Your Leading Magnetically Shielded 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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![CDRH104 Pcb Inductors]()
CDRH104 Pcb InductorsThe CDH104 Series is a wire-wound, SMD Shielded Power Inductor in a 10.5 × 10.5 mm footprint. With a low profile of 4.8mm, this series is designed for power applications where board space and -
![CDRH124 Pcb Inductors]()
CDRH124 Pcb InductorsThe CDH124 Series is a large, wire-wound, SMD Shielded Power Inductor. It features a 12.5 mm × 12.5 mm footprint combined with a slim 4.5mm maximum height, offering high power density for -
![CDRH125 Pcb Inductors]()
CDRH125 Pcb InductorsThe CDH125 Series is a wire-wound, SMD Shielded Power Inductor in a 12.5 mm × 12.5 mm package, featuring a 6.0mm height profile. This series is engineered to provide a balanced solution, offering a -
![CDRH127 Pcb Inductors]()
CDRH127 Pcb InductorsThe CDH127 Series is a high-profile, high-performance, SMD Shielded Power Inductor. It features a 12.5 mm × 12.5 mm footprint with a tall 8.0mm profile, a design that allows for heavy-gauge winding -
![CDRH129 Pcb Inductors]()
CDRH129 Pcb InductorsThe CDH129 Series is the highest-performance, wire-wound, SMD Shielded Power Inductor in the CDH family. It features a 12.5 mm × 12.5 mm footprint and a 10.0mm max height, a design that accommodates -
![CDRH62 Pcb Inductors]()
CDRH62 Pcb InductorsThe CDH62 Series is a compact, low-profile, SMD Shielded Power Inductor. It features a 6.2 mm × 6.6 mm footprint and a slim 3.2mm maximum height, making it an excellent choice for space-constrained -
![CDRH64 Pcb Inductors]()
CDRH64 Pcb InductorsThe CDH64 Series is a wire-wound, SMD Shielded Power Inductor that offers an excellent balance of high inductance and a compact footprint. It shares the same 6.2 mm × 6.6 mm footprint as the -
![CDRH73 Pcb Inductors]()
CDRH73 Pcb InductorsThe CDH73 Series is a low-profile, SMD Shielded Power Inductor in a 7.3 mm × 7.3 mm footprint. With its slim 3.5mm maximum height, this series is engineered for high-density power circuits where EMI -
![CDRH74 Pcb Inductors]()
CDRH74 Pcb InductorsThe CDH74 Series is a wire-wound, SMD Shielded Power Inductor that offers high performance in a standard profile. It features a 7.3 mm × 7.3 mm footprint and a 4.5mm height, a design that supports an
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.
CDRH74 Pcb Inductors
The CDH74 Series is a wire-wound, SMD Shielded Power Inductor that offers high performance in a standard profile. It features a 7.3 mm × 7.3 mm footprint and a 4.5mm height, a design that supports an extremely wide inductance range, from 1.0µH all the way to 1000µH (1mH).
CDRH129 Pcb Inductors
The CDH129 Series is the highest-performance, wire-wound, SMD Shielded Power Inductor in the CDH family. It features a 12.5 mm × 12.5 mm footprint and a 10.0mm max height, a design that accommodates a heavy-gauge inductor coil power winding for maximum current capacity and energy storage.
CDRH104 Pcb Inductors
The CDH104 Series is a wire-wound, SMD Shielded Power Inductor in a 10.5 × 10.5 mm footprint. With a low profile of 4.8mm, this series is designed for power applications where board space and component height are key considerations.
