Quick Link
Quick Contact
Address
No. 234, Changhuang Road, Changping Town, 523586, Dongguan, Guangdong, China
Tel
86-769-83823890
Our Newsletter
Subscribe to our newsletter for discounts and more.
The "330" Series SMD Power Inductor, representing a precisely calibrated 33 microhenry inductance value, is a high-performance energy storage and filtering component engineered for the demanding requirements of modern switching mode power supplies (SMPS) and DC-DC converters.
| Technical Parameter | Standard Industrial Range / Value |
|---|---|
| Product Marking Code | 330 (Standard 33µH Series) |
| Nominal Inductance (L) | 33.0µH ± 20% (@ 100kHz / 1V) |
| Saturation Current (Isat) | 0.8A - 7.0A (Based on 30% Inductance Drop) |
| Heating Current (Irms) | 0.6A - 6.5A (Based on 40°C Temperature Rise) |
| DC Resistance (DCR) | 45mΩ - 450mΩ (Footprint Size Dependent) |
| Self-Resonant Frequency (SRF) | 4MHz - 20MHz (Optimized for Filtering) |
| Core Material Selection | High-Saturation Low-Loss Mn-Zn Ferrite |
| Operating Frequency | 100kHz - 1.5MHz (Wideband Support) |
| Operating Temperature | -40°C to +125°C (Ambient + Self-Heating) |
| Size Footprints Available | 7x7mm / 10x10mm / 12x12mm (Typical) |
| Insulation Rating | Class B (130°C) or Class F (155°C) Available |
| Standard Compliance | RoHS, REACH, International Safety Compliant |
Complete ferrite enclosure contains magnetic flux within the component's housing, preventing interference with surrounding analog signal paths.
Multi-spindle CNC winding machines monitor wire tension and speed in real-time, preventing internal shorts and ensuring consistent inductance values.
Utilizes high-purity OFC for lowest possible DC resistance and superior thermal conductivity during continuous full-load operation.
Varnish cycle creates moisture-proof, vibration-resistant monolithic block that eliminates audible "whining" from magnetostriction.
Primary choice for power stage of high-definition televisions, gaming consoles, and smart home hubs. Low-profile shielded design fits into cramped product enclosures while keeping EMI emissions within legal limits.
Provides stable energy storage for high-wattage server power units and industrial DC-DC converters. Robust isolation ensures control electronics receive clean power in harsh electromagnetic environments.
Relied upon for high isolation and low noise floor in medical diagnostic tools, patient monitors, and imaging systems. Ensures delicate analog physiological sensors are not distorted by power supply switching.
Provides stable power for solar micro-inverters, battery management systems, and wireless mesh network gateways. Moisture-proof encapsulation and high thermal mass ensure long-term reliability in unconditioned environments.
Chipsen Electronics is a professional manufacturer specializing in high-performance transformers and magnetic components, with more than 26 years of manufacturing expertise. Founded in 2000, we operate 4 production bases covering over 7,200 square meters with 400+ skilled employees.



