Space Saving Magnetic Resin Shielded SMD Power Inductor LanTu Micro SNR4018-470MT with RoHS Compliance
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Product Description
Product Overview
The SNR4018 Series is an automatic assembly compatible, magnetic resin shielded SMD power inductor designed to minimize buzz noise to ultra-low levels. It features a closed magnetic circuit design, reducing leakage flux and EMI, while offering large current handling capabilities and low DCR. This series is space-saving, power-efficient, and constructed with metallization on the ferrite core for excellent shock resistance and durability. It is widely used in applications such as LED backlights, flat-screen TVs, notebooks, servers, graphic cards, automotive systems, and DC-DC converters. The product complies with RoHS, Halogen Free, and REACH standards.
Product Attributes
- Brand: SHENZHEN LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD.
- Series: SNR4018
- Construction: Magnetic resin shielded, automatic assembly
- Core Material: Ferrite
- Certifications: RoHS, Halogen Free, REACH Compliance
- Packaging Options: Bulk Package (B), Tape & Reel (T)
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) |
|---|---|---|---|---|---|---|---|---|---|
| SNR4018-R24M | 0.24 | 20% | 100 | 1.0 | 0.014 | 0.018 | 4.30 | 4.00 | 4.04.01.8 |
| SNR4018-1R0M | 1.0 | 20% | 100 | 1.0 | 0.025 | 0.033 | 4.80 | 2.00 | 4.04.01.8 |
| SNR4018-1R5M | 1.5 | 20% | 100 | 1.0 | 0.030 | 0.039 | 3.35 | 1.80 | 4.04.01.8 |
| SNR4018-2R2M | 2.2 | 20% | 100 | 1.0 | 0.034 | 0.050 | 2.70 | 1.65 | 4.04.01.8 |
| SNR4018-3R3M | 3.3 | 20% | 100 | 1.0 | 0.070 | 0.091 | 2.45 | 1.23 | 4.04.01.8 |
| SNR4018-4R7M | 4.7 | 20% | 100 | 1.0 | 0.090 | 0.115 | 1.70 | 1.20 | 4.04.01.8 |
| SNR4018-6R8M | 6.8 | 20% | 100 | 1.0 | 0.110 | 0.140 | 1.45 | 1.06 | 4.04.01.8 |
| SNR4018-100M | 10 | 20% | 100 | 1.0 | 0.180 | 0.230 | 1.30 | 0.84 | 4.04.01.8 |
| SNR4018-150M | 15 | 20% | 100 | 1.0 | 0.250 | 0.320 | 0.94 | 0.65 | 4.04.01.8 |
| SNR4018-220M | 22 | 20% | 100 | 1.0 | 0.360 | 0.450 | 0.80 | 0.59 | 4.04.01.8 |
| SNR4018-330M | 33 | 20% | 100 | 1.0 | 0.530 | 0.689 | 0.56 | 0.49 | 4.04.01.8 |
| SNR4018-470M | 47 | 20% | 100 | 1.0 | 0.650 | 0.845 | 0.57 | 0.42 | 4.04.01.8 |
| SNR4018-560M | 56 | 20% | 100 | 1.0 | 0.760 | 0.988 | 0.50 | 0.40 | 4.04.01.8 |
| SNR4018-680M | 68 | 20% | 100 | 1.0 | 1.000 | 1.300 | 0.47 | 0.32 | 4.04.01.8 |
| SNR4018-101M | 100 | 20% | 100 | 1.0 | 1.750 | 2.200 | 0.40 | 0.25 | 4.04.01.8 |
| SNR4018-151M | 150 | 20% | 100 | 1.0 | 2.500 | 3.000 | 0.31 | 0.22 | 4.04.01.8 |
| Operating Temperature: -40 to +125 (Including coils self-temperature rise) | |||||||||
| Inductance Tolerance Options: J: 5%, K: 10%, L: 15%, M: 20%, P: 25%, N: 30% | |||||||||
| Recommended Land Pattern (mm): A: 4.00.3, B: 4.00.3, C: 1.8 Max, D: 2.10.2, E: 3.30.2, F: 1.1 Typ, G: 1.9 Typ, H: 3.7 Typ | |||||||||
| Test Equipment: L: HP4284A or HP4285A LCR meter or equivalent; Isat & Irms: HP4284+42841A or equivalent; DCR: Chroma 16502 or equivalent | |||||||||
Usage & Applications
- LED backlight
- Flat-screen TVs
- Blue-ray disc players
- Set-top boxes
- Notebooks
- Desktop computers
- Servers
- Graphic cards
- Portable gaming devices
- Personal navigation systems
- Personal multimedia devices
- Automotive systems
- Telecommunication base stations
- DC-DC Converters
Usage Reminders
- Storage period is within 12 months under conditions: 5~40C, 35~65% RH.
- Avoid use and storage in corrosive environments (salt, acid, alkali, etc.).
- Do not touch terminals directly with bare hands due to oil secretions.
- Handle products carefully to prevent damage from dropping or improper removal.
- Do not bend terminals excessively to avoid wire fracture.
- Do not rinse coils; contact the manufacturer if cleaning is necessary.
- Keep away from magnets or magnetic objects.
- Preheat components before soldering; temperature difference between solder and chip should not exceed 150C.
- Soldering corrections after mounting should be within specified conditions to avoid short circuits, performance degradation, or lifespan reduction.
- Consider self-heating when designing for thermal management.
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Company
Beijing Silk Road Enterprise Management Services Co., Ltd.
Location
16 Floor, Unit B, Jiatai International Mansion, No 41, Dongsihuan Zhong Road, Chaoyang District, Beijing
Contact Person
Sellina