1206 Size 2.21Ω 1W Anti-Sulfurated Resistor with Wide Temperature Range and RoHS Compliance
Price:
Negotiable
MOQ:
5000
Delivery Time:
3-5 work days
Brand:
Ellon
Product Description
1206 2.21Ω 1W 1% EAM16FT2R21DES Anti-Sulfurated Resistor
In the demanding world of modern electronics, component failure is not an option. Whether in industrial control systems, automotive electronics, or communication infrastructure, the reliability of every single component dictates the longevity and performance of the entire system. Among the myriad of passive components, resistors are fundamental, and their failure can lead to catastrophic system downtime. This is where specialized components, like the 1206 2.21Ω 1W 1% EAM16FT2R21DES anti-sulfurated resistor, prove their critical value.
Technical Specifications
| Specification | Value |
|---|---|
| Model | EAM16FT2R21DES |
| Resistance Value | 2.21Ω |
| Tolerance | ±1% |
| Power Rating | 1W |
| Package Size | 1206 (3.2mm x 1.6mm) |
| Temperature Coefficient (TCR) | ±50 ppm/°C |
| Resistance Material | Metal Film |
| Operating Temperature Range | -55°C to +155°C |
Understanding the Core Specifications: 1206 2.21Ω 1W 1%
The part number EAM16FT2R21DES systematically reveals the resistor's essential electrical and physical characteristics.
- 1206 Package Size: This refers to the standard surface-mount device (SMD) footprint, measuring approximately 3.2mm in length and 1.6mm in width. The 1206 package is a popular choice for applications requiring a higher power rating than smaller sizes like 0805 or 0603 can offer, while still maintaining a manageable footprint for automated PCB assembly.
- 2.21Ω (2.21 Ohm) Resistance Value: This is the nominal electrical resistance value of the component. A 2.21Ω resistor is commonly used in various circuit functions, including current limiting, inrush current suppression, pull-up/pull-down tasks, and as a sense resistor in power management circuits.
- 1W Power Rating: This specifies the maximum amount of power the resistor can dissipate as heat without being damaged or significantly drifting from its specified resistance value.
- 1% Tolerance (F): Denoted by the "F" in the part code (EAM16FT2R21), a 1% tolerance means the actual resistance of the component will not deviate by more than ±1% from its stated 2.21Ω value.
Key Features and Technological Advantages
- Exceptional Anti-Sulfuration Capability: Constructed with special sulfur-resistant termination materials, often incorporating palladium or other noble metals, which are inert to sulfur compounds.
- Low Inductance Design: The metal film construction is designed to minimize parasitic inductance, ensuring stable and predictable performance in high-frequency applications.
- High-Quality Metal Film Construction: The resistive element is a stable metal film, known for its excellent long-term stability, low noise, and low temperature coefficient of resistance (TCR).
- Compliance with RoHS, REACH, and Lead-Free Requirements: Manufactured in full compliance with global environmental regulations.
Typical Applications
- Automotive Electronics: Engine control units (ECUs), sensors, and lighting systems exposed under the hood.
- Industrial Automation: Programmable logic controllers (PLCs), motor drives, and sensor interfaces in manufacturing plants.
- Telecommunications Base Stations: Power amplifiers and filtering circuits in equipment exposed to outdoor, polluted environments.
- Power Supplies: Used as a current-sense or inrush current limiting resistor in switch-mode power supplies (SMPS).
- Consumer Electronics in Harsh Environments: Appliances or devices used in coastal or industrial areas with high atmospheric sulfur.
Conclusion
The 1206 2.21Ω 1W 1% EAM16FT2R21DES is far more than just a simple resistor. It is a highly engineered solution designed to address the critical challenge of sulfur-induced corrosion in electronics. Its robust construction, combining a precise 2.21 Ohm resistance, a substantial 1W power rating, and a tight 1% tolerance with superior anti-sulfuration and low-inductance properties, makes it an indispensable component for designers building reliable, long-lasting electronic systems for the most challenging environments.
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