eneral Purpose Thick Film General Purpose Thick Film Chip Resistor hip Resistor General Purpose Thick Film *Chip Tolerances to 0.5% Resistor WCR Series Series * * * * TCR down to 100ppm/C erances to 0.5% Zero ohm jumpers available R down to 100ppm/C Wide ohmic range from 1 to 10M WCR Series o ohm jumpers available Now supplied s Tolerances to 0.5% with RoHS compliant terminations e ohmic range 1 to 10M s TCR from down to 100ppm/C s Zero ohm jumpers availableterminations w supplied with RoHS compliant Organic Protection Organic Protection Wraparound termination Wraparound termination Glass Passivation Nickel Barrier s Wide ohmic range from 1 to 10M s Now supplied with RoHS compliant terminations Thick Film Glass Element Passivation Nickel Barrier Thick Film Element ectrical Data Electrical Data RC ype R0201 R0402 R0603 R0805 R1206 R1210 R2010 R2512 IRC TCR Type (ppm/C) WCR0201 300 OhmicOhmic Range (7) (7) Range TCR (ppm/C) 5% 5% 300 10R - 91R 200 100R - 10M 10R - 91R 1% 1% 10R - 97R6 10R - 97R6 100R - 1M 200 100R 400 - 10M 1R0 - 10R 100R - 1M 1R0 - 10R WCR0402 400 200 1R0 11R - 10M - 10R - 100R 1R011R - 10R 200 100 WCR0603 100 N/A 400 1R0 - 10R 11R - 10M 200 N/A 11R - 10M 400 100 1R0 200 400 1R0 - 10R 200 11R - 10M WCR0805 100 - 10R N/A 11R - 10M 100 N/A N/A 101R - 1M0 11R - 100R 1R0 - 10R 101R - 1M0 11R - 100R 1R0 - 10R 11R - 100R 11R - 100R 101R - 1M0 101R - 1M0 1R0 400 - 10R 1R0 - 10R WCR1206 200 200 11R 11R - 10M 11R11R - 100R - 10M - 100R 100 400 N/A N/A 1R0 - 10R 400 WCR1210 1R0 200 - 10R 11R - 10M 200 100 11R - 10M N/A 100 400 WCR2010 400 200 WCR2512 100 400 200 N/A 1R0 - 10R 11R - 10M 1R0 - 10R N/A 100 11R 400 200 11R - 10M 100 200 1R0 - 10R N/A 11R - 10M 63 100 125 50 50 100 100 150 50 200 100 250 125 200 250 200 150 400 200 1R0 - 10R 1R011R - 10R - 100R - 1M0 11R101R - 100R 250 -55 to +155 400 200 400 1R0 - 10R 101R - 1M0 11R - 100R 1R0101R - 10R - 1M0 11R - 100R 101R - 1M0 500 200 250 1000 400 200 200 400 400 101R - 1M0 1R0 - 10R 11R - 100R All information is subject to IRC's own data and is considered accurate at time of going to print. 11R - 10M 100 -55 to +155 500 200 400 - 1M0 TT electronics reserves the right to make changes in product specification without notice or liability. (c) IRC Advanced Film to Division s 3OUTH s #ORPUS #HRISTI 4EXAS 53! All information is subject TT electronics' own3TAPLES data3TREET and is considered accurate at time of going to print. 200 50 101R - 1M0 IRC reserves the right to make changes in product specification without notice or liability. General Note 100 N/A 101R (c) TT electronics plc 50 63 100 50 25 101R - 1M0 General Note 400 1R0 - 10R 4ELEPHONE s &ACSIMILE s 7EBSITE WWWIRCTTCOM 25 50 1R01R0 - 10R - 10R - 10M - 100R 1R0 - 10R 11R 1R0 - 10R N/A 50 - 1M0 1R0101R - 10R 400 100 Maximum Maximum Maximum Operating Operating Rated Power Maximum Rated Power Working OverloadOverload TemperatureTemperatur Working @ @70C 70C Voltage Range VoltageVoltage Voltage Range (milliwatts) (milliwatts) (V) (V) (C) (V) (V) (C) 1R0 - 10R 11R - 100R 1000 A subsidiary of TT electronics plc www.bitechnologies.com www.irctt.com 7#2 3ERIES )SSUEwww.welwyn-tt.com /CTOBER 3HEET OF 200 400 10. 