Specifications of Magnetically Shielded Chokes
|
Part No. |
Inductance (L₀) (µH) (100kHz, 1V) |
DCR (mΩ) MAX. |
Rating Current (Idc) (A) TYP. |
Saturation Current (Isat) (A) TYP. |
|
CDH104-4R7M |
4.7 ± 20% |
35 |
2.65 |
3.20 |
|
CDH104-6R8M |
6.8 ± 20% |
44 |
2.34 |
2.80 |
|
CDH104-100M |
10 ± 20% |
50 |
1.96 |
2.40 |
|
CDH104-120M |
12 ± 20% |
54 |
1.82 |
2.25 |
|
CDH104-150M |
15 ± 20% |
61 |
1.64 |
2.00 |
|
CDH104-180M |
18 ± 20% |
84 |
1.46 |
1.80 |
|
CDH104-220M |
22 ± 20% |
94 |
1.35 |
1.65 |
|
CDH104-270M |
27 ± 20% |
110 |
1.18 |
1.45 |
|
CDH104-330M |
33 ± 20% |
150 |
1.09 |
1.35 |
|
CDH104-390M |
39 ± 20% |
170 |
0.98 |
1.20 |
|
CDH104-470M |
47 ± 20% |
210 |
0.89 |
1.10 |
|
CDH104-560M |
56 ± 20% |
230 |
0.82 |
1.00 |
|
CDH104-680M |
68 ± 20% |
260 |
0.74 |
0.93 |
|
CDH104-820M |
82 ± 20% |
360 |
0.68 |
0.84 |
|
CDH104-101M |
100 ± 20% |
410 |
0.61 |
0.76 |
|
CDH104-121M |
120 ± 20% |
450 |
0.57 |
0.70 |
|
CDH104-151M |
150 ± 20% |
640 |
0.51 |
0.63 |
|
CDH104-181M |
180 ± 20% |
840 |
0.46 |
0.57 |
|
CDH104-221M |
220 ± 20% |
960 |
0.41 |
0.52 |
|
CDH104-271M |
270 ± 20% |
1070 |
0.38 |
0.47 |
|
CDH104-331M |
330 ± 20% |
1370 |
0.34 |
0.43 |
|
CDH104-391M |
390 ± 20% |
1550 |
0.31 |
0.39 |
|
CDH104-471M |
470 ± 20% |
1740 |
0.30 |
0.36 |
Product-related videos
Key Uses of Magnetically Shielded Chokes
Filtering and Smoothing: Inductors are used to attenuate or filter high-frequency noise from circuits, ensuring smoother voltage and current supply.
Energy Storage: They temporarily store energy in switched power supplies, enabling efficient transfer to loads or capacitors.
Choke Coils: Inductors block rapid changes in current, functioning as chokes to pass DC but block AC, improving circuit reliability.
Tuned Circuits: Along with capacitors, inductors form oscillators (LC circuits) that select or generate specific frequencies, useful in radios and receivers.
Impedance Matching: They match circuit impedances to maximize power transfer, especially in communication and audio systems.
Inductors also suppress electromagnetic interference (EMI): In modern electronics, aiding compliance with global standards.
Ordering Process
Send Us Inquiry → Receive Our Quotation → Negotiate Details → Confirm the Sample → Sign Contract/Deposit → Mass Production →cargo Ready → Balance/Delivery → Further Cooperation
Customization Options
Materials: Core material selection, winding type, insulation class
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Electrical Specifications: Inductance value, rated current, saturation current, DC resistance
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Structure: Customizable
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Size: Customizable
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Package: Available in SMD and through-hole packages
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Testing Methods of the Magnetically Shielded Chokes
Resistance Test
One of the simplest ways to test an inductor is to measure its resistance using a multimeter. Resistance is the opposition to the flow of electric current in a conductor. An ideal inductor should have zero resistance, but in reality, every inductor has some internal resistance due to the wire and the core material. To perform a resistance test, you need to set the multimeter to the lowest ohm range and connect the probes to the inductor terminals. The reading should be very low, typically less than 1 ohm. If the reading is too high or infinite, it means the inductor is open or damaged.
Inductance Test
Another way to test an inductor is to measure its inductance using an LCR meter. Inductance is the property of an inductor that determines how much magnetic flux it can generate for a given current. Inductance is measured in henries (H) and depends on the number of turns, the cross-sectional area, and the core material of the inductor. To perform an inductance test, you need to set the LCR meter to the inductance mode and connect the leads to the inductor terminals. The reading should match the nominal value of the inductor, usually printed on its label or datasheet. If the reading is too low or too high, it means the inductor is shorted or has a loose winding.
• Control the operating temperature
Ensure that the inductor operates within the specified temperature range. Avoid installing it in an overheated environment. The temperature can be reduced by strengthening heat dissipation measures, such as installing heat sinks and increasing ventilation.
• Moisture and dustproof
If the working environment is relatively harsh, protective measures should be taken, such as using a sealed housing or coating to prevent moisture and dust from entering the inductor.
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. |
We're well-known as one of the leading magnetically shielded chokes manufacturers and suppliers in China. Please feel free to buy cheap magnetically shielded chokes in stock here from our factory. Quality products and reasonable price are available.
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