RoHS Halogen Free LanTu Micro SDRH105R-471MT Shielded SMD Power Inductors for Power Supply Solutions
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Product Description
Product Overview
The SDRH105R Series Shielded SMD Power Inductors from SHENZHEN LANTU MICRO ELECTRIC TECHNOLOGY CO., LTD. are designed for high saturation current and low DCR, featuring a closed magnetic circuit to minimize leakage. These inductors offer high-precision dimensions suitable for automatic mounting, available in various package sizes and a wide inductance range. They are RoHS, Halogen Free, and REACH compliant, making them ideal for applications such as power supplies for VTRs, LCD televisions, notebook PCs, portable communication equipment, and DC/DC converters.
Product Attributes
- Brand: LANTU MICRO ELECTRIC TECHNOLOGY
- Series: SDRH105R
- Type: Shielded SMD Power Inductors
- Certifications: RoHS, Halogen Free, REACH Compliance
- Origin: Shenzhen, China
Technical Specifications
| Part Number | Inductance (H) | Tolerance | Test Frequency | DCR () Max @ 0A | Saturation Current (A) Max | Temperature Rise Current (A) Max | Dimensions (LWH) (mm) |
|---|---|---|---|---|---|---|---|
| SDRH105R-3R3N | 3.3 | 30% | 100KHz | 0.013 | 9.50 | 6.50 | 10.310.55.0 |
| SDRH105R-4R7N | 4.7 | 30% | 100KHz | 0.016 | 9.20 | 6.30 | 10.310.55.0 |
| SDRH105R-6R8N | 6.8 | 30% | 100KHz | 0.020 | 7.00 | 6.00 | 10.310.55.0 |
| SDRH105R-8R2N | 8.2 | 30% | 100KHz | 0.023 | 5.50 | 5.00 | 10.310.55.0 |
| SDRH105R-100N | 10 | 30% | 100KHz | 0.250 | 5.10 | 4.40 | 10.310.55.0 |
| SDRH105R-120N | 12 | 30% | 100KHz | 0.032 | 4.90 | 4.00 | 10.310.55.0 |
| SDRH105R-150N | 15 | 30% | 100KHz | 0.040 | 4.20 | 3.60 | 10.310.55.0 |
| SDRH105R-180M | 18 | 20% | 100KHz | 0.046 | 3.70 | 3.40 | 10.310.55.0 |
| SDRH105R-220M | 22 | 20% | 100KHz | 0.058 | 3.30 | 3.20 | 10.310.55.0 |
| SDRH105R-270M | 27 | 20% | 100KHz | 0.650 | 3.20 | 3.00 | 10.310.55.0 |
| SDRH105R-330M | 33 | 20% | 100KHz | 0.810 | 2.70 | 2.60 | 10.310.55.0 |
| SDRH105R-390M | 39 | 20% | 100KHz | 0.103 | 2.48 | 2.50 | 10.310.55.0 |
| SDRH105R-470M | 47 | 20% | 100KHz | 0.122 | 2.35 | 2.30 | 10.310.55.0 |
| SDRH105R-560M | 56 | 20% | 100KHz | 0.144 | 2.30 | 2.10 | 10.310.55.0 |
| SDRH105R-680M | 68 | 20% | 100KHz | 0.193 | 2.00 | 1.90 | 10.310.55.0 |
| SDRH105R-820M | 82 | 20% | 100KHz | 0.219 | 1.80 | 1.60 | 10.310.55.0 |
| SDRH105R-101M | 100 | 20% | 100KHz | 0.247 | 1.50 | 1.35 | 10.310.55.0 |
| SDRH105R-121M | 120 | 20% | 100KHz | 0.298 | 1.40 | 1.18 | 10.310.55.0 |
| SDRH105R-151M | 150 | 20% | 100KHz | 0.355 | 1.30 | 1.10 | 10.310.55.0 |
| SDRH105R-181M | 180 | 20% | 100KHz | 0.393 | 1.20 | 1.00 | 10.310.55.0 |
| SDRH105R-221M | 220 | 20% | 100KHz | 0.483 | 1.08 | 0.94 | 10.310.55.0 |
| SDRH105R-271M | 270 | 20% | 100KHz | 0.632 | 0.88 | 0.80 | 10.310.55.0 |
| SDRH105R-331M | 330 | 20% | 100KHz | 0.780 | 0.85 | 0.73 | 10.310.55.0 |
| SDRH105R-391M | 390 | 20% | 100KHz | 0.957 | 0.78 | 0.70 | 10.310.55.0 |
| SDRH105R-471M | 470 | 20% | 100KHz | 1.220 | 0.71 | 0.54 | 10.310.55.0 |
| SDRH105R-561M | 560 | 20% | 100KHz | 1.352 | 0.65 | 0.52 | 10.310.55.0 |
| SDRH105R-681M | 680 | 20% | 100KHz | 1.519 | 0.59 | 0.51 | 10.310.55.0 |
| SDRH105R-821M | 820 | 20% | 100KHz | 1.694 | 0.51 | 0.48 | 10.310.55.0 |
| SDRH105R-102M | 1000 | 20% | 100KHz | 1.946 | 0.49 | 0.42 | 10.310.55.0 |
| Environmental Data: Operating Temperature: -40 to +125 (Including coils self-temperature rise) | |||||||
| Test Equipment: L: HP4284A or HP4285A LCR meter or equivalent; Isat & Irms: HP4284+42841A; DCR: Chroma 16502 or equivalent | |||||||
| Product Identification Example: SDRH 105R 100 N T (SDRH-Series, 105R-Size, 100-Inductance Value, N-Tolerance, T-Tape & Reel Packing) | |||||||
| Inductance Tolerance Options: J:5%, K: 10%, L: 15%, M: 20%, P: 25%, N: 30% | |||||||
| Packing Options: T: Tape & Reel, B: Bulk Package | |||||||
