LOW VALUE FLAT CHIP RESISTOR ISO-9001 Registered LRC / LRF * * * * * SERIES IRC proprietary low value resistance film system Standard 2512, 2010 and 1206 sizes s Resistance values down to 0.003 ohms Leach resistant solder-plated copper wrap-around termination Low inductance - less than 0.2nH Standard EIA Tape - 1206 = 8mm; 2010 or 2512 = 12mm High conductivity plated wrap around termination SPECIFICATIONS: Model Resistance Range (Ohms) LR1206 0.010 to 1 LR2010 0.003 to 1 LR2512 0.003 to 1 LR1225 0.003 to 0.10 TCR (ppm/C) 100 (Contact factory for value below 0.050 ohms) Power Rating at 70C (Watts) Dielectric Withstanding Voltage Temperature Rise at Rated Power Pad and Trace Area for Max Power Rating @ 70C 0.5 200 40C 30 mm2 1.0 200 80C 30 mm2 1.5 / 2.0* 200 90C 100 mm2 2.0 200 80C 200 mm2 * 2 Watts with total solder pad and trace size of 300 mm2 CONSTRUCTION & MECHANICAL DIMENSIONS: LR1206 / 2010 / 2512 LR1225 D L D bottom 2 places w D Plating Wrap-around 60/40 Solder Plating H Nickel Barrier Layer Copper Wraparound Termination Protective Overcoat H Resistive Element W in. Copper Termination TOP BOTTOM SIZE Alumina Substrate L W H D D bottom 0.126 0.012 0.064 0.008 0.024 0.004 0.019 0.010 0.019 0.010 LR1206 LR2010 mm 3.20 0.305 1.63 0.203 0.061 0.102 0.48 0.25 0.48 0.25 in. 0.206 0.015 0.104 0.010 0.029 0.004 0.019 0.010 0.019 0.010 mm 5.23 0.38 2.64 0.25 0.74 0.1 0.48 0.25 0.48 0.25 in. 0.256 0.015 0.128 .010 0.029 0.004 0.019 0.010 0.019 0.010 LR2512 LR1225 mm. 6.50 0.38 3.25 0.25 0.74 0.1 0.48 0.25 0.48 0.25 in. 0.128 0.010 0.256 0.015 0.029 0.004 0.020 0.010 0.031 0.005 mm. 3.25 0.25 6.5 0.38 0.74 0.1 0.48 0.25 0.79 0.12 ADVANCED FILM DIVISION 4222 South Staples Street * Corpus Christi, Texas 78411 * Tel: 361-992-7900 * Fax: 361-992-3377 * www.irctt.com 050699 LRC / LRF SERIES ISO-9001 Registered Environmental Performance Recommended Solder Pad Dimensions Characteristic Test Method Performance Thermal Shock MIL-STD-202 Method 107 Condition B, -65C +125C 0.5% Short Time Overload MIL-PRF-55342 0.5% High Temperature Exposure MIL-PRF-55342 0.5% Temperature Cycling MIL-STD-883 Method 1010 Test Condition B 0.25% Moisture MIL-PRF-55342 0.5% Load Life MIL-PRF-55342 Rated Power @ 70C 1.0% Low Temperature Operation MIL-PRF-55342 0.5% Low Temperature Storage -65C, 100 Hours 0.5% Resistance to Solder Heat MIL-STD-202 Method 210 0.25% Leach Resistance Molten Solder 250C 90 seconds minimum A B C DIM. A B C LR1206 LR2010 LR2512 in. 0.080 0.120 0.145 LR1225 0.305 mm (2.0) (3.05) (3.7) (7.75) in. 0.160 0.255 0.305 0.175 mm (4.0) (6.5) (7.75) (4.45) in. 0.050 0.060 0.060 0.06 mm (1.25) (1.5) (1.5) (1.5) Derating Curve % Of Rated Power 100 50 10 25 70 150 Temperature in C Pulse and Surge Capability 70 Surge Power Watts 50 30 LRC 25 12 2 w atts LRC 20 10 1 w att LRC 12 06 0.5 watts 20 10 Average power dissipation should not exceed normal 70C rating 7 5 3 300 Sec Sec 1 m Sec 3 m Sec 10 m Sec 30 m Sec Surge or Repetitive Pulse Duration 100 m Sec 300 m Sec 1 HOW TO ORDER Sample Part Number: LRC - LR 2010 - 01 - R040 - J MODEL LR = Resistance ranges above .025 ohm LRF = Resistance range .025 and below TOLERANCE F = 1%; G = 2%; J = 5%; K = 10% SIZE: 1206, 2010, 2512, 1225 TCR CHARACTERISTIC 01 = 100 ppm/oC (Standard) RESISTANCE CODE Standard MIL code with "R" signifying decimal place. ADVANCED FILM DIVISION 4222 South Staples Street * Corpus Christi, Texas 78411 * Tel: 361-992-7900 * Fax: 361-992-3377 * www.irctt.com 050699