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Specifications
Current - Saturation (Isat):
7A
Mfr. Part #:
CKST0402-1uH/M
Package:
SMD,4.6x4.1mm
Key Attributes
Model Number:
CKST0402-1uH/M
Product Description
Product Overview
This product line features high-performance shielded inductors designed for demanding electronic applications. They offer excellent electromagnetic interference (EMI) suppression, ultra-low audible noise, and high-density mounting capabilities. Engineered with a focus on reliability and efficiency, these inductors boast small form factors with high current ratings up to 60A, maintaining superior performance in high-frequency and high-temperature environments. Constructed with low-loss alloy powder and robust build, they ensure low resistance and high product accuracy. Suitable for a wide range of operating frequencies exceeding 5MHz, these are also RoHS compliant (halogen-free) environmental products. Key applications include PADs, laptops, desktops, servers, audio systems, networking, security devices, mobile phones, and smart home devices.
Product Attributes
- Shielded structure
- Closed magnetic circuit
- High EMI suppression
- Ultra-low audible noise
- High-density mounting capability
- Small size, high current capability
- Excellent temperature rise and saturation current characteristics in high frequency and high temperature environments
- Low loss alloy powder die-casting
- Low resistance
- Robust construction
- High product accuracy
- Wide operating frequency range (up to 5MHz+)
- Halogen-free environmental product
Technical Specifications
| Type (Model) | Dimensions (A x B x C Max) (mm) | Recommended Pattern (H x I x J) (mm) | Inductance (H) | DCR (m) @25 (Typical) | Saturation Current (Isat) (A) (Typical) | Heat Rating Current (Irms) (A) (Typical) | Packaging (Reel/Carton) |
|---|---|---|---|---|---|---|---|
| CKST201210 | 2.00.2 x 1.20.2 x 1.0 Max | 1.5 x 1 x 1.5 | 0.47, 1, 2.2 | 6.1, 4.2, 2.7 | 5.4, 3.5, 2.4 | 4.3, 3.6, 2.2 | 3000 / 75K |
| CKST201610 | 2.00.2 x 1.60.2 x 1.0 Max | 1.5 x 1 x 1.8 | 0.24, 0.33, 0.47, 0.68, 1, 1.5, 2.2, 3.3, 4.7 | 6.7, 6.5, 5.6, 5.1, 4.2, 3.5, 3.0, 2.2, 2.0 | 6.1, 6.0, 5.0, 4.8, 4.0, 3.2, 2.7, 2.0, 1.7 | 5.5, 5.3, 5.0, 4.3, 4.0, 3.2, 2.7, 1.8, 1.4 | 3000 / 75K |
| CKST252010 | 2.50.2 x 2.00.2 x 1.0 Max | 2 x 1.2 x 2.2 | 0.22, 0.33, 0.47, 0.68, 1, 1.5, 2.2, 4.7, 6.8, 10 | 8.3, 7.3, 6.1, 5.7, 4.5, 4.1, 3.5, 2.3, 2.1, 1.5 | 8.0, 6.5, 5.6, 5.0, 4.0, 3.2, 3.0, 2.0, 1.8, 1.3 | 5.7, 5.0, 4.8, 4.5, 3.7, 3.3, 2.5, 1.36, 1.3, 1.2 | 3000 / 75K |
