SMD Power Inductor LanTu Micro SNR5040-331MT with Low DC Resistance and Strong EMI Suppression Capabilities
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Product Description
Magnetic Resin Shielded SMD Power Inductors - SNR5040 Series
Product Overview
The SNR5040 Series is an automatically assembled, magnetically resin-shielded SMD power inductor designed to minimize buzz noise to ultra-low levels. It offers large current handling capabilities with low DC resistance, excellent shock resistance due to metallization on the ferrite core, and strong EMI suppression thanks to its closed magnetic circuit design. This series is space-saving and power-efficient, making it suitable for a wide range of electronic applications including LED backlights, flat-screen TVs, notebooks, servers, graphics cards, automotive systems, and DC-DC converters.
Product Attributes
- Brand: SHENZHEN LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD.
- Series: SNR5040
- Construction: Magnetic resin shielded, automatic assembly
- Certifications: RoHS, Halogen Free and REACH Compliance
- Magnetic Circuit: Closed magnetic circuit design
Technical Specifications
| Part No. | Inductance (H) | Inductance Tolerance | Test Frequency (100KHz, 1.0V) | DCR () Typical | DCR () Max | Saturation Current (A) Max | Temperature Rise Current (A) Max |
|---|---|---|---|---|---|---|---|
| SNR5040-1R0M | 1.0 | 20% | 1.0V | 0.012 | 0.018 | 7.35 | 4.90 |
| SNR5040-1R2M | 1.2 | 20% | 1.0V | 0.016 | 0.021 | 6.50 | 4.30 |
| SNR5040-1R5M | 1.5 | 20% | 1.0V | 0.015 | 0.020 | 6.30 | 4.30 |
| SNR5040-2R2M | 2.2 | 20% | 1.0V | 0.019 | 0.025 | 4.90 | 3.80 |
| SNR5040-3R3M | 3.3 | 20% | 1.0V | 0.024 | 0.031 | 3.95 | 3.40 |
| SNR5040-4R7M | 4.7 | 20% | 1.0V | 0.030 | 0.039 | 3.50 | 3.00 |
| SNR5040-6R8M | 6.8 | 20% | 1.0V | 0.043 | 0.056 | 2.90 | 2.50 |
| SNR5040-8R2M | 8.2 | 20% | 1.0V | 0.050 | 0.070 | 2.70 | 2.30 |
| SNR5040-100M | 10 | 20% | 1.0V | 0.064 | 0.082 | 2.35 | 2.10 |
| SNR5040-120M | 12 | 20% | 1.0V | 0.077 | 0.102 | 2.20 | 2.00 |
| SNR5040-150M | 15 | 20% | 1.0V | 0.086 | 0.115 | 2.00 | 2.00 |
| SNR5040-220M | 22 | 20% | 1.0V | 0.129 | 0.167 | 1.60 | 1.50 |
| SNR5040-330M | 33 | 20% | 1.0V | 0.188 | 0.244 | 1.30 | 1.20 |
| SNR5040-470M | 47 | 20% | 1.0V | 0.272 | 0.353 | 1.10 | 1.00 |
| SNR5040-680M | 68 | 20% | 1.0V | 0.400 | 0.520 | 0.90 | 0.80 |
| SNR5040-820M | 82 | 20% | 1.0V | 0.560 | 0.660 | 0.80 | 0.75 |
| SNR5040-101M | 100 | 20% | 1.0V | 0.509 | 0.728 | 0.75 | 0.70 |
| SNR5040-121M | 120 | 20% | 1.0V | 0.665 | 0.864 | 0.70 | 0.65 |
| SNR5040-151M | 150 | 20% | 1.0V | 0.750 | 0.975 | 0.65 | 0.60 |
| SNR5040-221M | 220 | 20% | 1.0V | 1.400 | 1.820 | 0.48 | 0.40 |
| SNR5040-331M | 330 | 20% | 1.0V | 2.000 | 2.730 | 0.42 | 0.40 |
| SNR5040-471M | 470 | 20% | 1.0V | 3.000 | 3.900 | 0.37 | 0.35 |
| SNR5040-681M | 680 | 20% | 1.0V | 3.900 | 5.070 | 0.30 | 0.25 |
| SNR5040-102M | 1000 | 20% | 1.0V | 6.000 | 7.800 | 0.21 | 0.23 |
Inductance Tolerance Codes: J:5%, K: 10%, L: 15%, M: 20%, P: 25%, N: 30%
Packing Codes: B: Bulk Package, T: Tape & Reel
| Dimensions (LWH) (mm) | A | B | C (Max) | D | E | F (Typ) | G (Typ) | H (Typ) |
|---|---|---|---|---|---|---|---|---|
| SNR5040 | 5.00.3 | 5.00.3 | 4.0 | 2.50.2 | 4.00.2 | 1.4 | 2.3 | 4.2 |
Environmental Data:
- Operating Temperature: -40 to +125 (Including coils self-temperature rise)
Test Equipment:
- Inductance (L): HP4284A or HP4285A LCR meter or equivalent
- Saturation Current (Isat) & Temperature Rise Current (Irms): HP4284+42841A or equivalent
- DC Resistance (DCR): Chroma 16502 or equivalent
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 between Isat and Irms.
Applications:
- LED backlight
- Flat-screen TVs
- Blue-ray disc 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
Packaging:
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|
| SNR5040 | 12 | 8 | 5.5 | 12.4 | 100 | 13 | 330 | 1500 | 6000 | 24,000 |
Cover Tape Peel Off Condition:
- Cover tape peel force: 10 to 120g
- Noodle strip peeling angle: 165 to 180
Reminders for Using These Products:
- Storage period is within 12 months. Storage conditions: temperature 5~40C, humidity 35~65% RH or less.
- Do not use or store in environments with gas corrosion (salt, acid, alkali, etc.).
- Avoid direct contact with terminals by bare hands due to oil secretions that may inhibit soldering.
- Handle products carefully to prevent damage from dropping or inappropriate removal.
- Do not bend terminals with excessive stress to avoid wire fracture.
- Do not rinse coils; contact SXN if cleaning is necessary.
- Do not expose products to magnets or magnetic fields.
- Preheat components before soldering. The temperature difference between solder and chip temperature should not exceed 150C.
- Soldering corrections after mounting should be within specified conditions. Overheating may cause short circuits, performance degradation, or lifespan reduction.
- Allow sufficient thermal design margin as self-heating occurs when power is on.
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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