1.2K Ohm 122 1206 SMD Resistor 1/4W 1% Tolerance Precision Chip Resistor

Description

Specifications

• 1.2K Ohm 122 1206 SMD Resistor 1/4W
• Resistance: 1.2K Ohms (1200 Ohms)
• Tolerance: ±1%
• Power Rating: 0.25W (1/4W)
• Package/Case: 1206 (3216 Metric)
• Technology: Thick Film
• Operating Temperature: -55°C ~ +155°C
• Temperature Coefficient: ±100ppm/°C typical
• Dimensions: 3.2mm x 1.6mm x 0.55mm (approx.)
• Mounting Type: Surface Mount
• Packaging: Reel or Cut Tape
• RoHS Status: Compliant

Features

• Resistance Value: 1.2K Ohms (1200 Ohms, 122 marking)
• Case Size: 1206 (3.2mm x 1.6mm)
• Power Rating: 1/4W (0.25W)
• Tolerance: ±1% high precision
• Thick film technology for reliable stability
• Compact design for high-density circuit boards
• Wide operating temperature: -55°C to +155°C
• RoHS compliant, lead-free
• Low noise, good solderability and long-term reliability
• The 1.2K Ohm 122 1206 SMD Resistor is a high-precision surface-mount resistor designed for accurate performance in modern electronics. Offering 1,200 Ohms resistance with tight ±1% tolerance, it is excellent for current limiting in LED circuits, voltage dividers, biasing networks, sensor interfaces, and many general-purpose applications.With a 1/4W (0.25W) power rating, it provides dependable operation in compact PCB layouts without excessive heat buildup. The industry-standard 1206 package size makes it compatible with automated pick-and-place machines and is commonly found in consumer devices, IoT modules, power management circuits, automotive electronics, and maker projects including Arduino and Raspberry Pi.
• Constructed using thick film technology, this resistor delivers low temperature drift, minimal noise, and superior long-term stability. The “122” SMD code follows the standard formula: 12 × 10² = 1,200 Ohms. Fully RoHS compliant and suitable for lead-free reflow soldering processes.
• Ideal for production runs, prototyping, repairs, or educational use—this 1.2KΩ 1% 1206 SMD resistor combines precision, reliability, and affordability. Available in reels for bulk orders or small packs for hobbyists.

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FAQ

1. What does 122 mean on this 1206 SMD resistor?
   122 is the 3-digit code: 12 × 10² = 1,200 Ohms (1.2KΩ).
2. What is the power rating?
   1/4W (0.25 watts).
3. Is it really ±1% tolerance?
   Yes, precision ±1% version (tighter than common 5%).
4. What are the physical dimensions?
   Approx. 3.2 mm × 1.6 mm × 0.55 mm.
5. Suitable for high-temperature use?
   Yes, operating range typically -55°C to +155°C.
6. Good for LED current limiting?
   Yes, 1.2KΩ is a popular value for many LED setups (especially with 3.3V–12V supplies).
7. What technology is used?
   Thick film – offers good balance of cost, precision and reliability.
8. How to solder 1206 resistors?
   Reflow oven, hot-air rework station, or fine-tip hand soldering.
9. Why choose 1206 over 0805?
   Larger size = higher power handling (0.25W vs ~0.125W).
10. Where to buy in bulk?
    Major distributors: DigiKey, Mouser, LCSC, Element14, or local electronics markets.