Rs = Current Sensing Resistor

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Presentation transcript:

Rs = Current Sensing Resistor Current Sensing Resistors Rs = Current Sensing Resistor Page 1

NCLS Series Current Sensing Resistors Metal Foil on Ceramic Current Sensing Resistors NCLS series is ideal for use in high density low voltage high current circuits; including DC-DC, POL, voltage regulators and power converter applications. RoHS and REACH compliant, NCLS series is supplied on tape and reel packaging, for automated pick and placement and are compatible with Pb-Free reflow soldering. Typical unit pricing ranges from $0.03 to $0.06 USD each, when purchased in production volumes Circuit Applications: Current Sensing Load Balancing Power Management Point of Load Regulators DC-DC Convertors Op Amps & Amplifiers Fuse Monitoring Supply Voltage Monitoring Features: Small 0603, 0805 & 1206 sizes Low Profile; 0.60  0.90mm Height Lower surface temperature High pulsed power capability (No trimming performed) Typically lower cost than metal strip type -55°C  +155°C operating temp range (power derated above +70°C). 0.25W 1W rating (Current rating; 3.5A 12.9A) Stable TCR: 100PPM/°C Resistance range: 5mΩ ~ 40mΩ Precision ±1%, ±2%, ±5% tolerances (F, G, J tolerances) End-Product Applications: Power Supplies Commercial Industrial Telecomm Green Power Test & Instrumentation Page 2

NCLS Series Current Sensing Resistors Metal Foil on Ceramic Current Sensing Resistors ¼W 1W 1%  5% 100 PPM 5mΩ  40mΩ  Cross – replace the below competitor PNs Competitor Series PNs (construction) Cyntec RLxxxx (Foil on Ceramic) Koa TLR__ (1,2,H,Z) (Metal Plate) SEI CSRF___ Susumu KRLxxxx Vishay WSL____ (Metal Alloy) www.niccomp.com/catalog/ncls.pdf www.niccomp.com/series/NCLS Page 3

High Current Capability: 3W rating @ 1mΩ = 54.8A Current Sensing Resistors THERMAL EMF CHARACTERISTICS: Mn-Cu Construction: Thermal EMF = -1μV/°C Ni-Cu Construction: Thermal EMF = -40μV/°C Fe-Al-Cr Construction: Thermal EMF = 1.45μV/°C NCLP Series Metal Strip Current Sensing Resistors Case Size: 2512 1W 3W 1%  5% 75 PPM 1mΩ  500mΩ High Current Capability: 3W rating @ 1mΩ = 54.8A Page 4

1206 Size Current Capability: 1W rating @ 1mΩ = 31.6A Current Sensing Resistors THERMAL EMF CHARACTERISTICS: Mn-Cu Construction: Thermal EMF = -1μV/°C Ni-Cu Construction: Thermal EMF = -40μV/°C NCSS Series Metal Strip Current Sensing Resistors Multiple Case Sizes: 0805 1206 2010 2512 ⅛W 2W 1%  5% 75  275PPM 1mΩ  50mΩ Page 5 1206 Size Current Capability: 1W rating @ 1mΩ = 31.6A

Current Sensing Resistors Metal Strip Current Sensing Resistors 2512 Size 1W 3W 75 PPM 1%  5% 1mΩ  500mΩ NCLP mΩ Values 1.0 68 1.1 70 2 75 3 80 4 85 5 90 7 100 8 120 10 130 11 140 12 150 15 180 18 200 20 220 22 240 25 270 27 280 30 300 33 400 39 500 40 47 50 57 60 NCSS mΩ Values 1 1.5 2 3 4 5 6 7 8 9 10 11 12 14 15 18 20 22 24 25 30 33 35 40 50 Sizes: 0805, 1206 2010, 2512 ⅛W 2W 75 PPM  275PPM 1%  5% 1mΩ  50mΩ Ni-Cu EMF = -40μV/°C Mn-Cu EMF = -1μV/°C Mn-Cu EMF = -1μV/°C Ni-Cu EMF = -40μV/°C Fe-Al-Cr EMF = 1.45μV/°C NCLP Advantages High Power Rating Low 75PPM TCR Wide R value Range Low EMF NCSS Advantages Small Sizes Low EMF option Page 6

Current Sensing Resistors Metal Strip Current Sensing Resistors Circuit Applications: Current Sensing Load Balancing Power Management Point of Load Regulators DC-DC Convertors Op Amps & Amplifiers Fuse Monitoring Supply Voltage Monitoring Rs = Sensing Resistor  Cross the below competitor PNs End Products: Power Supplies Commercial Industrial Telecomm Green Power Test & Instrumentation NIC Components (Metal Strip) KOA (Metal Plate) Panasonic (Thick Film) SEI (Foil on Ceramic) Vishay (Metal Alloy) NCLP (2512, 1~3W) TLR3A, TLR3AW ERJL1W CSRF2512 WSL2512 NCSS10S (0805, 1/4W) n/a ERJ6B CSRF0805 WSL0805 NCSS12S (1206, 1/2W) TLR2B ERJ8B CSRF1206 WSL1206 NCSS20C (2010, 1W) TLR2H ERJL1D CSRF2010 WSL2010 NCSS25C (2512, 1W) TLR3A NCSS25E (2512, 2W) TLR3AW Co-sell with NIC Products: NPIM_P – SMT Power Inductors Metal Composite Shielded; High Current - Low Loss NMC – High Cap Series MLCCs High Capacitance: X7R, X6S, X5R, Y5V Page 7

