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Fixed Inductors

Image Part Number Description / PDF Quantity Rfq
MGV2016101R0M-10

MGV2016101R0M-10

Laird - Performance Materials

FIXED IND 1UH 2.6A 69MOHM SMD

11692
TYA2520102R2M-10

TYA2520102R2M-10

Laird - Performance Materials

FIXED IND 2.2UH 1.5A 155 MOHM

9673
CPI0806KR82R-10

CPI0806KR82R-10

Laird - Performance Materials

FIXED IND 820NH 1.5A 160 MOHM

0
TYS80403R3N-10

TYS80403R3N-10

Laird - Performance Materials

FIXED IND 3.3UH 4.4A 17 MOHM SMD

331
MGV252010SR33M-10

MGV252010SR33M-10

Laird - Performance Materials

FIXED IND 330NH 5.6A 22MOHM SMD

15000
MGV0625220M-10

MGV0625220M-10

Laird - Performance Materials

FIXED IND 22UH 1.8A 215MOHM SMD

3000
TYS252012L2R2M-10

TYS252012L2R2M-10

Laird - Performance Materials

FIXED IND 2.2UH 1.15A 199 MOHM

0
MGV252012S1R0M-10

MGV252012S1R0M-10

Laird - Performance Materials

FIXED IND 1UH 3.9A 44MOHM SMD

7800
MGV05031R0M-10

MGV05031R0M-10

Laird - Performance Materials

FIXED IND 1UH 9.2A 13.7 MOHM SMD

58
CPI1008J4R7R-10

CPI1008J4R7R-10

Laird - Performance Materials

FIXED IND 4.7UH 1.1A 200 MOHM

0
MGV03126R8M-10

MGV03126R8M-10

Laird - Performance Materials

FIXED IND 6.8UH 1.4A 400MOHM SMD

7990
MGV1205220M-10

MGV1205220M-10

Laird - Performance Materials

FIXED IND 22UH 6.5A 58MOHM SMD

1900
TYS252012L3R3M-10

TYS252012L3R3M-10

Laird - Performance Materials

FIXED IND 3.3UH 1.04A 244 MOHM

0
TYA4012R68M-10

TYA4012R68M-10

Laird - Performance Materials

FIXED IND 0.68UH 3.25A 55 MOHM

17998
CPI0805G1R5R-10

CPI0805G1R5R-10

Laird - Performance Materials

FIXED IND 1.5UH 700MA 220 MOHM

0
MGV05036R8M-10

MGV05036R8M-10

Laird - Performance Materials

FIXED IND 6.8UH 4A 76MOHM SMD

0
TYS8040150M-10

TYS8040150M-10

Laird - Performance Materials

FIXED IND 15UH 2.6A 47 MOHM SMD

0
MGV1004470M-10

MGV1004470M-10

Laird - Performance Materials

FIXED IND 47UH 3A 167MOHM SMD

116
TYS3012330M-10

TYS3012330M-10

Laird - Performance Materials

FIXED IND 33UH 460MA 875 MOHM

0
MGV17071R0M-10

MGV17071R0M-10

Laird - Performance Materials

FIXED IND 1UH 52A 2MOHM SMD

150

Fixed Inductors

1. Overview

Fixed inductors are passive electronic components designed to store energy in magnetic fields when electrical current flows through them. Unlike variable inductors, their inductance values remain constant during operation. These components play critical roles in filtering, signal processing, energy storage, and electromagnetic interference (EMI) suppression across modern electronics, including power supplies, communication systems, and automotive electronics.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Wirewound InductorsHigh precision, high current handling, low resistancePower supplies, DC-DC converters
Chip InductorsCompact SMD package, stable performance at high frequenciesMobile devices, RF circuits
Ferrite Bead InductorsEffective high-frequency noise suppressionEMI filtering in digital circuits
Thin-Film InductorsUltra-compact, high Q-factor, tight tolerance5G communication modules, IoT devices

3. Structure and Composition

Typical fixed inductors consist of:

  • Magnetic Core: Made from ferrite, powdered iron, or composite materials to concentrate magnetic flux
  • Coil Structure: Copper wire wound around the core (enamelled or silver-plated)
  • Encapsulation: Molded resin or ceramic coating for mechanical protection and insulation
  • Terminations: Solder-coated ends for PCB mounting (for SMD types) or leaded connections

4. Key Technical Specifications

ParameterDescriptionImportance
Inductance (L)Measured in henrys (H), determines energy storage capacityDefines filtering/energy storage performance
Rated Current (Irated)Maximum DC current before saturationPrevents core saturation and failure
DC Resistance (DCR)Resistance of coil windingsAffects efficiency and thermal performance
Self-Resonant Frequency (SRF)Frequency where inductor behaves as capacitorLimits effective operating frequency range
Q FactorQuality factor indicating efficiencyHigher Q = lower energy losses

5. Application Fields

  • Consumer Electronics: Smartphones, laptops, LED drivers
  • Industrial Equipment: Motor drives, power inverters
  • Automotive Systems: ECU modules, EV battery management
  • Telecom Infrastructure: Base station filters, optical transceivers

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
MurataLQH3NPN100M10 H, 1.2A, 1.8 1.4mm chip inductor
TDKMLZ2012A100T100MHz SRF, 1.0 1.25mm for RF circuits
VishayIHLP2525CZER1R0M1 H, 12A, composite construction
Coilcraft0402DC-103J10 H, 5% tolerance, ultra-low profile

7. Selection Guidelines

Key considerations during selection:

  • Calculate required inductance based on switching frequency and ripple current
  • Verify rated current exceeds maximum operating current by 20-30%
  • Select SRF higher than circuit operating frequency
  • Consider package size vs. thermal dissipation requirements
  • For EMI suppression: Choose ferrite beads with impedance curves matching target frequencies

8. Industry Trends

Current development trends include:

  • Miniaturization: Sub-0.5mm size inductors for wearable devices
  • High-Frequency Operation: Components supporting >10GHz 5G applications
  • Integrated Solutions: Combined inductor-filter modules
  • Material Innovation: Nanocrystalline cores for higher saturation flux
  • Automotive Focus: AEC-Q qualified parts for EV/HEV systems
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