The **RG2-206S-R15** is a high-precision, thin-film chip resistor manufactured by Susumu. It belongs to the **RG series**, which is widely recognized in the electronics industry for its exceptional reliability, low noise, and high stability over time. --- ### 1. Key Technical Specifications The part number reveals specific characteristics of the component's performance and physical build: | Parameter | Specification | | :--- | :--- | | **Series** | RG (High Reliability Thin Film) | | **Case Size** | 0805 (Metric 2012) | | **Resistance Value** | 20MΩ (20 Megohms) | | **Tolerance** | ±0.01% to ±0.5% (Depending on suffix) | | **Power Rating** | 0.125W (1/8 Watt) | | **Temperature Coefficient (TCR)** | ±5ppm/°C to ±25ppm/°C | | **Operating Temperature** | -55°C to +155°C | --- ### 2. Physical Dimensions (0805 Package) The "20" in the part number indicates the size code equivalent to the 0805 imperial standard. | Dimension | Measurement (mm) | | :--- | :--- | | Length (L) | 2.00 ± 0.20 | | Width (W) | 1.25 ± 0.20 | | Thickness (T) | 0.40 ± 0.10 | --- ### 3. Core Features * **Thin Film Technology:** Unlike thick film resistors, the RG series uses a thin metal film deposited on a ceramic substrate, allowing for much tighter tolerances and lower noise. * **Long-term Stability:** The inorganic passivation layer protects the resistive element from moisture and heat, resulting in a drift of less than ±0.1% after 10,000 hours of use. * **Sulfur Resistance:** Designed to be highly resistant to sulfuration, making it suitable for automotive and industrial environments. * **Low Noise:** Excellent signal-to-noise ratio, making it ideal for precision audio or measurement circuits. --- ### 4. Typical Applications Due to its high precision and stability, this component is commonly used in: 1. **Medical Equipment:** Precision imaging and diagnostic sensors. 2. **Automotive Electronics:** Engine control units (ECU) and battery management systems. 3. **Test & Measurement:** Oscilloscopes, multimeters, and signal generators. 4. **Industrial Automation:** High-accuracy PLC analog inputs. --- ### 5. Part Number Breakdown `RG 2012 N - 206 - S - T5` (Example breakdown) * **RG:** Series name. * **2012:** Dimensions (2.0mm x 1.25mm). * **N:** Temperature Coefficient of Resistance (TCR). * **206:** Resistance code (20 followed by 6 zeros = 20,000,000 $\Omega$). * **S:** Tolerance code.