Drum Coil Inductor

Product Details:

• The 6X8 Drum Coil Inductor is a compact, high-efficiency power inductor designed for low-power electronic circuits where space-saving and reliable performance are critical. Built with a ferrite drum core and high-quality enameled copper winding, it delivers low DC resistance (DCR), stable inductance, and excellent current handling capability across a wide frequency range.

  This inductor is widely used in DC-DC converters, LED drivers, filtering, and signal processing circuits, providing effective energy storage and noise suppression in compact designs.

  Features:

  • Small size with high energy efficiency

  • Low DCR for reduced power loss

  • High saturation current with stable inductance

  • Suitable for high-frequency operation

  • Excellent solderability and mechanical strength

  • Available in through-hole and SMD versions

  • RoHS compliant and halogen-free

  Applications:

  • DC-DC Step-Up / Step-Down Converters

  • LED Drivers and Lighting Circuits

  • Power Supply Filters and Voltage Regulators

  • Battery-Powered Devices

  • EMI / RFI Noise Suppression

  • Consumer and Industrial Electronics

  Typical Technical Specifications:

  Parameter	Specification
  Core Type	Ferrite Drum Core
  Core Dimensions (Dia. × Height)	6 mm × 8 mm
  Inductance Range	2.2 µH – 330 µH (Customizable)
  Rated Current	Up to 1.2A (depending on inductance value)
  DC Resistance (DCR)	As low as 0.08 Ω
  Frequency Range	20 kHz – 1 MHz
  Operating Temperature	-40°C to +125°C
  Mounting Type	Through-Hole / PCB Mount
  Finish / Coating	Epoxy Resin for Moisture and Environmental Protection

Additional Information:

• Item Code: SE-DRM-6X8

Product Details:

• The 25X20 Drum Coil Inductor is a high-efficiency magnetic component designed for power conversion, energy storage, and EMI filtering applications. Constructed using a high-permeability ferrite drum core and precision copper winding, it offers excellent current handling capability, low DC resistance, and superior inductance stability across a wide temperature and frequency range.

  Its robust design allows it to operate efficiently in switching power supplies, inverters, LED drivers, and other high-current circuits. The 25 mm × 20 mm size provides a balance of compactness and power density, ensuring reliable performance in demanding industrial and electronic environments.

  Features:

  • High current carrying capability with minimal DCR

  • Excellent energy storage and magnetic efficiency

  • Low core losses at high switching frequencies

  • Stable inductance over temperature and load variations

  • Epoxy-coated drum core for environmental protection

  • Available in shielded and unshielded versions

  • RoHS and lead-free compliant

  Applications:

  • DC-DC Converters (Buck / Boost / Buck-Boost)

  • Switch Mode Power Supplies (SMPS)

  • Inverter and UPS Circuits

  • LED Drivers and Industrial Lighting Systems

  • EMI/RFI Noise Suppression Filters

  • Battery Chargers and Power Management Units

  Typical Technical Specifications:

  Parameter	Specification
  Core Type	Ferrite Drum Core
  Core Dimensions (Dia. × Height)	25 mm × 20 mm
  Inductance Range	10 µH – 1 mH (Customizable)
  Rated Current	Up to 10A or higher (depending on design)
  DC Resistance (DCR)	As low as 0.01 Ω
  Frequency Range	20 kHz – 1 MHz
  Operating Temperature	-40°C to +125°C
  Mounting Type	Through-Hole / PCB Mount
  Coating	Epoxy Resin for Mechanical Strength and Insulation

Additional Information:

• Item Code: SE-DRM-25X20

Product Details:

• The 23X20 Drum Core Power Inductor is a high-performance, energy-efficient magnetic component designed for power supply circuits, DC-DC converters, and filtering applications. Built using a ferrite drum core, this inductor provides excellent magnetic properties, ensuring low core loss, high saturation current, and stable inductance across a wide temperature range.

  With a robust structure and optimized winding design, the DRM-23X20 offers superior current handling, low DC resistance (DCR), and efficient energy storage, making it ideal for high-frequency switching power supplies and compact electronic devices.

