MHR16FBJ-R
AI

Based on the part number **MHR16FBJ-R**, this component is a **high-voltage, thick-film chip resistor** typically manufactured by companies like **RoyalOhm** or similar electronic component providers. These resistors are designed to handle significantly higher voltages than standard general-purpose resistors.
### Technical Specifications
The alphanumeric code provides specific details regarding the resistor's physical and electrical characteristics:
| Parameter | Specification | Description |
| :--- | :--- | :--- |
| **Series** | MHR | Metal High Voltage Thick Film |
| **Size / Package** | 1206 (Metric 3216) | Dimensions: 3.2mm x 1.6mm |
| **Power Rating** | 1/4W (0.25 Watt) | Power dissipation at 70°C |
| **Tolerance** | ±1% (F) | High precision resistance range |
| **Resistance Value** | 1.6MΩ (16FB) | 1.6 Mega-Ohms |
| **Voltage Rating** | Up to 500V - 800V | High working voltage capability |
| **Packaging** | -R | Tape & Reel (7 inch reel) |
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### Key Features
* **High Voltage Handling:** Unlike standard 1206 resistors (usually rated for 200V), the MHR series is engineered with a specialized resistive element pattern to prevent arcing and electrical breakdown at high potentials.
* **Thick Film Technology:** Uses a metal glaze layer fired onto a high-grade ceramic body, ensuring stability and durability.
* **Precision:** The 1% tolerance (indicated by the 'F') makes it suitable for voltage sensing and feedback loops where accuracy is critical.
* **Reliability:** Typically features a multilayer electrode construction and a protective overcoat to resist moisture and environmental stress.
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### Common Applications
Because of its high voltage rating and precision, the **MHR16FBJ-R** is frequently found in the following circuits:
1. **Power Supplies:** Used in the primary side of Switched-Mode Power Supplies (SMPS) for voltage startup.
2. **Inverters:** Essential for DC-AC conversion systems in solar or industrial motors.
3. **Voltage Dividers:** Used to scale down high voltages for measurement by microcontrollers or Op-Amps.
4. **Lighting Ballasts:** Found in high-intensity discharge (HID) or LED driver circuits.
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### Comparison with Standard Resistors
| Feature | Standard 1206 Resistor | MHR16FBJ-R (High Voltage) |
| :--- | :--- | :--- |
| **Max Working Voltage** | ~200V | ~500V+ |
| **Insulation** | Standard Glass Overcoat | Specialized High-Dielectric Layer |
| **Typical Use** | Logic/Signal levels | Power/Mains interface |
- ⤷What is the maximum surge voltage capacity for the MHR series?
- ⤷ Are there alternative package sizes like 0805 for this high voltage series?
- ⤷ How does temperature coefficient (TCR) affect the resistance of this part?