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Stable Shielded 330 SMD Power Inductor for Efficient DC-DC Power Converter

Place of Origin: China,Guangdong
Brand Name: Chipsen
Certification: ISO9001:2015, IATF16949:2016, U/L, ROHS, CQC, CE, cUL
Model Number: 330
Minimum Order Quantity: 1000pcs
Price: $0.2-0.55/pieces,1000-10000pcs
Packaging Details: Carrier tape & reel + export cartons; securely palletized. Optimized for SMT. Custom available.
Delivery Time: 7-14 work days (Negotiable)
Payment Terms: T/T
Supply Ability: 10000pcs
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Specifications
Highlight Features

Stable Shielded SMD power inductor

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330 SMD inductor for DC-DC converter

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Efficient SMD power inductor

Inductance Range:
33uH
Working Frequency Range:
100KHz - 1MHz High Frequency
Output Current:
0.5A - 10A High Current
Components:
Ferrite Core, Copper Wire, Shielding Case
Shape Type:
SMD Surface Mount Type
OEM/ODM:
Acceptable
Warranty:
5 Years
Highlight:
High Power Density & Efficiency Magnetically Shielded Low-Noise Design Superior Thermal & SMT Stability
Product Description
Stable Shielded 330 SMD Power Inductor for Efficient DC-DC Power Converter
High-Efficiency Energy Node: 33µH (330) SMD Shielded Power Inductor
Product Introduction & Strategic Selling Points

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.

Strategic Selling Points
  • Total Magnetic Shielding Architecture: Closed-loop magnetic circuit that virtually eliminates radiated EMI, allowing for denser component placement
  • Massive Saturation Current Capacity: Maintains 33µH inductance value even during significant current surges
  • Ultra-Low DC Resistance (DCR): Optimized winding geometry minimizes resistive losses for higher conversion efficiency
  • Soft Saturation Characteristic: Gradual saturation curve provides safety margin during over-current events
  • Superior Thermal Stability: Rated for wide-ranging industrial environments with high-temperature insulation systems
  • Precision Automated SMT Design: Flat rectangular top surface for high-speed automated vacuum pick-and-place
  • Exceptional Signal Integrity: Optimized for switching frequencies from 100kHz to 1.5MHz

Detailed Technical Parameters & Engineering Analysis
Technical ParameterStandard Industrial Range / Value
Product Marking Code330 (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 SelectionHigh-Saturation Low-Loss Mn-Zn Ferrite
Operating Frequency100kHz - 1.5MHz (Wideband Support)
Operating Temperature-40°C to +125°C (Ambient + Self-Heating)
Size Footprints Available7x7mm / 10x10mm / 12x12mm (Typical)
Insulation RatingClass B (130°C) or Class F (155°C) Available
Standard ComplianceRoHS, REACH, International Safety Compliant

Product Features & Advanced Manufacturing Advantages
Ferrite-on-Ferrite Shielding Geometry

Complete ferrite enclosure contains magnetic flux within the component's housing, preventing interference with surrounding analog signal paths.

High-Precision Automated Winding

Multi-spindle CNC winding machines monitor wire tension and speed in real-time, preventing internal shorts and ensuring consistent inductance values.

High-Purity Oxygen-Free Copper

Utilizes high-purity OFC for lowest possible DC resistance and superior thermal conductivity during continuous full-load operation.

Resin Impregnation and Bonding

Varnish cycle creates moisture-proof, vibration-resistant monolithic block that eliminates audible "whining" from magnetostriction.


Strategic Product Applications across Global Industries
Consumer Electronics & Smart Appliances

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.

Industrial Automation & Data Center Power

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.

Medical Device & Laboratory Equipment

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.

Renewable Energy & Smart Grid

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.


Company Introduction & Quality Assurance Excellence
Company Introduction

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.

Company Advantages
  • Full Service Customization: Rapid design support within 24-48 hours based on your specifications
  • Extensive Product Portfolio: 200+ product types including transformers, inductors, filters, and common mode chokes
  • Advanced Manufacturing Capability: Automated winding and assembly machines improving efficiency by 8x
  • Strict Quality Control System: 100% testing procedures including electrical performance and reliability tests
  • High Voltage & High Frequency Expertise: Specialized in 5KV to 40KV transformers and high-frequency power solutions
  • Flexible MOQ & Fast Lead Time: Support from prototype to bulk production with 7-15 day lead times
Frequently Asked Questions
  • Q: How long does it take to prepare samples?
    A: 3-5 days for new samples, 1 day for samples in stock.
  • Q: How are samples shipped?
    A: We help choose the most economical shipping method when customers cover freight costs.
  • Q: Do you provide technical support for customized products?
    A: Yes, our R&D team provides free technical support for customizations in voltage, power, inductance, and dimensions.
  • Q: Do you accept flexible minimum order quantities?
    A: We support flexible MOQ based on your industry and product requirements.
  • Q: Can you ensure proper packaging for large sea shipments?
    A: Yes, we provide goods packed in strong export cartons on wooden pallets with shrink-wrap protection.
330 SMD Power Inductor technical view showing shielded constructionClose-up of 330 SMD Power Inductor terminals and markings330 SMD Power Inductor side profile and dimensions330 SMD Power Inductor top view showing component labeling
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