  Features:

  • High current carrying capacity with low DCR

  • Excellent energy storage and conversion efficiency

  • Stable inductance over wide temperature and frequency ranges

  • Ferrite drum core for low magnetic loss

  • Compact, rugged design suitable for PCB mounting

  • Available in shielded and unshielded versions

  • RoHS compliant construction

  Applications:

  • DC-DC Converters (Step-up/Step-down)

  • SMPS (Switch Mode Power Supply)

  • LED Drivers and Lighting Circuits

  • Power Amplifiers

  • Battery-Powered Equipment

  • EMI/RFI Noise Suppression Circuits

  Typical Technical Specifications:

  Parameter	Specification
  Core Type	Ferrite Drum Core
  Core Dimensions (Dia. × Height)	23 mm × 20 mm
  Inductance Range	10 µH – 1000 µH (Customizable)
  Rated Current	Up to 8A (Depending on Inductance Value)
  DC Resistance (DCR)	As low as 0.01 Ω
  Frequency Range	20 kHz – 1 MHz
  Operating Temperature	-40°C to +125°C
  Mounting Type	Through-Hole / PCB Mount
  Coating	Epoxy Resin Coated for Protection

Additional Information:

• Item Code: SE-DRM-23X20

Product Details:

• The 14x20 Drum Coil Inductor is a high-power ferrite core inductor designed for efficient energy storage and low-loss performance in switch-mode power supplies (SMPS), DC-DC converters, and industrial power circuits. Built with a high-permeability ferrite drum core and enameled copper wire, this inductor offers excellent magnetic characteristics, low DC resistance, and high current handling capability.

  Its robust construction ensures superior thermal stability, low electromagnetic interference (EMI), and consistent inductance across a wide range of operating conditions. The inductor is epoxy-coated for insulation and environmental protection, making it reliable for long-term use in demanding electrical and electronic systems.

  Features:

  • High current capacity and low core loss

  • Low DC resistance for maximum power efficiency

  • Excellent heat dissipation and magnetic stability

  • Epoxy resin coated for enhanced insulation and protection

  • Wide operating frequency range suitable for SMPS and inverter circuits

  • Compact size ideal for PCB mounting

  • RoHS compliant and lead-free

  Applications:

  • DC-DC Converter Circuits

  • LED Drivers and Lighting Systems

  • Switching Mode Power Supplies (SMPS)

  • Battery Chargers and Power Adapters

  • Inverters and UPS Systems

  • Industrial Control and Automation Equipment

  Typical Technical Specifications:

  Parameter	Specification
  Core Type	Ferrite Drum Core
  Core Dimensions (Dia. × Height)	14 mm × 20 mm
  Inductance Range	10 µH – 1 mH (Customizable)
  Rated Current	Up to 5A (depending on inductance value)
  DC Resistance (DCR)	As low as 0.02 Ω
  Frequency Range	20 kHz – 1 MHz
  Operating Temperature	-40°C to +125°C
  Mounting Type	Through-Hole / PCB Mount
  Coating	Epoxy Resin Coated for Mechanical Protection

Additional Information:

• Item Code: SE-DRM-14X20

Product Details:

• The 12X15 Drum Coil Inductor is a compact, high-performance magnetic component designed for switching power supplies, DC-DC converters, and filtering applications. Built using a ferrite drum core, it provides excellent energy storage capability, low core loss, and stable inductance across a wide range of frequencies and temperatures.

  With its efficient winding structure and ferrite material, the 12X15 Drum Coil Inductor ensures high current handling, low DC resistance (DCR), and minimal magnetic interference (EMI) — making it ideal for space-constrained electronic circuits requiring reliable power delivery and filtering performance.

  Features:

  • High current carrying capacity with low DCR

  • Excellent magnetic efficiency and low power loss

  • Wide inductance range for design flexibility

  • Compact ferrite drum core structure for PCB mounting

  • Stable performance under high-frequency operation

  • Optional shielded and unshielded configurations

  • RoHS and lead-free compliant

  Applications:

  • DC-DC Converters (Step-Up / Step-Down)

  • SMPS (Switch Mode Power Supply)

  • LED Drivers and Lighting Circuits

  • Battery-Powered Devices

  • EMI / RFI Noise Filters

  • Power Amplifiers and Motor Control Circuits

  Typical Technical Specifications:

