The part number **HT-35V561MIEE-R5** refers to a high-temperature, surface-mount (SMD) aluminum electrolytic capacitor. This component is typically used in power supply filtering, automotive electronics, and industrial applications where reliability under heat is critical. --- ### 1. Part Number Breakdown Based on standard industry naming conventions (often used by manufacturers like Lelon or similar vendors), the code can be deconstructed as follows: | Code Segment | Meaning | Specification | | :--- | :--- | :--- | | **HT** | Series Name | High Temperature / Low Impedance Series | | **35V** | Voltage Rating | 35 Volts (DC) | | **561** | Capacitance Code | 560 µF (56 x 10^1) | | **M** | Tolerance | ±20% | | **IEE** | Case Size Code | Typically refers to dimensions (e.g., 10x10.5mm) | | **R5** | Packaging/Special | Tape & Reel / RoHS Compliant | --- ### 2. Technical Specifications These are the typical electrical characteristics for this class of capacitor: * **Capacitance:** 560 microfarads (µF). * **Rated Voltage:** 35V DC (Surge voltage usually ~40V). * **Operating Temperature:** Generally rated for **-55°C to +105°C** (or +125°C depending on specific series qualification). * **Mounting Type:** SMD (Surface Mount Device) / V-Chip. * **Polarity:** Polarized (Has a designated negative terminal, usually marked with a black stripe on the top). --- ### 3. Key Features & Applications #### Features * **Low ESR:** Low Equivalent Series Resistance allows the part to handle higher ripple currents without overheating. * **Reflow Soldering Compatible:** Designed to withstand the high temperatures of automated SMT assembly lines. * **Long Life:** Often rated for 2,000 to 5,000 hours at its maximum temperature limit. #### Applications 1. **DC-DC Converters:** Smoothing output voltage in power modules. 2. **Automotive:** Used in infotainment systems or ECU power filtering. 3. **Industrial LED Drivers:** Providing stable current in high-heat environments. 4. **Telecommunications:** Base station power management. --- ### 4. Comparison Table: Standard vs. HT Series | Feature | Standard Electrolytic | HT-Series (HT-35V561MIEE) | | :--- | :--- | :--- | | **Temp Range** | 85°C | 105°C - 125°C | | **Stability** | Moderate | High stability over frequency | | **Lifespan** | Standard | Extended life at high load | ---