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Specifications
Current - Saturation (Isat):
5.5A
Mfr. Part #:
MSA75-4R7M
Package:
SMD
Key Attributes
Model Number:
MSA75-4R7M
Product Description
Product Overview
The MSA75-4R7M is a SMD Power Inductor designed for high-current applications. It features a super low resistance and ultra-high current rating, realized by a metal dust core for high performance (I sat). This inductor is RoHS compliant and suitable for operating frequencies up to 1MHz. Typical applications include low-profile, high-current power supplies, battery-powered devices, DC/DC converters in distributed power systems, and DC/DC converters for field-programmable gate arrays.
Product Attributes
- Brand: SHENZHEN MOTTO TECHNOLOGY Co., Ltd
- Model Number: MSA75-4R7M
- Certifications: IATF16949 / ISO9001 / ISO14000
- Material: Metal dust core
- Compliance: ROHS compliant
- Marking: 4R7 on top of the body
Technical Specifications
| Parameter | Specification | Condition | Test Instrument |
|---|---|---|---|
| Inductance (L) | 4.7±20% µH | 100KHz/1.0V | MICROTEST 6377 |
| DC Resistance (DCR) | 24 mΩ MAX | At 25°C | TH2512A |
| Saturation Current (I sat) | 5.5A TYP | 30% drop, 100KHz/1.0V | MICROTEST 6377+6220 |
| Dimensions (A) | 7.8 ±0.3 mm | - | - |
| Dimensions (B) | 7.0 ±0.3 mm | - | - |
| Dimensions (C) | 5.0 ±0.3 mm | - | - |
| Operating Temperature Range | -55°C to +125°C | - | - |
| Frequency Range | Up to 1MHz | - | - |
Reliability Tests
| Test Item | Specification | Test Method |
|---|---|---|
| Solderability 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 | Frequency: (10Hz to 55Hz to 10Hz) in 60 seconds as a period; Time: 2 hours in each of 3 mutual perpendicular directions; Amplitude: 1.5 mm Max |
| Shock Test | Inductance change: Within±5% Without mechanical damage | Peak value: 100G; Duration of pulse: 11ms; 3 times in each positive and negative direction of 3 mutual perpendicular directions |
| Thermal Shock | Inductance change: Within±5% Without mechanical damage | 100 cycles: (-55±2°C, 30±3 minutes) then Room temperature 5 minutes, then (+125±2°C, 30±3 minutes) then Room temperature 5 minutes. Recovery: 48+4/-0 hours under standard conditions. |
| High Temperature Life Test | Inductance change: Within±5% Without mechanical damage | Environment: 85±2°C; Applied current: Rated current; Duration: 1000+4/-0 hours. |
| Humidity Resistance | Inductance change: Within±5% Without mechanical damage | Environment: 60±2°C, 90~95% Humidity; Applied current: Rated current; Duration: 1000+4/-0 hours. |
| Low Temperature Life Test | Inductance change: Within±5% Without mechanical damage | Store temperature: -55±2°C for 1000+4/-0 hours. |
| High Temperature Life Test (Storage) | Inductance change: Within±5% Without mechanical damage | Store temperature: +125±2°C for 1000+4/-0 hours. |
Packaging
Tape Packaging Dimensions
| W | A0 | B0 | K0 | P | F | E | D0 | P0 | T |
|---|---|---|---|---|---|---|---|---|---|
| 16.00 ±0.30 | 7.2 ±0.10 | 8.2 ±0.10 | 5.3 ±0.10 | 12.0 ±0.10 | 7.5 ±0.1 | 1.75 ±0.10 | 1.50 ±0.10 | 4.0 ±0.10 | 0.35 ±0.05 |
Reel Dimensions
| Item | Dimension (mm) |
|---|---|
| A | 330.0 ± 2.0 |
| B | 100.0 ± 1.0 |
| C | 13.0 ± 1.0 |
| D | 1.9 ± 0.4 |
| W | 30.4 Max |
| W1 | 24.4 ± 1.0 |
Carton Dimensions
| Item | Quantity (PCS) |
|---|---|
| 1 Reel | 1000 |
| 1 Inner Box | 3000 |
| 1 Outer Box | 9000 |
Reflow Profile
Reflow Soldering Method
Soldering iron method: 350±5°C Max. 3 seconds.
2411220237_COILMX-MSA75-4R7M_C396424.pdf
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