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Radial Ferrite Core Power Inductor Drum Core Inductor ...

A Radial Drum Core Inductor is a low-cost, through-hole power inductor using a ferrite core shaped like a drum, wound with copper wire, and featuring radial (out-the-side) leads, designed for handling high currents and energy storage in switching power supplies, DC-DC converters, motor drives, and general filtering, known for its reliability and good saturation characteristics.

Core: Ferrite material, often with a central rod and end discs (unshielded).
Leads: Radial (pin-style) for through-hole mounting.
Performance: High saturation current, high peak current support, low DC resistance, high Q factor, and good energy storage.
Construction: Wire winding protected by shrink tubing.
Types: Available in both unshielded (open magnetic path) and shielded (ferrite cylinder around core) versions.

RL Inductor - Eaton
Eaton's RL family power inductors feature unshielded, radial leaded ferrite drum cores through-hole package. Inductance ranges fro...
Eaton
Radial Lead Through Hole Inductors - Coilcraft
Radial Leaded Drum Core Power Inductors DRC-V Series
May 17, 2023 — Radial Leaded Drum Core Power Inductors DRC-V Series * Shrink tubing protected winding. * Pre-tinned leads. * Fixed le...
DigiKey

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Radial Leaded Drum Core Power Inductors DRC-V Series

DigiKey

https://www.digikey.com › signal-transformer › radial-l...

DigiKey

https://www.digikey.com › signal-transformer › radial-l...

May 18, 2023 — Signal Transformer's DRC-V series is a line of unshielded radial leaded drum core inductors used for general ‎purpose filtering of ...

store rating (752)$1 to $1$16.99 delivery30-day returns

RL1218 Unshielded radial leaded drum core inductors

Eaton

https://www.eaton.com › resources › data-sheet

Eaton

https://www.eaton.com › resources › data-sheet

PDF

Unshielded radial leaded drum core inductors. Technical Data 10338. Effective ... Do not route traces or vias underneath the inductor. Page 3. www.eaton ...Read more

4 pages

RDC60

Allied Components International

https://www.alliedcomponents.com › shop › rdc60

Allied Components International

https://www.alliedcomponents.com › shop › rdc60

Features. High Current / Radial Power Line Choke; Drum Core Design; Hole Clearance for 1/4 Screw; UL VW-1 Shrink Tube Cover ...Read more

Radial Drum Core Inductor from www.alliedcomponents.com

Drum Core Inductors (Vertical & Horizontal)

Changzhou Southern Electronic Element Factory Co., Ltd.

https://www.nfdqchina.com › Drum-Core-Inductors-verti...

Changzhou Southern Electronic Element Factory Co., Ltd.

https://www.nfdqchina.com › Drum-Core-Inductors-verti...

Southern Electronics manufactures drum core inductors and radial type inductor in both vertical and horizontal configurations. These inductors are designed ...

Radial Drum Core Inductor from www.nfdqchina.com

Wholesale High Quality Radial Drum Core Inductor ...

Mycoiltech

https://www.mycoiltech.com › radial-drum-core-inductor...

Mycoiltech

https://www.mycoiltech.com › radial-drum-core-inductor...

DR0808 series drum core inductor has high power, high saturation current and low impedance. Contain high-frequency ferrite core.Read more

Radial Drum Core Inductor from www.mycoiltech.com

(20 pcs) Inductor, CIS24-0904-01, 8.2mH, 10%, Radial ...

eBay

https://www.ebay.com › ... › Diodes & Rectifiers

eBay

https://www.ebay.com › ... › Diodes & Rectifiers

(20 pcs) Inductor, CIS24-0904-01, 8.2mH, 10%, Radial Drum Core, ALLIED Component ; Brand. ALLIED Components ; MPN. CIS24-0904-01 ; Accurate description. 5.0.Read more

Radial Drum Core Inductor from www.ebay.com

$14.00In stockFree deliveryFree 30-day returns

People also ask

What is DCR for inductors?

Conduction Losses due to the Inductor DCR | Introduction ...

