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High Performance SMT Coupled Inductor SMB Series for DC-DC Power Conversion

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High Performance SMT Coupled Inductor SMB Series for DC-DC Power Conversion
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Features
Specifications
Normal Secondary Current: 50mA
Core Material: Silicon Steel
Rated Load: ≤10VA
Ampere: +0.5%,-0.5%
Security Factor: FS<5
Current Range: 5~1000A
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High Performance SMT Coupled Inductor

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SMB Series SMT Coupled Inductor
Basic Infomation
Place of Origin: China
Brand Name: SHINHOM
Certification: RoHS/ISO/UL/CE/IATF16949/CNAS
Model Number: SMB
Document: SMB Series..pdf
Payment & Shipping Terms
Delivery Time: 2~8weeks
Payment Terms: L/C,T/T
Product Description

The SMB Series SMD Coupled Inductor is a magnetically shielded power inductor designed for DC-DC converters, DC-AC inverters, and other power supply applications. It features a low-profile surface-mount package, high current handling capability, and excellent energy storage performance, making it ideal for power conversion systems that require high efficiency and compact size.

Manufactured with advanced magnetic materials and precision winding technology, the SMB Series offers low DC resistance (DCR) and supports high current ratings of up to 15 Adc. Its magnetically shielded design effectively reduces electromagnetic interference (EMI), ensuring stable performance even in high-density PCB layouts.

Features
  • Magnetically shielded construction – Effectively reduces electromagnetic interference (EMI), making it ideal for noise-sensitive circuits.
  • Low-profile SMD package – Designed for compact, high-density PCB layouts.
  • High current capability – Supports continuous current up to 15 Adc.
  • Low DC resistance (DCR) – Minimizes power loss and improves conversion efficiency.
  • Excellent energy storage performance – Maintains stable inductance under varying load conditions.
  • RoHS compliant – Manufactured using environmentally friendly materials.
  • Tape-and-reel packaging – Compatible with automated SMT assembly.
  • Custom design support – Custom inductance, current ratings, package dimensions, and other specifications are available to meet specific application requirements.
Applications
  • DC-DC Converters – Suitable for buck, boost, and buck-boost converter topologies.
  • DC-AC Inverters – Used in the inverter stage of power conversion systems.
  • Power Supply Circuits – Ideal for input and output filtering to improve power quality and reduce noise.
  • Portable Electronic Devices – Widely used in laptops, tablets, and other portable electronics.
  • Telecommunication Equipment – Designed for base station power modules and communication power systems.
  • Industrial Equipment – Suitable for motor drives, power control systems, and industrial automation applications.
FAQ

Q: What is the primary function of a coupled inductor?

A: A coupled inductor integrates two windings on a single magnetic core to transfer and store energy efficiently between circuits. It is commonly used in DC-DC converters for voltage conversion, energy transfer, and power regulation.

Q: What is the difference between L1 and L2 in the specifications?

A: L1 and L2 represent the inductance of the two individual windings. L1 is measured with the second winding open-circuited, while L2 is measured with the first winding open-circuited.

Q: What does 2 * Lk represent?

A: 2 * Lk is twice the leakage inductance, measured with one winding short-circuited. It indicates the degree of magnetic coupling between the two windings. A lower 2 * Lk value means stronger magnetic coupling and better energy transfer efficiency.

Q: What are Isat1 and Isat2?

A: Isat1 is the DC current that causes the specified reduction in the L (inductance) value. Isat2 is the DC current that causes the specified reduction in 2 * Lk (twice the leakage inductance). Together, these parameters define the saturation current limits of the coupled inductor under different operating conditions.

Tag:

smt power inductors

smd shielded power inductor

surface mount choke

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