Product Overview
The Unibody Inductor, MSM252012 series, is a high-performance power inductor designed for low-profile, high-current applications. Featuring a metal dust core for superior performance and ultra-high current rating, this RoHS-compliant component is ideal for battery-powered devices, DC/DC converters in distributed power systems, and DC/DC converters for field-programmable gate arrays. It operates efficiently up to 1MHz.
Product Attributes
- Brand: Coilmx (implied by website and email)
- Origin: China
- Certifications: ROHS compliant
- Core Material: Metal dust core
- Construction: Unibody
Technical Specifications
| Model No. | Inductance L (uH) ±20 %, 1MHz, 1V | DCR (mΩ) TYP. | DCR (mΩ) MAX. | Isat (A) MAX. | Irms (A) MAX. |
| MSM252012-R10M | 0.10 | 6 | 10 | 12.50 | 10.50 |
| MSM252012-R15M | 0.15 | 7 | 11 | 12.00 | 10.00 |
| MSM252012-R22M | 0.22 | 9 | 14 | 9.00 | 7.60 |
| MSM252012-R24M | 0.24 | 10 | 15 | 8.80 | 7.50 |
| MSM252012-R33M | 0.33 | 11 | 17 | 7.80 | 6.40 |
| MSM252012-R47M | 0.47 | 13 | 19 | 7.00 | 6.00 |
| MSM252012-R68M | 0.68 | 17 | 23 | 6.00 | 5.50 |
| MSM252012-R82M | 0.82 | 19 | 24 | 5.80 | 5.30 |
| MSM252012-1R0M | 1.00 | 35 | 42 | 5.00 | 3.60 |
| MSM252012-1R2M | 1.20 | 40 | 45 | 4.10 | 3.40 |
| MSM252012-1R5M | 1.50 | 44 | 50 | 4.10 | 3.20 |
| MSM252012-2R2M | 2.20 | 55 | 65 | 3.30 | 2.70 |
| MSM252012-3R3M | 3.30 | 80 | 97 | 2.70 | 1.80 |
| MSM252012-4R7M | 4.70 | 150 | 170 | 2.10 | 1.50 |
| MSM252012-6R8M | 6.80 | 245 | 270 | 1.70 | 1.40 |
| MSM252012-100M | 10.00 | 330 | 400 | 1.45 | 1.05 |
| MSM252012-220M | 22.00 | 740 | 800 | 1.00 | 1.10 |
| Product Dimensions (Unit: mm) |
| A | 2.5 ±0.2 |
| B | 2.0 ±0.2 |
| C | 1.2 Max |
| D | 0.85 ±0.2 |
| E | 0.8 ±0.2 |
| Characteristics |
| Ambient Temperature for Testing | 25°C |
| Isat Definition | DC current (A) that will cause an approximate ΔT 40°C |
| Irms Definition | DC current (A) that will cause L0 to drop approximately 30% Typ |
| Operating Temperature Range | -55°C to +125°C |
| Maximum Part Temperature | 125°C (ambient + temp rise) under worst-case conditions |
| Product Identification |
| Product Symbol | |
| Dimensions | |
| Inductance | |
| Tolerance | M±20%, N±30% |
| Material | |
| Applications |
| 1 | Low profile, high current power supplies |
| 2 | Battery powered devices |
| 3 | DC/DC converters in distributed power systems |
| 4 | DC/DC converters for field programmable gate array |
| Features |
| 1 | ROHS compliant |
| 2 | Super low resistance, ultra high current rating |
| 3 | High performance (Isat) realized by metal dust core |
| 4 | Frequency Range: up to 1MHz |
| Reliability |
| Item | Specification and Requirement |
| Solder ability test | Terminals area must have 95% min solder coverage |
| Solder heat proof | Preheating: 160±10°C for 90 seconds; Retention time: 245±5°C for 2±0.5 seconds |
| Vibration test | Inductance change: Within±5% Without mechanical damage such as break; Vibration frequency: (10Hz to 55Hz to 10Hz) in 60 seconds as a period; Vibration time: Period cycled for 2 hours in each of 3 mutual perpendicular directions; Amplitude: 1.5 mm Max |
| Shock test | Inductance change: Within±5% Without mechanical damage such as break; Peak value: 100G; Duration of pulse: 11ms; Times in each positive and negative direction of 3 mutual perpendicular directions |
| Thermal shock | Inductance change: Within±5% Without mechanical damage such as break; Repeat 100 cycles (-55±2°C,30±3 minutes) Room temperature,5 minutes (+125±2°C,30±3 minutes) Room temperature,5 minutes; Recovery:48+4/-0 hours of recovery under the standard condition |
| High temperature life test | Inductance change: Within±5% Without mechanical damage such as break; Environment condition : 85±2°C; Applied current: Rated current; Duration:1000+4/-0 hours |
| Humidity Resistance | Inductance change: Within±5% Without mechanical damage such as break; Environment condition : 60±2°C; Humidity:90~95%; Applied current: Rated current; Duration:1000+4/-0 hours |
| Low temperature life test | Inductance change: Within±5% Without mechanical damage such as break; Store temperature -55±2°C for total 1000+4/-0 hours |
| High temperature life test | Inductance change: Within±5% Without mechanical damage such as break; Store temperature +125±2°C for total 1000+4/-0 hours |
| Packaging - Tape Packaging Dimensions (mm) |
| W | A0 | B0 | K0 | P | F | E | D0 | P0 | T |
| 8.0 ±0.30 | 2.45 ±0.10 | 2.80 ±0.10 | 1.35 ±0.05 | 4.0 ±0.10 | 3.5 ±0.1 | 1.75 ±0.10 | 1.50 ±0.10 | 4.0 ±0.10 | 0.25 ±0.05 |
| Packaging - Reel Dimensions (mm) |
| Item | A | B | C | D | W | W1 |
| Dimensions | 180.0 ± 2.0 | 60.0 ± 1.0 | 13.0 ± 1.0 | 2.0± 0.2 | 14.4 Max | 8.4 ± 1.0 |
| Packaging - Carton Dimensions |
| Item | Quantity (PCS) |
| 1 Reel | 3000 |
| 1 Inner Box | 30000 |
| 1 Outer Box | 120000 |
| Reflow Profile |
| 1. Reflow Soldering Method | |
| 2. Soldering iron method | 350±5°C Max. 3 seconds. |
