Product Overview
1.2K OHM ±5% 1/4W Through Hole Resistor – Complete Specifications
This 1.2K ohm (1,200Ω) through hole resistor delivers reliable performance across diverse electronic applications. Featuring a 1/4 watt (0.25W) power rating and ±5% tolerance, this carbon film resistor is engineered for both prototype development and commercial production environments. The component comes with lead-free, RoHS-compliant construction, meeting international electronic component standards.
Key Technical Specs:
- Resistance: 1,200 ohms (1.2KΩ)
- Power Rating: 1/4 watt (250mW)
- Tolerance: ±5%
- Type: Carbon film axial-leaded
- Voltage Rating: 350V maximum
- Temperature Coefficient: ±200ppm/°C
- RoHS Compliant: Yes
- Lead-Free: Yes
Section 2: Applications
Where to Use 1.2K Ohm 1/4W Through Hole Resistors
These versatile resistors are perfect for:
- Current Limiting Circuits: Protect LEDs and sensitive semiconductor components from overcurrent damage
- Voltage Divider Networks: Precisely scale voltage levels in measurement and sensor applications
- Signal Conditioning: Adapt sensor outputs for microcontroller input compatibility
- Breadboard Prototyping: Ideal lead diameter for solderless breadboard insertion without mechanical stress
- PCB Assembly: Professional-grade for both single-layer and multi-layer board applications
- Audio Circuits: Biasing and impedance matching in amplifier circuits
- Power Supply Circuits: Filtering and voltage regulation applications
Section 3: Physical Characteristics
Build Quality & Specifications
The 1.2K ohm resistor features robust construction with:
- Cylindrical body with color-coded bands for easy value identification (Brown-Red-Red-Gold pattern)
- Sturdy tinned copper leads (0.55mm diameter) providing excellent solderability and repeatability
- Flame-retardant coating for enhanced safety in demanding environments
- Easy-read color coding on tan background for quick identification without multimeter verification
- Tight tolerance ensuring circuit performance within critical applications
Section 4: Why Choose This Resistor
Superior Performance & Reliability
Proven Reliability: Tested across thousands of electronics projects and commercial applications
Cost-Effective Solution: Affordable pricing without compromising quality standards
Easy Identification: Color-coded bands eliminate measurement errors during assembly
Bulk Availability: Purchase individual units or bulk quantities for manufacturing operations
Fast Delivery: In-stock inventory ensures quick order fulfillment
Quality Assurance: Each batch tested for resistance accuracy and power rating verification
Section 5: Technical Advantages
Carbon Film Construction Benefits
The carbon film design provides:
- Superior temperature stability compared to composition resistors
- Lower noise characteristics ideal for sensitive analog circuits
- Excellent high-frequency performance
- Reliable long-term stability in diverse environmental conditions
- Standard form factor compatible with all PCB design software






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