features n ultra-tight tolerance n wide resistance range n rohs compliant* n four package sizes available applications n current sense n precision circuits n medical equipment** n printers n automation equipment n navigation equipment CRT series - thin film precision chip resistors * rohs directive 2002/95/ec jan. 27, 2003 including annex and rohs recast 2011/65/eu june 8, 2011. **bourns ? products have not been specifcally designed and tested for fda class iii applications and their use in such applications is neither recommended nor supported. 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. electrical characteristics characteristic model model model model CRT0402 CRT0603 CRT0805 CRT1206 power rating @ 70 c 1/16 watt 1/10 watt 1/8 watt 1/4 watt operating temperature range -55 to +155 c derated to zero load at +155 c maximum working voltage 25 v 75 v 150 v 200 v maximum overload voltage 50 v 150 v 300 v 400 v resistance range (e-96 + e-24 values) (see standard values table) temperature coeffcient of resistance (tcr) 2 to 50 ppm/c (see value - tcr table on page 2) environmental characteristics specifcation test (mil std 202) limit ( dr) limit ( dr) (tol. 0.05 %) (tol. > 0.05 %) short time overload 2.5 x max. operating voltage for 5 seconds 0.05 % 0.2 % load life 1000 hours at rated power 0.05 % 0.2 % humidity (steady state) method 103b 0.05 % 0.3 % thermal shock method 107 0.05 % 0.3 % solderability method 208h resistance to soldering heat method 210e 0.05 % 0.2 % how to order CRT 0603 - c v - 1003 e lf model (CRT = thin film precision chip resistor size ? 0402 ? 0603 ? 0805 ? 1206 resistance tolerance f = 1 % b = 0.1 % d = 0.5 % a = 0.05 % c = 0.25 % p = 0.01 % tcr (ppm/c) z = 50 v = 5 y = 25 u = 3 x = 15 t = 2 w = 10 resistance value <100 ohms: r represents decimal point (example: 24r3 = 24.3 ohms) 100 ohms: first three digits are signifcant, fourth digit represents number of zeroes to follow (example: 8252 = 82.5k ohms) packaging g = paper tape (10k pcs.) on 7 plastic reel (CRT0402) e = paper tape (5k pcs.) on 7 plastic reel (CRT0603, CRT0805, CRT1206) termination lf = tin-plated (rohs compliant) *rohs compliant lead free *rohs compliant versions available lead free versions are rohs compliant* derating curve 100 80 60 40 20 0 rated power in percentage (%) -55 0 70 155 (c) ambient temperature 01c
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. CRT series - thin film precision chip resistors value - tcr table chip dimensions dimensional drawings l h i 2 i 2 w i 1 i 1 dimensions: mm (inches) dimension model model model model CRT0402 CRT0603 CRT0805 CRT1206 l 1.00 0.10 1.55 0.10 2.00 0.15 3.05 0.15 (0.040 0.004) (0.061 0.004) (0.079 0.006) (0.120 0.006) w 0.50 0.05 0.80 0.10 1.25 0.15 1.55 0.15 (0.020 0.002) (0.031 0.004) (0.049 0.006) (0.061 0.006) h 0.30 0.05 0.45 0.15 0.55 0.10 0.55 0.10 (0.012 0.002) (0.018 0.006) (0.022 0.004) (0.022 0.004) i 1 0.20 0.10 0.30 0.20 0.30 0.20 0.42 0.20 (0.008 0.004) (0.012 0.008) (0.012 0.008) (0.017 0.008) i 2 0.20 0.10 0.30 0.20 0.40 0.25 0.35 0.25 (0.008 0.004) (0.012 0.008) (0.016 0.010) (0.014 0.010) recommended land pattern ba c dimension model CRT0402 model CRT0603 model CRT0805 model CRT1206 a 0.50 (0.020) 0.80 (0.031) 1.00 (0.039) 2.00 (0.079) b 0.50 (0.020) 1.00 (0.039) 1.00 (0.039) 1.15 (0.045) c 0.60 0.20 (0.024 0.008) 0.90 0.20 (0.035 0.008) 1.35 0.20 (0.053 0.008) 1.70 0.20 (0.067 0.008) model tcr resistance tolerance (code) (ppm/c) (code) 0.01 % (p) 0.05 % (a) 0.1 % (b) 0.25 % (c) 0.5 % (d) 1 % (f) CRT0402 2 (t) 49.9 to 4.99k n/a 3 (u) 5 (v) 49.9 to 4.99k 10 (w) 49.9 to 12k 49.9 to 60k 15 (x) 49.9 to 69.8k 25 (y) 10 to 255k 4.7 to 511k 50 (z) CRT0603 2 (t) 24.9 to 15k n/a 3 (u) 5 (v) 24.9 to 15k 10 (w) 24.9 to 100k 4.7 to 332k 15 (x) 25 (y) 4.7 to 332k 4.7 to 1m 50 (z) CRT0805 2 (t) 24.9 to 30k n/a 3 (u) 5 (v) 24.9 to 30k 10 (w) 24.9 to 200k 4.7 to 511k 4.7 to 511k 15 (x) 4.7 to 1m 4.7 to 1m 25 (y) 1 to 1m *** 50 (z) CRT1206 2 (t) 24.9 to 49.9k n/a 3 (u) 5 (v) 24.9 to 49.9k 10 (w) 24.9 to 499k 4.7 to 1m *** 15 (x) 25 (y) 50 (z) ***select part numbers listed below are not available: CRT0805-dz-1504elf, CRT1206-cy-1r00elf, CRT1206-dz-1r74elf, CRT1206-dz-2004elf
CRT series - thin film precision chip resistors packaging dimensions - tape dimensions: mm (inches) rev. 05/16 dimension model model model model CRT0402 CRT0603 CRT0805 CRT1206 a 1.16 0.05 1.90 0.05 2.37 0.05 3.55 0.05 (0.046 0.002) (0.075 0.002) (0.094 0.002) (0.140 0.002) b 0.70 0.05 1.10 0.05 1.60 0.05 2.00 0.05 (0.028 0.002) (0.043 0.002) (0.063 0.002) (0.079 0.002) c 2.00 0.05 4.00 0.10 4.00 0.10 4.00 0.10 (0.079 0.002) (0.157 0.004) (0.157 0.004) (0.157 0.004) 1.55 0.05 (.061 .002) 1.75 0.1 (.059 .004) b c 2.0 0.05 (.079 .002) a 4.0 0.1 (.157 .004) 8.0 0.2 (.315 .008) 3.5 0.05 (.138 .002) 2.0 (.080) 178.0 2.0 (7.008 .080) 20.5 (.807) 13.5 0.7 (.531 .028) 9.5 1.0 (.374 .039) 60.0 0.5 (2.36 .020) 11.5 1.0 (.453 .039) 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. soldering profle 25 75 125 175 225 275 05 0 100 150 200 250 300 t ime (seconds) t emperature (c) 60 - 120 seconds 60 - 90 seconds 260 c peak 190 c 150 c 220 c ramp down 6 c/second 255 c maximum of 20 seconds between +255 c and +260 c ramp up 3 c/second maximum 10 seconds minimum <1> <1>
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