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.
This series is engineered for the most demanding power applications, offering an exceptionally high saturation current (Isat) up to 19.9A and an extremely wide inductance range from 1.0µH to 2200µH (2.2mH). Its robust, closed magnetic circuit design, a hallmark of Magsonder (one of the leading inductor manufacturers), provides superior EMI suppression. The CDH129 is the ultimate choice for high-power-density circuits like servers, telecom base stations, and automotive systems. This CDH129 SMD Shielded Power Inductor is a premier component.
Key Features
Magnetically Shielded: Closed magnetic circuit design for low EMI.
Maximum Current Capability: Engineered for high performance with saturation currents up to 19.9A.
High Profile Design: 10.0mm max height allows for maximum energy storage.
Extremely Wide Inductance Range: 1.0µH to 2200µH.
Higher Current Rating: Outperforms conventional inductors of the same size.
RoHS Compliant.
Applications
The CDH129's high-current and high-inductance capabilities make it a top-tier SMD Shielded Power Inductor for robust power supplies and DC-DC converters in:
Telecom base stations
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Servers, graphic cards, and desktop computers
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Automotive systems
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High-power LED lighting
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Flat-screen TVs and set-top boxes
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Electrical Characteristics
|
Part No. |
Inductance (L₀) (µH) (100kHz, 1V) |
DCR (mΩ) MAX. |
Rating Current (Idc) (A) TYP. |
Saturation Current (Isat) (A) TYP. |
|
CDH129-1R0N |
1.0 ± 30% |
5.5 |
15.09 |
19.9 |
|
CDH129-1R8N |
1.8 ± 30% |
6.5 |
10.15 |
13.4 |
|
CDH129-2R5N |
2.5 ± 30% |
8 |
9.12 |
12.2 |
|
CDH129-3R5N |
3.5 ± 30% |
9.7 |
8.82 |
12 |
|
CDH129-4R7N |
4.7 ± 30% |
11 |
7.78 |
10.1 |
|
CDH129-5R6N |
5.6 ± 30% |
12.4 |
7.34 |
8.56 |
|
CDH129-7R5N |
7.5 ± 30% |
14 |
6.93 |
8.48 |
|
CDH129-100M |
10 ± 20% |
18 |
5.95 |
7.12 |
|
CDH129-120M |
12 ± 20% |
19 |
5.92 |
7.04 |
|
CDH129-150M |
15 ± 20% |
26 |
4.98 |
5.84 |
|
CDH129-220M |
22 ± 20% |
29 |
4.62 |
5.12 |
|
CDH129-330M |
33 ± 20% |
53 |
3.54 |
4.25 |
|
CDH129-470M |
47 ± 20% |
63 |
3.27 |
3.6 |
|
CDH129-560M |
56 ± 20% |
68 |
2.62 |
2.85 |
|
CDH129-680M |
68 ± 20% |
93 |
2.48 |
2.76 |
|
CDH129-820M |
82 ± 20% |
99 |
2.41 |
2.62 |
|
CDH129-101M |
100 ± 20% |
126 |
2.08 |
2.31 |
|
CDH129-121M |
120 ± 20% |
154 |
1.86 |
2.05 |
|
CDH129-151M |
150 ± 20% |
174 |
1.68 |
1.8 |
|
CDH129-181M |
180 ± 20% |
191 |
1.53 |
1.66 |
|
CDH129-221M |
220 ± 20% |
246 |
1.52 |
1.64 |
|
CDH129-331M |
330 ± 20% |
386 |
1.18 |
1.28 |
|
CDH129-471M |
470 ± 20% |
471 |
0.95 |
1.06 |
|
CDH129-561M |
560 ± 20% |
650 |
0.93 |
1.01 |
|
CDH129-681M |
680 ± 20% |
730 |
0.76 |
0.83 |
|
CDH129-821M |
820 ± 20% |
936 |
0.74 |
0.81 |
|
CDH129-102M |
1000 ± 20% |
1220 |
0.65 |
0.7 |
|
CDH129-122M |
1200 ± 20% |
1520 |
0.59 |
0.64 |
|
CDH129-152M |
1500 ± 20% |
1990 |
0.51 |
0.56 |
|
CDH129-182M |
1800 ± 20% |
2180 |
0.42 |
0.48 |
|
CDH129-222M |
2200 ± 20% |
2580 |
0.4 |
0.43 |
Notes:
Test Conditions: All test data is referenced to 25°C ambient.
Operating Temperature Range: -40°C to +125°C (ambient plus self-temperature rise).
Idc (Rating Current): DC current (A) that will cause an approximate ΔT of 40°C.
Isat (Saturation Current): DC current (A) that will cause L₀ to drop approximately 35%.
Temperature Limit: The part temperature (ambient + temp rise) should not exceed 125°C under worst-case operating conditions.
Shape and Dimensions
Packaging
Packaging: Embossed Carrier Tape
Reel Diameter: 330 mm
Tape Width: 24 mm
Quantity/Reel: 350 pcs
Solder Reflow Profile
Preheat condition: 150~180°C / 2 min.
Peak Temperature: 260°C ± 3°C (10 sec max).
Time above 230°C: 30 sec min.
(Note: This profile is for qualification only. Actual profiles must be based on the customer's specific board design and process.)
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