Description
Ohm (Ω) 1/4w resistors are passive components used in electrical and electronic circuits to provide resistance. They have a resistance value of ohms (Ω) and a power rating of 1/4 watt. These resistors are used in a wide range of applications, including limiting current, voltage regulation, power dissipation, energy storage, noise reduction, and maintaining stability in a circuit. They are widely used in various electronic devices and systems, including audio amplifiers, power supplies, communication systems, and measuring instruments.
General Applications of Resistors
- Voltage division: A resistor can divide a voltage into a desired value, and regulate the current in a circuit.
- Current limiting: A resistor can be used to limit the current in a circuit to prevent damage to components or electrical fire.
- Power dissipation: Ohm 1/4W resistors can be used to dissipate excess energy as heat in a circuit, to prevent overloading of components.
Some general guidelines:
The selection of the resistor value depends on the specific application and circuit requirements. The resistance value is chosen based on the desired current flow, voltage drop, and power dissipation. Here are some general guidelines:
- 330 Ohm: Can be used in low-power applications, such as to limit the current in an LED circuit.
- 220 Ohm: Commonly used as a current limiting resistor for low-power signals and indicators, such as LEDs.
- 470 Ohm: This can be used similarly to a 220O resistor.
- 560 Ohm: Can be used as a current limiting resistor for high-power signals and indicators, such as high-power LEDs.
- 100 Ohm: Can be used for general-purpose applications, such as voltage divider circuits or current limiting.
- 0 Ohm: Used as a jumper in a circuit board to short out two points in a circuit, it can also be used as a placeholder for a known resistance value.
It’s always best to consult the datasheet or consult with an engineer to confirm the appropriate resistor value for your specific application.
| General Specification | |
| Resistance (O) | (Please Select) |
| Tolerance(%) | 1 |
| Maximum Working Voltage (V) | 250 |
| Maximum Overload Voltage (V) | 500 |
| Temperature Co-efficient | ±50 ppm/°C |
| Operating Temperature Range (°C) | -40 to 150 |
| Mounting Type | Through Hole |
| Length (mm) | 6 |
| Width (mm) | 1.7 |
| Weight (gm) | 12 |
| Shipment Weight | 0.01 kg |
| Shipment Dimensions | 7 x 9 x 0.1 cm |
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