Product Overview
The SNR8040 Series Magnetic Resin Shielded SMD Power Inductors from SHENZHEN LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD. are automatic assembly constructed power inductors featuring magnetic resin shielding to significantly reduce buzz noise to ultra-low levels. They offer large current handling capabilities with low DC resistance, excellent shock resistance due to metallization on the ferrite core, and a closed magnetic circuit design that minimizes leakage flux and enhances EMI resistance. These space-saving and power-efficient components are widely used in applications such as LED backlights, flat-screen TVs, set-top boxes, notebooks, servers, graphic cards, portable gaming devices, personal navigation systems, multimedia devices, automotive systems, telecommunication base stations, and DC-DC converters. They comply with RoHS, Halogen Free, and REACH standards.
Product Attributes
- Brand: LANTU MICRO ELECTRIC
- Series: SNR8040
- Construction: Automatic assembly, Magnetic resin shielded
- Core Material: Ferrite (metallized electrodes)
- Certifications: RoHS, Halogen Free, REACH Compliance
- Origin: SHENZHEN LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD.
Technical Specifications
| Part No. | Inductance (H) | Inductance Tolerance | Test Frequency (KHz) | Test Voltage (V) | DCR () Typical | DCR () Max | Saturation Current (A) Max | Temperature Rise Current (A) Max | Dimensions (LWH) (mm) |
|---|---|---|---|---|---|---|---|---|---|
| SNR8040-1R0M | 1.0 | 20% | 100 | 1.0 | 0.008 | 0.010 | 9.85 | 6.30 | 8.08.04.0 |
| SNR8040-1R5M | 1.5 | 20% | 100 | 1.0 | 0.010 | 0.013 | 8.15 | 5.65 | 8.08.04.0 |
| SNR8040-2R2M | 2.2 | 20% | 100 | 1.0 | 0.012 | 0.015 | 7.10 | 5.15 | 8.08.04.0 |
| SNR8040-3R3M | 3.3 | 20% | 100 | 1.0 | 0.017 | 0.022 | 6.50 | 4.40 | 8.08.04.0 |
| SNR8040-3R6M | 3.6 | 20% | 100 | 1.0 | 0.017 | 0.022 | 6.50 | 4.35 | 8.08.04.0 |
| SNR8040-4R7M | 4.7 | 20% | 100 | 1.0 | 0.019 | 0.024 | 5.90 | 4.10 | 8.08.04.0 |
| SNR8040-5R6M | 5.6 | 20% | 100 | 1.0 | 0.021 | 0.027 | 4.55 | 3.85 | 8.08.04.0 |
| SNR8040-6R8M | 6.8 | 20% | 100 | 1.0 | 0.024 | 0.031 | 4.55 | 3.60 | 8.08.04.0 |
| SNR8040-8R2M | 8.2 | 20% | 100 | 1.0 | 0.026 | 0.033 | 4.20 | 3.45 | 8.08.04.0 |
| SNR8040-100M | 10 | 20% | 100 | 1.0 | 0.029 | 0.037 | 3.60 | 3.30 | 8.08.04.0 |
| SNR8040-150M | 15 | 20% | 100 | 1.0 | 0.047 | 0.061 | 2.95 | 2.80 | 8.08.04.0 |
| SNR8040-180M | 18 | 20% | 100 | 1.0 | 0.053 | 0.068 | 2.70 | 2.40 | 8.08.04.0 |
| SNR8040-220M | 22 | 20% | 100 | 1.0 | 0.069 | 0.089 | 2.40 | 2.10 | 8.08.04.0 |
| SNR8040-270M | 27 | 20% | 100 | 1.0 | 0.078 | 0.101 | 2.15 | 2.00 | 8.08.04.0 |
| SNR8040-330M | 33 | 20% | 100 | 1.0 | 0.097 | 0.126 | 2.05 | 1.80 | 8.08.04.0 |
| SNR8040-390M | 39 | 20% | 100 | 1.0 | 0.107 | 0.139 | 1.95 | 1.70 | 8.08.04.0 |
| SNR8040-470M | 47 | 20% | 100 | 1.0 | 0.136 | 0.176 | 1.75 | 1.55 | 8.08.04.0 |
| SNR8040-680M | 68 | 20% | 100 | 1.0 | 0.196 | 0.254 | 1.45 | 1.25 | 8.08.04.0 |
| SNR8040-820M | 82 | 20% | 100 | 1.0 | 0.225 | 0.292 | 1.30 | 1.15 | 8.08.04.0 |
| SNR8040-101M | 100 | 20% | 100 | 1.0 | 0.290 | 0.377 | 1.15 | 1.00 | 8.08.04.0 |
| SNR8040-121M | 120 | 20% | 100 | 1.0 | 0.334 | 0.434 | 1.12 | 0.95 | 8.08.04.0 |
| SNR8040-151M | 150 | 20% | 100 | 1.0 | 0.410 | 0.553 | 1.10 | 0.85 | 8.08.04.0 |
| SNR8040-221M | 220 | 20% | 100 | 1.0 | 0.599 | 0.778 | 0.85 | 0.80 | 8.08.04.0 |
| SNR8040-331M | 330 | 20% | 100 | 1.0 | 0.889 | 1.155 | 0.68 | 0.64 | 8.08.04.0 |
| SNR8040-471M | 470 | 20% | 100 | 1.0 | 1.260 | 1.625 | 0.60 | 0.50 | 8.08.04.0 |
| SNR8040-681M | 680 | 20% | 100 | 1.0 | 2.040 | 2.652 | 0.50 | 0.45 | 8.08.04.0 |
| SNR8040-102M | 1000 | 20% | 100 | 1.0 | 2.800 | 3.640 | 0.40 | 0.35 | 8.08.04.0 |
| Environmental Data: Operating Temperature: -40 to +125 (Including coils self-temperature rise) | |||||||||
| Test Equipment: L: HP4284A or HP4285A LCR meter or equivalent; Isat & Irms: HP4284+42841A or equivalent; DCR: Chroma 16502 or equivalent | |||||||||
| Product Identification: SNR 8040 470 M T () | |||||||||
| Inductance Tolerance Codes: J: 5%, K: 10%, L: 15%, M: 20%, P: 25%, N: 30% | |||||||||
| Packing Codes: B: Bulk Package, T: Tape & Reel | |||||||||
| Recommended Land Pattern Dimensions (mm): A: 8.00.3, B: 8.00.3, C: 4.0 Max, D: 4.00.3, E: 6.30.3, F: 2.2 Typ, G: 3.8 Typ, H: 7.5 Typ | |||||||||
| Saturation Current Definition: DC current at which inductance drops 30% from its value without current. | |||||||||
| Temperature Rise Current Definition: 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. | |||||||||
| Packaging: Tape and Reel Specifications: Reel (PCS): 1000, Inside Box (PCS): 3000, Outside Carton (PCS): 12,000 | |||||||||
2410121647_LanTu-Micro-SNR8040-390MT_C5127430.pdf
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