Current Sensing Resistors Resistance Value Power Ratings Case Size – P/N Prefix R value 0.125W 0.25W 0.50W 0.75W 1.0W 1.5W 2.0W 3.0W 1mΩ  1206 - NCSS12A 1206 - NCSS12S 1206 - NCSS12C 2512 - NCLP25C 2512 - NCSS25C 2512 - NCLP25D 2512 - NCLP25E 2512 - NCLP25G 1.1mΩ 2512 - NCLP25C 1.5mΩ 2512 - NCSS25C - - - 2mΩ 3mΩ 4mΩ 1206 - NCSS12C 2512 - NCLP25C 5mΩ 0805 - NCSS10B 0603 - NCLS06 0805 - NCSS10A 1206 - NCSS12A 0805 - NCSS10S 1206 - NCSS12S 2010 - NCSS20S 2010 - NCSS20I 1206 - NCSS12C 2010 - NCSS20C 2512 - NCLP25C 2010 - NCSS20D 2512 - NCLP25D 6mΩ 0805 - NCLS10 0805 - NCSS10S 2010 - NCSS20S 2010 - NCSS20D 7mΩ  0805 - NCSS10S 1206 - NCSS12S 1206 - NCLS12 1206 - NCSS12C 2512 - NCLP25C 8mΩ 0805 - NCLS10 0805 - NCSS10S 1206 - NCSS12S 9mΩ 1206 - NCLS12 1206 - NCSS12C 10mΩ 0805 - NCLS10 0805 - NCSS10S 1206 - NCSS12S 2010 - NCSS20S 1206 - NCLS12 1206 - NCSS12C 2010 - NCSS20C 2512 - NCLP25C Page 8

Current Sensing Resistors Resistance Value Power Ratings Case Size – P/N Prefix R value 0.125W 0.25W 0.50W 0.75W 1.0W 1.5W 2.0W 3.0W 11mΩ  0603 - NCLS06 0805 - NCLS10 1206 - NCLS12 2512 - NCLP25C 2512 - NCLP25D 2512 - NCLP25E 2512 - NCLP25G 12mΩ 0603 - NCLS06 1206 - NCSS12A 0805 - NCSS10S 1206 - NCSS12S 1206 - NCLS12 1206 - NCSS12C 2512 - NCLP25C 13mΩ 1206 - NCLS12 - - - 14mΩ 1206 - NCLS12 1206 - NCSS12C 15mΩ 0805 - NCSS10S 1206 - NCSS12S 2010 - NCSS20S 2010 - NCSS20I 1206 - NCLS12 1206 - NCSS12C 2010 - NCSS20C 2512 - NCLP25C 2010 - NCSS20D 2512 - NCLP25D 16mΩ 17mΩ 18mΩ 19mΩ 20mΩ 0805 - NCSS10B 0805 - NCLS10 0805 - NCSS10S 1206 - NCSS12S 2010 - NCSS20S Page 9

Current Sensing Resistors Resistance Value Power Ratings Case Size – P/N Prefix R value 0.125W 0.25W 0.50W 0.75W 1.0W 1.5W 2.0W 3.0W 21mΩ   0805 - NCLS10  1206 - NCLS12 - - - 22mΩ 1206 - NCSS12A 0805 - NCLS10 2010 - NCSS20S 2010 - NCSS20I 1206 - NCLS12 1206 - NCSS12C 2010 - NCSS20C 2512 - NCLP25C 2010 - NCSS20D 2512 - NCLP25D 2512 - NCLP25E 2512 - NCLP25G 23mΩ  24mΩ 1206 - NCLS12 2010 - NCSS20C 2010 - NCSS20D 25mΩ 0805 - NCSS10B 0805 - NCLS10 0805 - NCSS10S 1206 - NCSS12S 2010 - NCSS20S  1206 - NCLS12 1206 - NCSS12C 2512 - NCLP25C 2512 - NCLP25D 26mΩ 27mΩ 28mΩ 29mΩ 30mΩ Page 10

Current Sensing Resistors Resistance Value Power Ratings Case Size – P/N Prefix R value 0.125W 0.25W 0.50W 0.75W 1.0W 1.5W 2.0W 3.0W 31mΩ   1206 - NCLS12 - - - 32mΩ 33mΩ 1206 - NCLS12 2512 - NCLP25C 2512 - NCLP25D 2512 - NCLP25E 2512 - NCLP25G 34mΩ 35mΩ 36mΩ 37mΩ 38mΩ 39mΩ 40mΩ 50mΩ 2010 - NCSS20S 2010 - NCSS20I 2512 - NCLP25C 2010 - NCSS20D 2512 - NCLP25D Page 11

Current Sensing Resistors Resistance Value Power Ratings Case Size – P/N Prefix R value 0.125W 0.25W 0.50W 0.75W 1.0W 1.5W 2.0W 3.0W 57mΩ   2512 - NCLP25C 2512 - NCLP25D 2512 - NCLP25E 2512 - NCLP25G 60mΩ 68mΩ 70mΩ 75mΩ 80mΩ 85mΩ 90mΩ 100mΩ 120mΩ 130mΩ 140mΩ 150mΩ 180mΩ 200mΩ 220mΩ 240mΩ 270mΩ 280mΩ 300mΩ 400mΩ 500mΩ Page 12

NIC has broad offering in Performance Passives Q & A Open Discussion NIC has broad offering in Performance Passives Additional Information Needed? Need Samples? Technical Support: tpmg@niccompcom Sales Support: sales@niccomp.com European Engineering Support North America Engineering Support SE Asia Engineering Support Page 13