WCR0805LF4991FPLT TT Electronics

General Purpose Thick Film Chip Resistor Organic Wrap- Protection around termination WCR Series Tolerances to 0.5% TCR down to 100ppm/C Zero ohm jumpers available Glass Wide ohmic range from 1W to 10MW Passivation Nickel Thick Film Now supplied with RoHS compliant terminations Barrier Element Electrical Data Maximum Maximum Operating Ohmic Range () Rated Power IRC TCR Working Overload Temperature 70C Type (ppm/C) Voltage Voltage Range (milliwatts) 5% 1% (V) (V) (C) 300 10R - 91R 10R - 97R6 WCR0201 50 25 50 200 100R - 10M 100R - 1M 400 1R0 - 10R 1R0 - 10R WCR0402 200 11R - 10M 11R - 100R 63 50 100 100 N/A 101R - 1M0 400 1R0 - 10R 1R0 - 10R WCR0603 200 11R - 10M 11R - 100R 100 50 100 100 N/A 101R - 1M0 400 1R0 - 10R 1R0 - 10R WCR0805 200 11R - 10M 11R - 100R 125 150 200 100 N/A 101R - 1M0 400 1R0 - 10R 1R0 - 10R -55 to +155 WCR1206 200 11R - 10M 11R - 100R 250 200 400 100 N/A 101R - 1M0 400 1R0 - 10R 1R0 - 10R WCR1210 200 11R - 10M 11R - 100R 250 200 400 100 N/A 101R - 1M0 400 1R0 - 10R 1R0 - 10R WCR2010 200 11R - 10M 11R - 100R 500 200 400 100 N/A 101R - 1M0 400 1R0 - 10R 1R0 - 10R WCR2512 200 11R - 10M 11R - 100R 1000 200 400 100 N/A 101R - 1M0 General Note IRC reserves the right to make changes in product specification without notice or liability. All information is subject to IRCs own data and is considered accurate at time of going to print. A subsidiary of TT electronics plc IRC Advanced Film Division 4222 South Staples Street Corpus Christi Texas 78411 USA Telephone: 361 992 7900 Facsimile: 361 992 3377 Website: www.irctt.com WCR Series Issue October 2009 Sheet 1 of 3General Purpose Thick Film Chip Resistor Environmental Data Test Conditions Test Method Max Change (5%) Max Change (1%) 5 seconds Short Time Overload 2.0% +0.1 1.0% +0.1 2.5 X Rated Power 5 Cycles Temperature Cycling 1.0% +0.1 0.5% +0.1 -55C to +125C 240 Hours Humidity 40C 2 3.0% +0.1 1.0% +0.1 90-95% RH 1000 Hours 70C 3 Load Life 3.0% +0.1 1.0% +0.1 1.5 hours on 30 minutes off 1000 Hours Low Temperature Exposure 1.0% +0.1 1.0% +0.1 -55C 3 10 1 Seconds Effects of Solder Heat 1.0% +0.1 1.0% +0.1 260C 5 3 0.5 Seconds Solderability 95% Min Coverage 95% Min Coverage 235C 5 Physical Data (inches) L a W H TOP BOTTOM SIDE b Model L W H a b WCR0201 0.0240.002 0.0120.002 0.0090.002 0.0050.002 0.0060.002 WCR0402 0.0390.004 0.0200.002 0.0140.002 0.0080.004 0.0100.004 WCR0603 0.0630.004 0.0320.006 0.0200.004 0.0120.008 0.0120.008 WCR0805 0.0790.006 0.0490.006 0.0200.004 0.0160.008 0.0120.008 WCR1206 0.1250.006 0.0610.006 0.0240.004 0.0180.008 0.0180.008 WCR1210 0.1260.004 0.1020.006 0.0240.004 0.0200.010 0.0200.008 WCR2010 0.1970.004 0.0980.006 0.0240.004 0.0230.010 0.0200.008 WCR2512 0.2480.004 0.1260.006 0.0240.004 0.0230.010 0.0200.008 IRC Advanced Film Division 4222 South Staples Street Corpus Christi Texas 78411 USA Telephone: 361 992 7900 Facsimile: 361 992 3377 Website: www.irctt.com WCR Series Issue October 2009 Sheet 2 of 3