ohmite mfg. co. ohmite mfg. co. 1600 golf rd., suite 850, rolling meadows, il 60008 ? tel. 1-866-9-ohmite ? fax 1-847-574-7522 ? www.ohmite.com ? info@ohmite.com 7 f e a t u r e s ? tolerance 1%-5% standard ? eleven wattage ratings ? six package sizes ? two mounting designs to accommodate your soldering process ? five power resistor technologies to optimize your operating performance: 1. carbon and ceramic compo- sition for high inrush current, low inductance 2. metal film for high ohmic value and low t.c. 3. wirewound for inrush current combined with low ohmic values, down to 0.005 ? and close toleance for low t.c., low ohm values, high inrush or tight tolerance 4. power film for high ohmic value and high wattage 5. thick film for high voltage applications ? flexible j-bend terminations surface mount power resistors rc series: carbon/ceramic composition rf series: metal film rw series: wirewound rp series: power film rm series: thick film p e r f o r m a n c e s p e c i f i c a t i o n s power maximum resistance range temp. coefficient dielectric tape size quantity part number* (watts)* voltage 1% tol. 5% tol. 0.1 ? C1 ? 1 ? C10 ? 10 ? + withstanding 13 reels per reel rc0s2caCCCCC 0.25 250 2.2 ? C5.6m 400 400 1000v 16mm 1500 rc0r5dbCCCCC 0.50 350 2.2 ? C20m 400 400 1000v 24mm 1000 rf0s8baCCCCC 0.8 200 1 ? C5m 0.3 ? C10m 100 100 1000v 12mm 2000 rw1s0baCCCCC 1.0 50 0.005 ? C1k 0.005 ? C1k 90 50 20 1000v 12mm 2000 rf1s0caCCCCC 1.0 350 10 ? C1m 1 ? C10m 200 100 1000v 16mm 1500 rc1r0eaCCCCC 1.0 500 3.3-100k(10% tol only) -1300 1000v 32mm 750 rp1s3caCCCCC 1.25 350 1 ? C1m 250 250 1000v 16mm 1500 rp1s5caCCCCC 1.5 75 0.005 ? C1.5k 0.005 ? C1.5k 90 250 250 1000v 16mm 1500 rp1s5cbCCCCC 1.5 350 1 ? C1m 250 250 1000v 16mm 1000 rp1r5cbCCCCC rw2s0cbCCCCC 2.0 100 0.005 ? C5k 0.005 ? C5k 90 50 20 1000v 16mm 1000 rw2r0cbCCCCC rp2s0daCCCCC 2.0 500 1 ? C1m 250 250 1000v 24mm 1000 rp2r0daCCCCC rw2s0daCCCCC 2.0 100 0.005 ? C5k 0.005 ? C5k 90 50 20 1000v 24mm 1000 rw2r0daCCCCC rp2r5dbCCCCC 2.5 500 1 ? C1m 250 250 1000v 24mm 1000 rw3r0dbCCCCC 3.0 200 0.005 ? C13k 0.005 ? C13k 90 50 20 1000v 24mm 1000 rp3r0eaCCCCC 3.0 750 1 ? C1m 250 250 1000v 32mm 750 rw3r5eaCCCCC 3.5 350 0.005 ? C25k 0.005 ? C25k 90 50 20 1000v 32mm 750 rm0r7eaCCCCC 0.75 2500 1k ? C1000m 1k ? C1000m 50 1000v 32mm 750 * at 25c ambient fle xib le j-bend standard pedestal mount recessed-base mount dimensions (in. / mm ) series wattage ohms length height width voltage rc0s2ca rc0s2ca 0.25 0.25 2.2C5.6m 2.2C5.6m 0.394 / 0.394 / 10.01 10.01 0.159 / 0.159 / 4.04 4.04 0.159 / 0.159 / 4.04 4.04 250 250 rc0r5db 0.50 2.2C20m 0.625 / 15.88 