Cement Power Resistors (RoHS Compliant) PW-RC Series FEATURES * Temperature Range: -55C ~ +155C * 5% tolerance * Exceptionally small, sturdy, and reliable * Sealed with a special cement * Excellent moisture resistance * High temperature stability * Ceramic flame retardant package * Recommended wash method is alcohol HEAT RISE CHART DERATING CURVE 25W 10W 15- 200 Percent Rated Load (%) Heat Rise (C) 250 5W 150 100 0 20 40 60 80 100 Rated Load (%) 70 100 155 275 80 60 40 20 0 -50 0 50 100 150 200 250 300 Ambient Temperature (C) PART NUMBERING SYSTEM C R Series 5 - 1 Watts 0 K - Value R C Suffix (RoHS Compliant) POWER RATING, RANGE OF VALUES, AND DIMENSIONS d H I I L Range of Values Wire Wound Metal Oxide Watts (W) 5 10 15 25 0.1 ~ 47 0.1 ~ 910 1 ~ 1K 2 ~ 1.0K 48 ~ 25K 911 ~ 25K - - N/A - - - N/A - - W L 1 W 1 Dimensions (mm) H 1 I 5 d 0.05 22 49 49 64 10 10 12.5 14.5 9 9 11.5 13.5 35 35 35 35 0.75 0.75 0.75 0.75 STANDARD STOCKED VALUES () 0.1 0.15 0.2 0.22 0.27 0.3 0.33 0.39 0.43 0.47 0.5 0.51 0.56 0.62 0.68 0.75 0.82 0.91 1.0 1.1 1.2 1.3 1.5 1.6 1.8 2.0 2.2 2.4 2.7 3.0 3.3 3.6 3.9 4.0 4.3 4.7 5.0 5.1 5.6 6.2 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 25 27 30 33 36 39 43 47 50 51 56 62 68 75 82 91 100 110 120 130 150 160 180 200 220 240 250 270 300 330 360 390 430 470 500 510 560 620 680 750 820 910 1.0K 1.1K 1.2K 1.3K 1.5K 1.6K 1.8K 2.0K 2.2K 2.4K 2.7K 3.0K 3.3K 3.9K 4.7K 5.0K 10K 20K 25K *Other values available by special request XICON PASSIVE COMPONENTS * (800) 628-0544 XC-600041 Date Revised: 9/28/05 Specifications are subject to change without notice. No liability or warranty implied by this information. Environmental compliance based on producer documentation. Cement Power Resistors (RoHS Compliant) PW-RC Series CONSTRUCTION No. 1 2 3 4 5 6 Subpart Name Body End Cap Lead Material Rod Type Ceramics Tin plated iron surface Annealed copper wire (Electrosolder plated surface) Pb Free Ceramic Case Ceramic Resistance wire Ni-Cr Alloy Filling Materials Quartz mixed sand Material Generic Name Al2O3, SiO2 Tin : 5%, Iron : 95% Tin-Coated Copper wire Al2O3, SiO2 Ni-Cr Alloy SiO2 3 4 5 2 6 1 Cement: Wire wound CHARACTERISTICS Characteristics Limits Test Methods ( JIS C 5201-1 ) 5.2 Natural resistance change per temp. degree centigrade. R2-R1 x106 (PPM / C) R1(t2-t1) R1: Resistance value at room temperature (t1) R2: Resistance value at room temp. plus 100 C (t2) Temperature coefficient 350 PPM / C Max. <20 400 PPM / C Dielectric withstanding voltage No evidence of flashover, mechanical damage, arcing or insulation break down 5.7 Resistors shall be clamped in the trough of a 90 metallic V-block and shall be tested at AC potential respectively for 60 +10/ -0 secs. Resistance change rate is (2% + 0.05) Max. with no evidence of mechanical damage 7.4 Resistance change after continuous 5 cycles for duty shown below: Step Temperature 1 -55 C 3 C 2 Room temp. 3 +155 C 2 C 4 Room temp. Resistance change rate is (5% + 0.05) Max. with no evidence of mechanical damage 5.5 Permanent resistance change after the application of a potential of 2.5 times RCWV for 5 seconds Temperature cycling Short time overload Load life in