ample-chip ample-chip
RFQ
BOM

Fixed Inductors

Image Part Number Description / PDF Quantity Rfq
CBC2518T470K

CBC2518T470K

TAIYO YUDEN

FIXED IND 47UH 290MA 2.47 OHM

2281
BRL2012T680M

BRL2012T680M

TAIYO YUDEN

FIXED IND 68UH 110MA 7.54 OHM

3001
LHL10NB390K

LHL10NB390K

TAIYO YUDEN

FIXED IND 39UH 1.8A 85 MOHM TH

0
AQ1053N6S-T

AQ1053N6S-T

TAIYO YUDEN

FIXED IND 3.6NH 650MA 140 MOHM

0
MDMK3030T3R3MM

MDMK3030T3R3MM

TAIYO YUDEN

FIXED IND 3.3UH 1.6A 173 MOHM

0
CB2016T2R2M

CB2016T2R2M

TAIYO YUDEN

FIXED IND 2.2UH 1A 169 MOHM SMD

1197
LK2125R33M-T

LK2125R33M-T

TAIYO YUDEN

FIXED IND 330NH 250MA 400 MOHM

0
HKQ040211NJ-E

HKQ040211NJ-E

TAIYO YUDEN

FIXED IND 11NH 140MA 1.23 OHM

0
CBC3225T101KRV

CBC3225T101KRV

TAIYO YUDEN

FIXED IND 100UH 220MA 1.82 OHM

1126
MAMK2520HR22M

MAMK2520HR22M

TAIYO YUDEN

FIXED IND 220NH 5A 21 MOHM SMD

2767
CKP2520V4R7M-T

CKP2520V4R7M-T

TAIYO YUDEN

FIXED IND 4.7UH 1.1A 160 MOHM

377
MDMK2020TR47MM

MDMK2020TR47MM

TAIYO YUDEN

FIXED IND 470NH 2.3A 46 MOHM SMD

0
BRC2016T1R5M

BRC2016T1R5M

TAIYO YUDEN

FIXED IND 1.5UH 820MA 195 MOHM

0
HK160868NJ-T

HK160868NJ-T

TAIYO YUDEN

FIXED IND 68NH 300MA 850 MOHM

13972
LHL10TB563J

LHL10TB563J

TAIYO YUDEN

FIXED IND 56MH 36MA 170 OHM TH

0
NR6020T0R8N

NR6020T0R8N

TAIYO YUDEN

FIXED IND 800NH 3.8A 24 MOHM SMD

0
NRS5012T6R8MMGF

NRS5012T6R8MMGF

TAIYO YUDEN

FIXED IND 6.8UH 1.1A 312 MOHM

965
NS12565T220MNV

NS12565T220MNV

TAIYO YUDEN

FIXED IND 22UH 3.91A 37.2 MOHM

0
BRL1608T150M

BRL1608T150M

TAIYO YUDEN

FIXED IND 15UH 200MA 3.328 OHM

34512
HK1005R22J-TV

HK1005R22J-TV

TAIYO YUDEN

FIXED IND 220NH 120MA 4.2 OHM

4827

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
RFQ BOM Call Skype Email
Top