Shielded SMD Power Inductors - SDRS7045 Series
Product Overview
The SDRS7045 Series Shielded SMD Power Inductors from SHENZHEN LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD. are designed for high-performance applications requiring efficient power management. These inductors feature a closed magnetic circuit design to minimize flux leakage, high saturation current, and low DC resistance. Their highly accurate dimensions ensure suitability for automatic mounting processes. Available in various package sizes and a wide inductance range, these inductors comply with RoHS, Halogen Free, and REACH standards. They are ideal for use in thin-screen TVs, LCDs, AV equipment, gaming equipment, and DC/DC converters.
Product Attributes
- Brand: LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD.
- Series: SDRS7045
- Type: Shielded SMD Power Inductors
- Certifications: RoHS, Halogen Free, REACH Compliance
- Magnetic Circuit Design: Closed magnetic circuit
Technical Specifications
| Model | Inductance (H) | Tolerance | Test Frequency | DCR () Max | Saturation Current (A) Max | Temperature Rise Current (A) Max |
|---|---|---|---|---|---|---|
| SDRS7045-3R3N | 3.3 | 30% | 100KHz | 0.020 | 2.50 | 2.30 |
| SDRS7045-4R7N | 4.7 | 30% | 100KHz | 0.030 | 2.00 | 2.10 |
| SDRS7045-6R8N | 6.8 | 30% | 100KHz | 0.039 | 1.70 | 1.74 |
| SDRS7045-100N | 10 | 30% | 100KHz | 0.036 | 1.30 | 1.78 |
| SDRS7045-150N | 15 | 30% | 100KHz | 0.052 | 1.10 | 1.53 |
| SDRS7045-220N | 22 | 30% | 100KHz | 0.061 | 0.90 | 1.34 |
| SDRS7045-330N | 33 | 30% | 100KHz | 0.096 | 0.82 | 1.09 |
| SDRS7045-470N | 47 | 30% | 100KHz | 0.125 | 0.75 | 0.92 |
| SDRS7045-680N | 68 | 30% | 100KHz | 0.175 | 0.60 | 0.77 |
| SDRS7045-101N | 100 | 30% | 100KHz | 0.250 | 0.50 | 0.65 |
| SDRS7045-151N | 150 | 30% | 100KHz | 0.340 | 0.40 | 0.55 |
| SDRS7045-221M | 220 | 20% | 100KHz | 0.520 | 0.33 | 0.45 |
| SDRS7045-331M | 330 | 20% | 100KHz | 0.740 | 0.25 | 0.37 |
| SDRS7045-471M | 470 | 20% | 100KHz | 1.050 | 0.22 | 0.31 |
| SDRS7045-681M | 680 | 20% | 100KHz | 1.480 | 0.20 | 0.27 |
Dimensions
| Part No | L (mm) | W (mm) | H (mm) | A (mm) | B (mm) | C (mm) | D (mm) | E (mm) | I (mm) | J (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
| SDRS7045 | 7.00.2 | 7.00.2 | 4.50.3 | 4.0 | 2.0 | 2.2 | 2.0 | 4.0 | 2.0 | 4.0 |
Environmental Data
- Operating Temperature: -40 to +125 (Including coils self-temperature rise)
Product Identification Example
SDRS 7045 100 N T
- Type: SDRS (Shielded SMD Power Inductors)
- External Dimensions (LWH) (mm): 7045 (7.07.04.5)
- Inductance: 100 (10 H)
- Inductance Tolerance: N (30%)
- Packing: T (Tape & Reel)
Packaging
- Packing: Bulk Package (B), Tape & Reel (T)
- Tape Dimension (mm): W=16, P=12, W1=7.5
- Reel Dimensions (mm): 60 (Diameter), 13 (Hub Diameter), 330 (Hub Width)
- Packing Quantity: Reel (1000 PCS), Inside Box (3000 PCS), Outside Carton (12,000 PCS)
Test Equipment Used
- Inductance (L): HP4284A, HP4285A or equivalent LCR meter
- Saturation Current (Isat) & Temperature Rise Current (Irms): HP4284+42841A or equivalent
- DC Resistance (DCR): Chroma 16502 or equivalent
Usage Notes
- Storage: Within 12 months, at 5~40C and 35~65% RH.
- Environment: Avoid gas corrosive environments (salt, acid, alkali, etc.).
- Handling: Avoid direct contact with terminals by bare hands. Handle carefully to prevent damage.
- Soldering: Preheat components before soldering. Temperature difference between solder and chip should not exceed 150C.
- Thermal Design: Allow sufficient margin for self-heating when power is ON.
2410121625_LanTu-Micro-SDRS7045-330NT_C19267857.pdf
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