Recommended Land Pattern
| Part No | A (Max) | B (Max) | C (Max) | D | E | F | H | I | J | |
|---|---|---|---|---|---|---|---|---|---|---|
| SDRH105R | 10.3 | 10.5 | 5.0 | 7.7 | 3.0 | 1.2 | 3.6 | 1.7 | 7.3 | N/A |
Packaging Information
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|
| SDRH105R | 24 | 16 | 11.5 | 24.4 | 60 | 13 | 330 | 800 | 1600 | 6400 |
Reliability Testing Summary
| Item | Requirements | Test Methods and Remarks |
|---|---|---|
| Terminal Strength (SMT) | Meet requirements without loose terminal | Pulling test based on terminal area; Solder paste thickness: 0.12mm |
| Terminal Strength (DIP) | Meet requirements without loose terminal | Applied force based on terminal diameter (5N to 40N for 10 sec) |
| Resistance to Flexure | No visible mechanical damage | Flexure: 2mm; Speed: 0.5mm/sec; Keep time: 30 sec |
| Dropping | No case deformation, no short/open | Drop from 1m height, 1 angle, 3 ridges, 6 surfaces, twice each |
| Solderability | Wetting > 75% coverage; Terminals 95% min solder coverage | Solder temperature: 2402; Duration: 3 sec; Solder: Sn/3.0Ag/0.5Cu |
| Vibration | No visible mechanical damage; Inductance change: 10%; Q factor change: 20% | Amplitude 1.5mm, frequency 10-55 Hz, 2 hours each in 3 directions |
| Thermal Shock | No visible mechanical damage; Inductance change: 10% (Mn-Zn: 30%); Q factor change: 20% | 100 cycles of temperature extremes (-55~40 to 85~125), max 20 sec transforming interval |
| Low temperature Storage | No visible mechanical damage; Inductance change: 10% (Mn-Zn: 30%); Q factor change: 20% | -55~-402 for 962 hours |
| High temperature Storage | No visible mechanical damage; Inductance change: 10% (Mn-Zn: 30%); Q factor change: 20% | 125~852 for 962 hours |
| Damp Heat (Steady States) | No visible mechanical damage; Inductance change: 10% (Mn-Zn: 30%); Q factor change: 20% | 602, 90% to 95% RH for 962 hours |
| Heat endurance of Reflow soldering | No significant defects; L/L10% (Mn-Zn: 30%); Q/Q30%; DCR/DCR10% | Peak temperature: 260+0/-5, reflow twice |
| Resistance to solvent test | No case deformation or appearance change | Dip in IPA solvent for 5 min, dry 5 min, brush 10 times |
| Overload test | No smoke, smell, fire; characteristics normal after test | Apply twice rated current for 5 minutes |
| Voltage resistance test | No breakdown; characteristics normal after test | DC1000V, Current: 1mA, Time: 1Min (for parts with two coils) |
Recommended Reflow Soldering Curve
The recommended reflow conditions are set according to LANTU's soldering equipment. Users should adjust and confirm conditions based on their specific environment and equipment.
Reminders for Using These Products
- Storage: Within 12 months, under 5~40C and 35~65% RH. Extended storage may degrade solderability.
- Environment: Avoid use or storage in corrosive gas environments (salt, acid, alkali).
- Handling: Avoid direct contact with terminals by bare hands to prevent inhibiting soldering. Handle carefully to prevent damage from dropping.
- Terminals: Do not bend terminals excessively to avoid wire fracture.
- Cleaning: Do not rinse coils; contact LANTU if cleaning is necessary.
- Magnetic Fields: Do not expose products to magnets or magnetic fields.
- Preheating: Preheat components before soldering; temperature difference between solder and chip should not exceed 150C.
- Soldering Corrections: Perform after mounting within specified conditions. Overheating may cause short circuits, performance degradation, or reduced lifespan.
- Thermal Design: Account for self-heating when power is ON; ensure sufficient thermal design margin.
- Non-Magnetic Shield Type: Careful coil placement on the PCB is required to prevent malfunctions due to magnetic interference.
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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