Low Value Current Sense Flat Chip Resistor IR C Ad vanced Film Di vision IRC Adv Division LR Series * Resistance range from 0.002 up to 1 * Standard 60/40 and lead-free terminations available * High power dissipation at 70C * Tolerances to 1% Electrical Data Res i s t an c e Rang e TCR* (p pm /C) To l er an c e J, K To l er an c e K 206 0.010 to 1 0.003 to 1 0.003 to 1 010 0.010 to 1 0.003 to 1 0.002 to 1 512 0.010 to 1 0.003 to 1 0.002 to 1 Si ze To l er an c e F, G, J, K Pow er Rat i n g at 70C (Wat t s ) Di el ec t r i c Wi t h s t and i n g Vo l t ag e Tem p er at u r e Ri s e at Rat ed Power 0.5 200 40C 1.0 200 80C 2.0 200 90C 100 Pad an d Tr ac e A r ea fo r Max Pow er Rat i ng @ 70C Oper at i n g Tem p er at u r e 30 mm2 -55C to +150C 30 mm2 300 mm2 * Contact factory for TCR information on values under 0.05 ohms Outline Dimensions D L W 60/40 Solder Plating Nickel Barrier Layer H Protective Overcoat Copper Wraparound Termination Copper Conductor Element E Copper Termination Alumina Substrate 1206 2010 2512 in. mm in. mm in. mm. L 0.126 0.012 3.20 0.305 0.206 0.015 5.23 0.38 0.256 0.015 6.50 0.38 W 0.064 0.008 1.63 0.203 0.104 0.010 2.64 0.25 0.128 .010 3.25 0.25 H 0.024 0.004 0.61 0.102 0.029 0.004 0.74 0.1 0.029 0.004 0.74 0.1 D 0.019 0.010 0.48 0.25 0.019 0.010 0.48 0.25 0.019 0.010 0.48 0.25 E 0.019 0.010 0.48 0.25 0.019 0.010 0.48 0.25 0.019 0.010 0.48 0.25 General Note 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. (c) IRC Advanced Film Division * Corpus Christi Texas 78411 USA Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Email: afdsales@irctt.com * Website: www.irctt.com A subsidiary of TT electronics plc LR Series Issue October 2004 Low Value Current Sense Flat Chip Resistor IR C Ad vanced Film Di vision IRC Adv Division Environmental Performance Env i ronment al Tes t Tes t Met hod Per f or mance (Res i s t ance Change) MIL-STD-202 Method 107 Condition B, -65 C +125 C 0.5% + 0.0005 Short Time Overload MIL-PR F-55342 0.5% + 0.0005 High Temperature Exposure MIL-PR F-55342 0.5% Temperature Cycling MIL-STD-883 Method 1010 Condition B, -65 C +125 C 0.25% Moisture R esistance MIL-PR F-55342 0.5% MIL-PR F-55342 R ated Power @ 70 C 1.0% MIL-PR F-55342 0.5% MIL-STD-202 Method 210 0.25% + 0.0005 Molten Solder 250 C 90 seconds minimum Thermal Shock Load Life Low Temperature Operation R esistance to Solder Heat Leach R esistance Power Derating and Pulse/Surge Capability Power Derating Curve Pulse and Surge Capability Surge Power Watts % Of Rated Power 100 50 70 50 30 20 Average power dissipation should not exceed normal 70C rating LRC 25 12 2 wa tts LRC 20 10 1 wa tt LRC 12 06 0.5 watts 10 7 5 3 10 25 70 150 300 Sec Temperature in C 1 mSec 3 mSec 10 mSec Ordering Procedure B LR for values > 0.025 LRF for values 0.025 1 Sec A LRC - LRF 1206 - 01 - R020 - F 300 mSec Model 100 mSec Recommended Solder Pad Layout Prefix 30 mSec Surge or Repetitive Pulse Duration 01 = 100ppm/C DIM. A Resistance Code C TCR Code 1206; 1206LF; 2010; 2010LF; 2512; 2512LF LF=Lead Free Terminations Size Tolerance Code LR2010 LR2512 0.080 0.120 0.145 mm (2.0) (3.05) (3.7) in. 0.160 0.255 0.305 mm (4.0) (6.5) (7.75) in. 0.050 0.060 0.060 mm (1.25) (1.5) (1.5) 4-Digit resistance code. Ex: R050 = 0.050; 1R00 = 1 LR1206 in. B F = 1%, G = 2%, J = 5% For additional information or to discuss your specific requirements, please contact our Applications Team using the contact details below. (c) IRC Advanced Film Division * Corpus Christi Texas 78411 USA Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Email: afdsales@irctt.com * Website: www.irctt.com C LR Series Issue October 2004