5.1 Ohm 5R1 1206 SMD Resistor 1/4W ±1% Tolerance Precision Low-Value Current Sense Chip Resistor

Specifications  

• 5.1 Ohm 5R1 1206 SMD Resistor 1/4W
• Resistance Value: 5.1 Ohm (5R1)  
• Package Size: 1206 (3216 Metric)  
• Power Rating: 1/4W (0.25W)  
• Tolerance: ±1%  
• Technology: Thick Film  
• Operating Temperature Range: -55°C to +155°C  
• Maximum Working Voltage: 200V  
• Dimensions (L x W x H): 3.2 mm × 1.6 mm × 0.55 mm  
• RoHS Compliant: Yes 

Features  

• 1206 package offers superior power handling and thermal performance compared to 0805  
• ±1% tolerance delivers tight accuracy for precise current measurement  
• 1/4W (0.25W) power rating supports moderate current in sensing and limiting circuits  
• Thick film technology ensures low TCR, excellent pulse handling and long-term stability  
• Wide operating temperature range (-55°C to +155°C)  
• RoHS compliant and lead-free manufacturing  
• Excellent solderability and thermal dissipation for reliable reflow assembly 
• The 5.1 Ohm (5R1) 1206 SMD Resistor is a precision low-value resistor optimized for accurate current sensing and control in power electronics, battery systems, LED drivers, and motor applications. Featuring tight ±1% tolerance and 1/4W power rating, it is widely used as a current-sense/shunt resistor in DC-DC converters, battery management systems, motor drivers, LED drivers, power supplies, over-current protection circuits, and any design requiring precise current monitoring with minimal voltage drop.
• It is also highly effective for current limiting in LED arrays, low-resistance dropping in voltage regulators, inrush current limiting, and general low-ohm applications where high accuracy, thermal stability, and reliability are essential. Thick film technology delivers low temperature coefficient of resistance (TCR), excellent pulse and surge capability, low inductance, minimal self-heating drift, and superior long-term stability against humidity, thermal cycling, and aging effects—ensuring consistent and repeatable performance in power electronics, automotive modules, industrial controls, consumer devices, IoT/sensor nodes, and portable equipment.
• The 1206 footprint offers significantly improved power dissipation and thermal performance compared to smaller 0805 sizes while remaining compact for dense PCB layouts, making it suitable for both high-volume automated SMT production lines and manual assembly or repair work. Fully RoHS compliant and manufactured under rigorous quality controls, this resistor is a trusted, high-precision low-value component that engineers depend on for accurate current sensing, efficient power management, and dependable operation in demanding low-resistance applications. 

What is the price of 5.1 Ohm 5R1 1206 SMD Resistor 1/4W ±1% Tolerance in Bangladesh?  

The latest price of 5.1 Ohm 5R1 1206 SMD Resistor 1/4W in Bangladesh starts from Price: ৳21.00 taka for 10 Pcs Resistor. You can buy this product at a better and cheaper price from our website and also you can visit our warehouse between work hours 10am to 8pm.  

Buy 5.1 Ohm 5R1 1206 SMD Resistor 1/4W ±1% Tolerance in Bangladesh from online at Dunia.com.bd.  

In Bangladesh, you can get original 5.1 Ohm 5R1 1206 SMD Resistor 1/4W From Dunia.com.bd. We have few collection of latest Resistor to purchase. Order Electronics Component Online at our website Or Visit our warehouse to get your product at lowest price.

FAQ  

1. What is the resistance value?
   Exactly 5.1 Ohms, marked as 5R1.  
2. What package size is it?
   Standard 1206 SMD (3216 Metric).  
3. How much power can it handle?
   Up to 1/4W (0.25W).  
4. What is the tolerance?
   ±1% for high precision.  
5. What is the maximum working voltage?
   200V.  
6. What temperature range does it support?
   -55°C to +155°C.  
7. Is reflow soldering supported?
   Yes, fully compatible with standard SMT reflow processes.  
8. Is it RoHS compliant?
   Yes, lead-free and meets RoHS standards.  
9. How is the value marked?
   Typically marked “5R1”.  
10. What are the primary applications?
    Current sensing/shunt, LED current limiting, power monitoring, battery management, DC-DC converters, motor control, over-current protection, low-resistance dropping.