Magnetic Resin Shielded SMD Power Inductors LanTu Micro SNR4030-330MT for DC DC Converter Applications
Product Overview
The SNR4030 Series is an automatic assembly constructed, magnetic resin shielded SMD power inductor designed to minimize buzz noise to ultra-low levels. It features a closed magnetic circuit design for reduced leakage flux and strong EMI resistance, along with metallization on the ferrite core for excellent shock resistance and durability. This series offers large current handling capability with low DC resistance, making it space-saving and power-efficient. It is widely used in applications such as LED backlights, flat-screen TVs, notebooks, servers, graphic cards, automotive systems, and DC-DC converters.
Product Attributes
- Brand: SHENZHEN LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD.
- Series: SNR4030
- Type: Magnetic Resin Shielded SMD Power Inductors
- Construction: Automatic assembly, magnetic resin shielded
- Certifications: RoHS, Halogen Free and REACH Compliance
Technical Specifications
| Part No. | Inductance (H) | Inductance Tolerance | Frequency (100KHz, 1.0V) | DCR () Typical | DCR () Max | Saturation Current (A) Max | Temperature Rise Current (A) Max |
|---|---|---|---|---|---|---|---|
| SNR4030-1R0M | 1.0 | 20% | 1.0V | 0.014 | 0.018 | 5.26 | 4.15 |
| SNR4030-1R2M | 1.2 | 20% | 1.0V | 0.015 | 0.020 | 5.26 | 3.82 |
| SNR4030-1R5M | 1.5 | 20% | 1.0V | 0.020 | 0.026 | 4.84 | 3.34 |
| SNR4030-1R8M | 1.8 | 20% | 1.0V | 0.025 | 0.033 | 4.84 | 3.20 |
| SNR4030-2R2M | 2.2 | 20% | 1.0V | 0.030 | 0.039 | 4.40 | 2.95 |
| SNR4030-3R3M | 3.3 | 20% | 1.0V | 0.040 | 0.050 | 3.30 | 2.40 |
| SNR4030-4R7M | 4.7 | 20% | 1.0V | 0.060 | 0.076 | 2.90 | 2.00 |
| SNR4030-5R6M | 5.6 | 20% | 1.0V | 0.073 | 0.091 | 2.75 | 1.90 |
| SNR4030-6R8M | 6.8 | 20% | 1.0V | 0.090 | 0.115 | 2.60 | 1.60 |
| SNR4030-8R2M | 8.2 | 20% | 1.0V | 0.095 | 0.122 | 2.10 | 1.60 |
| SNR4030-100M | 10 | 20% | 1.0V | 0.100 | 0.130 | 1.95 | 1.50 |
| SNR4030-120M | 12 | 20% | 1.0V | 0.135 | 0.172 | 1.70 | 1.30 |
| SNR4030-150M | 15 | 20% | 1.0V | 0.190 | 0.230 | 1.65 | 1.11 |
| SNR4030-220M | 22 | 20% | 1.0V | 0.225 | 0.290 | 1.30 | 1.00 |
| SNR4030-330M | 33 | 20% | 1.0V | 0.330 | 0.420 | 1.10 | 0.84 |
| SNR4030-470M | 47 | 20% | 1.0V | 0.445 | 0.570 | 0.95 | 0.72 |
| SNR4030-680M | 68 | 20% | 1.0V | 0.868 | 1.100 | 0.72 | 0.52 |
| SNR4030-820M | 82 | 20% | 1.0V | 1.060 | 1.280 | 0.66 | 0.47 |
| SNR4030-101M | 100 | 20% | 1.0V | 1.150 | 1.480 | 0.60 | 0.45 |
| SNR4030-121M | 120 | 20% | 1.0V | 1.350 | 1.700 | 0.55 | 0.42 |
| Inductance Tolerance Codes | Packing Codes |
|---|---|
| J: 5%, K: 10%, L: 15%, M: 20%, P: 25%, N: 30% | B: Bulk Package, T: Tape & Reel |
| Item | Dimensions (mm) | Test Method/Remarks |
|---|---|---|
| Operating Temperature | -40 to +125 (Including coils self-temperature rise) | |
| Shape and Dimensions (LWH) | 4.04.03.0 Max | |
| External Dimensions (A, B, C, D, E, F, G, H) | A: 4.00.3, B: 4.00.3, C: 3.0 Max, D: 2.10.2, E: 3.30.2, F: 1.1 Typ, G: 1.9 Typ, H: 3.7 Typ | |
| Terminal Strength (SMT) | GB/T 2423.60-2008 (Pulling test, Solder paste thickness) | |
| Terminal Strength (DIP) | GB/T 2423.60-2008 (Pull Force based on terminal diameter) | |
| Resistance to Flexure | Flexure: 2mm | JIS C 5321:1997 |
| Dropping | Drop height: 1m | GB/T 2423.7-2018 |
| Solderability | Solder temperature: 2402, Duration: 3 sec | GB/T 2423.28-2005 |
| Vibration | Amplitude: 1.5mm, Frequency: 10-55 Hz | GB/T 2423.10-2019 |
| Thermal Shock | GB/T 2423.22-2012 Method Na (100 cycles) | |
| Low temperature Storage | Temperature: -55~-402, Duration: 962 hours | GB/T 2423.1-2008 Method Ab |
| High temperature Storage | Temperature: 125~852, Duration: 962 hours | GB/T 2423.2-2008 Method Bb |
| Damp Heat (Steady States) | Temperature: 602, Humidity: 90% to 95% RH, Duration: 962 hours | GB/T 2423.3-2016 |
| Heat endurance of Reflow soldering | Peak temperature: 260+0/-5 | GJB 360B-2009 |
| Resistance to solvent test | Dip in IPA for 50.5Min, dry for 5Min | IEC 68-2-45:1993 |
| Overload test | Apply twice rated current for 5 minutes | JIS C5311-6.13 |
| Voltage resistance test | DC1000V, Current: 1mA, Time: 1Min | MIL-STD-202G Method 301 |
Product Usage and Handling
Applications: LED backlight, Flat-screen TVs, blue-ray disc Set top box, Notebooks, desktop computers, servers, Graphic cards, Portable gaming devices, personal Navigation systems, personal multimedia devices, Automotive systems, Telecomm base station, DC-DC Converter.
Storage Conditions: Temperature: 5~40C, Humidity: 35 to 65% RH or less. Storage period is within 12 months.
Handling Precautions: Avoid gas corrosive environments. Do not touch electrodes directly with bare hands. Handle carefully to prevent damage. Do not bend terminals excessively. Do not rinse coils. Keep away from magnets or magnetic fields. Preheat components before soldering. Ensure sufficient thermal design margin for self-heating. For non-magnetic shielded types, consider layout to prevent magnetic interference.
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