The part number **10VF-060-R** typically refers to a **PTC (Positive Temperature Coefficient) Resettable Fuse**, specifically from the **VF series** produced by manufacturers like Polytronics or similar circuit protection brands. These components are used for overcurrent protection in electronic circuits, acting as a solid-state equivalent to a traditional fuse but with the ability to reset after the fault is cleared. --- ### Technical Specifications The following table summarizes the key electrical characteristics based on the standard 10VF nomenclature: | Parameter | Specification | Description | | :--- | :--- | :--- | | **Series** | 10VF | Radial Lead (Through-hole) 72V-120V Series | | **I-hold** | 0.60 A (600mA) | Maximum current the device will hold without tripping | | **I-trip** | 1.20 A | Minimum current at which the device will always trip | | **V-max** | 72V - 120V | Maximum voltage the device can withstand without damage | | **I-max** | 40 A | Maximum fault current the device can safely interrupt | | **R-max** | ~0.65 - 1.00 $\Omega$ | Maximum initial resistance at 23°C | | **Package** | Radial Lead | Circular or rectangular disc with two wires | --- ### Key Features and Functionality 1. **Resettable Nature:** Unlike one-time fuses, when an overcurrent occurs, the internal polymer heats up and its resistance increases dramatically (tripping). Once the power is removed and the device cools down, it returns to a low-resistance state. 2. **Safety Standard:** The "-R" suffix usually denotes **RoHS Compliance**, meaning the part is free from hazardous substances like lead and cadmium. 3. **Physical Construction:** It consists of a conductive plastic grain mixed with carbon black, sandwiched between two metal electrodes. 4. **Applications:** * Power supplies and transformers. * Industrial control systems. * Automotive electronics. * Security systems. --- ### Circuit Symbol and Wiring In a schematic, a PTC resettable fuse is represented by a symbol similar to a resistor with a diagonal line or a "U" shape passing through it. ```text F1 (10VF-060-R) -----[ PTC ]----- (In series with Load) ``` ---