MCS Series
Metal Element Current Sense
Resistive Metal Alloy mOhm Technology, SMD
| Series | Power Rating (@70°C) | Resistance TCR (ppm/°C) |
| 5mΩ | 10mΩ | 15mΩ | 20mΩ | 25mΩ | 30mΩ | 40mΩ | 50mΩ |
| MCS1632 | 1W | <200 | <70 | <40 | <40 | <40 | <40 | <40 | <40 |
| MCS3264 | 2W | <200 | <70 | <40 | <40 | <40 | <40 | <40 | <40 |
FEATURES
- NiCu or MnCu resistive alloy; material TCR ±10ppm/°K
- Marking epoxy UL-94-V0 conformal
- 96% alumina substrate thermo dissipation protective layer
- Cu terminal electrode Pb-free termination
- Flame-retardant epoxy protective coat (UL-94-V0)
- Ultra low resistance value (0.005Ω ~ 0.050Ω)
- Precision resistance alloy (NiCr20AlSi, or CuMnNi); material selected for low TCR (<50ppm/°C)
- Superior temperature coefficient characteristics; resistance vs. temp. change from 25°C to 125°C within 10ppm/°C ~ 50ppm/°C
- Low inductance, low thermo EMF (<50µV/°C)
APPLICATIONS
- Industrial electronics, power electronics: power supply, DC/DC converter, AC/DC converter, motor controller, automotive electronics
- Battery charger, PC, PDA, 3C products, Telecommunications, instruments, white goods
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SPECIFICATIONS
- Resistance Range: 0.005Ω - 0.05Ω
- Color: white (top) / green (bottom)
- Power: 1 and 2 watts at 70°C
- Standard resistance values (mΩ): 5, 10, 15, 20, 25, 30, 35, 50
- TCR: ±50ppm/°C (two standard series of temperatures: 25°C, 0°C, -15°C, -55°C and 25°C, 50°C, 75°C, 125°C, 150°C; temp. tolerance ±3°C; TCR = (R2-R1)/R1(T2-T1)x106)
- Tolerance: 1%, 3%, 5%
- Rated voltage: (PxR)1/2
DERATING
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DIMENSIONS (in./mm±0.02)
| Size | L | W | a | N | L2 | O | Solder Thickness (µm/w) |
| MCS1632 | 0.126/3.20 | 0.063/1.60 | 0.020/0.50 | 0.059/1.50 | 0.039/1.00 | 0.079/2.00 | 35/0.5, 105/1.0 |
| MCS3264 | 0.252/6.40 | 0.126/3.20 | 0.040/1.00 | 0.079/2.00 | 0.165/4.20 | 0.150/3.80 | 35/1.0, 105/2.0 |
PACKAGING (in./mm)
| Size | Tape width ±0.30mm | Reel diam. ±0.50mm | Pc/Reel | Weight (g ±10) | Part. no. |
| MCS1632 | 0.315/8.00 | 7.00/178.0 | 5000 | 131 | T5 |
| MCS3264 | 0.472/12.00 | 7.00/178.0 | 4000 | 291 | T4 |
PERFORMANCE CHARACTERISTICS
| Test | Condition | Maximum ∆R |
| Short Time Overload | JIS C 5201 4.13; Overload voltage 2.5x rated voltage for 5 sec. | ±(0.5% +0.0005Ω) |
| High Temp. Exposure | JIS C 5202 7.11; Test chamber 155 ±3°C for 1000 +48/-0 hours | ±(0.5% +0.0005Ω) |
| Low Temp. Storage | JIS C 5202 7.1; Test chamber -55 ±3°C for 96 ±4 hours | ±(0.5% +0.0005Ω) |
| Endurance under Damp and Load | JIS C 5202 7.9; Temp. 60 ±2°C, relative humidity 90-95%, rated DC voltage applied 90 min. on, 30 min. off for 1000 +48/-0 hours | ±(0.5% +0.0005Ω) |
| Thermal Shock | JIS C 5202 7.4; -55 ±3°C for 30 min. to room temp for 2-3 min. to +150 ±2°C for 30 min. to room temp for 2-3 min., 100 cycles | ±(0.5% +0.0005Ω) |
| Load Life | JIS C 5202 7.10; Temp. 70 ±2°C, rated DC voltage applied 90 min. on, 30 min. off for 1000 +48/-0 hours | ±(1% +0.0005Ω) |
| Solderability | JIS C 5202 6.5; Solder temp. 235 ±5°C, 2 ±0.5 sec. immersion | New solder min. 90% of terminal |
| Resistance to Solder Heat | JIS C 5202 6.4; Solder temp. 260 ±5°C, 10 ±1 sec. immersion | ±(0.5% +0.0005Ω) |
| Mechanical Shock | JIS C 5202 6.2; Load 10N (1.02kgf) for 10 ±1 sec., middle of specimen pressurized | ±(0.5% +0.0005Ω) |
| Insulation Resistance | JIS C 5202 5.6; DC 100 ±15V for 1 min. | >102MΩ |
HOW TO ORDER
STANDARD VALUES
| Part Number | Power Rating | Ohm Value | Qty./Reel |
| MCS1632R010FER | 1W | 0.01Ω | 5000 |
| MCS1632R015FER | 1W | 0.015Ω | 5000 |
| MCS1632R020FER | 1W | 0.02Ω | 5000 |
| MCS1632R025FER | 1W | 0.025Ω | 5000 |
| MCS1632R050FER | 1W | 0.05Ω | 5000 |
| MCS3264R005FER | 2W | 0.005Ω | 4000 |
| MCS3264R010FER | 2W | 0.01Ω | 4000 |
| MCS3264R015FER | 2W | 0.015Ω | 4000 |
| MCS3264R020FER | 2W | 0.02Ω | 4000 |
| MCS3264R025FER | 2W | 0.025Ω | 4000 |
| MCS3264R050FER | 2W | 0.05Ω | 4000 |
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NEW PRODUCT ARCHIVES
Download Datasheet (PDF)