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Specifications
Current - Saturation (Isat):
9.6A
Mfr. Part #:
CKDFQ2915H-22uH/MC
Package:
Through Hole-3P,27.9x23mm
Key Attributes
Model Number:
CKDFQ2915H-22uH/MC
Product Description
Product Overview
This high-current power inductor features an assemblage design with a sturdy structure and magnetic shielding for low magnetic flux. It offers low DC resistance, supporting high current capabilities. Ideal for use as energy storage inductors in high-efficiency DC/DC converters and resonant switching power supplies.
Product Attributes
- Structure: Assemblage design, Magnetic shielded
- Materials: Ferrite core, Tin-plated copper clip, Polyurethane enameled copper wire, Marking Ink
Technical Specifications
Part Numbering System
CKDFQ 2915H - 4.7uH /M
- (1) Type
- (2) External Dimensions
- (3) Inductance
- (4) Inductance Tolerance (M: 20%)
Shapes and Dimensions
| TYPE | F (mm) | F' (mm) | A (Max) | B (Max) | C (Max) | D (Max) | E (0.3) | G (0.5) | H (0.15) | I (Ref) | J (0.5) | K (Ref) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CKDFQ2915H | 0.90.15 | 1.4 | 27.9 | 23.0 | 15.4 | 19.7 | 4.0 | 10.43 | 0.5 | 3.0 | 3.0 | 21.0 |
| CKDFQ2915L | 0.90.15 | 1.4 | 27.9 | 23.0 | 15.4 | 19.7 | 4.0 | 10.43 | 0.5 | 3.0 | 3.0 | 21.0 |
| CKDFQ2918H | 1.0~1.5uH: 1.70.15 3.3~33uH: 0.80.15 | 2.3 1.3 | 27.9 | 23.0 | 18.5 | 19.7 | 4.0 | 10.43 | 0.5 | 3.0 | 3.0 | 21.0 |
Temperature Rating
- Operating Temperature Range (individual chip): -40 to +125
- Storage Temperature Range (packaging conditions): -10 to +40, 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 at which inductance decreases by 30% of its initial value
- Temperature Rise Current (Irms): DC current at which chip surface temperature rises by 40 against initial surface temperature (Ta=25)
Reflow Soldering Profile
| Profile Feature | Pb-Free Assembly | Sn-Pb Assembly |
|---|---|---|
| Preheat Temperature Min (Ts min) | 100 C | 100 C |
| Preheat Temperature Typical (Ts typical) | 120 C | 120 C |
| Preheat Temperature Max (Ts max) | 130 C | 130 C |
| Preheat Time (ts) from Ts min to Ts max | 70 seconds | 70 seconds |
| Ramp-up Rate ( T) | 150 C max. | 150 C max. |
| Peak Temperature (Tp) | 250 C - 260 C | 235 C - 260 C |
| Time of actual peak temperature (tp) max. | 10 seconds | 5 seconds each wave max. |
| Ramp-down Rate, Min | ~ 2 K/ second | ~ 2 K/ second |
| Ramp-down Rate, Typical | ~ 3.5 K/ second | ~ 3.5 K/ second |
| Ramp-down Rate, Max | ~ 5 K/ second | ~ 5 K/ second |
| Time 25 C to 25 C | 4 minutes | 4 minutes |
Specification Table - CKDFQ2915L Series
| PART NUMBER | Inductance (H) | DC Resistance (m) | Saturation Current (Isat) (A) | Rated Current (Irms) (A) | |
|---|---|---|---|---|---|
