The **RG3-212S-R15** is a high-precision, thin-film chip resistor array manufactured by **Susumu**. It belongs to the RG series, which is renowned for its reliability and stability in high-frequency and high-precision applications. --- ### ## Technical Specifications The following table outlines the primary electronic characteristics of the RG3-212S-R15: | Parameter | Specification | | :--- | :--- | | **Resistor Type** | Thin Film Chip Resistor Array | | **Resistance Value** | Typical values vary by suffix, but the "15" often denotes a specific ratio or value | | **Tolerance** | ±0.1% (Standard for RG series) | | **Temperature Coefficient (TCR)** | ±25 ppm/°C | | **Number of Resistors** | 4 resistors (2-pair network) | | **Power Rating** | 0.063W (1/16W) per element | | **Operating Temperature** | -55°C to +155°C | | **Package Size** | 3216 (Metric) / 1206 (Inch) | --- ### ### Key Electronic Features 1. **Thin Film Technology:** Utilizes a metal film deposited on a ceramic substrate. This provides significantly lower noise and higher precision compared to standard "Thick Film" resistors. 2. **Excellent Ratio Matching:** Because the resistors are built on a single substrate, they track each other perfectly regarding temperature changes. This makes them ideal for voltage dividers where the *ratio* of resistance is more important than the absolute value. 3. **Anti-Sulfur Property:** The RG series is designed with high sulfur resistance, making it suitable for industrial environments where atmospheric pollution might corrode standard components. 4. **High Frequency Performance:** The internal structure is optimized to reduce parasitic capacitance and inductance, allowing the part to function accurately in high-speed signal processing. --- ### ### Common Applications * **Instrumentation:** Signal conditioning circuits and precision amplifiers. * **Automotive:** Control units (ECU) and sensors requiring long-term stability. * **Industrial:** Power supply feedback loops and measurement equipment. * **Audio:** High-end audio equipment where low thermal noise is critical. ---