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| FEATURES * Extremely low resistance and high precision tolerance * Low T.C.R. achieved (50ppm/ C) * Flameproof UL94-V-0 * Marking: Black body color with white marking SPECIFICATIONS TCR max.: 50 ppm/C Rated Ambient Temp: +70C Oper. Temp. Range: -55C - +125C RW1/RW2 Series Surface Mount Four Terminal Current Sense Voltage Electrode Molded Resistive Resin Element L W t c f b d g h c a Current Electrode DERATING 100 80 Percent Rated Power 60 40 20 0 -55 -40 -20 0 20 40 70 60 80 Ambient Temperature, C 100 125 140 e T Y P I C A L S C H E M AT I C Input Detecting Circuit Output S U R F A C E T E M P. R I S E 125 RW2S0DK Temperature Rise (C) 100 75 50 25 0 0 20 40 60 80 Percent Rated Power 100 RW1S0CK Power Resistance Dielectric TCR Rating Range Resistance Withstanding (ppm/C) Qty./ Type (watts) E-12 (m) Tolerance Voltage Max. Reel RW1S0CK 1 5m - 50m 1% 500V 50 1000 RW2S0DK 2 5m - 50m 1% 500V 50 1000 DIMENSIONS L W t a b c d e f g h j k m n o p q r s inches (mm) RW1S0CK RW2S0DK 0.504.02 (12.80.5) 0.323.012 (8.20.3) 0.122.008 (3.10.2) 0.197.012 (5.00.3) 0.039.008) (1.00.2) 0.079.02 (2.00.5) 0.079.02 (2.00.5) 0.087.012 (2.20.3) 0.087.012 (2.20.3) 0.236.004 (6.00.1) 0.118.004 (3.00.1) 0.47 (12.0) 0.09 (2.3) 0.05 (1.15) 0.21 (5.3) 0.31 0.24 0.09 0.13 0.06 (8.0) (6.0) (2.2) (3.2) (1.6) R W Voltage Terminal (KELVIN terminal) Current Terminal 0.425.02 (10.80.5) 0.244.012 (6.20.3) 0.083.008 (2.10.2) 0.118.012 (3.00.3) 0.031.008 (0.80.2) 0.055.02 (1.40.5) 0.047.02 (1.20.5) 0.051.012 (1.30.3) 0.051.012 (1.30.3) 0.197.004 (5.00.1) 0.098.004 (2.50.1) 0.39 (10.0) 0.08 (2.0) 0.04 (1.0) 0.12 (3.0) 0.24 0.20 0.06 0.08 0.04 (6.0) (5.0) (1.6) (2.0) (1.0) LAND PATTERN Land pattern dimensions are for reference only k j m no r s p q O R D E R I N G I N F O R M AT I O N RoHS Compliant PERFORMANCE CHARACTERISTICS Parameter Resistance T.C.R. Overload Resistance to Solder Heat Rapid Change of Temperature Moisture Resistance Endurance at 70C Low Temperature Operation High Temperature Exposure Requirement R Limit Typical Within -- regulated tolerance Within -- specified T.C.R. 1.0% 1.0% 1.0% 1.0% 1.0% 2.0% 1.0% 0.5% 0.5% 0.5% 0.5% 0.5% 0.25% 0.25% Test Method 25C +25C/-55C and +25C/+125C Rated power x 5 for 5 seconds 260C 5C, 10 seconds 1 second -55C (30 minutes), +125C (30 minutes), 500 cycles 40C 2C, 90 - 95% RH, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle 70C 2C, 1000 hours, 1.5 hr ON, 0.5 hr OFF cycle -55C, 1 hour +125C, 100 hours Type & Power Rating RW1S0CK = 1 watt RW2S0DK = 2 watt Ohms R005 = 0.005 R050 = 0.05 Tolerance F = 1% D = 0.5% Packaging T = tape and reel (optional) Current Sense Power Rating Resistor (watts) The part itself will be marked as follows: Ohms 10m ohms = 0.01 Tolerance F = 1% D = 0.5% S TA N D A R D PA RT N U M B E R S F O R R W S E R I E S Wattage: Tolerance: Ohms 0.00500 0.01000 0.02500 0.05000 1% 1 watt 0.5% RW1S0CK----DET RW1S0CKR005DET RW1S0CKR010DET RW1S0CKR025DET RW1S0CKR050DET 2 watt 1% RW2S0DK----FET RW2S0DKR005FET RW2S0DKR010FET RW2S0DKR025FET RW2S0DKR050FET Series: RW1S0CK----FET RW1S0CKR005FET RW1S0CKR010FET RW1S0CKR025FET RW1S0CKR050FET Check product availability at www.ohmite.com Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 * 1-866-9-OHMITE * Int'l 1-847-258-0300 * Fax 1-847-574-7522 * www.ohmite.com * info@ohmite.com 13 |
Price & Availability of RW1S0CKR025DET
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