Beijing Silk Road Enterprise Management Services Co., Ltd.
| Description | SMD,7.3x7.3mm Fixed Inductors RoHS |
| Mfr. Part # | MS74-4R7MT |
| Package | SMD,7.3x7.3mm |
| Model Number | MS74-4R7MT |
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Product Specification
| Description | SMD,7.3x7.3mm Fixed Inductors RoHS | Mfr. Part # | MS74-4R7MT |
| Package | SMD,7.3x7.3mm | Model Number | MS74-4R7MT |
The MS74 Series of SMD power inductors are designed for general electronic equipment applications, including audio-visual equipment, office automation, and household appliances. These power inductors offer reliable performance with a wide operating temperature range and robust construction.
| Customer Part No. | Fenghua Part No. | Inductance (Ls) (H) | Tolerance | Max. DC Resistance (RDC) () | Rated DC Current (IDC) (A) | Marking |
|---|---|---|---|---|---|---|
| MS74-1R0NT | 1.0 | 30% | 0.022 | 6.00 | 1R0 | |
| MS74-1R5NT | 1.5 | 30% | 0.028 | 3.20 | 1R5 | |
| MS74-2R2NT | 2.2 | 30% | 0.030 | 3.00 | 2R2 | |
| MS74-3R3NT | 3.3 | 30% | 0.035 | 2.80 | 3R3 | |
| MS74-4R7NT | 4.7 | 30% | 0.040 | 2.50 | 4R7 | |
| MS74-6R8NT | 6.8 | 30% | 0.050 | 2.10 | 6R8 | |
| MS74-8R2NT | 8.2 | 30% | 0.060 | 2.00 | 8R2 | |
| MS74-100MT | 10 | 20% | 0.055 | 1.84 | 100 | |
| MS74-120MT | 12 | 20% | 0.058 | 1.71 | 120 | |
| MS74-150MT | 15 | 20% | 0.081 | 1.47 | 150 | |
| MS74-180MT | 18 | 20% | 0.091 | 1.31 | 180 | |
| MS74-220MT | 22 | 20% | 0.110 | 1.23 | 220 | |
| MS74-270MT | 27 | 20% | 0.150 | 1.10 | 270 | |
| MS74-330MT | 33 | 20% | 0.170 | 0.96 | 330 | |
| MS74-390MT | 39 | 20% | 0.230 | 0.91 | 390 | |
| MS74-470MT | 47 | 20% | 0.260 | 0.88 | 470 | |
| MS74-560MT | 56 | 20% | 0.350 | 0.75 | 560 | |
| MS74-680MT | 68 | 20% | 0.380 | 0.69 | 680 | |
| MS74-820MT | 82 | 20% | 0.430 | 0.61 | 820 | |
| MS74-101MT | 100 | 20% | 0.610 | 0.60 | 101 | |
| MS74-121MT | 120 | 20% | 0.660 | 0.52 | 121 | |
| MS74-151MT | 150 | 20% | 0.880 | 0.46 | 151 | |
| MS74-181MT | 180 | 20% | 0.980 | 0.42 | 181 | |
| MS74-221MT | 220 | 20% | 1.170 | 0.36 | 221 | |
| MS74-271MT | 270 | 20% | 1.640 | 0.34 | 271 | |
| MS74-331MT | 330 | 20% | 1.860 | 0.32 | 331 | |
| MS74-391MT | 390 | 20% | 2.850 | 0.29 | 391 | |
| MS74-471MT | 470 | 20% | 3.010 | 0.26 | 471 | |
| MS74-561MT | 560 | 20% | 3.620 | 0.23 | 561 | |
| MS74-681MT | 680 | 20% | 4.630 | 0.22 | 681 | |
| MS74-821MT | 820 | 20% | 5.200 | 0.20 | 821 | |
| MS74-102MT | 1000 | 20% | 6.000 | 0.18 | 102 | |
| MS74-152MT | 1500 | 20% | 8.800 | 0.16 | 152 | |
| MS74-182MT | 1800 | 20% | 10.000 | 0.15 | 182 |
| Parameter | Value |
|---|---|
| Series | MS74 |
| Product Type | SMD Power Inductor |
| Operating Temperature Range | -40 to +85 (Including self-heating) |
| Dimensions (Typical) | Length: 7.3mm 0.30mm, Width: 7.3mm 0.30mm, Thickness: 4.2mm 0.30mm |
| Testing Conditions (Standard) | Temperature: 2015, Humidity: 6520% RH |
| Testing Conditions (Doubt) | Temperature: 202, Humidity: 655% RH, Atmospheric Pressure: 86 to 106 kPa |
| Rated DC Current Definition | Current causing 20% inductance reduction or 40 surface temperature rise (whichever is smaller), reference ambient 20. |
| Core Material | Ni-Zn ferrite DR/RI core |
| Winding Material | Enamelled Wire (H class) |
| Base Material | Phosphor bronze |
| Glue Material | Epoxy |
| Marking Ink | INK |
| Item | Requirements | Test Methods and Remarks |
|---|---|---|
| Insulation Resistance | 100M | 100 V DC between coil and core for 60 seconds. |
| Solderability | 95% or more of electrode area shall be coated by new solder. | Dip in solder pot (96.5Sn/3.0Ag/0.5Cu) at 245 5 for (51) seconds. |
| Resistance to Soldering Heat | No visible mechanical damage. Inductance change: Within 10%. | Dip in solder pot (96.5Sn/3.0Ag/0.5Cu) at 2605 for (101) seconds. |
| Adhesion of terminal electrode | Strong bond between the pad and the core, without come off. | Subjected to 260 5 for 20 s5 s soldering, then apply 10 N force for 10 1s. |
| High temperature | No visible mechanical damage. Inductance change: Within 10%. | 85 2 , 1000 +24 0 h; Test within 48 hours after 2 hours at room temperature. |
| Low temperature | No visible mechanical damage. Inductance change: Within 10%. | -40 2 , 1000 +24 0 h; Test within 48 hours after 2 hours at room temperature. |
| Temperature Cycling | No visible mechanical damage. Inductance change: Within 10%. | (-403 for (303) min (852) /(303) min, 32 cycles. Test within 48 hours after 2 hours at room temperature. |
| Temperature characteristic | Inductance change Pc-b, Pc-d: Within 20%. | See formula in source document. |
| Constant damp heat | No visible mechanical damage. Inductance change: Within 10%. | (90~95)% RH, 60 2 , 1000 +24 0 h. Test within 48 hours after 2 hours at room temperature. |
| High-temperature load (Life-span) | No visible mechanical damage. Inductance change: Within 10%. | 85 2, 1000 +24 0 h, Apply rated current. Test within 48 hours after 2 hours at room temperature. (Note: Derate current if surface temp > 125) |
| Item | Details |
|---|---|
| Tape Dimensions | W: 160.5 mm, P: 7.60.3 mm, E: 7.60.3 mm, F: 1.50.3 mm, P2: 1.50.3 mm, D: 1.750.3 mm, D1: 7.50.3 mm, A0: 5.00.3 mm, B0: 4.00.3 mm, K0: 2.00.3 mm, T: 0.350.10 mm |
| Packing Quantity | Reel (PCS): 1,000; Box (PCS): 4,000; Carton (PCS): 12,000 |
| Peeling Force | 10130g |
| Peeling Speed | 300mm/min10% |
| Peeling Angle | 165180 |
Reflow soldering is recommended.
Soldering Iron Rework: Preheating at 150 for 1 minute. Tip temperature: 350, Power: 30W, Tip diameter: 1.0mm, Time: <3 s. Do not directly touch the core with the tip.
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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