Surface Mount Standard Recessed-base pedestal mount mount Power RC Series: carbon composition (1/ & 1/ watt) 4 2 RC Series: ceramic composition (above 1/2 watt) Flexible J-bend RF Series: metal film RW Series: wirewound RP Series: power film RM Series: high voltage thick film FeatureS • Tolerance 1%, 5%, 10%, depending on construction • Twelve wattage ratings • Seven package sizes • Two mounting designs to accommodate your soldering process • Five power resistor technologies to optimize your operating perfor- mance: 1. Carbon and Ceramic composition for surge and low inductance 2. Metal film for high ohmic value and low T.C. 3. Wire element for inrush current combined with low ohmic values. Resistance values as low as 0.005Ω 4. Power film for high ohmic value and high wattage 5. High Voltage thick film for high voltage applications • Flexible J-bend terminations • Working Temperature Range: -55°C to +150°C SerIeS SPeCIFICatIONS Power Maximum Resistance range Temp. Coefficient Dielectric Tape Size Quantity Part Number (watts)* voltage 1% tol. 5% tol. 10% tol. 0.1Ω–1Ω 1 Ω–10Ω 10Ω+ Withstanding 13” reels per reel RC0S2CA––––– 0.25 250 — — 2.2Ω–5.6M — ±400 ±400 1000V 16mm 1500 RC0R5DB––––– 0.50 350 — — 2.2Ω–20M — ±400 ±400 1000V 24mm 1000 RW0S6BB––––– 0.6 50 0.010Ω–1K 0.005Ω–1K ±90 ±50 ±20 1000V 12mm 2500 RF0S8BA––––– 0.8 200 1Ω–5M — — ±100 ±100 1000V 12mm 2000 RW1S0BA––––– 1.0 50 0.005Ω–1K 0.005Ω–1K ±90 ±50 ±20 1000V 12mm 2000 RF1S0CA––––– 1.0 350 10Ω–1M 1Ω–10M — ±200 ±100 1000V 16mm 1500 RC1R0EA––––– 1.0 500 3.3-100K (10% tol only) -1300 1000V 32mm 750 RP1S3CA––––– 1.25 350 — 1Ω–1M — ±250 ±250 1000V 16mm 1500 RW1S5CA––––– 1.5 75 0.005Ω–1.5K 0.005Ω–1.5K ±90 ±250 ±250 1000V 16mm 1500 RP1S5CB––––– 1.5 350 — 1Ω–1M — ±250 ±250 1000V 16mm 1000 RP1R5CB––––– RW2S0CB––––– 2.0 100 0.005Ω–5K 0.005Ω–5K ±90 ±50 ±20 1000V 16mm 1000 RW2R0CB––––– RP2S0DA––––– 2.0 500 — 1Ω–1M — ±250 ±250 1000V 24mm 1000 RP2R0DA––––– RW2S0DA––––– 2.0 100 0.005Ω–5K 0.005Ω–5K ±90 ±50 ±20 1000V 24mm 1000 RW2R0DA––––– RP2R5DB––––– 2.5 500 — 1Ω–1M — ±250 ±250 1000V 24mm 1000 RW3R0DB––––– 3.0 200 0.005Ω–13K 0.005Ω–13K ±90 ±50 ±20 1000V 24mm 1000 RP3R0EA––––– 3.0 750 — 1Ω–1M — ±250 ±250 1000V 32mm 750 RW3R5EA––––– 3.5 350 0.005Ω–25K 0.005Ω–25K ±90 ±50 ±20 1000V 32mm 750 RM0R7EA––––– 0.75 2500 1KΩ–1000M 1KΩ–1000M — — ±50 1000V 32mm 750 *25°C ambient. E24 values standard; contact Ohmite for custom values. (continued) 32 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com

Surface Mount Power PerFOrMaNCe data Temp. cycle Load Life Immersion Derating (-55°C to 125°C, (1000 hours (260°C for Momentary Construction 1000 cycles) at 25°C) 10 sec.) Overload 100 RRCF CMaertbaol nF/iClme r amic Comp. ±±40..05%%++..0055ΩΩ ±±100..50%%++..0055ΩΩ ±±30..01%%++..0055ΩΩ 62.x3 rxa rtaetde dp opwoewre fro fro 0r .51 sseecc.. Power80 d RW Wirewound ±0.5%+.05Ω ±3.0%+.05Ω ±0.1%+.05Ω 5x rated power for 5 sec. ate60 RP Power Film ±3.0%+.05Ω ±5.0%+.05Ω ±0.5%+.05Ω 2x rated power for 0.1 sec. nt R40 RN Wirewound, Non-inductive ±0.5%+.05Ω ±3.0%+.05Ω ±0.1%+.05Ω 5x rated power for 5 sec. ce er20 ALL models: Leaching (260°C Solder immersion, 60 sec.)....................... No visible leaching P Thermal Shock (Units at -55°C, then rated power applied).. No mechanical damage 0 Flammability ......................................................................... UL Material rating, UL94V0 0 25 50 75 100 125 150 Ambient Temperature, ϒC TCR Recommended Solder Profile 500 300 Soldering Preheating: 145°C ±15°, max. 120 sec. 430000 lreesTssyi spthtiocaarnsl 0T(P.C1PRΩM f /oS°rCM)D erature °C221055000 Pre12h0e saecti.ng 10 s e6c0. sec. Cooling SM oa lx(dR.e TCrei nomgnp:l y.m:: 22in56. 