Beijing Silk Road Enterprise Management Services Co., Ltd.
| Current - Saturation (Isat) | 4A |
| Description | 4A SMD,12.5x12.5mm Fixed Inductors RoHS |
| Mfr. Part # | SDRI127-680MT |
| Package | SMD,12.5x12.5mm |
| Model Number | SDRI127-680MT |
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Product Specification
| Current - Saturation (Isat) | 4A | Description | 4A SMD,12.5x12.5mm Fixed Inductors RoHS |
| Mfr. Part # | SDRI127-680MT | Package | SMD,12.5x12.5mm |
| Model Number | SDRI127-680MT |
The SDRI127 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 high saturation current, low DC resistance, and a closed magnetic circuit design to minimize leakage. Their highly accurate dimensions facilitate automatic mounting, and they are available in various package sizes and a wide inductance range. Compliant with RoHS, Halogen Free, and REACH standards, they are suitable for use in VTRs, LCD televisions, notebook PCs, portable communication equipment, and DC/DC converters.
| Part No. | Inductance (H) | Tolerance | Test Frequency (L) | Q Factor Min | Test Frequency (Q) | DCR () Max | Saturation Current (A) Max | Temperature Rise Current (A) Max |
|---|---|---|---|---|---|---|---|---|
| SDRI127-1R0N | 1.0 | 30% | 100KHz | 20 | 1MHz | 0.009 | 26.00 | 10.00 |
| SDRI127-2R2N | 2.2 | 30% | 100KHz | 20 | 1MHz | 0.012 | 21.00 | 8.00 |
| SDRI127-2R7N | 2.7 | 30% | 100KHz | 20 | 1MHz | 0.013 | 19.00 | 8.00 |
| SDRI127-3R3N | 3.3 | 30% | 100KHz | 20 | 1MHz | 0.013 | 16.00 | 8.00 |
| SDRI127-3R9N | 3.9 | 30% | 100KHz | 20 | 1MHz | 0.013 | 14.00 | 7.50 |
| SDRI1274R7N | 4.7 | 30% | 100KHz | 30 | 1MHz | 0.016 | 12.00 | 6.80 |
| SDRI127-6R1N | 6.1 | 30% | 100KHz | 30 | 1MHz | 0.018 | 11.50 | 6.60 |
| SDRI127-6R8N | 6.8 | 30% | 100KHz | 30 | 1MHz | 0.019 | 10.50 | 6.60 |
| SDRI127-7R6N | 7.6 | 30% | 100KHz | 30 | 1MHz | 0.020 | 10.00 | 5.90 |
| SDRI127-8R2N | 8.2 | 30% | 100KHz | 30 | 1MHz | 0.020 | 9.50 | 5.60 |
| SDRI127-100N | 10 | 30% | 100KHz | 35 | 1MHz | 0.021 | 9.00 | 5.40 |
| SDRI127-120M | 12 | 20% | 100KHz | 35 | 1MHz | 0.240 | 8.50 | 4.90 |
| SDRI127-150M | 15 | 20% | 100KHz | 35 | 1MHz | 0.027 | 8.00 | 4.50 |
| SDRI127-180M | 18 | 20% | 100KHz | 35 | 1MHz | 0.039 | 7.50 | 3.90 |
| SDRI127-220M | 22 | 20% | 100KHz | 35 | 1MHz | 0.043 | 7.00 | 3.60 |
| SDRI127-270M | 27 | 20% | 100KHz | 35 | 1MHz | 0.046 | 6.50 | 3.40 |
| SDRI127-330M | 33 | 20% | 100KHz | 35 | 1MHz | 0.065 | 5.50 | 3.00 |
| SDRI127-390M | 39 | 20% | 100KHz | 35 | 1MHz | 0.072 | 5.00 | 2.75 |
| SDRI127-470M | 47 | 20% | 100KHz | 35 | 1MHz | 0.100 | 4.60 | 2.50 |
| SDRI127-560M | 56 | 20% | 100KHz | 35 | 1MHz | 0.110 | 4.40 | 2.35 |
| SDRI127-680M | 68 | 20% | 100KHz | 35 | 1MHz | 0.140 | 4.00 | 2.10 |
| SDRI127-820M | 82 | 20% | 100KHz | 35 | 1MHz | 0.160 | 3.80 | 1.95 |
| SDRI127-101M | 100 | 20% | 100KHz | 40 | 0.796MHz | 0.220 | 3.50 | 1.70 |
| SDRI127-121M | 120 | 20% | 100KHz | 40 | 0.796MHz | 0.250 | 3.00 | 1.60 |
| SDRI127-151M | 150 | 20% | 100KHz | 40 | 0.796MHz | 0.280 | 2.70 | 1.42 |
| SDRI127-181M | 180 | 20% | 100KHz | 40 | 0.796MHz | 0.350 | 2.50 | 1.30 |
| SDRI127-221M | 220 | 20% | 100KHz | 40 | 0.796MHz | 0.390 | 2.00 | 1.16 |
| SDRI127-271M | 270 | 20% | 100KHz | 40 | 0.796MHz | 0.560 | 1.95 | 1.06 |
| SDRI127-331M | 330 | 20% | 100KHz | 40 | 0.796MHz | 0.640 | 1.90 | 0.95 |
| SDRI127-391M | 390 | 20% | 100KHz | 40 | 0.796MHz | 0.700 | 1.65 | 0.88 |
| SDRI127-471M | 470 | 20% | 100KHz | 40 | 0.796MHz | 0.980 | 1.50 | 0.79 |
| SDRI127-561M | 560 | 20% | 100KHz | 40 | 0.796MHz | 1.070 | 1.40 | 0.73 |
| SDRI127-681M | 680 | 20% | 100KHz | 40 | 0.796MHz | 1.460 | 1.30 | 0.67 |
| SDRI127-821M | 820 | 20% | 100KHz | 40 | 0.796MHz | 1.640 | 1.10 | 0.60 |
| SDRI127-102M | 1000 | 20% | 100KHz | 40 | 0.796MHz | 1.820 | 1.00 | 0.55 |
| Part No. | Dimensions (LWH) (mm) | A (mm) | B (mm) | C (mm) | D (mm) | E (mm) | F (mm) | G (mm) | H (mm) |
|---|---|---|---|---|---|---|---|---|---|
| SDRI127 | 12.512.58.0 | 12.5 Max | 12.5 Max | 8.0 Max | 5.0 | 7.6 | 2.9 | 7.0 | 5.4 |
| Environmental Data | Value |
|---|---|
