## Understanding the 898-81-R10K Component The **898-81-R10K** is a specific electronic component belonging to the **Resistor Network** category, manufactured primarily by BI Technologies (a brand of TT Electronics). Below is a detailed breakdown of its technical specifications and physical characteristics. --- ### 1. Technical Specifications The part number follows a specific nomenclature that defines its electrical properties: | Feature | Specification | | :--- | :--- | | **Component Type** | Thick Film Resistor Network | | **Resistance Value** | 10k $\Omega$ (indicated by "10K") | | **Tolerance** | $\pm 2\%$ | | **Package Type** | Dual-In-Line Package (DIP) | | **Number of Pins** | 16 Pins | | **Circuit Configuration** | Isolated (indicated by "1") | | **Temperature Coefficient** | $\pm 100 \text{ppm/}^\circ\text{C}$ | | **Power Rating per Resistor** | Approximately 0.125W to 0.20W | --- ### 2. Circuit Configuration: Isolated (Code "1") The "81" in the part number indicates the internal schematic. - In an **Isolated Configuration**, each resistor is independent within the package. - With 16 pins, this component contains **8 individual resistors**. - Each resistor connects two opposite pins (e.g., Pin 1 to Pin 16, Pin 2 to Pin 15, etc.). - There is no common bus or shared connection between the resistors. --- ### 3. Applications These networks are used to save board space and improve manufacturing efficiency compared to using individual discrete resistors. Common uses include: * **Line Termination:** Matching impedance for data lines. * **Pull-up/Pull-down:** Providing logic levels for digital ICs. * **Current Limiting:** Protecting LEDs or interface circuits. * **Gain Setting:** Used in op-amp circuits where matched resistance is required. --- ### 4. Part Number Decoding ```text 898 - 3 - R10K | | | | | +-- Resistance Value (10,000 Ohms) | +------- Circuit Code (1 = Isolated; 3 = Bussed) +------------ Series (898 = 16-pin DIP Thick Film) ```