SMD Power Inductor LanTu Micro SNR4030-1R5MT Magnetic Resin Shielded for Automotive and LED Backlight
Product Overview
The SNR4030 Series is an automatic assembly, magnetic resin shielded SMD power inductor designed for high-current, low-DCR applications. Its closed magnetic circuit design minimizes flux leakage and EMI, while the magnetic-resin shielding significantly reduces buzz noise. This series offers excellent shock resistance and durability due to metallization on the ferrite core. Ideal for space-constrained and power-sensitive designs, it is widely used in LED backlights, flat-screen TVs, notebooks, servers, automotive products, and DC-DC converters.
Product Attributes
- Brand: SHENZHEN LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD.
- Series: SNR4030 Series
- Construction: Automatic assembly, magnetic resin shielded
- Certifications: RoHS, Halogen Free and REACH Compliance
Technical Specifications
| Part No. | Inductance (H) | Tolerance | Test Frequency | Test Voltage | DCR () Typical | DCR () Max | Saturation Current (A) Max | Temperature Rise Current (A) Max |
|---|---|---|---|---|---|---|---|---|
| SNR4030-1R0M | 1.0 | 20% | 100KHz | 1.0V | 0.014 | 0.018 | 5.26 | 4.15 |
| SNR4030-1R2M | 1.2 | 20% | 100KHz | 1.0V | 0.015 | 0.020 | 5.26 | 3.82 |
| SNR4030-1R5M | 1.5 | 20% | 100KHz | 1.0V | 0.020 | 0.026 | 4.84 | 3.34 |
| SNR4030-1R8M | 1.8 | 20% | 100KHz | 1.0V | 0.025 | 0.033 | 4.84 | 3.20 |
| SNR4030-2R2M | 2.2 | 20% | 100KHz | 1.0V | 0.030 | 0.039 | 4.40 | 2.95 |
| SNR4030-3R3M | 3.3 | 20% | 100KHz | 1.0V | 0.040 | 0.050 | 3.30 | 2.40 |
| SNR4030-4R7M | 4.7 | 20% | 100KHz | 1.0V | 0.060 | 0.076 | 2.90 | 2.00 |
| SNR4030-5R6M | 5.6 | 20% | 100KHz | 1.0V | 0.073 | 0.091 | 2.75 | 1.90 |
| SNR4030-6R8M | 6.8 | 20% | 100KHz | 1.0V | 0.090 | 0.115 | 2.60 | 1.60 |
| SNR4030-8R2M | 8.2 | 20% | 100KHz | 1.0V | 0.095 | 0.122 | 2.10 | 1.60 |
| SNR4030-100M | 10 | 20% | 100KHz | 1.0V | 0.100 | 0.130 | 1.95 | 1.50 |
| SNR4030-120M | 12 | 20% | 100KHz | 1.0V | 0.135 | 0.172 | 1.70 | 1.30 |
| SNR4030-150M | 15 | 20% | 100KHz | 1.0V | 0.190 | 0.230 | 1.65 | 1.11 |
| SNR4030-220M | 22 | 20% | 100KHz | 1.0V | 0.225 | 0.290 | 1.30 | 1.00 |
| SNR4030-330M | 33 | 20% | 100KHz | 1.0V | 0.330 | 0.420 | 1.10 | 0.84 |
| SNR4030-470M | 47 | 20% | 100KHz | 1.0V | 0.445 | 0.570 | 0.95 | 0.72 |
| SNR4030-680M | 68 | 20% | 100KHz | 1.0V | 0.868 | 1.100 | 0.72 | 0.52 |
| SNR4030-820M | 82 | 20% | 100KHz | 1.0V | 1.060 | 1.280 | 0.66 | 0.47 |
| SNR4030-101M | 100 | 20% | 100KHz | 1.0V | 1.150 | 1.480 | 0.60 | 0.45 |
| SNR4030-121M | 120 | 20% | 100KHz | 1.0V | 1.350 | 1.700 | 0.55 | 0.42 |
Inductance Tolerance Codes:
J: 5%, K: 10%, L: 15%, M: 20%, P: 25%, N: 30%
Packaging:
B: Bulk Package, T: Tape & Reel
Dimensions (mm):
| Part No. | L | W | H | A | B | C | D | E | F (Typ) | G (Typ) | H (Typ) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SNR4030 | 4.00.3 | 4.00.3 | 3.0 Max | 2.10.2 | 3.30.2 | 1.10.2 | 1.90.2 | 3.70.2 | 1.1 | 1.9 | 3.7 |
Environmental Data:
Operating Temperature: -40 to +125 (Including coils self-temperature rise)
Test Equipment:
- Inductance (L): HP4284A, HP4285A LCR meter or equivalent
- Saturation Current (Isat) & Temperature Rise Current (Irms): HP4284+42841A or equivalent
- DC Resistance (DCR): Chroma 16502 or equivalent
Reliability Testing:
Includes Terminal Strength (SMT & DIP), Resistance to Flexure, Dropping, Solderability, Vibration, Thermal Shock, Low Temperature Storage, High Temperature Storage, Damp Heat (Steady States), Heat endurance of Reflow soldering, Resistance to solvent test, Overload test, and Voltage resistance test.
Recommended Reflow Soldering Curve:
Refer to the product documentation for the recommended reflow soldering profile.
Reminders for Using These Products:
- Storage period is within 12 months under conditions (5~40C, 35~65% RH).
- Avoid use and storage in gas corrosive environments.
- Do not touch electrodes directly with bare hands.
- Handle products carefully to prevent damage.
- Do not bend terminals with excessive stress.
- Do not rinse coils; contact supplier if cleaning is necessary.
- Do not expose products to magnets or magnetic fields.
- Preheat components before soldering; temperature difference should not exceed 150C.
- Soldering corrections after mounting should be within specified conditions.
- Allow sufficient thermal design margin for self-heating.
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