  Parameter	Specification
  Core Type	Ferrite Drum Core
  Core Dimensions (Dia. × Height)	12 mm × 15 mm
  Inductance Range	10 µH – 680 µH (Customizable)
  Rated Current	Up to 3.5A (Depending on Inductance Value)
  DC Resistance (DCR)	As low as 0.02 Ω
  Frequency Range	20 kHz – 1 MHz
  Operating Temperature	-40°C to +125°C
  Mounting Type	Through-Hole / PCB Mount
  Finish	Epoxy Coated for Protection

Additional Information:

• Item Code: SE-DRM-12X15

Product Details:

• The 10x12 Drum Coil Inductor is a high-efficiency, compact power inductor designed for medium-power electronic circuits such as DC-DC converters, LED drivers, and switching power supplies. It features a ferrite drum core with enameled copper winding, providing excellent magnetic performance, low DC resistance (DCR), and high saturation current capability.

  Engineered for reliable performance under dynamic load conditions, this inductor ensures efficient energy storage, minimal power loss, and stable inductance across a wide range of frequencies and temperatures. Its robust construction and epoxy coating provide mechanical strength, moisture protection, and thermal stability, making it suitable for both industrial and consumer electronics.

  Features:

  • High current handling with low power loss

  • Compact size and lightweight construction

  • Excellent thermal stability and moisture resistance

  • Low DCR and high Q factor for efficient energy transfer

  • Suitable for high-frequency switching circuits

  • Durable ferrite drum core design

  • RoHS and lead-free compliant

  Applications:

  • DC-DC Converters (Step-Up / Step-Down)

  • LED Drivers and Lighting Power Supplies

  • SMPS (Switch Mode Power Supplies)

  • Power Line Filters and Noise Suppression Circuits

  • Battery-Powered and Portable Devices

  • Industrial and Consumer Electronics

  Typical Technical Specifications:

  Parameter	Specification
  Core Type	Ferrite Drum Core
  Core Dimensions (Dia. × Height)	10 mm × 12 mm
  Inductance Range	4.7 µH – 470 µH (Customizable)
  Rated Current	Up to 2.5A (depending on inductance)
  DC Resistance (DCR)	As low as 0.05 Ω
  Frequency Range	20 kHz – 1 MHz
  Operating Temperature	-40°C to +125°C
  Mounting Type	Through-Hole / PCB Mount
  Coating	Epoxy Resin (for insulation and environmental protection)

Additional Information:

• Item Code: SE-DRM-10X12

Product Details:

• The 8x12 Drum Coil Inductor is a compact, high-performance power inductor designed for use in switching power supplies, DC-DC converters, and LED drivers. Constructed with a ferrite drum core and high-quality enameled copper wire, this inductor provides excellent magnetic efficiency, low DC resistance, and high current handling capability.

  Its small size and durable design make it suitable for dense circuit layouts, while its low core loss and high saturation current ensure stable performance even under heavy load conditions. The inductor is coated with epoxy resin for protection against moisture, dust, and vibration, ensuring long operational life in both industrial and consumer electronic environments.

  Features:

  • High energy storage capacity in compact size

  • Low DC resistance for reduced power loss

  • High current handling with minimal core saturation

  • Excellent frequency characteristics for SMPS and LED applications

  • Epoxy-coated for insulation and mechanical protection

  • Stable inductance over a wide temperature range

  • RoHS compliant and lead-free

  Applications:

  • DC-DC Converter Circuits

  • LED Drivers and Lighting Systems

  • SMPS (Switch Mode Power Supplies)

  • Power Line Filters

  • Battery Chargers

  • Consumer and Industrial Electronics

  Typical Technical Specifications:

  Parameter	Specification
  Core Type	Ferrite Drum Core
  Core Dimensions (Dia. × Height)	8 mm × 12 mm
  Inductance Range	3.3 µH – 330 µH (Customizable)
  Rated Current	Up to 1.8A (depending on inductance value)
  DC Resistance (DCR)	As low as 0.06 Ω
  Frequency Range	20 kHz – 1 MHz
  Operating Temperature	-40°C to +125°C
  Mounting Type	Through-Hole / PCB Mount
  Coating	Epoxy Resin for insulation and protection

Additional Information:

• Item Code: SE-DRM-8X12

Product Details:

• The 8X10 Drum Coil Inductor is a compact, high-performance magnetic component designed for low to medium power electronic circuits. It features a high-permeability ferrite drum core with precision copper windings, offering excellent current handling, low DC resistance, and stable inductance over a wide range of frequencies.

