The **LPS5030-153MLB** is a high-performance, low-profile power inductor manufactured by **Coilcraft**. It belongs to the LPS5030 series, which is designed for applications requiring high power handling in a compact footprint. --- ### 1. Part Number Breakdown Understanding the alphanumeric code helps identify the specific characteristics of the component: | Segment | Meaning | Value | | :--- | :--- | :--- | | **LPS** | Series Name | Low Profile Shielded Inductor | | **5030** | Dimensions | Approx. 5.0 x 5.0 mm (Footprint) x 3.0 mm (Height) | | **153** | Inductance Code | 15 followed by 3 zeros = 15,000 nH (**15 µH**) | | **M** | Tolerance | ±20% | | **L** | Termination | RoHS compliant silver-palladium-platinum-glass frit | | **B** | Packaging | Machine Ready (Tape and Reel) | --- ### 2. Key Electrical Specifications Below are the typical electrical parameters for this specific part: * **Inductance:** 15 µH * **DCR (Direct Current Resistance):** Max 0.110 Ohms (low resistance minimizes heat loss). * **SRF (Self-Resonant Frequency):** Typ 23 MHz. * **Isat (Saturation Current):** 1.4 A (The current at which inductance drops by 30%). * **Irms (RMS Current):** 1.9 A (The current that causes a 40°C temperature rise). --- ### 3. Technical Features * **Magnetic Shielding:** The part is magnetically shielded, which minimizes EMI (Electromagnetic Interference) and prevents the inductor from affecting nearby sensitive components. * **Low Profile:** At only 3.0 mm high, it is ideal for thin electronic devices like tablets, smartphones, and wearable tech. * **High Current Handling:** Despite its size, it handles relatively high current due to its robust wire-wound construction. --- ### 4. Common Applications This inductor is typically used in power management circuits, including: 1. **DC-DC Converters:** Used as energy storage elements in buck, boost, or SEPIC converters. 2. **Battery Powered Devices:** Ideal for mobile tech due to the balance between size and efficiency. 3. **LED Drivers:** Used to stabilize current in lighting applications. 4. **LCD Displays:** Found in the backlight power circuitry. ---