002°°2CC0 °±±C55°,° ,,m 31a 0sx es. ce6.c0). sec. p m100 e 200 T 50 0 100 0 50 100 150 200 250 Time (sec.) 0.02 0.04 0.06 0.08 0.10 Ohms 200 Package limit hot spot temperature rise The temperature rise graph data was obtained by a 180 selection of test substrate Alumina size and trace width for 160 each resistor size to limit FR4 operating temperatures to Cϒ140 safe values. se, 120 The operating temperature ure ri100 ssoaur fb1es8 tr0rias°eCtes p taearmcek peaeigtrheae tuhr ro1et0 sr0ips°oeCt perat 80 taemmbpieenrat.ture rise at 25°C m e 60 FR4: 0.062 in. thick; 0.062 T in. traces 40 Solder joint Alumina: 0.040 in. thick; 0.010 in. traces 20 Molding material rated at 205°C continuous. 100% 200% 300% Percent Rated power rC SerIeS: bake PrOCedure RC SERIES ONLY A. Heat Treatment B. Frequency of C. Cautions 110°C ±10°C heat treatment Solderability: may be affected due to oxidization of lead wire 15 hours 1 time only Resistance value: some units may not completely recover to origi- nal value. Soldering heat: some treated product may have substantial resis- tance change during soldering operation. It is recommended that parts be tested to evaluate soldering heat effects. 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com 33

Surface Mount Power dIMeNSIONS (in./mm) A B M L N P J E Note 2 K=0.006 Ref. O Note 1 H I Recommended G D F=0.005 ±.001 C for glue dot application Package Outline Dimensions PC Board Land Pattern Packages A B C D G I J L M N O P BA (in.) 0.246±.020 0.136±.005 0.133 REF 0.110±.010 0.047 ±0.020 0.054±.012 0.136±.005 0.150 0.346 0.098 0.126 0.050 (mm) 6.248±.508 3.454±.127 3.378 REF 2.794±.254 1.194 ±0.508 1.372±.305 3.454±.127 3.81 8.79 2.49 3.20 1.27 CA (in.) 0.394±.020 0.159±.005 0.156 REF 0.220±.010 0.062 Nom. 0.064±.012 0.159±.005 0.256 0.524 0.134 0.126 0.060 (mm) 10.008±.508 4.039±.127 3.962 REF 5.588±.254 1.575 Nom. 1.626±.305 4.038±.127 6.50 13.31 3.40 3.20 1.52 CB (in.) 0.407±.020 0.226±.005 0.222 REF 0.260±.010 0.062 Nom. 0.084±.012 0.222±.005 0.276 0.537 0.131 0.126 0.093 (mm) 10.338±.508 5.74±.127 5.639 REF 6.604±.254 1.575 Nom. 2.134±.305 5.639±.127 7.01 13.64 3.33 3.20 2.36 DA (in.) 0.455±.020 0.240±.005 0.236 REF 0.260±.010 0.062 Nom. 0.115±.012 0.226±.005 0.317 0.585 0.134 0.155 0.093 (mm) 11.557±.508 6.096±.127 5.994 REF 6.604±.254 1.575 Nom. 2.921±.305 5.740±.127 8.05 14.86 3.40 3.94 2.36 DB (in.) 0.625±.020 0.273±.005 0.268 REF 0.417±.010 0.062 Nom. 0.115±.012 0.226±.005 0.474 0.742 0.134 0.155 0.093 (mm) 15.875±.508 6.934±.127 6.807 REF 10.592±.254 1.575 Nom. 2.921±.305 5.740±.127 12.040 18.85 3.40 3.94 2.36 EA (in.) 0.811±.020 0.273±.005 0.268 REF 0.572±.010 0.093 Nom. 0.115±.012 0.273±.005 0.611 1.000 0.195 0.155 0.093 (mm) 20.599±.508 6.934±.127 6.807 REF 14.529±.254 2.362 Nom. 2.921±.305 6.934±.127 15.52 25.4 4.95 3.94 2.36 BB (in.) 0.202±.010 0.10±.010 0.095 REF 0.079±.010 0.050 Nom. 0.065±.012 0.135±.005 0.078 0.328 0.125 0.126 0.026 (mm) 5.140±.508 2.54±.127 2.41 REF 2.00±.254 1.280 Nom. 1.640±.305 3.420±.127 1.98 8.33 3.18 3.20 0.66 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 Land pattern dimensions are for reference only 