| CKST252012 | 2.50.2 x 2.00.2 x 1.2 Max | 2 x 1.2 x 2.2 | 0.24, 0.33, 0.47, 0.68, 1, 1.5, 2.2, 3.3, 4.7, 6.8, 10 | 9.0, 7.5, 6.5, 5.3, 4.8, 4.2, 3.5, 2.5, 2.4, 1.9, 1.7 | 8.5, 6.6, 5.7, 4.6, 4.3, 3.6, 3.0, 2.2, 2.0, 1.5, 1.5 | 6.4, 6.4, 4.7, 4.5, 4.1, 3.7, 2.7, 2.0, 1.8, 1.6, 1.4 | 3000 / 75K |
| CKST322512 | 3.20.2 x 2.50.2 x 1.2 Max | 2.5 x 1.2 x 2.9 | 0.47, 1, 1.5, 2.2, 3.3, 4.7, 6.8, 10 | 8.2, 6.5, 5.0, 4.5, 3.6, 3.0, 2.8, 1.9 | 7.5, 5.7, 4.5, 4.0, 3.3, 2.7, 2.4, 1.5 | 7.0, 5.5, 4.5, 4.1, 3.3, 3.0, 1.6, 1.0 | 2000 / 50K |
| CKST353220 | 3.50.2 x 3.20.2 x 2.0 Max | 3 x 1 x 3.5 | 0.47, 1, 1.5, 2.2, 3.3, 4.7, 6.8, 10 | 11.0, 7.5, 7.1, 6.0, 5.5, 4.2, 3.3, 3.0 | 9.0, 7.0, 6.6, 5.5, 5.0, 3.7, 2.8, 2.5 | 8.5, 7.0, 5.5, 5.0, 4.0, 3.5, 2.9, 2.6 | 3000 / 18K |
| CKSTT0410 | 4.00.3 x 4.00.3 x 1.0 Max | 3.5 x 1.5 x 4.5 | 0.47, 1, 2.2, 4.7, 6.8, 10 | 8.5, 6.5, 5.3, 3.5, 3.0, 2.4 | 7.5, 5.5, 4.7, 3.0, 2.5, 2.0 | 7.5, 3.7, 3.6, 2.8, 2.3, 2.1 | 3000 / 18K |
| CKST04012P | 4.40.35 x 4.20.25 x 1.2 Max | 3.7 x 1.26 x 2.5 | 0.15, 0.22, 0.33, 0.47, 0.68, 1, 1.5, 2.2 | 12.0, 8.3, 6.7, 5.4, 2.4, 4.4, 3.2, 2.7 | 9.0, 11.0, 19.0, 21.0, 36.0, 47.0, 75.0, 83.0 | 6.8, 5.7, 4.8, 4.2, 2.2, 3.8, 3.2, 2.7 | 3000 / 18K |
| CKST0402 | 4.60.25 x 4.10.35 x 2.0 Max | 3.7 x 1.26 x 2.5 | 0.1, 0.22, 0.33, 0.47, 0.56, 0.68, 1, 1.5, 2.2, 3.3, 4.7, 6.8, 8.2, 10 | 3.5, 6.0, 8.7, 12.5, 14.0, 16.0, 24.0, 38.0, 52.0, 74.0, 100.0, 162.0, 188.0, 256.0 | 4.0, 6.6, 12.5, 14.0, 16.0, 18.0, 27.0, 46.0, 58.0, 87.0, 126.0, 178.0, 216.0, 294.0 | 12.0, 9.0, 8.0, 7.0, 6.5, 5.2, 4.5, 4.0, 3.0, 2.5, 2.2, 2.0, 1.8, 1.2 | 3000 / 18K |
| CKST0502 | 5.70.25 x 5.10.35 x 2.0 Max | 4.1 x 1.9 x 2.8 | 0.47, 0.68, 1, 1.5, 2.2, 3.3, 4.7, 5.6, 6.8, 10 | 7.2, 10.0, 14.0, 26.0, 32.0, 68.0, 82.0, 90.0, 108.0, 152.0 | 10.0, 18.0, 20.0, 35.0, 45.0, 80.0, 95.0, 108.0, 130.0, 180.0 | 7.5, 6.5, 6.0, 5.5, 4.0, 3.5, 3.0, 2.9, 2.8, 2.3 | 2000 / 12K |
| CKST0503 | 5.70.25 x 5.10.35 x 3.0 Max | 4.1 x 1.9 x 2.8 | 0.22, 0.33, 0.47, 0.68, 1, 1.2, 1.5, 2.2, 3.3, 4.7, 6.8, 8.2, 10, 15, 22 | 3.6, 5.0, 6.5, 11.0, 13.0, 14.0, 17.0, 27.0, 35.0, 50.0, 69.0, 80.0, 115.0, 174.0, 230.0 | 4.5, 7.0, 7.5, 12.0, 15.0, 15.0, 25.0, 35.0, 46.0, 60.0, 86.0, 105.0, 126.0, 190.0, 260.0 | 16.0, 14.0, 10.0, 8.0, 7.0, 6.5, 6.0, 5.5, 4.5, 4.0, 3.5, 3.3, 2.5, 1.8, 1.3 | 1500 / 9K |
