The 1kΩ (1000 Ohm) Resistor is a fixed through-hole carbon film resistor designed for current limiting, voltage division, pull-up/pull-down circuits, transistor biasing, and signal conditioning. It is one of the most widely used resistor values in Arduino projects, breadboard prototyping, PCB designs, sensor circuits, and DIY electronics.
Features
- Fixed resistance value of 1kΩ
- 1/4W (0.25W) power rating
- ±5% tolerance
- Through-hole axial lead package
- Low noise and stable performance
- Flame-retardant protective coating
- Compatible with breadboards and PCBs
Specifications
| Specification | Value |
|---|---|
| Product Type | Fixed Resistor |
| Resistance Value | 1kΩ (1000Ω) |
| Power Rating | 0.25W (1/4 Watt) |
| Tolerance | ±5% |
| Resistor Type | Carbon Film |
| Temperature Coefficient | ±350 ppm/°C (Typical) |
| Maximum Working Voltage | 250V |
| Maximum Overload Voltage | 500V |
| Mounting Type | Through-Hole |
| Package | Axial Lead |
| Operating Temperature | -55°C to +155°C |
Color Code
| Band | Color | Value |
|---|---|---|
| 1 | Brown | 1 |
| 2 | Black | 0 |
| 3 | Red | ×100 |
| 4 | Gold | ±5% |
Note: The color code Brown – Black – Red – Gold represents a 1kΩ resistor with ±5% tolerance.
Applications
- LED current limiting
- Pull-up and pull-down resistors
- Transistor biasing
- Voltage divider circuits
- Arduino and ESP32 projects
- Breadboard prototyping
- PCB circuit design
- Sensor interface circuits
- DIY electronics projects
Advantages
- Stable resistance value
- Low noise operation
- Compact and lightweight
- Easy to solder
- Reliable performance
- Widely used standard value
- Cost-effective
Size
| Specification | Value |
|---|---|
| Body Length | Approx. 6.3 mm |
| Body Diameter | Approx. 2.3 mm |
| Lead Diameter | Approx. 0.55 mm |
| Lead Length | Approx. 28 mm |
| Weight | Approx. 0.2 g |
Package Includes
- 5 × 1kΩ (1000Ω) 1/4W Carbon Film Resistors
Note: The maximum power dissipation of this resistor is 0.25W (1/4 Watt). Ensure that the applied voltage and current remain within the resistor’s rated limits to prevent overheating. The 1kΩ resistor is one of the most commonly used values for LED current limiting, transistor base resistors, pull-up/pull-down networks, and general-purpose electronic circuits.







Reviews
There are no reviews yet.