect your circuit from overload and overheating.
• Wide operating temperature range (0 °F – 302 °F) ensures reliable function in diverse environments.
• Compact through‑hole TO‑220 package simplifies soldering and board layout for rapid prototyping.
• Comes with dedicated after‑sales support and a 10‑piece lot for inventory convenience.

FAQ

What is the maximum current the L7805 can supply?

The regulator is rated for a continuous output current of 1.5 A, which is sufficient for most low‑power microcontroller and sensor applications.

Can the L7805 be used for adjustable voltage outputs?

While the L7805 is a fixed 5 V regulator, it can be paired with external resistors to create a simple adjustable configuration, though a dedicated adjustable regulator is recommended for precise voltage tuning.

How does the thermal shutdown feature work?

If the device temperature exceeds its safe operating limit, the internal thermal shutdown circuit automatically reduces the output current to prevent damage, resuming normal operation once the temperature falls back within range.

Is the L7805 suitable for battery‑powered projects?

Yes, the L7805 can be used with battery sources that provide a voltage higher than 5 V, but keep in mind that linear regulators dissipate excess voltage as heat, so efficiency may be lower compared to switching regulators.

What protection does the L7805 offer against short circuits?

The regulator includes internal current limiting that detects excessive current flow and reduces the output, effectively safeguarding both the regulator and the connected circuitry from short‑circuit damage.

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