| CKST0603 | 7.4 Max x 6.60.2 x 3.0 Max | 6.05 x 2.35 x 3.5 | 0.1, 0.15, 0.22, 0.33, 0.47, 0.68, 0.82, 1, 1.5, 2.2, 3.3, 4.7, 6.8, 8.2, 10, 15, 22, 33, 47 | 1.5, 1.9, 2.5, 3.0, 3.5, 5.3, 6.0, 7.0, 10.6, 15.5, 23.0, 34.5, 47.0, 58.5, 64.0, 106.0, 165.0, 250.0, 300.0 | 1.7, 2.5, 3.0, 3.5, 4.1, 5.9, 7.0, 7.5, 12.1, 17.5, 26.0, 38.0, 50.0, 65.0, 68.0, 115.0, 189.0, 270.0, 350.0 | 32.5, 30.0, 23.0, 21.0, 18.0, 16.0, 14.0, 12.0, 11.0, 8.0, 6.0, 5.0, 4.5, 4.0, 4.0, 2.6, 2.3, 2.0, 1.7 | 1500 / 9K |
| CKST0605 | 7.5 Max x 6.60.2 x 5.0 Max | 6.05 x 2.35 x 3.5 | 1, 1.5, 2.2, 3.3, 4.7, 6.8, 10, 15, 22, 33, 47, 68 | 5.6, 7.1, 11.6, 19.6, 27.0, 38.0, 46.0, 72.0, 115.0, 158.0, 260.0, 425.0 | 6.5, 8.5, 13.5, 22.0, 30.0, 44.0, 55.0, 85.0, 130.0, 180.0, 290.0, 468.0 | 12.0, 10.0, 7.0, 6.5, 5.7, 5.0, 4.5, 3.5, 2.8, 2.4, 2.0, 1.2 | 1000 / 6K |
| CKST1003 | 11.6 Max x 10.10.3 x 3.0 Max | 9.5 x 3.5 x 4.0 | 0.22, 0.33, 0.47, 0.56, 0.68, 1, 1.5, 2.2, 3.3, 4.7, 5.6, 6.8, 8.2, 10, 15, 22 | 1.07, 1.3, 2.1, 2.4, 2.9, 5.5, 6.5, 8.0, 14.5, 20.5, 27.0, 30.0, 35.0, 50.0, 59.0, 90.0 | 1.2, 1.6, 2.5, 3.0, 3.4, 6.0, 7.5, 9.0, 16.0, 25.0, 30.0, 35.0, 45.0, 55.0, 65.0, 99.0 | 30.0, 23.0, 23.0, 22.0, 21.0, 15.0, 12.0, 11.0, 9.0, 7.0, 6.0, 5.5, 5.0, 4.5, 4.0, 3.0 | 1000 / 4K |
| CKST1004 | 11.6 Max x 10.10.3 x 4.0 Max | 9.5 x 3.5 x 4.0 | 0.15, 0.22, 0.36, 0.47, 0.56, 0.68, 0.82, 1, 1.5, 2.2, 3.3, 4.7, 6.8, 8.2, 10, 15, 22, 33, 47, 68 | 0.53, 0.9, 1.05, 1.53, 1.6, 2.1, 2.7, 3.0, 3.8, 6.0, 10.8, 14.0, 22.5, 25.0, 27.0, 40.0, 60.0, 85.0, 130.0, 192.0 | 0.65, 1.1, 1.2, 1.68, 1.8, 2.4, 3.9, 3.3, 4.2, 7.0, 11.8, 16.5, 25.0, 27.0, 30.0, 45.0, 66.0, 92.0, 150.0, 205.0 | 75.0, 35.0, 34.0, 28.0, 27.0, 23.0, 20.0, 20.0, 16.0, 14.0, 11.0, 8.5, 8.0, 7.5, 6.5, 6.3, 5.0, 4.0, 3.0, 2.3 | 1000 / 4K |
| CKST1005 | 11.6 Max x 10.10.3 x 5.0 Max | 9.5 x 3.5 x 4.0 | 0.22, 1, 1.5, 1.8, 2.2, 3.3, 4.7, 5.6, 6.8, 10, 15, 22, 33, 47, 68 | 0.6, 2.3, 3.2, 3.5, 5.5, 9.2, 12.0, 14.0, 16.0, 23.0, 35.0, 58.0, 70.0, 130.0, 185.0 | 0.8, 3.0, 4.0, 5.0, 6.6, 11.0, 15.0, 18.0, 19.2, 28.0, 42.0, 70.0, 84.0, 150.0, 205.0 | 37.0, 19.0, 16.0, 15.0, 13.0, 11.0, 10.0, 8.5, 8.0, 7.0, 6.5, 5.5, 4.5, 3.0, 2.5 | 800 / 3.2K |
| CKST1205 | 13.8 Max x 12.60.3 x 5.0 Max | 10.5 x 4 x 5.5 | 0.33, 0.36, 0.47, 1, 1.5, 1.8, 2.2, 3.3, 4.7, 5.6, 6.8, 8.2, 10, 15, 22, 33, 47 | 0.75, 0.77, 1.0, 1.9, 3.4, 3.5, 4.0, 7.5, 9.0, 13.0, 18.0, 19.0, 24.0, 27.0, 42.0, 60.0, 100.0 | 0.9, 1.1, 1.3, 2.5, 4.1, 4.5, 5.0, 9.0, 11.5, 15.0, 22.0, 24.0, 29.0, 32.0, 50.0, 84.0, 130.0 | 46.0, 41.0, 37.0, 29.0, 23.0, 18.0, 15.0, 12.0, 11.0, 10.5, 9.0, 8.5, 7.5, 6.0, 5.0, 3.5, 3.0 | 400 / 1.6K |