| Tol 20% | Typ | Max | Typ | Typ | |
| CKDFQ2915L-1.5uH/MC | 1.5 | 1.05 | 1.20 | 100 | 36.2 |
| CKDFQ2915L-2.2uH/MC | 2.2 | 1.05 | 1.20 | 84.8 | 36.2 |
| CKDFQ2915L-3.3uH/MC | 3.3 | 1.05 | 1.20 | 57.0 | 36.2 |
| CKDFQ2915L-4.7uH/MC | 4.7 | 1.05 | 1.20 | 39.0 | 36.2 |
| CKDFQ2915L-6.8uH/MC | 6.8 | 1.05 | 1.20 | 27.8 | 36.2 |
| CKDFQ2915L-10uH/MC | 10.0 | 1.05 | 1.20 | 17.6 | 36.2 |
| CKDFQ2915L-15uH/MC | 15.0 | 1.05 | 1.20 | 11.0 | 36.2 |
| CKDFQ2915L-22uH/MC | 22.0 | 1.05 | 1.20 | 6.8 | 36.2 |
| CKDFQ2915L-33uH/MC | 33.0 | 1.05 | 1.20 | 3.3 | 36.2 |
Specification Table - CKDFQ2915H Series
| PART NUMBER | Inductance (H) | DC Resistance (m) | Saturation Current (Isat) (A) | Rated Current (Irms) (A) | |
|---|---|---|---|---|---|
| Tol 20% | Typ | Max | Typ | Typ | |
| CKDFQ2915H-2.2uH/MC | 2.2 | 1.35 | 1.53 | 100 | 32.8 |
| CKDFQ2915H-3.3uH/MC | 3.3 | 1.35 | 1.53 | 68.0 | 32.8 |
| CKDFQ2915H-4.7uH/MC | 4.7 | 1.35 | 1.53 | 50.0 | 32.8 |
| CKDFQ2915H-6.8uH/MC | 6.8 | 1.35 | 1.53 | 36.0 | 32.8 |
| CKDFQ2915H-10uH/MC | 10.0 | 1.35 | 1.53 | 23.0 | 32.8 |
| CKDFQ2915H-15uH/MC | 15.0 | 1.35 | 1.53 | 15.0 | 32.8 |
| CKDFQ2915H-22uH/MC | 22.0 | 1.35 | 1.53 | 9.6 | 32.8 |
| CKDFQ2915H-33uH/MC | 33.0 | 1.35 | 1.53 | 5.9 | 32.8 |
Specification Table - CKDFQ2918H Series
| PART NUMBER | Inductance (H) | DC Resistance (m) | Saturation Current (Isat) (A) | Rated Current (Irms) (A) | |
|---|---|---|---|---|---|
| Tol 20% | Typ | Max | Typ | Typ | |
| CKDFQ2918H-1.0uH/MC | 1.0 | 0.44 | 0.50 | 100 | 54 |
| CKDFQ2918H-1.5uH/MC | 1.5 | 0.44 | 0.50 | 91.8 | 54 |
| CKDFQ2918H-3.3uH/MC | 3.3 | 2.15 | 2.58 | 94.0 | 30 |
| CKDFQ2918H-4.7uH/MC | 4.7 | 2.15 | 2.58 | 65.0 | 30 |
| CKDFQ2918H-6.8uH/MC | 6.8 | 2.15 | 2.58 | 48.0 | 30 |
| CKDFQ2918H-10uH/MC | 10.0 | 2.15 | 2.58 | 33.0 | 30 |
| CKDFQ2918H-15uH/MC | 15.0 | 2.15 | 2.58 | 24.0 | 30 |
| CKDFQ2918H-22uH/MC | 22.0 | 2.15 | 2.58 | 15.0 | 30 |
| CKDFQ2918H-33uH/MC | 33.0 | 2.15 | 2.58 | 10.5 | 30 |
Packaging Specification
- Packaging Type: Plastic Tray
- Dimensions: (mm)
- Quantity per Tray: 30pcs
- Quantity per Box: 1 Tray = 30pcs
- Quantity per Carton: 9 Box = 240pcs
Notes:
1: All test data is reference to 25 ambient.
2: Test Condition100kHz0.1Vrms
3: ISaturation currentthe actual value of DC current when the inductance decrease 30% of its initial value.
4: Temperature rise currentthe actual value of DC current when the temperature rise is T40(Ta=25).
5: Special remindCircuit design, component placement, PCB size and thickness, cooling system and etc. all will affect the product temperature. Please verify the product temperature in the final application.
2410121542_CENKER-CKDFQ2915H-22uH-MC_C19268511.pdf
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