Your Leading RLF Common Mode Chokes Supplier
Magsonder Innovation (Jiangsu) Co., Ltd. is a Shanghai-based manufacturer specializing in high-quality power inductors and transformers for power electronics applications. We have many types of inductors, including CD power inductors, magnetically shielded chokes, CDRH-R magnetically shielded inductor, molded inductors, data line EMI filters, DPI flat wire chip inductor, KLF SMD common mode chokes, magnetically shielded inductors, MBS drum core SMD inductors, NR inductors, RLF common mode chokes and SPI power inductors. They resist changes in current, making them vital for everything from noise suppression to energy transfer.
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0905 Series InductorsThe RLF0905 Series is a wire-wound, SMD Common Mode Choke (line filter) designed for superior noise suppression. It is constructed with a toroid ferrite core, a design that provides an excellent
Why Choose Us?
Rich Experience
Our management team brings over ten years of industry experience, with core members from leading power electronics companies, ensuring strong technical judgment and stable operational management.
Professional Team
With 160 skilled employees, modern production facilities, and lean manufacturing processes, we maintain efficient production, controlled lead times, and consistent product performance.
High Productivity
Our factory supports a monthly output of 30–40 million units, enabling stable supply for large-volume orders, long-term programs, and fast response to market demand.
Quality Control
We hold more than 30 domestic and international patents, including 10 authorized invention patents, and operate under ISO9001 and ISO14000 systems to ensure consistent quality and environmental compliance.

0905 Series Inductors
The RLF0905 Series is a wire-wound, SMD Common Mode Choke (line filter) designed for superior noise suppression. It is constructed with a toroid ferrite core, a design that provides an excellent impedance coupling effect for filtering common mode noise from differential signal lines and power lines.
CD Series 54 Inductors
The CD5845 Series is a high-performance, cost-effective wire-wound SMD Power Inductor. It features a 4.5mm profile and is engineered for applications demanding excellent current handling, offering a high saturation current (Isat) of up to 9.50A.
Specifications of RLF Common Mode Chokes
|
Part No. |
Inductance (L) (µH) |
Test condition (Volt./Freq.) |
Rated Voltage (Vdc) MAX. |
Rated Current (Idc) (A) MAX. |
DCR (Rdc) (Ω) MAX. |
Impedance (Z) (Ω) MIN. |
Freq. Range (MHz) TYP. |
|
RLF0905-100-00 |
10 ± 30% |
0.1V, 1KHz |
80 |
1.6 |
0.08 |
200 |
20~300 |
|
RLF0905-250-00 |
25 ± 30% |
0.1V, 1KHz |
80 |
1 |
0.16 |
600 |
20~150 |
|
RLF0905-400-00 |
40 ± 30% |
0.1V, 1KHz |
80 |
0.9 |
0.25 |
800 |
20~100 |
|
RLF0905-500-00 |
50 ± 30% |
0.1V, 1KHz |
80 |
0.8 |
0.32 |
1500 |
20~100 |
|
RLF0905-251-00 |
250 ± 50% |
5mV, 100KHz |
80 |
1.2 |
0.13 |
600 |
3~20 |
|
RLF0905-471-00 |
470 ± 50% |
5mV, 100KHz |
80 |
1.1 |
0.14 |
1000 |
2~20 |
|
RLF0905-501-00 |
500 ± 50% |
5mV, 100KHz |
80 |
1 |
0.15 |
1000 |
1~20 |
|
RLF0905-102-00 |
1000 ± 50% |
5mV, 100KHz |
80 |
0.8 |
0.31 |
1500 |
1~15 |
|
RLF0905-202-00 |
2000 ± 50% |
5mV, 100KHz |
80 |
0.6 |
0.42 |
3000 |
1~5 |
|
RLF0905-472-00 |
4700 ± 50% |
5mV, 100KHz |
80 |
0.4 |
0.9 |
4000 |
0.3~3 |
|
RLF0905-652-00 |
6500 ± 50% |
5mV, 100KHz |
80 |
0.3 |
1.05 |
5000 |
0.3~2 |
There are numerous advantages to using a common mode choke in an electrical circuit, including:
• Increased efficiency
• High inductance
• Low-EMI radiation
• Blocked or suppressed high-frequency signals
Compared to a differential choke, a common mode choke can operate at much higher currents and has a higher inductance value, thus keeping EMI radiation at a minimum. Common mode chokes also have an extensive frequency range and are sometimes the only inductor that can solve connections with a lot of noise. Although they are generally more expensive than other inductors, common mode chokes make up for the price difference with their functionality and

Customization Options
Materials: Core material selection, winding type, insulation class
1
>>
Electrical Specifications: Inductance value, rated current, saturation current, DC resistance
2
>>
Structure: Customizable
3
>>
Size: Customizable
4
>>
Package: Available in SMD and through-hole packages
5
Ordering Process
Send Us Inquiry → Receive Our Quotation → Negotiate Details → Confirm the Sample → Sign Contract/Deposit → Mass Production →cargo Ready → Balance/Delivery → Further Cooperation
Applications of RLF Common Mode Chokes
Filtering
Inductors are used in combination with capacitors to form filters that allow certain frequencies to pass while attenuating others. They are commonly employed in power supplies and audio circuits to remove unwanted noise or ripple from DC signals.
Energy Storage
Inductors store energy in their magnetic fields and can release it when the current changes. This property is utilized in applications such as boost converters, flyback transformers, and energy storage devices.
Oscillators and Timing Circuits
Inductors, along with capacitors, are essential components in oscillators and timing circuits. They control the oscillation frequency and timing intervals, enabling precise timing and signal generation.
Transformers
Inductors are key components in transformers, which transfer electrical energy between different voltage levels. Transformers find extensive use in power distribution systems, voltage conversion, and isolation of circuits.
Inductive Loads
Inductive loads, such as motors, solenoids, and relays, rely on the magnetic fields generated by inductors. Inductors help control the current and protect circuits from voltage spikes when these loads are switched on or off.
RF Applications
Inductors are crucial in radio frequency (RF) circuits, serving as components in filters, impedance matching networks, and resonant circuits. They are used in wireless communication devices, antennas, and RF amplifiers.
Signal Coupling
Inductors are employed for coupling or linking different stages of a circuit, allowing the transfer of AC signals while blocking DC components. This enables signal transmission and amplification in audio circuits, amplifiers, and data communication systems.
Sensor Applications
Inductive sensors, such as proximity sensors and inductive position sensors, utilize changes in inductance to detect the presence or position of objects. They find applications in automation, robotics, and industrial control systems.
Storage Conditions of RLF Common Mode Chokes
Store within a stable range, avoiding rapid changes.
Be gentle to prevent mechanical shock, which can affect reliability.
Keep away from direct sunlight, heat sources, strong vibrations, and corrosive fumes.
Payment Terms
T.T with 30% downpayment, 70%before shipment.
Paypal or West Union also accept.
Packing & Transportation
|
Packaging |
Protective film, cardboard box, wooden crate |
|
Shipping |
By logistics; by shipping; by air. |

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