sn plating overcoat ceramic substrate resistive element ni plating conductor (lead free) features n anti-surge n wide resistance range n rohs compliant* applications n pulse power applications n high voltage applications n consumer electronics n telecommunications n power supplies CRS series - high power anti-surge chip resistor *rohs directive 2002/95/ec jan. 27, 2003 including annex and rohs recast 2011/65/eu june 8, 2011. specifcations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. users should verify actual device performance in their specifc applications. *rohs compliant lead free *rohs compliant versions available lead free versions are rohs compliant* dimensions: mm (inches) electrical characteristics recommended solder pad layout construction performance characteristics test conditions specifcation short time overload 2 times rated voltage or maximum r ?(2 % + 0.1 ) overload voltage for 5 seconds. solderability 245 5 c for 3 0.5 seconds. over 95 % coverage resistance to 260 5 c for 10 1 seconds. r ?(1 % + 0.1 ) solder heat 40 2 c, 90 to 95 %. load life humidity 1.5 hours on, 0.5 hours off for r ?(3 % + 0.1 ) 1000 hours at rated power. 70 c. load life 1.5 hours on, 0.5 hours off for r ?(3 % + 0.1 ) 1000 hours at rated power. -55 c (30 min.), +25 c (2~3 min.), temperature cycle +155 c (30 min.), +25 c (2~3 min.) r ?(1 % + 0.05 ) for fve cycles. dimensions: mm (inches) model dimension a b l CRS0805 1.30 (0.051) 1.15 (0.045) 3.50 (0.138) CRS1206 1.80 (0.071) 1.30 (0.051) 4.70 (0.185) CRS2010 3.00 (0.118) 1.50 (0.059) 6.80 (0.268) CRS2512 3.70 (0.146) 2.45 (0.096) 7.60 (0.299) characteristic CRS0805 CRS1206 CRS2010 CRS2512 power rating @ 70c 0.25 w 0.5 w 1 w 2 w operating temperature range -55 c to +155 c maximum working voltage 150 v 200 v 200 v 300 v maximum overload voltage 300 v 400 v 400 v 600 v resistance range / temperature coeffcient 1 to 9.9 ohms / 200 ppm/c 10 ohms to 1 megohm / 100 ppm/c tolerance / standard resistance values 1 % / e96 + e24 5 % / e24 product dimensions model dimension a b c d t CRS0805 2.00 0.10 (0.079 0.004) 1.25 0.10 (0.049 0.004) 0.40 0.20 (0.016 0.008) 0.40 0.20 (0.016 0.008) 0.50 0.10 (0.020 0.004) CRS1206 3.10 0.10 (0.122 0.004) 1.60 0.10 (0.063 0.004) 0.50 0.20 (0.020 0.008) 0.50 0.20 (0.020 0.008) 0.55 0.10 (0.022 0.004) CRS2010 5.00 0.20 (0.197 0.008) 2.50 0.20 (0.098 0.008) 0.60 0.25 (0.024 0.010) 0.60 0.25 (0.024 0.010) 0.55 0.10 (0.022 0.004) CRS2512 6.40 0.20 (0.252 0.008) 3.20 0.20 (0.126 0.008) 0.60 0.25 (0.024 0.010) 1.80 0.25 (0.071 0.010) 0.60 0.15 (0.024 0.006) a b t l b d d c c a a b t l b d d c c a a b t l b d d c c a ambient temperature (c) 70 155 100 -55 power ratio (%) derating curve
specifcations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. users should verify actual device performance in their specifc applications. CRS series - high power anti-surge chip resistor surge performance 1000 100 10 1 0.0001 0.001 0.01 CRS0805 CRS1206 CRS2010 CRS2512 0.1 1 surge duration (seconds) peak power (w) 1 10 100 1000 10000 10 test method:1.2/50 s waveform 5 pulses at 12 second intervals 100 1000 10000 100000 CRS0805 CRS1206 CRS2010 CRS2512 resistance (ohms) peak voltage (volts)
specifcations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. users should verify actual device performance in their specifc applications. CRS series - high power anti-surge chip resistor soldering profle 0 50 100 150 200 250 300 01 0 50 100 150 200 250 time (seconds) temperature (c) 60 - 120 seconds 10 - 15 seconds 245 c peak 190 c how to order CRS 2512 - f x - 24r3 e lf model CRS = anti-surge chip resistor size 0805 1206 2010 2512 resistance tolerance f = 1 % j = 5 % tcr x = 100 ppm/c w = 200 ppm/c resistance value 1% tolerance: <100 ohms ..... r represents decimal point (example: 24r3 = 24.3 ohms) 100 ohms ...... first three digits are signifcant, fourth digit represents numb er of zeros to follow (example: 8252 = 82.5k ohms) 5% tolerance: <10 ohms ....... r represents decimal point (example: 4r7 = 4.7 ohms) 10 ohms ........ first two digits are signifcant, third digit represents number of zeros to follow (example: 474 = 470k ohms) packaging e = 5,000 pieces per 7-inch reel (CRS0805, CRS1206) 4,000 pieces per 7-inch reel (CRS2010, CRS2512) termination lf = tin-plated (rohs compliant)
3312 - 2 mm smd trimming potentiometer specifcations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. users should verify actual device performance in their specifc applications. CRS series - high power anti-surge chip resistor packaging dimensions (conforms to eia rs-481a) rev. 05/16 2.00 0.05 (0.079 0.002) 4.00 0.10 (0.157 0.004) 4.00 0.10 (0.157 0.004) 1.50 +0.10/-0 (0.059 +0.004/-0) dia. a f w b 1.2 0.15 (0.047 0.006) 1.75 0.10 (0.069 0.004) top tape embossed tape resistor user direction of feed 60.0 (2.362) min. dia. dia. 180 +0/-3 (7.09 +0/-0.118) 13.0 1.0 (0.512 0.039) dia. 15.4 2.0 (0.606 0.079) 13.0 1.0 (0.512 0.039) dimensions: mm (inches) 2.0 0.5 (0.079 0.020) 178.2 2.0 (7.016 0.079) dia. 20.0 (0.787) dia. max. g t 60.0 0.5 (2.362 0.020) 13.0 0.5 (.512 .020) dia. model dimension a b f w CRS0805 1.65 0.20 (0.065 0.008) 2.40 0.20 (0.094 0.008) 3.50 0.05 (0.138 0.002) 8.00 0.30 (0.315 0.012) CRS1206 2.00 0.20 (0.079 0.008) 3.60 0.10 (0.142 0.004) 3.50 0.05 (0.138 0.002) 8.00 0.30 (0.315 0.012) CRS2010 2.80 0.20 (0.110 0.008) 5.50 0.20 (0.217 0.008) 5.50 0.05 (0.217 0.002) 12.00 0.30 (0.472 0.012) CRS2512 3.50 0.20 (0.138 0.008) 6.70 0.20 (0.264 0.008) 5.50 0.05 (0.217 0.002) 12.00 0.30 (0.472 0.012) model pcs. per reel dimension g t (max.) CRS0805 5,000 10.00 1.50 0.394 0.059) 20.00 (0.587) CRS1206 CRS2010 4,000 13.80 1.50 (0.543 0.059) 16.70 (0.657) CRS2512 asia-pacifc: tel: +886-2 2562-4117 ? email: asiacus@bourns.com emea: tel: +36 88 520 390 ? email: eurocus@bourns.com the americas: tel: +1-951 781-5500 ? email: americus@bourns.com www.bourns.com
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