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Specifications
Current - Saturation (Isat):
3.8A
Mfr. Part #:
SDRI74-4R7NT
Package:
SMD,7.5x7.5mm
Key Attributes
Model Number:
SDRI74-4R7NT
Product Description
Product Overview
The SDRI74 Series Shielded SMD Power Inductors from SHENZHEN LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD. are designed for high-performance power supply applications. These inductors feature a high saturation current, low DCR, and a closed magnetic circuit design to minimize leakage. Their highly accurate dimensions ensure compatibility with automatic mounting processes. Available in various package sizes and a wide inductance range, these inductors are RoHS, Halogen Free, and REACH compliant. They are suitable for applications including VTRs, LCD televisions, notebook PCs, portable communication equipment, and DC/DC converters.
Product Attributes
- Brand: LANTU MICRO ELECTRIC TECHNOLOGY
- Origin: SHENZHEN, CHINA
- Series: SDRI74 Series
- Product Type: Shielded SMD Power Inductors
- Certifications: RoHS, Halogen Free, REACH Compliance
Technical Specifications
| Part No | Inductance (H) @0A | Tolerance | Test Freq Min | Q Factor Min @ Test Freq | DCR () Max | Saturation Current (A) Max | Temperature Rise Current (A) Max |
|---|---|---|---|---|---|---|---|
| SDRI74-2R2N | 2.2 | 30% | 100KHz | 30 @ 1MHz | 0.0147 | 5.20 | 5.00 |
| SDRI74-3R3N | 3.3 | 30% | 100KHz | 30 @ 1MHz | 0.0214 | 4.60 | 4.00 |
| SDRI74-4R7N | 4.7 | 30% | 100KHz | 30 @ 1MHz | 0.0310 | 3.80 | 3.40 |
| SDRI74-6R8N | 6.8 | 30% | 100KHz | 30 @ 1MHz | 0.035 | 3.20 | 2.30 |
| SDRI74-8R2N | 8.2 | 30% | 100KHz | 30 @ 1MHz | 0.042 | 3.00 | 2.10 |
| SDRI74-100N | 10 | 30% | 100KHz | 35 @ 1MHz | 0.049 | 2.95 | 1.84 |
| SDRI74-120M | 12 | 20% | 100KHz | 35 @ 1MHz | 0.058 | 2.85 | 1.71 |
| SDRI74-150M | 15 | 20% | 100KHz | 35 @ 1MHz | 0.081 | 2.80 | 1.47 |
| SDRI74-180M | 18 | 20% | 100KHz | 35 @ 1MHz | 0.091 | 2.50 | 1.31 |
| SDRI74-220M | 22 | 20% | 100KHz | 35 @ 1MHz | 0.110 | 2.10 | 1.23 |
| SDRI74-270M | 27 | 20% | 100KHz | 35 @ 1MHz | 0.150 | 1.90 | 1.12 |
| SDRI74-330M | 33 | 20% | 100KHz | 35 @ 1MHz | 0.170 | 1.80 | 0.96 |
| SDRI74-390M | 39 | 20% | 100KHz | 35 @ 1MHz | 0.230 | 1.70 | 0.91 |
| SDRI74-470M | 47 | 20% | 100KHz | 35 @ 1MHz | 0.260 | 1.50 | 0.88 |
| SDRI74-560M | 56 | 20% | 100KHz | 35 @ 1MHz | 0.350 | 1.32 | 0.75 |
| SDRI74-680M | 68 | 20% | 100KHz | 35 @ 1MHz | 0.380 | 1.08 | 0.69 |
| SDRI74-820M | 82 | 20% | 100KHz | 35 @ 1MHz | 0.430 | 1.05 | 0.61 |
| SDRI74-101M | 100 | 20% | 100KHz | 40 @ 0.796MHz | 0.610 | 1.02 | 0.60 |
| SDRI74-121M | 120 | 20% | 100KHz | 40 @ 0.796MHz | 0.660 | 0.98 | 0.52 |
| SDRI74-151M | 150 | 20% | 100KHz | 40 @ 0.796MHz | 0.880 | 0.95 | 0.46 |
| SDRI74-181M | 180 | 20% | 100KHz | 40 @ 0.796MHz | 0.980 | 0.74 | 0.42 |
| SDRI74-221M | 220 | 20% | 100KHz | 40 @ 0.796MHz | 1.170 | 0.70 | 0.36 |
| SDRI74-271M | 270 | 20% | 100KHz | 40 @ 0.796MHz | 1.640 | 0.57 | 0.34 |
| SDRI74-331M | 330 | 20% | 100KHz | 40 @ 0.796MHz | 1.860 | 0.56 | 0.32 |
| SDRI74-391M | 390 | 20% | 100KHz | 40 @ 0.796MHz | 2.850 | 0.45 | 0.29 |
| SDRI74-471M | 470 | 20% | 100KHz | 40 @ 0.796MHz | 3.010 | 0.45 | 0.26 |
| SDRI74-561M | 560 | 20% | 100KHz | 40 @ 0.796MHz | 3.620 | 0.43 | 0.23 |
| SDRI74-681M | 680 | 20% | 100KHz | 40 @ 0.796MHz | 4.630 | 0.37 | 0.22 |
| SDRI74-821M | 820 | 20% | 100KHz | 40 @ 0.796MHz | 5.200 | 0.35 | 0.20 |
| SDRI74-102M | 1000 | 20% | 100KHz | 40 @ 0.796MHz | 6.000 | 0.33 | 0.18 |
| Definitions: Saturation Current: DC current at which inductance drops 30% from its value without current. Temperature Rise 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. | |||||||
| Part No | External Dimensions (LWH) (mm) | Inductance Tolerance | Packing |
|---|---|---|---|
| SDRI74 | 7.57.54.5 | J:5%, K: 10%, L: 15%, M: 20%, P: 25%, N: 30% | T: Tape & Reel, B: Bulk Package |
| ITEM | A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|---|
| SDRI74 | 7.5 Max | 7.5 Max | 4.5 Max | 1.8 | 5.0 | 1.6 | 4.8 | 2.2 |
Packaging Specifications
| Part No | Tape Dimension W (mm) | P (mm) | H (mm) | Reel Dimensions A (mm) | B (mm) | C (mm) | D (mm) | REEL (PCS) | Inside Box (PCS) | Outside Carton (PCS) |
|---|---|---|---|---|---|---|---|---|---|---|
| SDRI74 | 16 | 12 | 11.5 | 16.5 | 100 | 13 | 330 | 1000 | 3000 | 12,000 |
Environmental Data
- Operating Temperature: -55 to +125 (Including coils self-temperature rise)
2410121442_LanTu-Micro-SDRI74-4R7NT_C5127314.pdf
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