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. Reel Dimensions 0.795* C 20.2 min. Size A nom. B C max. Quantity 12mm 13” 0.488" +0.078, –0.00 0.724" 2000 pcs. BA or 12.4mm +2.0, –0.0 18.4mm 2500 pcs. BB 0.512 ±.008 0.059* 16mm 13” 0.646" +0.078, –0.00 0.882" 1500 pcs. CA or 1.5 min. 13.0 ±.200 16.4mm +2.0, –0.0 22.4mm 1000 pcs. CB 24mm 13” 0.961" +0.078, –0.00 1.196" 1000 pcs. DA or DB A 1.973 50 min. 24.4mm +2.0, –0.0 30.4mm 32mm 13” 1.276" +0.078, –0.00 1.52" 750 pcs. EA Full B 32.4mm +2.0, –0.0 38.4mm Radius Measured All reels are compatible with major pick-and-place machines at Hub and made in accordance with EIA 481 A (except EA size, Tape Start Slot which is 12mm component pitch versus 16mm pitch). 0.098 / 2.5 min. width 0.394 / 10 min. depth (continued) 34 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com

Surface Mount Power OrderINg INFOrMatION Package Tolerance B = 12mm F= 1% C = 16mm G= 2% D = 24mm H= 3% Type of Base E = 32mm J= 5% S = standard K=10% Component type R = recessed Package Modifier T = Tape R = resistor A, B sequential a(onpdt iRoneeall) (For example, the part � � � � � � � � � � � � � � number shown is a wire- wound resistor, 3.5 watt, E = RoHS compliant recessed base, 32mm tape Component Modifier Wattage Resistance Value Available Jan. 2006 size, first case size [A], C = carbon/ceramic Examples: R = Decimal Examples: 1000 ohms 1% tolerance.) composition 1S3 = 1.25W K = 1,000 R249 = 0.249 ohms F = film 2S0 or 2R0 = 2.0W M = 1,000,00024R9 = 24.9 ohms P = power film 3R5 = 3.5W 2K49 = 2,490 ohms W = wire N = wirewound, non-inductive Standard Part Numbers for Surface Mount Power Resistors Wirewound Wirewound Package style  BA CA CB CB DA DA DB EA BB EA Package style  BA CA CB CB DA DA DB EA BB EA Base: standard Base: standard or recessed  S S S R S R R R S R or recessed  S S S R S R R R S R Wattage  1.0 1.5 2.0 2.0 2.0 2.0 3.0 3.5 0.6 1.0 Wattage  1.0 1.5 2.0 2.0 2.0 2.0 3.0 3.5 0.6 1.0 mic value PParerfti xN o. RW1S0BA––– RW1S5CA––– RW2S0CB––– RW2R0CB––– RW2S0DA––– RW2R0DA––– RW3R0DB––– RW3R5EA––– RW0S6BB––– RC1R0EA––– mic value PParerfti xN o. RW1S0BA––– RW1S5CA––– RW2S0CB––– RW2R0CB––– RW2S0DA––– RW2R0DA––– RW3R0DB––– RW3R5EA––– RW0S6BB––– RC1R0EA––– Oh Suffix  Tolerance suffix: F = 1% J = 5% K=10% Oh Suffix  Tolerance suffix: F = 1% J = 5% K=10% 0.005 –––R005– J J F/J 3.30 –––3R30– K 0.010 –––R010– F/J J J F J J J F 4.70 –––4R70– K 0.015 –––R015– F/J J F 5.00 –––5R00– F 0.020 –––R020– J J F J J F 5.60 –––5R60– J 0.025 –––R025– J 6.80 –––6R80– K 0.027 –––R027– J 7.50 –––7R50– J F 0.030 –––R030– F J J J F 10.00 –––10R0– J J J F K 0.033 –––R033– J 15.00 –––15R0– J J F K 0.036 –––R036– J 20.00 –––20R0– J 0.050 –––R050– F/J J J F J J F 22.00 –––22R0– F K 0.056 –––R056– J 24.90 –––24R9– F 0.075 –––R075– J F 33.00 –––33R0– F K 0.080 –––R080– J J 36.00 –––36R0– F 0.100 –––R100– F/J J J F J J J F 47.00 –––47R0– J J F K 0.150 –––R150– J J J 50.00 –––50R0– J 0.200 –––R200– J J J 51.00 –––51R0– J 0.220 –––R220– J 68.00 –––68R0– K 0.240 –––R240– J J F 82.00 –––82R0– J 0.300 –––R300– J J 100.00 –––100R– J F K 0.330 –––R330– J 120.00 –––120R– J 0.400 –––R040– J 180.00 –––180R– J 0.400 –––R400– J 300.00 –––300R– J 0.470 –––R470– J J J F 470.00 –––470R– J 0.500 –––R500– J J J J 1K –––1K00– J K 0.750 –––R750– J F 4.7K –––4K70– J 1.00 –––1R00– F/J J J J J F 5K –––5K00– J 2.00 –––2R00– F rev 1/20-1 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com 35