11 General Purpose Thick Film Chip Resistor General Purpose Thick Film Chip Resistor WCR Series Environmental Data Test Conditions Test Method Max Change (5%) Max Change (1%) Short Time Overload 5 seconds 2.5 X Rated Power 2.0% +0.17 1.0% +0.17 Temperature Cycling 5 Cycles -55C to +125C 1.0% +0.17 0.5% +0.17 Humidity 240 Hours 40C 2 90-95% RH 3.0% +0.17 1.0% +0.17 Load Life 1000 Hours 70C 3 1.5 hours on 30 minutes off 3.0% +0.17 1.0% +0.17 1000 Hours -55C 3 1.0% +0.17 1.0% +0.17 Effects of Solder Heat 10 1 Seconds 260C 5 1.0% +0.17 1.0% +0.17 Solderability 3 0.5 Seconds 235C 5 95% Min Coverage 95% Min Coverage Low Temperature Exposure Physical Data (inches) L a TOP SIDE BO TT OM W H 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 (c) IRC Advanced Film Division s 3OUTH 3TAPLES 3TREET s #ORPUS #HRISTI 4EXAS 53! 4ELEPHONE s &ACSIMILE s 7EBSITE WWWIRCTTCOM 7#2 3ERIES )SSUE /CTOBER 3HEET OF General Note TT electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT electronics' own data and is considered accurate at time of going to print. www.bitechnologies.com www.irctt.com www.welwyn-tt.com (c) TT electronics plc 10. 11 General Purpose Thick Film Chip Resistor General Purpose Thick Film Chip Resistor WCR Series Power Derating Chart % Of Rated P ower 100 50 10 25 70 155 Temperature in C Packaging Reel Physical Data A 60mm 1 B C o178mm 2 W Size Tape Qty A (mm) B (mm) C (mm) W (mm) 0201 Paper 15K 2.00.5 13.00.5 21.00.5 10.01 0402 Paper 20K 2.00.5 13.00.5 21.00.5 10.01 0603 Paper 5K 2.00.5 13.00.5 21.00.5 10.01 0805 Paper 5K 2.00.5 13.00.5 21.00.5 10.01 1206 Paper 5K 2.00.5 13.00.5 21.00.5 10.01 1210 Paper 5K 2.00.5 13.00.5 21.00.5 10.01 2010 Paper 4K 2.00.5 13.00.5 21.00.5 13.81 2512 Plastic 4K 2.00.5 13.00.5 21.00.5 13.81 Ordering Data Sample Part Number WCR - WCR1206LF - 1001 - F - P - LT Model WCR00201LF, WCR0402LF, WCR0603LF, WCR0805LF WCR1206LF, WCR1210LF, WCR2010LF, WCR2512LF Resistance 3-digit resistance code for tolerances G and J. 4-digit resistance code for tolerances F and D. Tolerance J = 5%, G = 2%, F = 1%, D = 0.5% Tape Type P = Paper, E = Plastic Tape & Reel Packaging For additional information or to discuss your specific requirements, please contact our Applications Team using the contact details below. (c) IRC Advanced Film Division s 3OUTH 3TAPLES 3TREET s #ORPUS #HRISTI 4EXAS 53! 4ELEPHONE s &ACSIMILE s 7EBSITE WWWIRCTTCOM 7#2 3ERIES )SSUE /CTOBER 3HEET OF General Note TT electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT electronics' own data and is considered accurate at time of going to print. www.bitechnologies.com www.irctt.com www.welwyn-tt.com (c) TT electronics plc 10. 11