## SRP3012CC-R22M: Electronic Component Specifications The **SRP3012CC-R22M** is a high-current, shielded power inductor manufactured by **Bourns**. It is specifically designed to meet the demands of modern high-density power conversions, such as those found in consumer electronics and industrial DC/DC converters. --- ### 1. Key Technical Specifications The following table outlines the primary electrical and physical characteristics of this part: | Parameter | Value | Details | | :--- | :--- | :--- | | **Inductance** | 0.22 µH | Rated at 100 kHz / 1V | | **Tolerance** | ±20% | Denoted by the "M" suffix | | **Irms (Heating Current)** | 9.0 A | Current causing a 40°C temp rise | | **Isat (Saturation Current)** | 11.5 A | Current causing 30% inductance drop | | **DCR (DC Resistance)** | 8.2 mΩ (Typ) | 9.5 mΩ (Max) | | **Operating Temp** | -55 to +125 °C | Including self-heating | | **Size Code** | 3012 | Approx. 3.0 x 3.0 x 1.2 mm | --- ### 2. Component Construction & Features * **Shielded Construction:** The inductor uses a metal alloy powder core. This provides magnetic shielding, which minimizes electromagnetic interference (EMI) with surrounding components. * **Low Profile:** With a height of only 1.2 mm, it is ideal for ultra-thin devices like smartphones, tablets, and SSDs. * **High Saturation Current:** The metal powder technology allows for "soft" saturation, meaning the inductance doesn't drop abruptly when current spikes occur. * **Carbonyl Powder Core:** This material choice ensures stability across a wide temperature range and high switching frequencies. --- ### 3. Part Number Breakdown Understanding the nomenclature helps in identifying similar parts in the series: | Segment | Meaning | | :--- | :--- | | **SRP** | Series Name (High Current Power Inductor) | | **3012** | Dimensions (3.0mm x 3.0mm x 1.2mm) | | **CC** | Material/Design Revision Code | | **R22** | Inductance Value (R22 = 0.22 µH) | | **M** | Tolerance (M = ±20%) | --- ### 4. Typical Applications The SRP3012CC-R22M is commonly found in: 1. **DC/DC Converters:** For voltage regulation in mobile devices. 2. **Power Supplies:** Low-profile VRM (Voltage Regulator Module) applications. 3. **Laptops/Tablets:** Distributed power systems on motherboards. ---