humidity Load life Terminal strength Resistance to soldering heat Solderability Resistance value Wire-wound R/R 5% Resistance value Wire-wound R/R 5% Time 30 mins 10 ~ 15 mins 30 mins 10 ~ 15 mins 7.9 Resistance change after 1,000 hours operating at RCWV with duty cycle of (1.5 hours "on", 0.5 hour "off") in a humidity test chamber controlled at 40 C 2 C and 90 to 95 % relative humidity 7.10 Permanent resistance change after 1,000 hours operating at RCWV with duty cycle of (1.5 hours "on", 0.5 hour "off") at 70 C 2 C No evidence of mechanical damage 6.1 Direct load : Resistance to a 2.5 kgs direct load for 10 secs. in the direction of the longitudinal axis of the terminal leads Twist test : Terminal leads shall be bent through 90 at a point of about 6mm from the body of the resistor and shall be rotated through 360 about the original axis of the bent terminal in alternating direction for a total of 3 rotations Resistance change rate is (1% + 0.05o) Max. with no evidence of mechanical damage 6.4 Permanent resistance change when leads immersed to 3.2 to 4.8 mm from the body in 350 C 10 C solder for 3 0.5 secs. 95 % coverage Min. 6.5 The area covered with a new , smooth clean , shiny and continuous surface free from concentrated pinholes. Test temp. of solder : 245 C 3 C Dwell time in solder : 2 ~ 3 seconds XICON PASSIVE COMPONENTS * (800) 628-0544 XC-600041 Date Revised: 9/28/05 Specifications are subject to change without notice. No liability or warranty implied by this information. Environmental compliance based on producer documentation. Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Xicon: 280-CR10-0.3-RC 280-CR5-1.2-RC 280-CR15-10-RC 280-CR10-10-RC 280-CR25-10-RC 280-CR5-150-RC 280CR5-2.0-RC 280-CR15-910-RC 280-CR10-910-RC 280-CR5-0.82-RC 280-CR5-1.6K-RC 280-CR25-39-RC 280CR15-39-RC 280-CR10-39-RC 280-CR5-510-RC 280-CR5-9.1-RC 280-CR5-33-RC 280-CR10-350-RC 280-CR15350-RC 280-CR5-200-RC 280-CR5-1.1-RC 280-CR5-100-RC 280-CR25-500-RC 280-CR15-27-RC 280-CR10-27RC 280-CR25-27-RC 280-CR15-3.0-RC 280-CR10-3.0-RC 280-CR10-500-RC 280-CR15-500-RC 280-CR25-350RC 280-CR10-20K-RC 280-CR10-0.62-RC 280-CR5-0.43-RC 280-CR10-1.8K-RC 280-CR25-11-RC 280-CR10-11RC 280-CR15-11-RC 280-CR5-1.3-RC 280-CR15-5.6-RC 280-CR10-5.6-RC 280-CR5-30-RC 280-CR10-0.2-RC 280-CR25-620-RC 280-CR25-62-RC 280-CR25-560-RC 280-CR15-62-RC 280-CR10-62-RC 280-CR15-47-RC 280CR10-47-RC 280-CR25-47-RC 280-CR5-6.8-RC 280-CR25-3.0-RC 280-CR5-2.7-RC 280-CR10-3.6-RC 280-CR153.6-RC 280-CR5-0.47-RC 280-CR25-360-RC 280-CR10-0.43-RC 280-CR15-510-RC 280-CR10-510-RC 280-CR551-RC 280-CR25-7.5-RC 280-CR15-430-RC 280-CR5-0.33-RC 280-CR10-430-RC 280-CR10-3.9K-RC 280-CR50.56-RC 280-CR5-430-RC 280-CR5-91-RC 280-CR25-130-RC 280-CR10-1.5-RC 280-CR10-750-RC 280-CR154.0-RC 280-CR15-1.5-RC 280-CR15-750-RC 280-CR10-0.15-RC 280-CR10-4.0-RC 280-CR5-3.9K-RC 280-CR510K-RC 280-CR15-130-RC 280-CR10-130-RC 280-CR5-1.8-RC 280-CR25-4.0-RC 280-CR25-750-RC 280-CR50.22-RC 280-CR5-20K-RC 280-CR15-100-RC 280-CR10-100-RC 280-CR5-56-RC 280-CR10-33-RC 280-CR15-33RC 280-CR25-33-RC 280-CR10-0.27-RC 280-CR10-1.6K-RC 280-CR5-8.2-RC 280-CR10-0.91-RC 280-CR25-100RC 280-CR5-0.5-RC 280-CR25-910-RC