The CMKD-0624A Series is a high-current SMD Molded Inductor offering a wide inductance range in a low-profile package. It features a 7.0 mm × 6.6 mm footprint and a 2.4mm profile.
This series is engineered to provide excellent high-current performance, with saturation currents (Isat) up to 34.0A and a very low DCR (down to 2.5mΩ). Its one-piece, magnetically shielded construction ensures low EMI and high efficiency, while its power inductor core is optimized for high-frequency (up to 5MHz) DC-DC converters. The CMKD-0624A is a versatile solution for notebooks, servers, and multi-phase regulators. The specs of this SMD Molded Inductor are critical for accurate power inductor calculation in modern designs, and it is one of our most capable smd power inductor types.
Key Features
Very High Saturation Current: Rated up to 34.0A.
Low Profile: 2.4mm maximum height (D-dimension).
6-7mm Class Footprint: 7.0 mm × 6.6 mm.
Excellent Efficiency: Features low DCR (as low as 2.5mΩ) and low core loss.
Molded Construction: Magnetically shielded for low EMI.
High Frequency Operation: Suitable for frequencies up to 5MHz.
Halogen-Free & RoHS Compliant.
Operating Temperature: -55°C to +125°C.
Applications
The CMKD-0624A's high current and wide value range are ideal for:
Multi-phase regulators
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Voltage Regulator Module (VRM)
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Notebook and server regulators
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Point-of-load (POL) modules
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SSD modules
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Electrical Characteristics
|
Part No. |
Inductance (L₀) (µH) (±20%) |
Test condition |
DCR (mΩ) TYP. |
DCR (mΩ) MAX. |
Isat (A) TYP. |
Idc (A) TYP. |
|
CMKD-0624A-R22M |
0.22 |
100 kHz, 1V |
3.0 |
2.5 |
34.0 |
21.0 |
|
CMKD-0624A-R33M |
0.33 |
100 kHz, 1V |
3.5 |
4.1 |
24.5 |
18.0 |
|
CMKD-0624A-R47M |
0.47 |
100 kHz, 1V |
4.5 |
5.1 |
22.0 |
15.0 |
|
CMKD-0624A-R56M |
0.56 |
100 kHz, 1V |
6.5 |
5.5 |
17.0 |
13.0 |
|
CMKD-0624A-R68M |
0.68 |
100 kHz, 1V |
7.0 |
6.2 |
16.0 |
12.0 |
|
CMKD-0624A-1R0M |
1.0 |
100 kHz, 1V |
13.5 |
11.0 |
16.0 |
9.0 |
|
CMKD-0624A-1R5M |
1.5 |
100 kHz, 1V |
20.0 |
17.0 |
13.5 |
9.0 |
|
CMKD-0624A-2R2M |
2.2 |
100 kHz, 1V |
28.0 |
23.0 |
11.0 |
7.0 |
|
CMKD-0624A-3R3M |
3.3 |
100 kHz, 1V |
31.0 |
39.0 |
8.5 |
5.5 |
|
CMKD-0624A-4R7M |
4.7 |
100 kHz, 1V |
45.0 |
54.0 |
7.5 |
5.0 |
|
CMKD-0624A-6R8M |
6.8 |
100 kHz, 1V |
70.0 |
57.0 |
6.0 |
4.0 |
|
CMKD-0624A-100M |
10.0 |
100 kHz, 1V |
92.0 |
101.0 |
4.0 |
3.1 |
|
CMKD-0624A-150M |
15.0 |
100 kHz, 1V |
160.0 |
145.0 |
3.3 |
2.5 |
|
CMKD-0624A-220M |
22.0 |
100 kHz, 1V |
220.0 |
230.0 |
2.5 |
2.0 |
Notes:
Test Conditions: All test data is referenced to 25°C ambient.
Operating Temperature Range: -55°C to +125°C (ambient plus self-temperature rise).
Isat (Saturation Current): DC current (A) that will cause L₀ to drop approximately 30%.
Idc (Rating Current): DC current (A) that will cause an approximate ΔT of 40°C.
Temperature Limit: The part temperature (ambient + temp rise) should not exceed 125°C under worst-case operating conditions.
Performance Graphs
Shape and Dimensions
Reliability
This product is qualified against a series of mechanical and endurance tests, including Solder Heat Proof, Thermal Shock, Humidity Resistance, and Vibration. (See PDF page 24 for full details).
Packaging
Packaging: Embossed Carrier Tape
Reel Diameter: 330 mm
Tape Width: 16 mm
Quantity/Reel: 1500 pcs
Solder Reflow Profile
Preheat condition: 150~200°C / 60~120 sec.
Allowed time above 217°C: 60~90 sec.
Max temp: 260°C (compliant with J-STD-020D)
Max time at max temp: 10 sec.
Allowed Reflow time: 2x max
Solder paste: Sn/3.0Ag/0.5Cu
(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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