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Fixed Inductors

Image Part Number Description / PDF Quantity Rfq
MGV06023R3M-10

MGV06023R3M-10

Laird - Performance Materials

FIXED IND 3.3UH 3.3A 60.1 MOHM

588
TYS252012L4R7M-10

TYS252012L4R7M-10

Laird - Performance Materials

FIXED IND 4.7UH 840MA 348 MOHM

0
MGV0402R10N-10

MGV0402R10N-10

Laird - Performance Materials

FIXED IND 100NH 12A 4MOHM SMD

0
MGV0502R68M-10

MGV0502R68M-10

Laird - Performance Materials

FIXED IND 680NH 10A 12.4 MOHM

0
TYS252010L2R2N-10

TYS252010L2R2N-10

Laird - Performance Materials

FIXED IND 2.2UH 1.2A 209 MOHM

0
TYS5020150M-10

TYS5020150M-10

Laird - Performance Materials

FIXED IND 15UH 1.25A 165 MOHM

0
TYS30126R8M-10

TYS30126R8M-10

Laird - Performance Materials

FIXED IND 6.8UH 980MA 190 MOHM

0
TYS6045330M-10

TYS6045330M-10

Laird - Performance Materials

FIXED IND 33UH 1.45A 137 MOHM

0
TYA40204R7M-10

TYA40204R7M-10

Laird - Performance Materials

FIXED IND 4.7UH 2.85A 115 MOHM

9447
TYS30124R7M-10

TYS30124R7M-10

Laird - Performance Materials

FIXED IND 4.7UH 1.24A 120 MOHM

0
MGV0605R22M-10

MGV0605R22M-10

Laird - Performance Materials

FIXED IND 220NH 25A 1.9MOHM SMD

0
TYS3010220M-10

TYS3010220M-10

Laird - Performance Materials

FIXED IND 22UH 380MA 930 MOHM

4479
MGV0512R68M-10

MGV0512R68M-10

Laird - Performance Materials

FIXED IND 680NH 6A 24.5MOHM SMD

0
TYS4030330M-10

TYS4030330M-10

Laird - Performance Materials

FIXED IND 33UH 840MA 429 MOHM

1541
MGV0402R56M-10

MGV0402R56M-10

Laird - Performance Materials

FIXED IND 560NH 6.5A 16 MOHM SMD

6500
MGV12051R8M-10

MGV12051R8M-10

Laird - Performance Materials

FIXED IND 1.8UH 19A 4.9 MOHM SMD

0
MGV0602R82M-10

MGV0602R82M-10

Laird - Performance Materials

FIXED IND 820NH 8A 15.9 MOHM SMD

500
MGV1205150M-10

MGV1205150M-10

Laird - Performance Materials

FIXED IND 15UH 8.2A 38MOHM SMD

2000
TYS40182R2M-10

TYS40182R2M-10

Laird - Performance Materials

FIXED IND 2.2UH 1.65A 45 MOHM

0
TYS6028470M-10

TYS6028470M-10

Laird - Performance Materials

FIXED IND 47UH 1.06A 315 MOHM

0

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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