DCR, or DC Resistance, in an inductor is the simple resistance of the copper wire used to wind the coil, measured with direct current (DC). It's a key parameter indicating power loss (

cap I squared cap R

) and efficiency, with lower DCR meaning less heat and better performance, especially in power applications like DC-DC converters, but it often involves a trade-off with physical size (larger wire for lower DCR means bigger component).

Key Aspects of DCR:

What it is: The resistance of the wire itself, not the ideal inductive property.
How it's measured: With a DC ohmmeter or Kelvin sensing across the leads.
Impact on Circuit:
- Power Loss: Causes heat (
  $cap P equals cap I squared cross cap D cap C cap R$
  ) and reduces efficiency in switching regulators.
- Efficiency: Lower DCR leads to higher efficiency.
- Temperature: DCR increases with temperature, affecting performance.
Selection Trade-off:
- Low DCR: Achieved with thicker wire, but results in larger inductors.
- High Current: Higher current handling requires thicker wire (lower DCR) or more wire turns, impacting size.
ESR vs. DCR: DCR is the DC component of the total resistance; Equivalent Series Resistance (ESR) includes DCR plus AC losses (like skin/proximity effects) at operating frequencies.

What is DCR in Inductors and how does it affect your Circuit Design

Jun 26, 2019 — The actual way to measure an Inductor's DCR value is by using a Kelvin sensing path across the leads and applying curr...

Circuit Digest

Specifying Inductor Values - ECS Inc.

Apr 28, 2025 — = I2R. Where: R is the DCR of the wire winding. I is the average or DC value of the inductor current. Calculate the Po...

ECS Inc.

What is the difference between ESR and DCR?

Nov 11, 2021 — 3 Answers. Sorted by: 9. An inductor has two sources of resistance (real part), DC and AC. The ESR your LCR meter is m...

Electrical Engineering Stack Exchange

Effect of output inductor DCR on switching power supply

Aug 26, 2019 — The effect of output inductor DCR on a switching power supply depends on the following factors: * **Heat up** A high D...

Electrical Engineering Stack Exchange

DC-DC Converters & the Importance of DCR-Optimized Inductors

Mar 24, 2021 — Lab Demonstration of DCR Effects on Converter Efficiency To illustrate the effects of the quality of inductor (namely ...

Abracon

Basics of Inductor Selection (from Electronic Design magazine)

As with many inductor specification parameters, there is a trade-off between current ratings and temperature increases associated ...

Coilcraft

The Fundamentals of Power Inductors - Coilcraft

DC Resistance (DCR) DCR is simply a measure of the wire used in the inductor. It is based strictly on the wire diameter and length...

Coilcraft

A Novel DCR Current Sensing Scheme for Accurate ... - IEEE Xplore

A Novel DCR Current Sensing Scheme for Accurate Current Readback in Power uModule Applications. Abstract: Inductors with ultra-low...

IEEE Xplore

Comparison of DCR Current Sense Topologies - Richtek Technology

1. DCR Current Sense Topology. Figure 1 shows the configuration for DCR current sensing topology. The L is the inductor and the DC...

Richtek Technology

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Aexit 50Pcs Shielded Transformer Drum Core Radial ...

Amazon.com

https://www.amazon.com › Aexit-Shielded-Transformer...

Amazon.com

https://www.amazon.com › Aexit-Shielded-Transformer...

Product Name : Radial Lead Inductor;Inductance : 1mH; Rating Current : 250mA;Tolerance : 10%; Body Size : 5 x 7mm / 0.20" x 0.27"(D*H);Pin Length : 13mm/ ...Read more

Radial Drum Core Inductor from www.amazon.com

High Current Radial Lead & Toroid Inductors

Coilcraft

https://www.coilcraft.com › power › shielded-inductors

Coilcraft

https://www.coilcraft.com › power › shielded-inductors

Our high current radial leaded and toroid inductors are magnetically shielded to eliminate EMI and handle high current in industrial and commercial ...Read more

Radial Drum Core Inductor from www.coilcraft.com

10uH, 4A Radial power inductor with drum core

Coilmaster Electronics

https://www.coilmaster.com.tw › product

Coilmaster Electronics

https://www.coilmaster.com.tw › product

Key features · Low cost designed · Small mounting space required · Wide inductance range · Special magnetic core structure · High Q and high SRF value · Tape ...Read more