0.226 / 5.74 0.273 / 6.93 350 rm0r7ea rm0r7ea 0.75 0.75 1k-900m 1k-900m 0.811 / 0.811 / 20.60 20.60 0.273 / 0.273 / 6.93 6.93 0.273 / 0.273 / 6.93 6.93 2500 2500 rf0s8ba 0.80 0.30C10m 0.246 / 6.25 6.25 6.25 0.136 / 3.45 0.136 / 3.45 200 rw1s0ba rw1s0ba 1.00 1.00 0.005C1k 0.005C1k 0.246 / 0.246 / 6.25 6.25 6.25 6.25 0.136 / 0.136 / 3.45 3.45 0.136 / 0.136 / 3.45 3.45 50 50 rf1s0ca 1.00 1.0C10m 0.394 / 10.01 0.159 / 4.04 0.159 / 4.04 350 rc1r0ea rc1r0ea 1.00 1.00 3.3C100k 3.3C100k 0.811 / 0.811 / 20.60 20.60 0.273 / 0.273 / 6.93 6.93 0.273 / 0.273 / 6.93 6.93 500 500 rp1s3ca 1.25 1.0C1m 0.394 / 10.01 0.159 / 4.04 0.159 / 4.04 350 rw1s5ca rw1s5ca 1.50 1.50 0.005C1.5k 0.005C1.5k 0.394 / 0.394 / 10.01 10.01 0.159 / 0.159 / 4.04 4.04 0.159 / 0.159 / 4.04 4.04 75 75 rp1s5cb 1.50 1.0C1m 0.407 / 10.34 0.222 / 5.64 0.226 / 5.74 350 rp1r5cb rp1r5cb 1.50 1.50 1.0C1m 1.0C1m 0.407 / 0.407 / 10.34 10.34 0.222 / 0.222 / 5.64 5.64 0.226 / 0.226 / 5.74 5.74 350 350 rw2s0cb 2.00 0.005C5k 0.407 / 10.34 0.222 / 5.64 0.226 / 5.74 100 rw2r0cb rw2r0cb 2.00 2.00 0.005C5k 0.005C5k 0.407 / 0.407 / 10.34 10.34 0.222 / 0.222 / 5.64 5.64 0.226 / 0.226 / 5.74 5.74 100 100 rp2s0da 2.00 1.0C1m 0.455 / 11.56 0.226 / 5.74 0.24 / 6.10 500 rp2r0da rp2r0da 2.00 2.00 1.0C1m 1.0C1m 0.455 / 0.455 / 11.56 11.56 0.226 / 0.226 / 5.74 5.74 0.24 / 0.24 / 6.10 6.10 500 500 rw2s0da 2.00 0.005C5k 0.455 / 11.56 0.226 / 5.74 0.24 / 6.10 100 rw2r0da rw2r0da 2.00 2.00 0.005C5k 0.005C5k 0.455 / 0.455 / 11.56 11.56 0.226 / 0.226 / 5.74 5.74 0.24 / 0.24 / 6.10 6.10 100 100 rp2r5db 2.50 1.0C1m 0.655 / 16.64 0.226 / 5.74 0.273 / 6.93 500 rw3r0db rw3r0db 3.00 3.00 0.005C13k 0.005C13k 0.625 / 0.625 / 15.88 15.88 0.226 / 0.226 / 5.74 5.74 0.273 / 0.273 / 6.93 6.93 200 200 rp3r0ea 3.00 1.0C1m 0.811 / 20.60 0.273 / 6.93 0.273 / 6.93 750 rw3r5ea rw3r5ea 3.50 3.50 0.005C25k 0.005C25k 0.811 / 0.811 / 20.60 20.60 0.273 / 0.273 / 6.93 6.93 0.273 / 0.273 / 6.93 6.93 350 350 military grade versions available: consult factory 0.02 500 400 300 200 100 ohms 0.04 0.06 0.08 0.10 t ypical tcr for less than 0.1 ? smd resistors (ppm/ c) (continued)
8 ohmite mfg. co. 1600 golf rd., suite 850, rolling meadows, il 60008 ? tel. 1-866-9-ohmite ? fax 1-847-574-7522 ? www.ohmite.com ? info@ohmite.com ohmite mfg. co. package outline dimensions pc board land pattern packages a b c d g i j l m n o p ba (in.) .246.020 .136.005 .133 ref .110.010 .047 nom. .054.012 .136.005 .150 .346 .098 .126 .050 (mm) 6.248.508 3.454.127 3.378 ref 3.378 ref 3.378 ref 2.794.254 2.794.254 2.794.254 1.194 nom. 1.372.305 1.372.305 1.372.305 3.454.127 3.81 8.79 2.49 2.49 2.49 3.20 1.27 