Surface Mount Shielded Inductors LanTu Micro SDRI125-220MT Offering Wide Range of Inductance Values
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Product Description
Shielded SMD Power Inductors - SDRI125 Series
Product Overview
The SDRI125 Series Shielded SMD Power Inductors from SHENZHEN LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD. are designed for high-performance power supply applications. These inductors feature a closed magnetic circuit design to minimize leakage flux, high saturation current, and low DC resistance. Their highly accurate dimensions ensure suitability for automatic mounting processes. The series offers a wide range of inductance values and package sizes, catering to diverse electronic device requirements. They are RoHS, Halogen Free, and REACH compliant, making them suitable for global market applications.
Product Attributes
- Brand: LANTU
- Manufacturer: SHENZHEN LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD.
- Series: SDRI125
- Type: Shielded SMD Power Inductors
- Certifications: RoHS, Halogen Free, REACH Compliance
- Magnetic Circuit Design: Closed magnetic circuit
- Mounting Type: Surface Mount Device (SMD)
Technical Specifications
General Specifications:
| Attribute | Value |
|---|---|
| Operating Temperature | -40 to +125 (Including coil self-temperature rise) |
| External Dimensions (LWH) | 12.312.36.0 mm |
| Test Equipment (Inductance) | HP4284A, HP4285A or equivalent LCR meter |
| Test Equipment (Current) | HP4284+42841A or equivalent |
| Test Equipment (Q Factor) | HP4285A or equivalent |
| Test Equipment (DCR) | Chroma 16502 or equivalent |
Product Identification:
| Component | Description |
|---|---|
| Type | SDRI |
| Series | 125 |
| Inductance Value | e.g., 470 (for 47H) |
| Tolerance | J: 5%, K: 10%, L: 15%, M: 20%, P: 25%, N: 30% |
| Packing | T: Tape & Reel, B: Bulk Package |
Electrical Characteristics (SDRI125 Series):
| Part No. | Inductance (H) @0A | Tolerance | Test Freq (L) | Q Factor Min @ Test Freq | DCR () Max | Saturation Current (A) Max | Temperature Rise Current (A) Max |
|---|---|---|---|---|---|---|---|
| SDRI125-1R0N | 1.0 | 30% | 100KHz | 20 @ 1MHz | 0.010 | 15.80 | 8.00 |
| SDRI125-2R2N | 2.2 | 30% | 100KHz | 20 @ 1MHz | 0.014 | 13.50 | 7.80 |
| SDRI125-2R4N | 2.4 | 30% | 100KHz | 20 @ 1MHz | 0.014 | 12.00 | 7.50 |
| SDRI125-3R3N | 3.3 | 30% | 100KHz | 20 @ 1MHz | 0.017 | 10.50 | 6.80 |
| SDRI125-4R7N | 4.7 | 30% | 100KHz | 30 @ 1MHz | 0.020 | 9.50 | 5.60 |
| SDRI125-5R8N | 5.8 | 30% | 100KHz | 30 @ 1MHz | 0.021 | 8.60 | 5.20 |
| SDRI125-8R2N | 8.2 | 30% | 100KHz | 30 @ 1MHz | 0.023 | 7.00 | 4.40 |
| SDRI125-100N | 10 | 30% | 100KHz | 35 @ 1MHz | 0.025 | 6.50 | 4.00 |
| SDRI125-120M | 12 | 20% | 100KHz | 35 @ 1MHz | 0.027 | 6.00 | 3.50 |
| SDRI125-150M | 15 | 20% | 100KHz | 35 @ 1MHz | 0.030 | 5.40 | 3.30 |
| SDRI125-180M | 18 | 20% | 100KHz | 35 @ 1MHz | 0.034 | 4.90 | 3.00 |
| SDRI125-220M | 22 | 20% | 100KHz | 35 @ 1MHz | 0.036 | 4.70 | 2.80 |
| SDRI125-270M | 27 | 20% | 100KHz | 35 @ 1MHz | 0.051 | 4.00 | 2.30 |
| SDRI125-330M | 33 | 20% | 100KHz | 35 @ 1MHz | 0.057 | 3.58 | 2.10 |