  This inductor is ideal for use in DC-DC converters, LED drivers, filter circuits, and signal conditioning applications. Its small size and efficient energy storage capability make it an excellent choice for compact PCB layouts where space and performance are both critical.

  Features:

  • Compact size with high inductance performance

  • Low core loss and low DC resistance (DCR)

  • High saturation current and excellent thermal stability

  • Wide frequency operation range (suitable for high-frequency SMPS)

  • Available in both shielded and unshielded versions

  • Epoxy-coated body for enhanced mechanical strength and insulation

  • RoHS and lead-free compliant

  Applications:

  • DC-DC Converter Circuits (Step-Up / Step-Down)

  • Switch Mode Power Supplies (SMPS)

  • LED Drivers and Lighting Circuits

  • Power Supply Filters

  • Portable Electronic Devices and Battery-Powered Equipment

  • EMI / RFI Noise Suppression Circuits

  Typical Technical Specifications:

  Parameter	Specification
  Core Type	Ferrite Drum Core
  Core Dimensions (Dia. × Height)	8 mm × 10 mm
  Inductance Range	4.7 µH – 470 µH (Customizable)
  Rated Current	Up to 2A (depending on design)
  DC Resistance (DCR)	As low as 0.05 Ω
  Frequency Range	20 kHz – 1 MHz
  Operating Temperature	-40°C to +125°C
  Mounting Type	Through-Hole / PCB Mount
  Finish / Coating	Epoxy Resin for Environmental Protection

Additional Information:

• Item Code: SE-DRM-8X10

Product Details:

• The Drum Core Power Inductor is a high-efficiency magnetic component designed for use in DC-DC converters, power supplies, and filter circuits where energy storage and noise suppression are critical. Built with a ferrite drum-shaped core and high-current copper winding, it delivers excellent performance in compact, surface-mount or through-hole configurations.

  These inductors are optimized for low core losses, high saturation current, and stable inductance over a wide temperature and frequency range. The open magnetic path design allows effective heat dissipation, making them suitable for high-frequency switching and power management applications.

  Features:

  • High current handling capability and low DC resistance (DCR)

  • Excellent energy storage and conversion efficiency

  • Wide frequency response with low electromagnetic interference (EMI)

  • Rugged ferrite drum core construction for durability

  • Compact, lightweight design for PCB mounting

  • Available in both SMD and through-hole versions

  • RoHS compliant and designed as per international standards

  Applications:

  • DC-DC Converters (Buck, Boost, and Buck-Boost)

  • Switching Power Supplies (SMPS)

  • LED Drivers and Inverter Circuits

  • Battery-Powered Devices and Portable Electronics

  • EMI/RFI Noise Filters

  • Power Management Modules

  Typical Technical Specifications:

  Parameter	Specification
  Core Type	Ferrite Drum Core
  Inductance Range	1 µH – 10 mH (customizable)
  Rated Current	Up to 10A or higher (depending on size)
  DC Resistance (DCR)	As low as 0.01 Ω
  Frequency Range	20 kHz – 1 MHz
  Operating Temperature	-40°C to +125°C
  Mounting Type	SMD / Through-Hole
  Shielding Type	Unshielded or Shielded options available

Product Details:

The IFT Core Inductor (Intermediate Frequency Transformer Inductor) is a precision-wound inductor designed for use in radio frequency (RF) and intermediate frequency (IF) circuits. Built on a high-quality ferrite IFT core, it provides excellent inductance stability, low loss, and precise tuning characteristics for frequency-selective circuits.

These inductors are primarily used in tuned amplifier stages, oscillators, and filter circuits, where stable inductance and high Q-factor are essential. The compact design and superior winding technique ensure minimal signal loss and consistent performance across temperature and frequency ranges.

• High Q-factor and low core loss for excellent frequency response

• Precision ferrite IFT core for stable inductance and tuning accuracy

• Compact size suitable for PCB and module integration

• Excellent temperature stability and magnetic performance

• Available in multiple inductance and frequency ranges

• Ideal for RF, IF, and audio frequency signal applications

• Custom designs available for specific frequency bands

• AM/FM Radio Receivers

• IF Amplifier Circuits

• RF Tuned Circuits

• Oscillators and Filters

• Audio Frequency Transformers

• Communication Equipment

• Signal Processing Modules