Diodes & Rectifiers

Diodes & Rectifiers – Your Complete Source for Discrete Diode Components

Whether you're building a power supply, designing a signal-processing circuit, or prototyping your next electronics project, the right diode makes all the difference. Our Diodes & Rectifiers collection brings together a carefully curated selection of general-purpose rectifiers, Schottky diodes, Zener diodes, bridge rectifiers, SMD diodes, and LED diodes — all sourced from trusted manufacturers and available in convenient bulk packs and assortment kits. From classic through-hole DO-41 packages to compact SOD-123 and SOD-323 SMD footprints, we stock the components engineers, hobbyists, and makers rely on every day.

Why Shop Our Diodes & Rectifiers Collection?

Wide Selection: Schottky, Zener, fast-switching, ultrafast recovery, bridge rectifiers, SMD, and LED diodes — all in one place.
Bulk Packs & Kits: Stock your workbench with multi-value assortment kits so you always have the right component on hand.
Trusted Brands & Quality Parts: Components from reputable series including 1N4007, STTH, STPS, KBPC, DF-S, and BZT52C lines.
THT & SMD Options: Choose from through-hole and surface-mount packages to match your PCB design requirements.

Types of Diodes We Carry

Rectifier Diodes: Convert AC to DC with dependable efficiency. The classic 1N4007 (1A, 1200V) is a go-to choice for general-purpose circuits.

Schottky Diodes: Characterized by low forward voltage drop and fast switching speeds — ideal for high-frequency circuits and power efficiency applications. Look at our 10pcs MBRS360BT3G SMB DO-214AA Schottky Rectifier Diodes for a premium SMB-package option.

Zener Diodes: Used for voltage regulation and reference. Our SMD Zener kits cover a wide range of breakdown voltages in ultra-compact packages.

Bridge Rectifiers: Packaged rectifier bridges such as KBPC and DF-S series simplify full-wave rectification in a single component. Check out our 10-Pack Rectifier Bridge Diodes – KBPC & S-Series VB100 for high-current bridge solutions.

Ultrafast & Fast-Recovery Diodes: Minimize reverse recovery losses in switching power supplies and inverter circuits. Our STTH series packs offer multiple models in a single order.

LED Diodes: Light-emitting diodes for indicators, displays, and decorative lighting — available in 6 vibrant colors in our 1000-piece assortment.

SMD Diodes: Surface-mount options in 0805, 1206, SOD-123, and SOD-323 packages for modern compact PCB layouts.

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Frequently Asked Questions

Q: What is the difference between a Schottky diode and a standard rectifier diode?

A: Schottky diodes have a metal-semiconductor junction that gives them a significantly lower forward voltage drop (typically 0.15–0.45V) compared to standard silicon rectifier diodes (around 0.6–0.7V). They also switch much faster, making them ideal for high-frequency power conversion and RF circuits. Standard rectifier diodes like the 1N4007, on the other hand, handle higher reverse voltages and are better suited for general-purpose AC-to-DC rectification at lower frequencies.

Q: What does a Zener diode do, and when should I use one?

A: A Zener diode is specifically designed to operate in reverse breakdown at a precise voltage known as the Zener voltage. This makes it invaluable for voltage regulation, voltage reference circuits, and overvoltage protection. Use a Zener diode when you need to clamp or stabilize a voltage in your circuit without complex regulator ICs.

Q: What is a bridge rectifier and what are its advantages?

A: A bridge rectifier is an arrangement of four diodes that converts both the positive and negative half-cycles of an AC input into a pulsating DC output — known as full-wave rectification. Packaged bridge rectifiers (like KBPC or DF-S series) integrate all four diodes into a single component, saving PCB space, simplifying assembly, and improving reliability over discrete four-diode designs.

Q: What do SMD diode package designations like SOD-123 and SOD-323 mean?

A: SOD-123 and SOD-323 are standardized surface-mount package sizes for small-signal and rectifier diodes. SOD-123 is slightly larger and easier to hand-solder, while SOD-323 (also called SC-76) is more compact and suited for high-density PCB layouts. Knowing your package size is essential when selecting a compatible footprint for your PCB design.

Q: Are diode assortment kits a good choice for beginners and hobbyists?

A: Absolutely! Diode assortment kits — such as our 8-value Schottky & Switching Diode Sets — give you a broad selection of the most commonly used diodes in a single, cost-effective purchase. They are perfect for prototyping, learning, and ensuring you always have the right component without waiting for individual orders. Beginners especially benefit from having general-purpose rectifiers, Schottky diodes, and fast-switching diodes all in one kit.