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RL1210FR-070R18L

0.18ohm 0.5W current sense resistor, ±1%, 1210 SMD, -55 to 155C, AEC-Q200

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Manufacturer Part：

RL1210FR-070R18L

Package：

1210 (3225 Metric, 3.2x2.5mm)

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Description

Product Overview

The Yageo RL1210FR-070R18L is a 0.18 Ω, 0.5W current sense resistor in a 1210 (3225 metric) package. With ±1% tolerance and low TCR, it provides accurate current measurement for power management and overcurrent protection circuits.

Key Specifications

Resistance 0.18 Ω
Tolerance ±1% (F)
Power Rating 0.5 W (1/2W)
TCR ±50 ppm/°C typ
Overload Current ~1.67A continuous
Operating Temperature -55°C to +155°C
Package 1210 (3225 Metric, 3.2×2.5mm)

Features

  • Thick film technology on ceramic substrate
  • Low 0.18Ω for current sensing
  • ±1% precision tolerance
  • Low TCR for stable measurement
  • 0.5W power handling
  • AEC-Q200 compliant

Applications

  • DC-DC converter current sense
  • Battery charge/discharge monitoring
  • Motor drive overcurrent protection
  • Power management feedback

The RL1210FR-070R18L from Yageo is a 0.18 Ω, 0.5W thick film chip resistor in a 1210 (3225 metric) package, optimized for current sensing applications. With ±1% tolerance and low TCR, it provides accurate voltage drop measurement proportional to load current. The 0.5W power rating supports continuous currents up to approximately 1.67A. AEC-Q200 qualified for automotive applications, it operates from -55°C to +155°C.

As a current sense resistor, the RL1210FR-070R18L is placed in series with the load current path. By Ohm’s law, the voltage drop across the resistor (V = I × R = I × 0.18) is directly proportional to the current. An amplifier or ADC measures this small voltage to determine current magnitude. The low 0.18Ω value minimizes power dissipation (P = I² × R) while still providing a measurable voltage signal. The ±1% tolerance ensures measurement accuracy across production.

Pin Name Type Description
1 Term 1 Passive Resistor terminal 1 (current in)
2 Term 2 Passive Resistor terminal 2 (current out)
  • DC-DC converter output current sensing
  • Battery charge/discharge current monitor
  • Motor overcurrent detection
  • Power supply load regulation feedback
Model Manufacturer Key Difference
WCS20100F180R0FE Vishay Specialized current sense, 1W
CRL1206-FX-R180ELF Bourns 1206 size, 0.25W
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Quality Assurance

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

1. Authorized & Genuine Sourcing Promise

All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

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Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
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Email: info@ic-vendor.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Shipping & Payment

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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5. Local Pickup in Shenzhen

Local pickup service is available for customers in Shenzhen and surrounding areas:
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Contact Information

Email: info@ic-vendor.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

3. Fast Quotation & Order Processing

Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

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6. Global Logistics & Document Services

We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

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Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

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We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@ic-vendor.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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