The **SRP1206-R80Y** is a high-current, shielded power inductor manufactured by **Bourns**. It is designed for high-density power applications where reliability and low electromagnetic interference (EMI) are critical. ### 1. Key Technical Specifications The model number "SRP1206-R80Y" encodes its primary characteristics: | Parameter | Specification | Details | | :--- | :--- | :--- | | **Inductance** | 0.80 µH | Measured at 100 kHz / 1 V | | **Tolerance** | ±20% | Indicated by the "Y" suffix | | **Irms (Heating Current)** | 31.0 Amps | Current causing a 40°C temperature rise | | **Isat (Saturation Current)** | 45.0 Amps | Current causing a 20% drop in inductance | | **DCR (DC Resistance)** | 1.9 mΩ (Max) | Very low resistance to minimize power loss | | **Operating Temp** | -40°C to +150°C | Includes self-heating temperature | --- ### 2. Component Construction & Features * **Shielded Construction:** The inductor uses a carbonyl iron powder core. This design results in low magnetic radiation (low EMI) and high saturation current capabilities. * **Flat Wire Technology:** Unlike standard round-wire inductors, the SRP1206 series often utilizes flat wire to maximize the copper fill factor, which significantly reduces the DC resistance (DCR). * **AEC-Q200 Compliance:** Most parts in this series are automotive-grade, meaning they are tested for high vibration, thermal shock, and mechanical stress. --- ### 3. Physical Dimensions (1206 Series) The "1206" in the part number refers to the physical size (metric-ish approximation for this specific Bourns series, not to be confused with 1206 SMD resistor sizes): | Dimension | Measurement (mm) | | :--- | :--- | | **Length (L)** | 13.5 ± 0.5 mm | | **Width (W)** | 12.5 ± 0.3 mm | | **Height (H)** | 6.0 ± 0.3 mm | --- ### 4. Typical Applications Because of its high current handling and low profile, the SRP1206-R80Y is commonly found in: 1. **DC/DC Converters:** Used as the main energy storage element in buck or boost regulators. 2. **GPU/CPU Power Supplies:** Providing stable current to high-performance processors. 3. **Automotive Electronics:** Infotainment, driver assistance systems (ADAS), and lighting. 4. **Servers/Networking:** High-density power modules where thermal management is a priority. --- ### 5. Identification Code Breakdown ```text SRP 1206 - R80 Y | | | | | | | +-- Tolerance (Y = ±20%) | | +----- Inductance Value (R80 = 0.80 µH) | +----------- Model Size (approx. 12 x 6 mm) +---------------- Series Name (Shielded Power Inductor) ``` ---