680 Ohm 1/4 Watt Resistors (10 Pieces Pack)

The 680 Ohm 1/4 Watt Resistors (10 Pieces Pack) contains ten high-quality fixed-value resistors designed for controlling current flow, dividing voltage, and protecting electronic components in a wide variety of electrical and electronic circuits. Each resistor has a resistance value of 680 Ohms (680Ω) and a power rating of 1/4 Watt (0.25W), making it ideal for low-power electronic applications such as LED current limiting, voltage divider circuits, transistor biasing, signal conditioning, embedded systems, circuit prototyping, and electronic repairs.

A resistor is one of the most important passive components used in electronic circuits. Its primary function is to oppose the flow of electrical current, allowing electronic devices to operate safely and efficiently. By limiting excessive current, resistors help protect sensitive components such as LEDs, transistors, integrated circuits (ICs), sensors, and microcontrollers from damage. They are also widely used to create precise voltage drops, stabilize signals, and establish proper operating conditions for active electronic components.

The 680 Ohm resistor is commonly used in LED protection circuits, pull-up and pull-down resistor networks, transistor biasing, timing circuits, voltage divider networks, and signal conditioning applications. It is manufactured using high-quality carbon film or metal film technology to provide accurate resistance values, low electrical noise, excellent stability, and reliable long-term performance.

These resistors feature a through-hole axial lead design, allowing easy installation on solderless breadboards, printed circuit boards (PCBs), stripboards, and prototype boards. Their standard lead spacing makes soldering simple and convenient for beginners, students, hobbyists, repair technicians, and professional electronics engineers.

With a power dissipation rating of 1/4 Watt (0.25W), these resistors are suitable for a wide range of low-power electronic circuits when operated within their specified limits. Standard resistor color bands provide quick and accurate identification of the resistance value. The pack of 10 resistors offers excellent value for electronics enthusiasts and professionals working on multiple projects.

Working Principle

A resistor limits the flow of electrical current by introducing resistance into a circuit.

• It controls current flowing through electronic components.

• It creates controlled voltage drops where required.

• It converts a small amount of electrical energy into heat.

• It improves circuit stability and protects components from excessive current.

Key Features

• Resistance value: 680 Ohm (680Ω)

• Power rating: 1/4 Watt (0.25W)

• Fixed-value resistor

• Carbon film or metal film construction

• Through-hole axial lead design

• Typical tolerance: ±5%

• Stable and reliable electrical performance

• Low electrical noise

• Compact and lightweight construction

• Easy to solder and install

• Suitable for breadboards and PCB mounting

• Durable and long-lasting

• Pack of 10 pieces

Applications

The 680 Ohm 1/4 Watt Resistor is commonly used in:

• LED current limiting circuits

• Voltage divider circuits

• Pull-up and pull-down resistor networks

• Transistor biasing circuits

• Signal conditioning circuits

• Power supply circuits

• Arduino projects

• Raspberry Pi projects

• Embedded systems

• DIY electronics projects

• Educational electronics experiments

• Circuit prototyping

• PCB assembly

• Electronic equipment repair

• General-purpose electronic circuits

Specifications

• Product Type: Fixed Resistor

• Resistance Value: 680 Ohm (680Ω)

• Power Rating: 1/4 Watt (0.25W)

• Resistor Type: Carbon Film / Metal Film

• Tolerance: Typically ±5%

• Lead Type: Axial Lead

• Mounting Type: Through-hole

• Package Quantity: 10 Pieces