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Specifications
Power(Watts):
1W
Resistance:
18mΩ
Type:
Current Sense Resistor
Tolerance:
±1%
Mfr. Part #:
MFSA1206R0180FCM
Package:
1206
Key Attributes
Model Number:
MFSA1206R0180FCM
Product Description
Product Overview
The MFSA series SMD current sensing resistors are designed for high-performance applications. Utilizing metal foil technology, these resistors offer low sensing resistance and high power dissipation. They are AEC-Q200 compliant and available in various sizes from 0402 to 1206, including wide terminal options. Ideal for switched-mode power supplies, voltage regulator modules, power management, and stepper motor drives, these resistors provide reliable current monitoring.
Product Attributes
- Brand: Eaton
- Family Name: MFSA
- Material: Metal Foil (MnCu)
- Certifications: AEC-Q200 compliant
- Environmental Compliance: Pb FREE, HALOGEN HF FREE
- Moisture Sensitivity Level (MSL): 1
Technical Specifications
| Part Number Scheme | Size Code | Footprint | Resistance Option | Metal Material | Power Rating Option | Resistance Tolerance Option | Product Features | Applications |
| MFS@xxxxRxxxx*? | 0402, 0603, 0805, 1206, 0508, 0612 | EIA 0402, 0603, 0805, 1206, 0508 (wide), 0612 (wide) | Rxxxx (e.g., R0100 = 10.0 m) | M (MnCu) | A (1/4 W), S (1/2 W), I (3/4 W), C (1 W), D (1.5 W) | F (1%) | Low sensing resistance, High power dissipation, Moisture sensitivity level (MSL): 1 | Switched-mode power supply (SMPS), Voltage regulator module, Power management, Stepper motor drives |
Electrical Specifications
| Part Number | Size | Grade Option | Resistance Value (m) | Resistance Tolerance | Power Rating | TCR (ppm/C) | Operating Temperature |
| MFS@0402Rxxxx*?M | 0402 (1005 metric) | A | 10 (0100), 20 (0200) | 1% (F) | 1/4 W (A) | 100 | -55 C to +125 C |
| MFS@0603Rxxxx*?M | 0603 (1608 metric) | A | 5 (0050), 7 (0070), 9 (0090), 10 (0100), 15 (0150), 20 (0200) | 1% (F) | 1/2 W (S) | 50 | -55 C to +155 C |
| MFS@0805Rxxxx*?M | 0805 (2012 metric) | A | 5(0050), 6(0060), 6.5(0065), 7(0070), 8(0080), 9(0090), 10(0100), 15(0150), 20(0200), 25(0250), 30(0300) | 1% (F) | 3/4 W (I) | 50 | -55 C to +155 C |
| MFS@1206Rxxxx*?M | 1206 (3216 metric) | A | 5(0050), 6(0060), 8(0080), 10(0100), 11(0110), 12(0120), 15(0150), 17(0170), 18(0180), 20(0200), 22(0220), 25(0250), 27(0270), 30(0300), 33(0330), 40(0400) | 1% (F) | 1 W (C) | 50 | -55 C to +155 C |
| MFS@0508Rxxxx*?M | 0508 (1220 metric) | A | 5 (0050), 10 (0100) | 1% (F) | 1 W (C) | 50 | -55 C to +155 C |
| MFS@0612Rxxxx*?M | 0612 (1632 metric) | A | 2(0020), 3(0030), 4(0040), 5(0050), 6(0060), 6.5(0065), 7(0070), 8(0080), 9(0090), 10(0100) | 1% (F) | 1.5 W (D) | 75 (for 2-4m), 50 (for 5-10m) | -55 C to +155 C |
Mechanical Parameters
| Family | Size code | L [mm] | W [mm] | C [mm] | T [mm] |
| MFSA0402 | 0402 [1005] | 1.0 0.10 | 0.55 0.10 | 0.30 0.10 | 0.45 0.10 |
| MFSA0603 | 0603 [1608] | 1.60 0.20 | 0.80 0.20 | 0.40 0.20 | 0.70 0.20 |
| MFSA0805 | 0805 [2012] | 2.0 0.20 | 1.25 0.20 | 0.40 0.30 | 0.70 0.20 |
| MFSA1206 | 1206 [3216] | 3.20 0.20 | 1.60 0.20 | 0.50 0.30 | 0.70 0.20 |
| MFSA0508 | 0508 [1220] | 1.25 0.20 | 2.0 0.20 | 0.40 0.20 | 0.50 0.20 |
| MFSA0612 | 0612 [1632] | 1.60 0.20 | 3.20 0.20 | 0.40 0.20 | 0.50 0.20 |
Recommended PCB Layout (mm)
| Family | Resistance (m) | A | L | B |
| MFSA0402 | 10 ~ 20 | 0.7 | 0.45 | 0.375 |
| MFSA0603 | 5 R 20 | 1 | 0.6 | 1.1 |
| MFSA0805 | 5 R 30 | 1.4 | 1.2 | 1 |
| MFSA1206 | 5 R 30 | 1.8 | 1.6 | 1.55 |
| MFSA1206 | 31 R 40 | 1.8 | 2.2 | 1.35 |
| MFSA0508 | 5 R 10 | 2.4 | 0.45 | 0.875 |
| MFSA0612 | 1 R 20 | 3.8 | 0.85 | 0.625 |
Part Marking
| Family | Marking |
| MFSA0402 | No marking |
| MFSA0603 | No marking |
| MFSA0805 | xxx (resistance value in ohms, 3 digits; e.g., 005 = 0.005 or 5 m, 010 = 0.010 or 10 m; exception: 6.5 = 0.0065 or 6.5 m) |
| MFSA1206 | xxx (resistance value in ohms, 3-4 digits; e.g., 0025 = 0.0025 or 2.5 m, 005 = 0.005 or 5 m, 010 = 0.010 or 10 m) |
| MFSA0508 | No marking |
| MFSA0612 | xxx (resistance value in ohms, 3-4 digits; e.g., 0025 = 0.0025 or 2.5 m, 005 = 0.005 or 5 m, 010 = 0.010 or 10 m) |
Packaging Information
| Size | Tape | Quantity |
| 0402 | 7 inch paper | 10K |
| 0603 | 7 inch paper | 5K |
| 0805 | 7 inch paper | 4K |
| 1206 | 7 inch paper | 4K |
| 0508 | 7 inch paper | 4K |
| 0612 | 7 inch paper | 4K |
2410121551_EATON-MFSA1206R0180FCM_C20075256.pdf
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