Description

The 1E5 Ohm (1.5E) 1/2W 5% Through Hole Resistor is a versatile, low-resistance component designed for use in a wide variety of electronic circuits. With a resistance value of 1.5 ohms, a power rating of 1/2 watt (0.5W), and a 5% tolerance, this resistor is ideal for general-purpose applications including power regulation, current sensing, and signal filtering. Its through-hole mounting makes it easy to integrate into both prototyping and production boards.

Key Specifications:

• Resistance: 1.5 ohms (or 1.5E)

  • This resistance value is commonly used in circuits that require low resistance for current limiting, voltage regulation, or current sensing. It allows precise control over current flow with minimal voltage drop.

• Power Rating: 1/2 watt (0.5W)

  • The 1/2 watt power rating allows this resistor to safely dissipate up to 0.5 watts of electrical power. This makes it suitable for low to medium-power applications where heat dissipation is minimal.

• Tolerance: ±5%

  • The resistor has a 5% tolerance, meaning the actual resistance can vary by up to 5% from the nominal value. In this case, the resistance can range from 1.425 ohms to 1.575 ohms.

• Mounting Type: Through-hole

  • The through-hole design ensures a secure mechanical connection to the printed circuit board (PCB), with metal leads that pass through holes in the board and are soldered to the opposite side. This mounting style is ideal for both prototyping and final production assemblies.

Applications:

• Current Sensing:
  The 1.5 ohm resistance is often used in current sensing applications where small voltage drops across the resistor are measured to determine the current flow in a circuit.

• Power Regulation:
  This resistor is used in circuits that regulate power, where the low resistance ensures minimal energy loss while maintaining efficient control over the current.

• Voltage Drop Management:
  The 1.5 ohm resistor helps in managing voltage drops in circuits, especially in power supplies and energy-efficient devices.

• General-Purpose Circuits:
  Due to its 1/2 watt power rating and 5% tolerance, this resistor is suitable for general-purpose electronic applications such as amplifiers, signal processing, filtering, and basic circuit protection.

Physical Characteristics:

• Size:
  A 1/2 watt resistor typically measures around 1/4 inch (6.35 mm) in length and 1/8 inch (3.18 mm) in diameter, though sizes can vary slightly depending on the manufacturer.

• Construction:
  The resistor consists of a cylindrical body with metal leads extending from both ends. These leads are inserted into holes on a PCB and soldered in place to ensure a secure and reliable connection.

Summary:
The 1E5 Ohm (1.5E) 1/2W 5% Through Hole Resistor is a highly reliable component designed for low-power applications where precise current flow regulation is required. With a 1.5 ohm resistance, 1/2 watt power rating, and 5% tolerance, this resistor is ideal for current sensing, power regulation, and voltage drop minimization in general-purpose circuits. The through-hole design ensures it can be easily integrated into various types of electronic devices, making it an essential part of many electronic systems.