SMD Power Inductor LanTu Micro SNR4020-100MT with Magnetic Resin Shielding and Automatic Assembly
Product Overview
The SHENZHEN LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD. SNR4020 Series is an automatic assembly, magnetic resin shielded SMD power inductor designed to reduce buzz noise to ultra-low levels. It features a closed magnetic circuit design for reduced leakage flux and strong EMI resistance, offering large current capacity and low DC resistance. This series is ideal for space-constrained and power-saving applications in consumer electronics, computing, automotive, and telecommunication sectors.
Product Attributes
- Brand: SHENZHEN LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD.
- Series: SNR4020 Series
- Construction: Magnetic Resin Shielded
- Certifications: RoHS, Halogen Free and REACH Compliance
- Assembly: Automatic Assembly
Technical Specifications
| Part Number | Inductance (H) | Tolerance | Frequency (100KHz, 1.0V) | DCR () Max | Saturation Current (A) Max | Temperature Rise Current (A) Max | Dimensions (LWH) (mm) |
|---|---|---|---|---|---|---|---|
| SNR4020-R47M | 0.47 | 20% | 0.022 | 0.029 | 7.00 | 3.30 | 4.04.02.0 |
| SNR4020-1R0M | 1.0 | 20% | 0.029 | 0.038 | 4.78 | 2.15 | 4.04.02.0 |
| SNR4020-1R5M | 1.5 | 20% | 0.035 | 0.045 | 4.45 | 2.15 | 4.04.02.0 |
| SNR4020-2R2M | 2.2 | 20% | 0.035 | 0.046 | 3.40 | 1.85 | 4.04.02.0 |
| SNR4020-3R3M | 3.3 | 20% | 0.070 | 0.091 | 3.20 | 1.40 | 4.04.02.0 |
| SNR4020-4R7M | 4.7 | 20% | 0.075 | 0.098 | 2.35 | 1.34 | 4.04.02.0 |
| SNR4020-6R8M | 6.8 | 20% | 0.125 | 0.163 | 2.20 | 1.04 | 4.04.02.0 |
| SNR4020-8R2M | 8.2 | 20% | 0.148 | 0.185 | 1.75 | 1.00 | 4.04.02.0 |
| SNR4020-100M | 10 | 20% | 0.165 | 0.215 | 1.60 | 0.90 | 4.04.02.0 |
| SNR4020-150M | 15 | 20% | 0.230 | 0.300 | 1.35 | 0.77 | 4.04.02.0 |
| SNR4020-220M | 22 | 20% | 0.350 | 0.455 | 1.05 | 0.62 | 4.04.02.0 |
| SNR4020-330M | 33 | 20% | 0.550 | 0.710 | 0.85 | 0.49 | 4.04.02.0 |
| SNR4020-470M | 47 | 20% | 0.710 | 0.920 | 0.74 | 0.44 | 4.04.02.0 |
| SNR4020-680M | 68 | 20% | 1.060 | 1.380 | 0.60 | 0.36 | 4.04.02.0 |
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
Environmental Data
- Operating Temperature: -40 to +125 (Including coils self-temperature rise)
Product Identification
SNR 4020 470 M T
- Type: SNR (Shielded SMD Power Inductors)
- Dimensions: 4020 (4.04.02.0 mm)
- Inductance: 470 (47 H)
- Tolerance: M (20%)
- Packing: T (Tape & Reel)
Shape and Dimensions
External Dimensions (LWH): 4020 (4.04.02.0 mm)
| ITEM | A | B | C | D | E | F | G | H |
|---|---|---|---|---|---|---|---|---|
| SNR4020 | 4.00.3 | 4.00.3 | 2.0 Max | 2.10.2 | 3.30.2 | 1.1 Typ | 1.9 Typ | 3.7 Typ |
Packaging
- Packing Quantity: 3000 PCS/REEL
Reliability Testing
Various reliability tests are performed according to industry standards, including Terminal Strength, Resistance to Flexure, Dropping, Solderability, Vibration, Thermal Shock, Low Temperature Storage, High Temperature Storage, Damp Heat, Heat endurance of Reflow soldering, Resistance to solvent test, Overload test, and Voltage resistance test. Specific requirements and test methods are detailed in the original documentation.
Recommended Reflow Soldering Curve
Refer to the provided graph for recommended reflow conditions. Users should adjust and confirm these conditions based on their specific equipment and process.
Reminders for Using These Products
- Storage: Within 12 months, under 5~40C and 35~65% RH.
- Environment: Avoid gas corrosive environments (salt, acid, alkali, etc.).
- Handling: Avoid direct contact with terminals due to hand oils. Handle carefully to prevent damage. Do not bend terminals excessively.
- Cleaning: Do not rinse coils; contact the manufacturer if cleaning is necessary.
- Magnetic Fields: Do not expose to magnets or magnetic fields.
- Soldering: Preheat components before soldering. Ensure temperature difference between solder and chip does not exceed 150C. Post-mounting corrections should be within specifications.
- Thermal Design: Account for self-heating when power is applied.
- Layout: For non-magnetic shielded types, careful coil layout is needed to prevent interference.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.