| SDRI125-390M | 39 | 20% | 100KHz | 35 @ 1MHz | 0.068 | 3.30 | 2.00 |
| SDRI125-470M | 47 | 20% | 100KHz | 35 @ 1MHz | 0.075 | 3.20 | 1.80 |
| SDRI125-560M | 56 | 20% | 100KHz | 35 @ 1MHz | 0.110 | 2.80 | 1.70 |
| SDRI125-680M | 68 | 20% | 100KHz | 35 @ 1MHz | 0.120 | 2.50 | 1.50 |
| SDRI125-820M | 82 | 20% | 100KHz | 35 @ 1MHz | 0.140 | 2.30 | 1.40 |
| SDRI125-101M | 100 | 20% | 100KHz | 40 @ 0.796MHz | 0.160 | 1.90 | 1.30 |
| SDRI125-121M | 120 | 20% | 100KHz | 40 @ 0.796MHz | 0.170 | 1.80 | 1.10 |
| SDRI125-151M | 150 | 20% | 100KHz | 40 @ 0.796MHz | 0.230 | 1.70 | 1.00 |
| SDRI125-181M | 180 | 20% | 100KHz | 40 @ 0.796MHz | 0.290 | 1.60 | 0.90 |
| SDRI125-221M | 220 | 20% | 100KHz | 40 @ 0.796MHz | 0.400 | 1.45 | 0.80 |
| SDRI125-271M | 270 | 20% | 100KHz | 40 @ 0.796MHz | 0.460 | 1.20 | 0.75 |
| SDRI125-331M | 330 | 20% | 100KHz | 40 @ 0.796MHz | 0.510 | 1.15 | 0.68 |
| SDRI125-391M | 390 | 20% | 100KHz | 40 @ 0.796MHz | 0.690 | 1.10 | 0.65 |
| SDRI125-471M | 470 | 20% | 100KHz | 40 @ 0.796MHz | 0.770 | 0.94 | 0.58 |
| SDRI125-561M | 560 | 20% | 100KHz | 40 @ 0.796MHz | 0.860 | 0.90 | 0.54 |
| SDRI125-681M | 680 | 20% | 100KHz | 40 @ 0.796MHz | 1.200 | 0.70 | 0.48 |
| SDRI125-821M | 820 | 20% | 100KHz | 40 @ 0.796MHz | 1.340 | 0.55 | 0.40 |
| SDRI125-102M | 1000 | 20% | 100KHz | 40 @ 0.796MHz | 1.530 | 0.44 | 0.35 |
Definitions:
- Saturation Current (Isat): DC current at which inductance drops 30% from its value without current.
- Temperature Rise Current (Irms): 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:
- Power supply for VTRs
- LCD televisions
- Notebook PCs
- Portable communication equipment
- DC/DC converters
Shape and Dimensions:
| Part No. | A (Max) | B (Max) | C (Max) | D | E | F | G | H |
|---|---|---|---|---|---|---|---|---|
| SDRI125 | 12.5 | 12.5 | 6.0 | 5.0 | 7.6 | 2.9 | 7.0 | 5.4 |
(Dimensions are in mm)
Packaging:
| Part No. | Tape Dimension W | P | H | Reel Dimensions A | B | C | D | REEL (PCS) | Inside Box (PCS) | Outside Carton (PCS) |
|---|---|---|---|---|---|---|---|---|---|---|
| SDRI125 | 24 | 16 | 11.5 | 24.4 | 100 | 13 | 330 | 500 | 1000 | 4000 |
Recommended Reflow Soldering Curve:
(Refer to the graphical representation in the source document for the specific curve.)
Reminders for Using These Products:
- Storage period: within 12 months. Storage conditions: 5~40C, 35~65% RH.
- Avoid use and storage in corrosive environments (salt, acid, alkali, etc.).
- Do not touch electrodes directly with bare hands to maintain solderability.
- Handle products carefully to prevent damage from dropping or improper removal.
- Do not bend terminals excessively.
- Do not rinse coils; contact the manufacturer if cleaning is necessary.
- Keep away from magnets or magnetic fields.
- 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 reduced lifespan.
- Allow sufficient thermal design margin for self-heating when power is applied.
- For non-magnetic shielded types, careful coil layout is required to prevent malfunction due to magnetic interference.
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Contact Person
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