The designation **61-R6** typically refers to a specific electronic component, most commonly a **Surface Mount Device (SMD) Resistor** or a specific **Ceramic Capacitor** variation, depending on the manufacturer's labeling convention. In the context of electronic components, "R6" usually signifies the resistance value or a specific series/revision. --- ### 1. Common Interpretation: SMD Resistor (61.6 Ohms) In the standard three-digit or four-digit marking system for SMD resistors, the "R" acts as a decimal point. | Parameter | Specification | | :--- | :--- | | **Marking Code** | 61R6 | | **Value** | 61.6 Ohms ($\Omega$) | | **Precision** | Typically 1% (F) or 0.5% (D) | | **Common Package Sizes** | 0603, 0805, 1206 | ### 2. Physical Characteristics These parts are designed for high-density PCB (Printed Circuit Board) layouts. * **Substrate:** Usually Alumina Ceramic. * **Resistive Element:** Thick film or Thin film (Thin film is used for higher precision). * **Terminations:** Multi-layer electrode with a tin (Sn) finish for soldering. * **Protection:** Epoxy or glass-based protective coating. ### 3. Application Examples The 61-R6 value is a non-standard E-series value (often found in E96 or E192 series), meaning it is used for specific circuit tuning: 1. **Current Sensing:** Used in power management to monitor low-level currents. 2. **Voltage Dividers:** Providing a precise reference voltage when paired with another specific resistor. 3. **Signal Conditioning:** Adjusting impedance in RF or high-speed data lines. 4. **LED Drivers:** Limiting current to specific high-brightness LEDs. --- ### 4. Technical Summary Table | Feature | Details | | :--- | :--- | | **Temperature Coefficient** | $\pm 100$ ppm/°C to $\pm 200$ ppm/°C | | **Operating Temperature** | $-55$°C to $+155$°C | | **Voltage Rating** | Dependent on package size (e.g., 0805 is usually 150V) | | **Power Rating** | 0.1W (1/10W) to 0.25W (1/4W) |