1.27 1.27 ca (in.) .394.020 .159.005 .156 ref .220.010 .062 nom. .078.012 .159.005 .256 .524 .134 .126 .060 (mm) 10.008.508 4.039.127 3.962 ref 3.962 ref 3.962 ref 5.588.254 5.588.254 5.588.254 1.575 nom. 1.981.305 1.981.305 1.981.305 4.038.127 6.50 13.31 3.40 3.40 3.40 3.20 1.52 cb (in.) .407.020 .226.005 .222 ref .260.010 .062 nom. .084.012 .222.005 .276 .537 .131 .126 .093 (mm) 10.338.508 5.74.127 5.639 ref 5.639 ref 5.639 ref 6.604.254 6.604.254 6.604.254 1.575 nom. 2.134.305 2.134.305 2.134.305 5.639.127 7.01 13.64 3.33 3.33 3.33 3.20 2.36 2.36 2.36 da (in.) .455.020 .240.005 .236 ref .260.010 .062 nom. .143.012 .226.005 .317 .585 .134 .155 .093 (mm) 11.557.508 6.096.127 5.994 ref 5.994 ref 5.994 ref 6.604.254 6.604.254 6.604.254 1.575 nom. 3.632.305 3.632.305 3.632.305 5.740.127 8.05 14.86 3.40 3.40 3.40 3.94 2.36 db (in.) .625.020 .273.005 .268 ref .417.010 .062 nom. .143.012 .226.005 .474 .742 .134 .155 .093 (mm) 15.875.508 6.934.127 6.807 ref 6.807 ref 6.807 ref 10.592.254 10.592.254 10.592.254 1.575 nom. 3.632.305 3.632.305 3.632.305 5.740.127 12.040 18.85 3.40 3.40 3.40 3.94 2.36 ea (in.) .811.020 .273.005 .268 ref .572.010 .093 nom. .143.012 .273.005 .611 1.000 .195 .155 .093 (mm) 20.599.508 6.934.127 6.807 ref 6.807 ref 6.807 ref 14.529.254 14.529.254 14.529.254 2.362 nom. 3.632.305 3.632.305 3.632.305 6.934.127 15.52 25.4 4.95 4.95 4.95 3.94 2.36 j i c b k =0. 006 ref. d a e g h note 1 f =0. 005 .0 01 note 2 l o m p n recommended f or glue dot application note 1: packages ba and ca are only available with a pedestal base. packages cb and da are available in either pedestal or recessed base. packages db and ea are only available in a recessed base. note 2: test point is .020 above pcb. note 3: tape and reel dimensions per eia 481 a except ea size which is 12 mm component pitch versus 16mm pitch. * for units where four (4) terminal kelvin connections are required. temp. cycle load life immersion (-55c to 125c, (1000 hours (260c for momentary construction 1000 cycles) at 25c) 10 sec.) overload rc carbon/ceramic composition 4.0%+.05 ? 10.0%+.05 ? 3.0%+.05 ? 6.3x rated power for 5 sec. rf metal film 0.5%+.05 ? 0.5%+.05 ? 0.1%+.05 ? 2x rated power for 0.1 sec. rw wirewound 0.5%+.05 ? 3.0%+.05 ? 0.1%+.05 ? 5x rated power for 5 sec. rp power film 3.0%+.05 ? 5.0%+.05 ? 0.5%+.05 ? 2x rated power for 0.1 sec. all models: leaching (260c solder immersion, 60 sec.)