Hey there, looking for reliable optocouplers for your electronics project?

Grab this set of 10 TLP621-1 DIP-4 units – also known as TLP621-1GB.

These little guys are perfect for isolation in circuits, and the DIP-4 package makes them super easy to work with on a breadboard or PCB.

Whether you're repairing gear, building prototypes, or stocking your workshop, this pack gives you plenty to work with.

No need to hunt for singles – here's a handy bulk set ready to go.

They're widely compatible, commonly used in power supplies, digital isolation, and more.

DIP-4 means 4 pins in a classic dual in-line package – straightforward to solder and replace.

Ideal for hobbyists, makers, or repair jobs.

Keep a few on hand so you're never stuck mid-project.

Trusted component, simple packaging, just the parts you need.

So if you need optocouplers that just work, this 10-piece set is a no-brainer add to cart.

Get isolating!

TLP621-1 DIP4 optocouplers, also listed as TLP621 or TLP621-1GB.

Comes as a 10-piece pack.

DIP-4 package with standard pin spacing.

Great for signal isolation, noise reduction, and circuit protection.

Use in Arduino projects, industrial controls, appliance repairs, and audio equipment.

Stock up now and save the hassle of reordering later.

Compatible with many datasheet specs – check your requirements.

Simple, reliable, and ready to ship.