MRC1-50-51R0-J-BLK

Metal Glaze™ High Power Density Surface Mount Power Resistor MRC Series • 1/2 watt in 1/8 watt package • 1 watt in 1/2 watt package (2010 footprint) • MRC1/2: 0.05 Ω to 1.0 Ω (contact factory for higher values) • 150°C maximum operating temperature • Superior surge handling capability Metal Glaze™ thick film element fired at 1000°C to solid ceramic substrate High temperature dielectric coating 60/40 Solder over nickel barrier Environmental Data Size Industry Code1 Footprint IRC Type Max. Working Power Rating Voltage2 Tolerance Max. Resistance TCR (±%)3 (ppm/°C)3 Voltage Range (ohms)3 0.1 to 0.99 C 1206 MRC1/2 1/2W @ 70°C 200 400 1.0 to 10K 20 to 10K E 2010 MRC1 1W @ 70°C 350 700 0.05 to 0.099 0.10 to 1.0 1,2,5 1,2,5 0.25, 0.5 2,5 1,2,5 100 50,100 50,100 200 100 Product Catagory Low Range Standard Tight Tolerance Low Range Low Range MRC Applications: The MRC1/2 will dissipate 1/2 watt at 70°C on a 1206 footprint, while the MRC 1 will dissipate 1 watt at 70°C on a 2010 footprint. The MRC is recommended for applications where board real estate is a major concern. Due to high power density and superior surge handling capability, it is also recommended as a direct replacement on existing board designs where standard 1206 and 2010 resistors are marginal or failing. Environmental Data Characteristics Temperature Coefficient Thermal Shock Low Temperature Operation Short Time Overload High Temperature Exposure Maximum Change As specified ±(0.5% + 0.01Ω) ±(0.25% + 0.01Ω) ±(1.0% + 0.01Ω) ±(0.5% + 0.01Ω) Test Method MIL-R-55342E Par 4.7.9 (-55°C + 125°C) MIL-R-55342E Par 4.7.3 (-65°C + 150°C, 5 cycles) MIL-R-55342E Par 4.7.4 (-65°C @ working voltage) MIL-R-55342E Par 4.7.5 2.5 x √ PxR for 5 seconds MIL-R-55342E Par 4.7.6 (+150°C for 100 hours) MIL-R-55342E Par 4.7.7 (Reflow soldered to board at 260°C for 10 seconds) MIL-STD-202, Method 208 (245°C for 5 seconds) MIL-R-55342E Par 4.7.8 (10 cycles, total 240 hours) MIL-R-55342E Par 4.7.10 (2000 hours @ 70°C intermittent) 1200 gram push from underside of mounted chip for 60 seconds Chip mounted in center of 90mm long board, deflected 5mm so as to exert pull on chip contacts for 10 seconds Resistance to Bonding Exposure ±(0.25% + 0.01Ω) Solderability Moisture Resistance Life Test Terminal Adhesion Strength Resistance to Board Bending General Note 95% minimum coverage ±(0.5% + 0.01Ω) ±(1.0% + 0.01Ω) ±(1% + 0.01Ω) no mechanical damage ±(1% + 0.01Ω) no mechanical damage IRC reserves the right to make changes in product specification without notice or liability. All information is subject to IRC’s own data and is considered accurate at time of going to print. © IRC Wirewound and Film Technologies Division • 4222 South Staples Street • Corpus Christi Texas 78411 USA Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com A subsidiary of TT electronics plc MRC Series Issue June 2008 Sheet 1 of 2 Metal Glaze™ High Power Density Surface Mount Power Resistor Repetitive Surge Curve 1000 Peak Power (watts) 100 MRC 1 MRC 1/2 10 1 0.0001 0.001 0.01 0.1 1 Surge or Pulse Duration (seconds) Note: Use for repetitive pulses where the average power dissipation is not to exceed the component rating at 70°C. Surge handling capacity for low-repetitive surges may be significantly greater than shown above. Contact factory for recommendations. Power Derating Curve 100 Ordering Data Sample Part No. MRC1/2 - 100 - 1000 - F - 13 IRC Type (MRC 1/2 & MRC 1) % Of Rated Power 60 Temperature Coefficient 50 ppm, 100 ppm, 200 ppm Resistance Value 0 25 70 150 (100Ω and greater - First 3 significant figures plus 4th digit multiplier) Example: 100Ω = 1000, 1000Ω = 1001, 150,000Ω = 1503 (Less than 100Ω - "R" is used to designate decimal) Example: 51Ω = 51R0, 1Ω = 1R00, 0.25Ω = R250 Ambient Temperature (°C) Tolerance (C = 0.25%, D = 0.5%, F = 1.0%, G = 2.0%, J = 5.0%) Packaging Code* (BLK = Bulk, 7 = 7" Reel, 13 = 13" Reel) © IRC Wirewound and Film Technologies Division • 4222 South Staples Street • Corpus Christi Texas 78411 USA Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com MRC Series Issue June 2008 Sheet 2 of 2