MCS Series Metal Element Current Sense Resistive Metal Alloy mOhm Technology, SMD F e at u r e s • 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 with Pb Free termination (60% Sn, 40% Ni) • 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) A p p l i c at i o n s • 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 S ERIE S S PE C I F I C ATION S Series MCS1632 MCS3264 Power Rating Resistance TCR (ppm/°C) (@70°C) 5mΩ 10mΩ 15mΩ 20mΩ 25mΩ 1W <200 <70 <40 <40 <40 2W <200 <70 <40 <40 <40 30mΩ <40 <40 40mΩ <40 <40 50mΩ <40 <40 c h a r a c t e r i s t i cs Resistance Range 0.005Ω - 0.05Ω Standard resistance 5, 10, 15, 20, 25, 30, 35, 50 values (mΩ) 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% 100 300 80 Temperature °C Power 1 and 2 watts at 70°C Recommended Solder Profile Derating Percent Rated Power Color white (top) / green (bottom) 60 40 20 0 -55 Rated voltage (PxR)1/2 150 10 sec. 200 Preheating 60 sec. 120 sec. 150 Cooling 100 50 0 0 50 70 100 Ambient Temperature, oC Soldering 250 0 50 100 150 200 Time (sec.) 250 Preheating: 145°C ±15°, max. 120 sec. Soldering: min. 220°C, max. 60 sec. Marking Epoxy UL-94-V0 Conformal NiCu or MnCu Resistive Alloy Material TCR ±10ppm/ϒK Max. Temp.: 260°C ±5°, 10 sec. 96% Alumina Substrate Thermo-dissipation Protective Layer Cu Electrode Pb-free Termination Flame-retardant Epoxy Protective Coat 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • [email protected] 15 MCS Series Metal Element Current Sense Resistive Metal Alloy mOhm Technology, SMD P e r f o r m a n c e C h a r a c t e r i s t i cs 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 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 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 Solderability JIS C 5202 6.5; Solder temp. 235 ±5°C, 2 ±0.5 sec. immersion Resistance to Solder Heat JIS C 5202 6.4; Solder temp. 260 ±5°C, 10 ±1 sec. immersion Mechanical Shock JIS C 5202 6.2; Load 10N (1.02kgf) for 10 ±1 sec., middle of specimen pressurized (in./mm±0.2) 0.024" 0.60mm ±0.02 a MCS1632R005FER L2 N 0.063/1.60 0.040/1.00 0.075/1.9 ±.2 Size Resistance L2 O N ≤8mΩ >8mΩ ≤8mΩ >8mΩ MCS3264 0.60mm 1.20mm 1.60mm 3.10mm 1.84mm 1.84mm 3.57mm 3.57mm Solder Thickness (µm) 0.020/0.50 MCS3264 0.252/6.40 0.126/3.20 MCS3264R005FER 105 105 Solder Thickness Loading 105μm 105μm 1.0w 1.0w 2.80mm 2.50mm 3.85mm 3.10mm 105μm 105μm MCS1632R010FER MCS1632R015FER MCS1632R020FER MCS1632R025FER MCS1632R050FER MCS3264R005FER MCS3264R010FER MCS3264R015FER MCS3264R020FER MCS3264R025FER MCS3264R050FER 2.0w 2.0w Packaging (in./mm) Size MCS1632 MCS3264 16 Tape width ±0.30mm Reel diam. ±0.50mm Pc/Reel 0.315/8.00 7.00/178.0 0.472/12.00 7.00/178.0 5000 4000 Tolerance Taping Code Ohms 1632 = 5,000 pc/reel R005 = 0.005‰ F = 1% 3264 = 4,000 pc/reel Part Number Size L W a MCS1632 >102MΩ Series Case Size Metal Alloy 1632 = 1w Current Sense 3264 = 2w O 0.126/3.20 New solder min. 90% of terminal ±(0.5% +0.0005Ω) o r d e r i n g i n f o r m at i o n W MCS1632 ±(1% +0.0005Ω) RoHS Compliant L Land Pattern ±(0.5% +0.0005Ω) ±(0.5% +0.0005Ω) Insulation Resistance JIS C 5202 5.6; DC 100 ±15V for 1 min. dimensions ±(0.5% +0.0005Ω) Weight (g ±10) 131 291 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • [email protected] Power Rating Ohm Value Qty./ Reel 1W 1W 1W 1W 1W 0.01Ω 0.015Ω 0.02Ω 0.025Ω 0.05Ω 5000 5000 5000 5000 5000 2W 2W 2W 2W 2W 2W 0.005Ω 0.01Ω 0.015Ω 0.02Ω 0.025Ω 0.05Ω 4000 4000 4000 4000 4000 4000