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Fixed Inductors

Image Part Number Description / PDF Quantity Rfq
TYS3012220M-10

TYS3012220M-10

Laird - Performance Materials

FIXED IND 22UH 530MA 645 MOHM

0
TYS4012101M-10

TYS4012101M-10

Laird - Performance Materials

FIXED IND 100UH 250MA 2.21 OHM

3911
MGV1207330M-10

MGV1207330M-10

Laird - Performance Materials

FIXED IND 33UH 8A 58MOHM SMD

1046
MGV0503330M-10

MGV0503330M-10

Laird - Performance Materials

FIXED IND 33UH 1.6A 440MOHM SMD

0
MGV04121R5M-10

MGV04121R5M-10

Laird - Performance Materials

FIXED IND 1.5UH 3A 63.3MOHM SMD

0
TYS3010330M-10

TYS3010330M-10

Laird - Performance Materials

FIXED IND 33UH 300MA 1.55 OHM

0
MGV1004R15N-10

MGV1004R15N-10

Laird - Performance Materials

FIXED IND 150NH 43A 0.6MOHM SMD

2000
TYS4012100M-10

TYS4012100M-10

Laird - Performance Materials

FIXED IND 10UH 770MA 265 MOHM

0
TYS3012150M-10

TYS3012150M-10

Laird - Performance Materials

FIXED IND 15UH 710MA 460 MOHM

0
MGV0302R22N-10

MGV0302R22N-10

Laird - Performance Materials

FIXED IND 220NH 9A 14MOHM SMD

5998
TYA4020150M-10

TYA4020150M-10

Laird - Performance Materials

FIXED IND 15UH 1A 400 MOHM SMD

11857
TYS80406R8M-10

TYS80406R8M-10

Laird - Performance Materials

FIXED IND 6.8UH 3.6A 24 MOHM SMD

26
TYA40203R3M-10

TYA40203R3M-10

Laird - Performance Materials

FIXED IND 3.3UH 3.4A 88 MOHM SMD

11827
MGV0602R15M-10

MGV0602R15M-10

Laird - Performance Materials

FIXED IND 150NH 15A 5.2 MOHM SMD

287
TYS40306R8M-10

TYS40306R8M-10

Laird - Performance Materials

FIXED IND 6.8UH 1.6A 117 MOHM

1651
CPI1008K1R0R-10

CPI1008K1R0R-10

Laird - Performance Materials

FIXED IND 1UH 1.6A 110 MOHM SMD

0
TYS60204R7N-10

TYS60204R7N-10

Laird - Performance Materials

FIXED IND 4.7UH 2A 58 MOHM SMD

475
MGV17072R2M-10

MGV17072R2M-10

Laird - Performance Materials

FIXED IND 2.2UH 43.5A 2.7MOHM SM

0
MGV10044R7M-10

MGV10044R7M-10

Laird - Performance Materials

FIXED IND 4.7UH 9.5A 16.5 MOHM

1947
MGV2520102R2M-10

MGV2520102R2M-10

Laird - Performance Materials

FIXED IND 2.2UH 2.3A 119MOHM SMD

6009

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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