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Specifications
Current - Saturation (Isat):
15A
Mfr. Part #:
CKSFQ2918H-22uH/M
Package:
SMD-3P,27.9x27.9mm
Key Attributes
Model Number:
CKSFQ2918H-22uH/M
Product Description
High Current Power Inductor
Product Overview
This high current power inductor features an assemblage design for a sturdy structure and a magnetic shielded design with low magnetic flux. It offers low DC resistance and supports high currents, making it ideal for applications such as high-efficiency DC/DC storage chokes and resonant switching power supplies.
Product Attributes
- Brand: CKSF (Implied from Part Numbering System)
- Structure: Assemblage design, Magnetic shielded
- Materials: Ferrite Core, Tin-plated copper wires Clip, Polyurethane enameled copper wire, Ink Marking
Technical Specifications
Part Numbering System
CKSFQ 2915H - 4.7uH /M
- (1) Type: CKSFQ
- (2) External Dimensions: 2915H
- (3) Inductance: 4.7uH
- (4) Inductance Tolerance: M (20%)
Shapes and Dimensions (Unit: mm)
| TYPE() | A | B | C | D | E | F | G | J | I | K |
|---|---|---|---|---|---|---|---|---|---|---|
| CKSFQ2915H | 27.9Max | 27.9Max | 15.4Max | 19.7Max | 4.00.3 | 6.51.0 | 10.430.5 | 3.8Min | 3.0Ref | 3.0Ref |
| CKSFQ2915L | 27.9Max | 27.9Max | 15.4Max | 19.7Max | 4.00.3 | 6.51.0 | 10.430.5 | 3.8Min | 3.0Ref | 3.0Ref |
| CKSFQ2915H | 27.9Max | 27.9Max | 18.5Max | 19.7Max | 4.00.3 | 6.51.0 | 10.430.5 | 3.8Min | 3.0Ref | 3.0Ref |
Temperature Rating
- Operating temperature range (individual chip without packing): -40 to +125
- Storage temperature range (packaging conditions): -10~+40 and RH 70% (Max.)
Test and Measurement Procedures
- Inductance (L): Tested at 100kHz, 0.1V
- DC Resistance (DCR): Measured using Keysight 34420A or equivalent.
- Saturation Current (Isat): DC current when inductance decreases 30% of its initial value.
- Temperature rise current (Irms): DC current when chip surface temperature rises by 40 against initial surface temperature (Ta).
Reflow Soldering Profile
- Preheat condition: 150~200 /60~120sec.
- Allowed time above 217: 60~90sec.
- Max temp: 260
- Max time at max temp: 10sec
- Solder paste: Sn/3.0Ag/0.5Cu
- Allowed Reflow time: 2 times max
Specification Table: CKSFQ2915L Series
| PART NUMBER | Inductance (H) | DC Resistance (m) Typ | DC Resistance (m) Max | Saturation Current (Isat) (A) Typ | Rated Current (Irms) (A) Typ | Tol |
|---|---|---|---|---|---|---|
| CKSFQ2915L-1.5uH/M | 1.5 | 1.05 | 1.20 | 100 | 36.2 | 20% |
| CKSFQ2915L-2.2uH/M | 2.2 | 1.05 | 1.20 | 84.8 | 36.2 | 20% |
| CKSFQ2915L-3.3uH/M | 3.3 | 1.05 | 1.20 | 57.0 | 36.2 | 20% |
| CKSFQ2915L-4.7uH/M | 4.7 | 1.05 | 1.20 | 39.0 | 36.2 | 20% |
| CKSFQ2915L-6.8uH/M | 6.8 | 1.05 | 1.20 | 27.8 | 36.2 | 20% |
| CKSFQ2915L-10uH/M | 10.0 | 1.05 | 1.20 | 17.6 | 36.2 | 20% |
| CKSFQ2915L-15uH/M | 15.0 | 1.05 | 1.20 | 11.0 | 36.2 | 20% |
| CKSFQ2915L-22uH/M | 22.0 | 1.05 | 1.20 | 6.8 | 36.2 | 20% |
| CKSFQ2915L-33uH/M | 33.0 | 1.05 | 1.20 | 3.3 | 36.2 | 20% |
Specification Table: CKSFQ2915H Series
| PART NUMBER | Inductance (H) | DC Resistance (m) Typ | DC Resistance (m) Max | Saturation Current (Isat) (A) Typ | Rated Current (Irms) (A) Typ | Tol |
|---|---|---|---|---|---|---|
| CKSFQ2915H-2.2uH/M | 2.2 | 1.35 | 1.53 | 100 | 32.8 | 20% |
| CKSFQ2915H-3.3uH/M | 3.3 | 1.35 | 1.53 | 68.0 | 32.8 | 20% |
| CKSFQ2915H-4.7uH/M | 4.7 | 1.35 | 1.53 | 50.0 | 32.8 | 20% |
| CKSFQ2915H-6.8uH/M | 6.8 | 1.35 | 1.53 | 36.0 | 32.8 | 20% |
| CKSFQ2915H-10uH/M | 10.0 | 1.35 | 1.53 | 23.0 | 32.8 | 20% |
| CKSFQ2915H-15uH/M | 15.0 | 1.35 | 1.53 | 15.0 | 32.8 | 20% |
| CKSFQ2915H-22uH/M | 22.0 | 1.35 | 1.53 | 9.6 | 32.8 | 20% |
| CKSFQ2915H-33uH/M | 33.0 | 1.35 | 1.53 | 5.9 | 32.8 | 20% |
Specification Table: CKSFQ2918H Series
| PART NUMBER | Inductance (H) | DC Resistance (m) Typ | DC Resistance (m) Max | Saturation Current (Isat) (A) Typ | Rated Current (Irms) (A) Typ | Tol |
|---|---|---|---|---|---|---|
| CKSFQ2918H-1.0uH/M | 1.0 | 0.44 | 0.50 | 100 | 54 | 20% |
| CKSFQ2918H-1.5uH/M | 1.5 | 0.44 | 0.50 | 91.8 | 54 | 20% |
| CKSFQ2918H-3.3uH/M | 3.3 | 2.15 | 2.58 | 94.0 | 30 | 20% |
| CKSFQ2918H-4.7uH/M | 4.7 | 2.15 | 2.58 | 65.0 | 30 | 20% |
| CKSFQ2918H-6.8uH/M | 6.8 | 2.15 | 2.58 | 48.0 | 30 | 20% |
| CKSFQ2918H-10uH/M | 10.0 | 2.15 | 2.58 | 33.0 | 30 | 20% |
| CKSFQ2918H-15uH/M | 15.0 | 2.15 | 2.58 | 24.0 | 30 | 20% |
| CKSFQ2918H-22uH/M | 22.0 | 2.15 | 2.58 | 15.0 | 30 | 20% |
| CKSFQ2918H-33uH/M | 33.0 | 2.15 | 2.58 | 10.5 | 30 | 20% |
Packaging Specification
Plastic Tray Dimensions: 30pcs/Tray, 1 Tray/Box (30pcs/Box), 9 Box/Carton (240pcs/Carton)
2410121542_CENKER-CKSFQ2918H-22uH-M_C19268494.pdf
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