資料來源：https://www.sparkfun.com/products/14561

You don’t have to worry about adding a resistor to an LED if you get an LED with a built in resistor! This pack of 25 yellow 5mm LEDs will help alleviate any frustrations you’ve had with accidentally burning them out by having a resistor in the diode itself. Each LED has an operating voltage range of 2.0V to 5V to help make your next project shine!

Each pack of these LEDs are conveniently bagged in reusable ESD safe packaging to make sure nothing accidentally gets damaged before you are able to use them.

Includes:

• 25x Yellow LED w/ Resistor - 5mm

Features:

• Operating Voltage Range: 2.0V-5.0V
• Standard Size - T1 ¾ 5mm
• Brightness: 2000-2500 MCD
• Color: 585-595 NM

Documents:

• Datasheet