| Operating Temperature | -40 to +125 (Including coils self-temperature rise) |
| Test Equipment | Instrument |
|---|---|
| Inductance (L) | HP4284A, HP4285A LCR meter or equivalent |
| Saturation Current (Isat) & Temperature Rise Current (Irms) | HP4284+42841A or equivalent |
| Quality Factor (Q) | HP4285A or equivalent |
| DC Resistance (DCR) | Chroma 16502 or equivalent |
| Product Identification | Description |
|---|---|
| SDRI 127 470 M T | SDRI: Type, 127: Dimensions, 470: Inductance (47H), M: Tolerance (20%), T: Packing (Tape & Reel) |
| Inductance Tolerance Codes | J:5%, K: 10%, L: 15%, M: 20%, P: 25%, N: 30% |
| Packing Codes | B: Bulk Package, T: Tape & Reel |
| Part No. | Tape Dimension W (mm) | Tape Dimension P (mm) | Tape Dimension H (mm) | Reel Dimension A (mm) | Reel Dimension B (mm) | Reel Dimension C (mm) | Reel Dimension D (mm) | Reel (PCS) | Inside Box (PCS) | Outside Carton (PCS) |
|---|---|---|---|---|---|---|---|---|---|---|
| SDRI127 | 24 | 16 | 11.5 | 24.4 | 100 | 330 | 500 | 1000 | 4000 |
| Test Item | Requirements | Test Methods and Remarks |
|---|---|---|
| Terminal Strength (SMT) | Meet requirements without any loose terminal. | Pulling test based on terminal area; Solder paste thickness: 0.12mm. Speed: 1.0mm/s. Keep time: 101s. |
| Terminal Strength (DIP) | Meet requirements without any loose terminal. | Applied force based on terminal diameter. Duration: 10sec. |
| Resistance to Flexure | No visible mechanical damage. | Flexure: 2mm. Speed: 0.5mm/sec. Keep time: 30 sec. |
| Dropping | No case deformation or change in appearance. No short and no open. | Drop from 1m height in 1 angle, 3 ridges and 6 surfaces, twice in each direction. |
| Solderability | Wetting shall exceed 75% coverage. Terminals must have 95% minimum solder coverage. | Solder temperature: 2402. Duration: 3 sec. Solder: Sn/3.0Ag/0.5Cu. Flux: 25% Resin and 75% ethanol. |
| Vibration | Inductance change: Within 10%. Q factor change: Within 20%. | Frequency: 10 to 55 Hz. Amplitude: 1.5mm. Duration: 2 hours in each 3 mutually perpendicular directions. |
| Thermal Shock | Inductance change: Within 10%. Q factor change: Within 20%. | 100 cycles of temperature shock (-55~40 to 85~125). Transforming interval: Max. 20 sec. |
| Low temperature Storage | Inductance change: Within 10%. Q factor change: Within 20%. | Temperature: -55~-402. Duration: 962 hours. |
| High temperature Storage | Inductance change: Within 10%. Q factor change: Within 20%. | Temperature: 85~1252. Duration: 962 hours. |
| Damp Heat (Steady States) | Inductance change: Within 10%. Q factor change: Within 20%. | Temperature: 602. Humidity: 90% to 95% RH. Duration: 962 hours. |
| Heat endurance of Reflow soldering | L/L10%. Q/Q30%. DCR/DCR10%. | Peak temperature: 260+0/-5. Performed twice. |
| Resistance to solvent test | No case deformation or change in appearance or obliteration of marking. | Dip in IPA solvent for 50.5Min, dry for 5Min, brush 10 times. |
| Overload test | During the test no smoke, no peculiar smell, no fire. Characteristic is normal after test. | Apply twice the rated current for 5 minutes. Performed twice. |
| Voltage resistance test | During the test no breakdown. Characteristic is normal after test. | DC1000V, Current: 1mA, Time: 1Min. |
The recommended reflow conditions are provided as a guideline and may need adjustment based on specific user equipment and process conditions.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer
Year Established:
2009
Employee Number:
>>300
Ecer Certification：
Verified Supplier
Company Profile Beijing Silk Road Enterprise Management Services Co.,Ltd. is a professional company focus on integrated circuit ic business. Beijing Silk Road will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining an... Company Profile Beijing Silk Road Enterprise Management Services Co.,Ltd. is a professional company focus on integrated circuit ic business. Beijing Silk Road will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining an...
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