Compact High Precision Inductor CENKER CKST252012-2.2uH M with Shielded Structure and EMI Resistance
Product Overview
This series of inductors features a shielded structure with a closed magnetic circuit, providing strong electromagnetic interference (EMI) resistance, ultra-low buzzing, and high-density mounting capabilities. Designed for compact size and high current handling up to 60A, these inductors maintain excellent temperature rise and saturation current characteristics in high-frequency and high-temperature environments. They are constructed with low-loss alloy powder die-casting for low resistance, structural robustness, and high product precision. With a wide operating frequency range extending beyond 5MHz, these products are also halogen-free and environmentally friendly. They are ideal for applications in PADs, laptops, desktops, servers, audio systems, networking equipment, security devices, mobile phones, and smart home devices.
Product Attributes
- Shielded structure
- Closed magnetic circuit
- High EMI resistance
- Ultra-low buzzing
- High-density mounting
- Compact size, high current
- Low-loss alloy powder die-casting
- Low resistance
- Robust structure
- High product precision
- Wide operating frequency range (up to 5MHz+)
- Halogen-free
- Environmentally friendly
Technical Specifications
Dimensions and Recommended Patterns
| Type (Model) | A (mm) | B (mm) | C Max (mm) | D (mm) | E (mm) | Fig | H (mm) | I (mm) | J (mm) |
|---|---|---|---|---|---|---|---|---|---|
| CKST201210 | 2.00.2 | 1.20.2 | 1.0 | 0.60.3 | / | 1 | 1.5 | 1 | 1.5 |
| CKST201610 | 2.00.2 | 1.60.2 | 1.0 | 0.60.3 | / | 1 | 1.5 | 1 | 1.8 |
| CKST252010 | 2.50.2 | 2.00.2 | 1.0 | 0.80.3 | / | 1 | 2 | 1.2 | 2.2 |
| CKST252012 | 2.50.2 | 2.00.2 | 1.2 | 0.80.3 | / | 1 | 2 | 1.2 | 2.2 |
| CKST322512 | 3.20.2 | 2.50.2 | 1.2 | 0.80.3 | / | 1 | 2.5 | 1.2 | 2.9 |
| CKST353220 | 3.50.2 | 3.20.2 | 2.0 | 0.70.2 | / | 1 | 3 | 1 | 3.5 |
| CKSTT0410 | 4.00.3 | 4.00.3 | 1.0 | 1.10.3 | / | 1 | 3.5 | 1.5 | 4.5 |
| CKST04012P | 4.40.35 | 4.20.25 | 1.2 | 0.80.3 | 2.00.3 | 2 | 3.7 | 1.26 | 2.5 |
| CKST0402 | 4.60.25 | 4.10.35 | 2.0 | 0.760.3 | 1.50.3 | 2 | 3.7 | 1.26 | 2.5 |
| CKST0502 | 5.70.25 | 5.10.35 | 2.0 | 1.30.3 | 2.30.3 | 2 | 4.1 | 1.9 | 2.8 |
| CKST0503 | 5.70.25 | 5.10.35 | 3.0 | 1.30.3 | 2.30.3 | 2 | 4.1 | 1.9 | 2.8 |
| CKST0603 | 7.4 Max | 6.60.2 | 3.0 | 1.60.3 | 3.00.2 | 2 | 6.05 | 2.35 | 3.5 |
| CKST0605 | 7.5 Max | 6.60.2 | 5.0 | 1.60.3 | 3.00.2 | 2 | 6.05 | 2.35 | 3.5 |
| CKST1003 | 11.6 Max. | 10.10.3 | 3.0 | 2.50.5 | 3.00.5 | 2 | 9.5 | 3.5 | 4.0 |
| CKST1004 | 11.6 Max. | 10.10.3 | 4.0 | 2.50.5 | 3.00.5 | 2 | 9.5 | 3.5 | 4.0 |
| CKST1005 | 11.6 Max. | 10.10.3 | 5.0 | 2.50.5 | 3.00.5 | 2 | 9.5 | 3.5 | 4.0 |
| CKST1205 | 13.8 Max. | 12.60.3 | 5.0 | 2.70.7 | 3.00.5/3.50.5 | 2 | 10.5 | 4 | 5.5 |
| CKST1206 | 13.8 Max. | 12.60.3 | 6.0 | 2.70.7 | 3.00.5/3.50.5 | 2 | 10.5 | 4 | 5.5 |
| CKST1707 | 17.51.0 | 17.5 Max. | 7.0 | 2.50.5 | 11.940.3 | 2 | 13.8 | 3.4 | 12.6 |
Specification Tables (Selected Examples)
Note: All test data is referenced to 25 ambient. Test Condition: 1MHz, 1Vrms unless otherwise specified. Isat: Max.Value, DC current at which the inductance drops less than 30% from its value without current; Typ. Value, DC current at which the inductance drops 30% from its value without current. Irms: For Max. Value, T40; for Typ. Value, T is approximate 40. Operating temperature range: -40 to +125 (Including self-temperature rise). Absolute maximum voltage: DC 25V for most series, DC 75V for CKST0502, CKST0503, CKST0603, CKST0605, CKST1003, CKST1004, CKST1005, CKST1205, CKST1206, CKST1707.
