Product Overview
The SHENZHEN LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD. SMS1040 Series are ultra-high current, thin-profile SMD power inductors designed for high-density installations. Featuring magnetic shielding for strong anti-electromagnetic interference, these inductors offer high reliability with an integral construction for excellent vibration resistance. Their composite structure results in ultra-low buzz noise, while the use of low-loss alloy powder ensures low impedance, small parasitic capacitance, and high efficiency by reducing winding DC resistance and core eddy-current loss. They operate at frequencies up to 3MHz and are RoHS, Halogen Free, and REACH compliant.
Applications: Suitable for PDA, notebook, desktop, and server applications, high current POL converters, battery-powered devices, and DC/DC converters in distributed power systems.
Product Attributes
- Brand: SHENZHEN LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD.
- Product Series: SMS1040 Series
- Type: Molding SMD Power Inductor
- Compliance: RoHS, Halogen Free, REACH
- Construction: Integral construction, Magnetic shielding
- Core Material: Low-loss alloy powder
Technical Specifications
| Part No. | Inductance (H) | Inductance Tolerance (@100KHz, 1.0V) | DCR (m) Typical | DCR (m) Max | Saturation Current (A) Typical | Heat Rating Current (A) Typical | Dimensions (LWH mm) |
|---|---|---|---|---|---|---|---|
| SMS1040-R22M | 0.22 | 20% | 1.2 | 1.5 | 60.00 | 35.00 | 11.510.04.0 |
| SMS1040-R36M | 0.36 | 20% | 1.7 | 1.9 | 50.00 | 30.00 | 11.510.04.0 |
| SMS1040-R47M | 0.47 | 20% | 1.9 | 2.2 | 40.00 | 30.00 | 11.510.04.0 |
| SMS1040-R56M | 0.56 | 20% | 2.1 | 2.4 | 33.00 | 25.00 | 11.510.04.0 |
| SMS1040-R68M | 0.68 | 20% | 2.3 | 3.0 | 30.00 | 23.00 | 11.510.04.0 |
| SMS1040-1R0M | 1.0 | 20% | 3.0 | 4.0 | 28.00 | 18.00 | 11.510.04.0 |
| SMS1040-1R5M | 1.5 | 20% | 4.8 | 5.4 | 23.00 | 16.00 | 11.510.04.0 |
| SMS1040-2R2M | 2.2 | 20% | 7.2 | 9.0 | 18.00 | 12.00 | 11.510.04.0 |
| SMS1040-3R3M | 3.3 | 20% | 10.8 | 11.8 | 16.00 | 10.00 | 11.510.04.0 |
| SMS1040-4R7M | 4.7 | 20% | 17.0 | 20.0 | 15.00 | 8.50 | 11.510.04.0 |
| SMS1040-5R6M | 5.6 | 20% | 20.5 | 23.0 | 13.00 | 8.00 | 11.510.04.0 |
| SMS1040-6R8M | 6.8 | 20% | 22.5 | 25.0 | 12.00 | 7.00 | 11.510.04.0 |
| SMS1040-100M | 10 | 20% | 34.0 | 37.0 | 8.50 | 5.50 | 11.510.04.0 |
| SMS1040-150M | 15 | 20% | 50.0 | 55.0 | 7.00 | 5.00 | 11.510.04.0 |
| SMS1040-220M | 22 | 20% | 60.0 | 66.0 | 6.00 | 4.00 | 11.510.04.0 |
| SMS1040-330M | 33 | 20% | 85.0 | 92.0 | 5.00 | 3.50 | 11.510.04.0 |
| SMS1040-470M | 47 | 20% | 141.0 | 155.0 | 4.50 | 3.00 | 11.510.04.0 |
| SMS1040-680M | 68 | 20% | 200.0 | 220.0 | 3.80 | 2.30 | 11.510.04.0 |
| SMS1040-101M | 100 | 20% | 237.0 | 290.0 | 3.00 | 2.00 | 11.510.04.0 |
| Shape and Dimensions (mm) | A (Max) | B (0.30) | C (Max) | D (Typ) | E (Typ) | F | G | H |
|---|---|---|---|---|---|---|---|---|
| SMS1040 | 11.50 | 10.00 | 4.00 | 3.00 | 2.00 | 4.10 | 13.60 | 5.40 |
| Inductance Tolerance | Packaging |
|---|---|
| J:5%, K: 10%, L: 15%, M: 20%, P: 25%, N: 30% | Bulk Package (B), Tape & Reel (T) |
Environmental Data:
- Operating Temperature: -55 to +125 (Including coils self-temperature rise)
Test Equipment:
- Inductance (L): WK3260B LCR meter or equivalent
- Saturation Current (Isat) & Heat Rating Current (Irms): WK3260B+WK3265B or equivalent
- DC Resistance (DCR): Chroma 16502 or equivalent
Definitions:
- Saturation Current: DC current at which inductance drops 30% from its value without current.
- Heat Rating Current: The actual value of DC current when the temperature rise is T 40 (Ta=25).
- Rated DC Current: The lesser value of Isat or Irms.
Special Remind: Circuit design, component, PCB trace size and thickness, airflow and other cooling provisions all affect the part temperature. Part temperature should be verified in the end application.
Packaging Specifications:
| Part No. | Tape Dimension W (mm) | Tape Dimension P (mm) | Tape Dimension W1 (mm) | Reel Dimensions A (mm) | Reel Dimensions B (mm) | Reel Dimensions C (mm) | Reel Dimensions D (mm) | REEL (PCS) | Inside Box (PCS) | Outside Carton (PCS) |
|---|---|---|---|---|---|---|---|---|---|---|
| SMS1040 | 24.0 | 16.0 | 11.5 | 24.4 | 100 | 13 | 330 | 1000 | 2000 | 8000 |
Cover tape peel off condition:
- a) Cover tape peel force shall be 10 to 120g
- b) Noodle strip peeling angle 165 to 180
Packing quantity: REEL 13 PE Bag. Inside Box, Outside Carton. Insufficient quantities to fill a full carton will be packed with inner boxes or cushioning material.
2410121635_LanTu-Micro-SMS1040-680MT_C5127509.pdf
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