| CKST1206 | 13.8 Max x 12.60.3 x 6.0 Max | 10.5 x 4 x 5.5/3.5 | 0.33, 1, 1.5, 2.2, 3.3, 4.7, 6.8, 8.2, 10, 15, 18, 22, 27, 33, 47, 68, 82, 100, 120, 150 | 0.58, 1.4, 2.5, 4.2, 5.6, 7.2, 10.0, 13.6, 18.0, 25.0, 30.0, 34.0, 54.0, 65.0, 80.0, 115.0, 120.0, 180.0, 210.0, 300.0 | 0.8, 1.7, 4.0, 6.0, 9.0, 10.5, 13.8, 16.0, 20.7, 29.0, 35.0, 39.5, 60.0, 75.0, 90.0, 130.0, 140.0, 200.0, 235.0, 350.0 | 43.0, 24.0, 22.0, 18.0, 12.0, 11.5, 11.5, 11.0, 10.0, 6.0, 5.0, 5.0, 4.0, 4.0, 3.5, 3.3, 3.0, 2.5, 2.3, 2.0 | 400 / 1.6K |
| CKST1707 | 17.51.0 x 17.5 Max x 7.0 Max | 11.94 x 3.4 x 12.6 | 1, 1.5, 2.2, 3.3, 4.7, 6.8, 8.2, 10, 15, 22, 33, 47, 56, 68, 100 | 1.5, 2.1, 2.3, 2.9, 4.4, 6.2, 10.0, 10.0, 16.5, 20.0, 30.0, 43.0, 55.0, 58.0, 103.0 | 1.9, 2.8, 3.0, 3.2, 5.8, 8.0, 13.0, 13.0, 22.0, 26.0, 38.5, 53.0, 60.5, 79.0, 123.0 | 32.0, 23.0, 18.0, 15.0, 13.0, 10.5, 9.5, 9.5, 9.0, 8.5, 8.0, 6.0, 5.2, 4.5, 4.0 | 300 / 1.2K |
Remarks:
- All test data is referenced to 25 ambient.
- Test Condition: 1MHz, 1Vrms (unless otherwise specified).
- Isat: DC current at which the inductance drops less than 30% from its value without current (Typical); Max. Value, DC current at which the inductance drops less than 30% from its value without current.
- Irms: DC current that will cause an approximate temperature rise of 40 (Typical); For Max. Value, T40.
- Operating temperature range: -40 to +125 (Including self-temperature rise).
- Absolute maximum voltage: DC 25V (for most series), DC 75V (for some series).
Packaging Specifications
| Type (Model) | Tape Width (mm) | Reel Dimension (mm) | Quantity (Pcs/Reel) | Quantity (Pcs/Carton) |
|---|---|---|---|---|
| CKST201210 | 8.0 | 178 | 3000 | 75K |
| CKST201610 | 8.0 | 178 | 3000 | 75K |
| CKST252010 | 8.0 | 178 | 3000 | 75K |
| CKST252012 | 8.0 | 178 | 3000 | 75K |
| CKST322512 | 8.0 | 178 | 2000 | 50K |
| CKST353220 | 12.0 | 330 | 3000 | 18K |
| CKSTT0410 | 12.0 | 330 | 3000 | 18K |
| CKST04012P | 12.0 | 330 | 3000 | 18K |
| CKST0402 | 12.0 | 330 | 3000 | 18K |
| CKST0502 | 16.0 | 330 | 2000 | 12K |
| CKST0503 | 16.0 | 330 | 1500 | 9K |
| CKST0603 | 16.0 | 330 | 1500 | 9K |
| CKST0605 | 16.0 | 330 | 1000 | 6K |
| CKST1003 | 24.0 | 330 | 1000 | 4K |
| CKST1004 | 24.0 | 330 | 1000 | 4K |
| CKST1005 | 24.0 | 330 | 800 | 3.2K |
| CKST1205 | 24.0 | 330 | 400 | 1.6K |
| CKST1206 | 24.0 | 330 | 400 | 1.6K |
| CKST1707 | 32.0 | 330 | 300 | 1.2K |
2410121505_CENKER-CKST0402-1uH-M_C3002592.pdf
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