....................... no visible leaching thermal shock (units at -55c, then rated power applied).. no mechanical damage flammability ......................................................................... ul material rating, ul94v0 size a nom. b c max. resistor count 12mm 13 0.488 +0.078, C0.00 / 12.4 +2.0, C0.0 0.724 / 18.4 18.4 18.4 2000 pcs. ba 16mm 13 0.646 +0.078, C0.00 / 16.4 +2.0, C0.0 16.4 +2.0, C0.0 16.4 +2.0, C0.0 0.882 / 22.4 22.4 22.4 1500 pcs. ca or 1000 pcs. cb 24mm 13 0.961 +0.078, C0.00 / 24.4 +2.0, C0.0 24.4 +2.0, C0.0 24.4 +2.0, C0.0 1.196 / 30.4 30.4 30.4 1000 pcs. da or db 32mm 13 1.276 +0.078, C0.00 / 32.4 +2.0, C0.0 32.4 +2.0, C0.0 32.4 +2.0, C0.0 1.52 / 38.4 38.4 38.4 750 pcs. ea r e e l d i m e n s i o n s all reels are compatible with major pick-and-place machines and made in accordance with eia 481 a (except ea size, which is 12mm component pitch versus 16mm pitch). a 0.795* 20.2 min. 0.512 .008 13.0 .200 c b 1.973 50 min. 0.059* 1. 5 min. full radius t ape star t slot measured at hub 0.098 / 2.5 min. width 0.394 / 10 min. depth the temperature rise graph data was obtained by a selection of test substrate size and trace width for each resistor size to limit operating temperatures to safe values. the operating temperature safe rises are either 100c substrate temperature rise or 180c package hot spot temperature rise at 25c ambient. fr4: 0.062 in. thick; 0.062 in. traces alumina: 0.040 in. thick; 0.010 in. traces engineering data available upon request. 100% 200% 300% 200 180 160 140 120 100 80 60 40 20 t emperature rise rated po wer alumina solder joint fr4 package limit hot spot temperature rise e x t e n s i v e e n v i r o n m e n t a l t e s t s e n s u r e o h m i t e p e r f o r m a n c e
ohmite mfg. co. ohmite mfg. co. 1600 golf rd., suite 850, rolling meadows, il 60008 ? tel. 1-866-9-ohmite ? fax 1-847-574-7522 ? www.ohmite.com ? info@ohmite.com 9 o r d e r i n g i n f o r m a t i o n s t o c k v a l u e s a v a i l a b l e rw1s0ba CCC rw1s5ca CCC rw2s0cb CCC rw2r0cb CCC rw2s0da CCC rw2r0da CCC rw3r0db CCC rw3r5ea CCC ba ca cb cb da da db ea s s s r s r r r 1.0 1.5 2.0 2.0 2.0 2.0 3.0 3.5 wirewound 1.00 CCC 1r00 C f/j j j j j 2.00 CCC 2r00 C 2.20 CCC 2r20 C 3.01 CCC 3r01 C 4.99 CCC 4r99 C 5.60 CCC 5r60 C j 6.80 CCC 6r80 C 7.50 CCC 7r50 C j 10.00 CCC 10r0 C j j j 11.00 CCC 11r0 C 15.00 CCC 15r0 C j j 20.00 CCC 20r0 C j 24.90 CCC 24r9 C 47.00 CCC 47r0 C j j 49.90 CCC 49r9 C 50.00 CCC 50r0 C j 51.00 CCC 51r0 C j 51.10 CCC 51r1 C 68.00 CCC 68r0 C 82.00 CCC 82r0 C j 100.00 CCC 100r C j 120.00 CCC 120r C j 158.00 CCC 158r C 180.00 CCC 180r C j 182.00 CCC 182r C 200.00 CCC 200r C 300.00 CCC 300r C j 392.00 CCC 392r C 470.00 CCC 470r C j 499.00 CCC 499r C 511.00 CCC 511r C 1k CCC 1k00 C j 1.82k CCC 1k82 C 2k CCC 2k00 C 4.7k CCC 4k70 C j 4.99k CCC 4k99 C 5k