The **3216TD8-R** is a high-performance, surface-mount (SMD) power inductor primarily manufactured by **Eaton (formerly Bussmann)**. It belongs to the 3216TD series, known for its high current handling and rugged construction in a compact footprint. --- ### ## Technical Specifications Below are the primary electrical and physical characteristics of the 3216TD8-R: | Parameter | Specification | | :--- | :--- | | **Inductance** | 8.0 µH | | **Tolerance** | ±20% | | **DC Resistance (DCR)** | ~18 mΩ (Max) | | **Rated Current (Irms)** | ~5.3 Amps | | **Saturation Current (Isat)** | ~8.0 Amps | | **Package / Case** | 1206 (Metric 3216) | | **Operating Temperature** | -40°C to +125°C | | **Shielding** | Shielded construction | --- ### ## Key Features * **High Power Density:** Provides a high current rating relative to its small 3.2mm x 1.6mm footprint. * **Magnetic Shielding:** The design minimizes Electromagnetic Interference (EMI), making it suitable for densely packed circuit boards. * **Low DCR:** The low direct-current resistance ensures minimal power loss and reduced heat generation during operation. * **Ferrite Core:** Utilizes a ferrite drum core for stable performance across a wide frequency range. --- ### ## Applications The 3216TD8-R is commonly integrated into the following systems: 1. **DC-DC Converters:** Used as an energy storage element in buck or boost regulators. 2. **Portable Electronics:** Ideal for smartphones, tablets, and wearables due to the small "1206" size. 3. **Noise Filtering:** Acts as a low-pass filter to smooth voltage ripples in power supply lines. 4. **Computing:** Found in motherboards and GPU power phases for localized voltage regulation. --- ### ## Naming Convention Breakdown The part number can be decoded as follows: * **3216:** Refers to the dimensions (3.2mm x 1.6mm). * **TD:** Series designation (High-current shielded inductor). * **8:** Nominal Inductance value (8.0 µH). * **-R:** Indicates RoHS compliance (Lead-free).