PRODUCT BULLETIN PRC-SERIES WILLOW TECHNOLOGIES LTD. SHAWLANDS COURT, NEWCHAPEL ROAD LINGFIELD, SURREY, RH7 6BL, ENGLAND Tel. + 44 (0) 1342 835234 Fax. + 44 (0) 1342 834306 E-mail [email protected] Website http://www.willow.co.uk PRECISION SURFACE MOUNT THIN FILM STANDARD INDUSTRY CASE SIZES 0201 0402 0603 0805 1206 1210 2010 POWER RATINGS 1/20W, 1/16W, 1/10W 1/8W, 1/4W & 1/2W TEMPERATURE COEFFICIENTS TO 2PPM/°C TYPE RATED PWR PRC 0201 1/20W PRC 0402 1/16W PRC 0603 1/16W CUSTOM VALUES TO 3 DECIMAL PLACES PACKAGING IS TAPE & REEL 1,000; 5,000; 10,000 pcs. 15V 25V PRC 1210 1/4W PRC 2010 1/2W P 75V PRC 0805 1/10W 100V PRC 1206 1/8W MILLIMETERS MAX CWV RESISTANCE TOLERANCES TO 0.05% INCHES Specifications 150V 200V 200V L W H P 0.024 ±0.002 0.012 ±0.002 0.009 ±0.001 0.005 ±0.002 (0.60±0.05) (0.30±0.05) (0.23±0.03) (0.12±0.05) 0.390 ±0.002 0.020 ±0.002 0.014 ±0.002 0.008 ±0.004 0.063 ±0.004 0.031 ±0.004 0.020 ±0.004 0.008 ±0.004 0.079 ±0.006 0.049 ±0.006 0.020 ±0.006 0.016 ±0.010 (1.00±0.05) (1.60±0.10) (0.50±0.05) (0.08±0.10) (0.35±0.05) (0.50±0.10) (0.20±0.10) (0.20±0.10) (2.00±0.15) (1.25±0.15) (0.50±0.15) (0.40±0.25) 0.126 ±0.006 0.063 ±0.006 0.024 ±0.006 0.020 ±0.010 (3.20±0.15) (1.60±0.15) (0.60±0.15) (0.50±0.25) 0.126 ±0.006 0.098 ±0.006 0.022 ±0.006 0.020 ±0.010 (3.20±0.15) (2.50±0.15) (0.56±0.15) (0.50±0.25) 0.200 ±0.006 0.100 ±0.006 0.022 ±0.006 0.024 ±0.010 (5.00±0.15) (2.50±0.15) (0.56±0.15) (0.60±0.25) L Operating Temperature Range is -55°C to +125°C W * -20°C to +85°C Temperature Coefficients H TC50 = ±50 PPM/°C TC10 = ±10 PPM/°C TC25 = ±25 PPM/°C TC5 = ±5 PPM/°C Termination (Outer) Termination (Barrier) Termination (Inner) TC2 ±2 PPM/°C * Resistance Ranges Refer to Capability Sheet for available ranges Protective Coating Contact factory for custom values Resistive Element Alumina Substrate = Resistance Tolerances 0.05% 0.1% 0.5% 1.0% How to Order Sample Part PRC 0805 TC10 56.2R ±0.05% Resistance Tolerance Resistance Value Temperature Coefficient Case Size Type DEDICATION TO EXCELLENCE Data subject to change without notice Continued on reverse side REV C 9/19/01 TYPICAL RELIABILITY TEST DATA AND SPECIFICATIONS Characteristic MOISTURE LOAD LIFE TEMPERATURE CYCLE HIGH TEMPERATURE RANDOM VIBRATION MECHANICAL SHOCK RESISTANCE TO SOLDERING HEAT SOLDERABILITY SHORT TIME OVERLOAD HUMIDITY LOAD LIFE Result Test Conditions 60°C 95%RH Rated voltage for 1½ hours ON, ½ hour OFF. 1000 hours -55°C~RT~ +155°C~RT 30 min. ON 3 min. OFF 5 cycles 175°C No load 1000 hours 10~50Hz 3 directions each 2 hours Acceleration 50G Axis 11 msec. x 3 Total 18 cycles Solder temperature 275°C for 20 sec. ±1sec. Solder temperature 230°C ±5°C for 3 sec. ±1 sec. 2.5 times to rated voltage for 5 seconds 60°C, 95%RH No load 1000Hour 70°C Rated voltage for 1½ hours ON, ½ hour OFF. 1000 hours Specification Value Max. Min. Avg. 100 Ω 10 KΩ 100 KΩ 100 Ω 10 KΩ 100 KΩ 100 Ω 10 KΩ 100 KΩ 100 Ω 10 KΩ 100 KΩ 100 Ω 10 KΩ 100 KΩ 100 Ω 10 KΩ 100 KΩ 100 Ω 10 KΩ 100 KΩ 100 Ω 10 KΩ 100 KΩ 100 Ω 10 KΩ 100 KΩ 100 Ω 10 KΩ 100 KΩ 0.027% 0.019% 0.023% 0.036% 0.005% 0.011% 0.254% 0.263% 0.380% 0.008% 0.006% 0.006% 0.008% 0.008% 0.017% 0.061% -0.018% -0.020% 0.003% -0.008% -0.024% -0.010% 0.002% -0.006% 0.156% 0.130% 0.194% -0.008% -0.001% 0.001% 0.002% -0.002% 0.003% -0.012% -0.044% -0.045% 0.014% 0.005% 0.014% 0.007% 0.000% 0.002% 0.194% 0.158% 0.250% 0.003% 0.002% 0.003% 0.005% 0.003% 0.007% 0.013% -0.024% -0.033% 100% MEET SPECIFICATION 0.012% 0.000% 0.012% 0.083% 0.005% 0.018% 0.052% 0.017% 0.018% -0.009% -0.018% -0.008% 0.002% 0.001% 0.008% -0.057% -0.009% -0.001% -0.001% -0.001% 0.000% 0.027% 0.003% 0.012% 0.009% 0.007% 0.007% ∆R within ±0.5% ∆R within ±0.25% ∆R within ±0.5% ∆R within ±0.25% without mechanical damage. ∆R within ±0.25% without mechanical damage. ∆R within ±0.1% Minimum 95% of the electrode surface covered. ∆R within ±0.25% ∆R within ±0.25% ∆R within ±0.5% Derating Curve must be derated in accordance with the curve in the graph below. 100 80 60 % Rated Power 40 20 0 -60 -40 -20 0 20 40 60 80 70 -55 100 120 140 125 Ambient Temperature (°C) Data subject to change without notice See other side REV O 1/17/00