Description

The 27K Ohm 1/2W 5% Through Hole Resistor is a widely used electronic component, ideal for various applications such as current limiting, voltage regulation, and signal processing. With a resistance value of 27K ohms (27,000 ohms), a power rating of 1/2 watt (0.5W), and a 5% tolerance, this resistor is perfect for moderate power applications. The through-hole mounting design allows for easy and secure integration into printed circuit boards (PCBs), making it suitable for both prototyping and production environments.

Key Specifications:

• Resistance: 27K ohms (27,000 ohms)

  • The 27K ohm resistor is ideal for use in circuits requiring a higher resistance to limit current flow or scale down voltage. It is commonly used in voltage divider circuits, signal conditioning, and filtering applications.

• Power Rating: 1/2 watt (0.5W)

  • With a 1/2 watt power rating, this resistor can safely dissipate up to 0.5 watts of electrical power without overheating, making it suitable for low-to-medium power circuits.

• Tolerance: ±5%

  • The 5% tolerance means that the actual resistance can vary by 5% from the nominal value. For the 27K ohm resistor, the actual resistance could range from 25,650 ohms to 28,350 ohms.

• Mounting Type: Through-hole

  • The through-hole mounting design allows the resistor’s leads to pass through holes in the PCB and be soldered, ensuring a stable electrical connection. This mounting type is commonly used for both prototyping and mass production.

Applications:

• Current Limiting:
  The 27K ohm resistor is frequently used in current-limiting applications to protect sensitive components such as LEDs, transistors, or microcontrollers by controlling the flow of current through the circuit.

• Voltage Regulation:
  This resistor is used in voltage regulation circuits to help stabilize voltage levels and ensure the reliable operation of components within a circuit.

• Voltage Divider Circuits:
  The 27K ohm resistor is often used in voltage divider circuits, which scale down voltage to a safe level for sensors, analog-to-digital converters (ADC), or other measurement devices.

• Signal Processing and Filtering:
  It is commonly employed in signal processing and filtering applications, including audio amplifiers, RF circuits, and noise reduction systems, where it helps filter and stabilize signals to ensure clean and accurate output.

Physical Characteristics:

• Size:
  The 1/2 watt resistor typically measures around 1/4 inch (6.35 mm) in length and 1/8 inch (3.18 mm) in diameter, although the exact size may vary depending on the manufacturer.

• Construction:
  The resistor has a cylindrical body with metal leads extending from both ends. These leads pass through holes in the PCB, where they are soldered to form a stable, reliable connection.

Summary:
The 27K Ohm 1/2W 5% Through Hole Resistor is a reliable and versatile component suitable for various electronic circuits. With its 27K ohm resistance, 1/2 watt power rating, and 5% tolerance, this resistor is perfect for moderate power applications. The through-hole mounting design ensures easy integration into PCBs, making it ideal for both prototyping and mass production. Whether used for current limiting, voltage regulation, voltage division, or signal processing, this resistor provides consistent and dependable performance in a variety of electronic systems.