CCC 5k00 C j 10k CCC 10k0 C 49.9k CCC 49k9 C 100k CCC 100k C 360k CCC 360k C 499k CCC 499k C 1m CCC 1m00 C 5m CCC 5m00 C 0.005 CCC r005 C j j f/j 0.010 CCC r010 C f/j j j f j j j 0.015 CCC r015 C f/j j 0.020 CCC r020 C j j f j j 0.025 CCC r025 C j 0.027 CCC r027 C j 0.030 CCC r030 C f j j j 0.033 CCC r033 C j 0.036 CCC r036 C j 0.050 CCC r050 C f/j j j f j j 0.056 CCC r056 C j 0.075 CCC r075 C j 0.080 CCC r080 C j j 0.100 CCC r100 C f/j j j f j j j 0.150 CCC r150 C j j j 0.200 CCC r200 C j j j 0.220 CCC r220 C j 0.240 CCC r240 C j j 0.300 CCC r300 C j j 0.330 CCC r330 C j 0.400 CCC r040 C j 0.400 CCC r400 C j 0.470 CCC r470 C j j j 0.500 CCC r500 C j j j j 0.750 CCC r750 C j rw1s0ba CCC rw1s5ca CCC rw2s0cb CCC rw2r0cb CCC rw2s0da CCC rw2r0da CCC rw3r0db CCC rw3r5ea CCC ohmic value part no. prefix suffix tolerance suffix: f = 1% j = 5% package style base: standard or recessed wattage ba ca cb cb da da db ea s s s r s r r r 1.0 1.5 2.0 2.0 2.0 2.0 3.0 3.5 wirewound ohmic value part no. prefix suffix tolerance suffix: f = 1% j = 5% package style base: standard or recessed wattage (for example, the part number shown is a wirewound resistor, 3.5 watt, recessed base, 32mm tape size, first case size [a], 1000 ohms 1% tolerance.) general notes other ratings under development. molding material rated at 205c continuous. ohmite reserves the right to make changes in product specifications and availability without notice or liability. the information in this brochure is based on data obtained by our own research and is considered accurate. however, no warranty is expressed or implied regarding the accuracy of those data, the results to be obtained from the use thereof, or that any such use will infringe on any patent. this information is furnished upon the condition that the person receiving it shall make their own tests to determine the suitability thereof for their particular purpose. tolerance suffix: tolerance suffix: tolerance suffix: tolerance suffix: component type r = resistor component modifier c = carbon/ceramic composition f = film p = po wer film w = wire m = thick film w attage examples: 1s3 = 1.25w 2s0 or 2r0 = 2.0w 3r5 = 3.5w t ype of base s = standard r = recessed p ackage b = 12m m c = 16mm d = 24mm e = 32m m p ackage modifier a, b sequential resistance v alue r = decimal k = 1,000 m = 1,000,000 t olerance b = 0.1% d = 0.5% f = 1% g = 2% h = 3% j = 5% k = 10% examples: r249 = 0.249 ohms 24r9 = 24.9 ohms 2k49 = 2,490 ohms 249k = 249,000 ohms 2m49 = 2,490,000 ohm s t = t ape and reel (optional) ? ? ? ? ? ? ? ? ? ? ? ? ?
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