The **3515AL-S14-R** is a specific part number typically associated with high-precision electronic components, most commonly identified as a **Rotary Potentiometer** or a **Position Sensor** (often manufactured by brands like BI Technologies / TT Electronics or similar manufacturers). Below is a technical breakdown of its specifications and electronic characteristics. --- ### 1. General Specifications The part number follows a specific nomenclature that defines its physical and electrical properties. | Feature | Specification Details | | :--- | :--- | | **Component Type** | Precision Potentiometer / Variable Resistor | | **Technology** | Hybrid or Wirewound element | | **Mechanical Rotation** | Often 3600° (10-turn) or Continuous, depending on sub-series | | **Mounting Type** | Panel Mount (Bushing) | | **RoHS Status** | Compliant (Indicated by the **-R** suffix) | --- ### 2. Breakdown of the Part Number While naming conventions vary slightly by manufacturer, the code usually breaks down as follows: * **3515**: The series family. This defines the physical size (housing diameter) and the internal resistive technology. * **AL**: Often signifies the bushing/shaft material or a specific linear output characteristic (Linearity). * **S14**: * **S**: May denote a "Slotted" shaft or "Special" mechanical configuration. * **14**: Typically refers to the shaft length or diameter in specific units (e.g., 1/4 inch or 14mm). * **-R**: Indicates **RoHS compliance** (Lead-free). --- ### 3. Electrical Characteristics These components are designed for industrial control systems where high reliability is required. | Parameter | Typical Value | | :--- | :--- | | **Resistance Range** | Commonly 1kΩ to 100kΩ (Check specific label) | | **Resistance Tolerance** | ±5% to ±10% | | **Linearity** | ±0.25% (Standard Precision) | | **Power Rating** | 1.0W to 2.0W at 70°C | | **Dielectric Strength** | 1,000V AC | | **Insulation Resistance** | 1,000 MΩ minimum | --- ### 4. Typical Applications The **3515AL-S14-R** is utilized in environments where precise voltage division or position feedback is necessary: 1. **Industrial Controls:** Setting parameters on motor drives or PLC analog inputs. 2. **Medical Equipment:** Calibration dials for imaging or dosage machinery. 3. **Test & Measurement:** Used in laboratory power supplies for fine-tuning voltage/current. 4. **Avionics:** Control surfaces or cockpit instrumentation interface. --- ### 5. Physical Construction ```text [ Shaft ] <-- S14 configuration (Length/Slot) | [ Bushing ] <-- Threaded for panel mounting | [ Housing ] <-- 3515 Series body (contains resistive element) | [ Terminals ] <-- Solder lugs or PC pins for electrical connection ```