The **LPS5030-155MLB** is a high-performance, low-profile power inductor manufactured by **Coilcraft**. It belongs to the LPS5030 series, which is designed for applications requiring a small footprint and high current handling capabilities. --- ### 1. Part Number Breakdown Understanding the alphanumeric code helps identify the specific characteristics of the component: | Segment | Meaning | Details | | :--- | :--- | :--- | | **LPS** | Series Name | Low Profile Shielded Inductor | | **5030** | Dimensions | 5.0 x 5.0 mm (Footprint) x 3.0 mm (Height) | | **155** | Inductance Value | 1,500 µH (1.5 mH) | | **M** | Tolerance | ±20% | | **L** | Termination | RoHS compliant Silver-Palladium-Platinum-Glass Frits | | **B** | Packaging | 7" machine-ready reel (600 parts per reel) | --- ### 2. Technical Specifications Below are the primary electrical and physical characteristics of the LPS5030-155MLB: | Parameter | Specification | | :--- | :--- | | **Inductance** | 1.5 mH (1500 µH) | | **DC Resistance (DCR Max)** | 11.20 Ohms | | **Self-Resonant Frequency (SRF)** | 1.3 MHz | | **Isat (Saturation Current)** | 0.15 A (10% drop) | | **Irms (Heating Current)** | 0.18 A (40°C rise) | | **Operating Temperature** | -40°C to +125°C | | **Shielding** | Magnetically Shielded | --- ### 3. Key Features & Applications #### Features * **Low Profile:** Standing at only 3.0 mm, it is ideal for height-constrained PCB designs. * **Magnetic Shielding:** The component is shielded to minimize Electromagnetic Interference (EMI), which is critical in dense circuit layouts. * **Robustness:** High vibration resistance and wide temperature range make it suitable for industrial use. #### Applications * **DC-DC Converters:** Used in buck, boost, and SEPIC converters. * **Filtering:** High inductance values make it effective for noise suppression in power lines. * **Portable Electronics:** Used in handheld devices where space is at a premium. * **LED Drivers:** Often found in backlight circuits for displays. --- ### 4. Footprint and Land Pattern To integrate this part into a PCB design, use the following standardized dimensions: ```text Dimensions (mm): - Length: 4.90 (+0.3 / -0.1) - Width: 4.90 (+0.3 / -0.1) - Height: 3.00 (Max) Recommended Land Pattern: - Pad Width: 1.88 mm - Pad Length: 1.02 mm - Space between pads: 3.20 mm ```