5.1K Ohm 512 1206 SMD Resistor 1/4W 1% Tolerance Precision Chip Resistor

Description

Specifications

• 5.1K Ohm 512 1206 SMD Resistor 1/4W
• Resistance: 5.1K Ohms (5100 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: 5.1K Ohms (5100 Ohms, 512 marking)
• Case Size: 1206 (3.2mm x 1.6mm)
• Power Rating: 1/4W (0.25W)
• Tolerance: ±1% high precision
• Thick film technology – low noise and excellent stability
• Compact SMD footprint for dense circuit board designs
• Wide operating temperature: -55°C to +155°C
• RoHS compliant and lead-free
• Superior solderability and long-term reliability
• The 5.1K Ohm 512 1206 SMD Resistor is a precise and widely appreciated value in analog and mixed-signal designs. With 5,100 ohms resistance and tight ±1% tolerance, it is particularly useful in voltage divider networks, op-amp gain-setting and feedback loops, pull-up/pull-down configurations for logic levels, current-to-voltage conversion, sensor signal conditioning, and many other precision applications where exact ratios matter.Rated for 1/4W (0.25W) power dissipation, it offers dependable performance with minimal self-heating in standard circuits. The 1206 package is one of the most popular SMD sizes – easy for both automated SMT placement and manual prototyping/repair work. Commonly used in consumer electronics, industrial sensors, audio circuits, power supplies, IoT modules, Arduino, Raspberry Pi, ESP32 projects, and professional PCB manufacturing.
• Built using thick film technology, this resistor provides low temperature drift, very low excess noise, and strong long-term stability even under varying environmental conditions. The “512” marking follows the standard 3-digit SMD code: 51 × 10² = 5,100 Ohms. RoHS compliant and fully compatible with lead-free reflow soldering processes.
• Ideal for engineers, hobbyists, repair technicians, and production runs—this 5.1KΩ 1% 1206 SMD resistor delivers consistent accuracy, value, and availability in bulk reels or small packs.

What is the price of 5.1K Ohm 512 1206 SMD Resistor 1/4W ±1% Tolerance in Bangladesh?  

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FAQ

1. What does the 512 code mean on this SMD resistor?
   512 = 51 × 10² = 5,100 Ohms = 5.1KΩ
2. What is the power rating of this resistor?
   1/4W (0.25 watts)
3. Is it ±1% tolerance or the looser 5% version?
   This is the high-precision ±1% tolerance version
4. What are the physical dimensions of 1206?
   Approximately 3.2 mm × 1.6 mm × 0.55 mm
5. Can it be used in elevated temperature environments?
   Yes – typical operating range -55°C to +155°C
6. Is 5.1K a common value in op-amp circuits?
   Yes – frequently used in feedback networks and gain setting for op-amps and comparators
7. What technology does this resistor use?
   Thick film – excellent for precision at a reasonable cost
8. How should these 1206 resistors be soldered?
   Reflow oven or hot-air station ideal; fine-tip iron suitable for hand soldering
9. Why choose 1206 over smaller packages?
   Better power handling (0.25W) and easier to hand-solder/inspect
10. Where can I purchase bulk quantities?
    DigiKey, Mouser, LCSC, Element14, Tayda, or local electronics suppliers