| Part Number | Inductance (H) | DCR (m) @25 (Typical) | DCR (m) @25 (Maximum) | Saturation Current DC Amps. IsatA (Typical) | Saturation Current DC Amps. IsatA (Maximum) | Heat Rating Current DC Amps. Irms (A) (Typical) | Heat Rating Current DC Amps. Irms (A) (Maximum) |
|---|---|---|---|---|---|---|---|
| CKST201210-0.47uH/M | 0.4720% | 6.1 | 5.4 | 4.3 | 4.0 | / | / |
| CKST201610-0.24uH/M | 0.2420% | 6.7 | 6.1 | 5.5 | 5.0 | / | / |
| CKST252010-0.22uH/M | 0.2220% | 8.3 | 8.0 | 5.7 | 5.1 | / | / |
| CKST252012-0.24uH/M | 0.2420% | 9.0 | 8.5 | 6.4 | 5.6 | / | / |
| CKST322512-0.47uH/M | 0.4720% | 8.2 | 7.5 | 7.0 | 6.5 | / | / |
| CKST353220-0.47uH/M | 0.4720% | 11.0 | 9.0 | 8.5 | 8.0 | / | / |
| CKSTT0410-0.47uH/M | 0.4720% | 8.5 | 7.5 | 7.5 | 6.5 | / | / |
| CKST04012P-0.15uH/M | 0.1520% | / | / | 4.4 | / | 3.8 | / |
| CKST0402-0.1uH/N | 0.130% | / | / | 25.0 | 12.0 | / | / |
| CKST0502-0.47uH/M | 0.4720% | / | / | 7.2 | 10.0 | 12.0 | 7.5 |
| CKST0503-0.22uH/M | 0.2220% | / | / | 3.6 | 4.5 | 28.0 | 16.0 |
| CKST0603-0.1uH/N | 0.130% | / | / | 60.0 | 32.5 | / | / |
| CKST0605-1uH/M | 120% | / | / | 5.6 | 6.5 | 13.0 | 12.0 |
| CKST1003-0.22uH/M-B | 0.2220% | / | / | 1.07 | 1.2 | 50.0 | 30.0 |
| CKST1004-0.15uH/N-B | 0.1530% | / | / | 45.0 | 75.0 | / | / |
| CKST1005-0.22uH/M-B | 0.2220% | / | / | 0.6 | 0.8 | 65.0 | 37.0 |
| CKST1205-0.33uH/M-B | 0.3320% | / | / | 0.75 | 0.9 | 62.0 | 46.0 |
| CKST1206-0.33uH/M-B | 0.3320% | / | / | 0.58 | 0.8 | 65.0 | 43.0 |
| CKST1707-1uH/M | 120% | / | / | 1.5 | 1.9 | 55.5 | 32.0 |
Packaging Specification
| Type | W (mm) | A0 (mm) | B0 (mm) | K0 (mm) | D (mm) | P (mm) | P2 (mm) | Quantity (Pcs/Reel) | Quantity (Pcs/Carton) | Tape Dimension (mm) | Reel Dimension (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CKST201210 | 8.0 | 1.5 | 2.35 | 1.2 | 1.5 | 4.0 | / | 3000 | 75K | / | / |
| CKST201610 | 8.0 | 1.95 | 2.35 | 1.2 | 1.5 | 4.0 | / | 3000 | 75K | / | / |
| CKST252010 | 8.0 | 2.3 | 2.8 | 1.2 | 1.5 | 4.0 | / | 3000 | 75K | / | / |
| CKST252012 | 8.0 | 2.3 | 2.8 | 1.5 | 1.5 | 4.0 | / | 3000 | 75K | / | / |
| CKST322512 | 8.0 | 2.8 | 3.5 | 1.5 | 1.5 | 4.0 | / | 2000 | 50K | / | / |
| CKST353220 | 12.0 | 3.7 | 3.9 | 2.2 | 1.5 | 8.0 | / | 3000 | 18K | / | / |
| CKSTT0410 | 12.0 | 4.5 | 4.5 | 1.3 | 1.5 | 8.0 | / | 3000 | 18K | / | / |
| CKST04012P | 12.0 | 4.4 | 4.9 | 1.5 | 1.5 | 8.0 | / | 3000 | 18K | / | / |
| CKST0402 | 12.0 | 4.4 | 5.2 | 2.2 | 1.5 | 8.0 | / | 3000 | 18K | / | / |
| CKST0502 | 16.0 | 5.6 | 6.0 | 2.2 | 1.5 | 12.0 | / | 2000 | 12K | / | / |
| CKST0503 | 16.0 | 5.6 | 6.0 | 3.3 | 1.5 | 12.0 | / | 1500 | 9K | / | / |
| CKST0603 | 16.0 | 7.2 | 8.0 | 3.3 | 1.5 | 12.0 | / | 1500 | 9K | / | / |
| CKST0605 | 16.0 | 7.2 | 8.0 | 5.5 | 1.5 | 12.0 | / | 1000 | 6K | / | / |
| CKST1003 | 24.0 | 10.7 | 11.4 | 3.3 | 1.5 | 16.0 | / | 1000 | 4K | / | / |
| CKST1004 | 24.0 | 10.7 | 11.4 | 4.3 | 1.5 | 16.0 | / | 1000 | 4K | / | / |
| CKST1005 | 24.0 | 10.7 | 11.4 | 5.5 | 1.5 | 16.0 | / | 800 | 3.2K | / | / |
| CKST1205 | 24.0 | 13.2 | 13.4 | 5.5 | 1.5 | 20.0 | / | 400 | 1.6K | / | / |
| CKST1206 | 24.0 | 13.2 | 13.4 | 6.8 | 1.5 | 20.0 | / | 400 | 1.6K | / | / |
| CKST1707 | 32.0 | 18.0 | 18.8 | 7.5 | 1.5 | 24.0 | / | 300 | 1.2K | / | / |
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