Standard pedestal mount Series: carbon composition (1/4 watt) Ser
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Tolerance 1%-5% standard Twelve wattage ratings Seven package sizes mounting designs accommodate your soldering process Four power resistor technologies optimize your operating performance: Carbon Ceramic composition surge inductance Metal film high ohmic value T.C. Wire element inrush current combined with ohmic values. Resistance values 0.005 Power film high ohmic value high wattage Flexible J-bend terminations Working Temperature Range: -55°C +150°C
Standard pedestal mount
Series: carbon composition (1/4 watt) Series: ceramic composition (above watt) Series: metal film Recessed-base Series: wirewound mount Series: power film
Flexible J-bend
Surface Mount Power
DERATING
Percent Rated Power Ambient Temperature,
Series* RC0S2CA RC0R5DB RW0S6BB RF0S8BA RW1S0BA RF1S0CA RC1R0EA RP1S3CA RW1S5CA RP1S5CB RP1R5CB RW2S0CB RW2R0CB RP2S0DA RP2R0DA RW2S0DA RW2R0DA RP2R5DB RW3R0DB RP3R0EA RW3R5EA
Wattage 0.25 0.50 0.80 1.00 1.00 1.00 1.25 1.50 1.50 1.50 2.00 2.00 2.00 2.00 2.00 2.00 2.50 3.00 3.00 3.50
Ohms 2.2-5.6M 2.2-20M 0.005-1K 1.0-10M 0.005-1K 1.0-10M 3.3-100K 1.0-1M 0.005-1.5K 1.0-1M 1.0-1M 0.005-5K 0.005-5K 1.0-1M 1.0-1M 0.005-5K 0.005-5K 1.0-1M 0.005-13K 1.0-1M 0.005-25K
Length 0.394 10.01 0.625 15.88 0.202 5.14 0.246 6.25 0.246 6.25 0.394 10.01 0.811 20.60 0.394 10.01 0.394 10.01 0.407 10.34 0.407 10.34 0.407 10.34 0.407 10.34 0.455 11.56 0.455 11.56 0.455 11.56 0.455 11.56 0.655 16.64 0.625 15.88 0.811 20.60 0.811 20.60
Dimensions (in. Height 0.159 4.04 0.226 5.74 0.135 3.42 0.136 3.45 0.136 3.45 0.159 4.04 0.273 6.93 0.159 4.04 0.159 4.04 0.222 5.64 0.222 5.64 0.222 5.64 0.222 5.64 0.226 5.74 0.226 5.74 0.226 5.74 0.226 5.74 0.226 5.74 0.226 5.74 0.273 6.93 0.273 6.93
Width 0.159 4.04 0.273 6.93 2.54 0.136 3.45 0.136 3.45 0.159 4.04 0.273 6.93 0.159 4.04 0.159 4.04 0.226 5.74 0.226 5.74 0.226 5.74 0.226 5.74 0.24 6.10 0.24 6.10 0.24 6.10 0.24 6.10 0.273 6.93 0.273 6.93 0.273 6.93 0.273 6.93
Voltage
Military grade versions available; contact Ohmite. *Last digits designate package size
Part Number RC0S2CA----- RC0R5DB----- RW0S6BB----- RF0S8BA----- RW1S0BA----- RF1S0CA----- RC1R0EA----- RP1S3CA----- RP1S5CA----- RP1S5CB----- RP1R5CB----- RW2S0CB----- RW2R0CB----- RP2S0DA----- RP2R0DA----- RW2S0DA----- RW2R0DA----- RP2R5DB----- RW3R0DB----- RP3R0EA----- RW3R5EA----- RM0R7EA----- *25°C ambient Power (watts)* 0.25 0.50 1.25 0.75 Maximum voltage 2500 0.005-1.5K 0.005-5K 0.005-5K 0.005-13K 0.005-25K 1K-1000M tol. 0.005-1K 1-5M 0.005-1K 10-1M Resistance range tol. 2.2-1K 2.2-1K 0.005-1K 0.005-1K 1-10M 3.3-100K(10% only) 1-1M 0.005-1.5K 1-1M 0.005-5K 1-1M 0.005-5K 1-1M 0.005-13K 1-1M 0.005-25K 1K-1000M ±250 ±250 ±250 ±250 ±250 ±250 tol. 1K-5.6M 1K-20M Temp. Coefficient 0.1-1 1-10 ±400 ±400 ±100 ±200 ±400 ±400 ±100 ±100 -1300 ±250 ±250 ±250 ±250 ±250 ±250 Dielectric Withstanding 1000V 1000V 1000V 1000V 1000V 1000V 1000V 1000V 1000V 1000V 1000V 1000V 1000V 1000V 1000V 1000V 1000V 1000V Tape Size reels 16mm 24mm 12mm 12mm 12mm 16mm 32mm 16mm 16mm 16mm 16mm 24mm 24mm 24mm 24mm 32mm 32mm 32mm Quantity reel 1500 1000 2500 2000 2000 1500 1500 1500 1000 1000 1000 1000 1000 1000
(continued)
Ohmite Mfg. 1600 Golf Rd., Rolling Meadows, 60008 1-866-9-OHMITE Int'l 1-847-258-0300 1-847-574-7522 www.ohmite.com info@ohmite.com
Surface Mount Power
(continued)
Note
=0.006 Ref.
Note
=0.005 ±.001
Recommended glue application
Board Land Pattern .098 .126 .050 2.49 3.20 1.27 .134 .126 .060 3.40 3.20 1.52 .131 .126 .093 3.33 3.20 2.36 .134 .155 .093 3.40 3.94 2.36 .134 .155 .093 3.40 3.94 2.36 .195 .155 .093 4.95 3.94 2.36 0.125 0.126 0.026 3.18 3.20 0.66
Packages (in.) (mm) (in.) (mm) (in.) (mm) (in.) (mm) (in.) (mm) (in.) (mm) (in.) (mm)
.246±.020 6.248±.508 .394±.020 10.008±.508 .407±.020 10.338±.508 .455±.020 11.557±.508 .625±.020 15.875±.508 .811±.020 20.599±.508 .202±.010 5.140±.508
.136±.005 3.454±.127 .159±.005 4.039±.127 .226±.005 5.74±.127 .240±.005 6.096±.127 .273±.005 6.934±.127 .273±.005 6.934±.127 .10±.010 2.54±.127
Package Outline Dimensions .133 .110±.010 .047 Nom. 3.378 2.794±.254 1.194 Nom. .156 .220±.010 .062 Nom. 3.962 5.588±.254 1.575 Nom. .222 .260±.010 .062 Nom. 5.639 6.604±.254 1.575 Nom. .236 .260±.010 .062 Nom. 5.994 6.604±.254 1.575 Nom. .268 .417±.010 .062 Nom. 6.807 10.592±.254 1.575 Nom. .268 .572±.010 .093 Nom. 6.807 14.529±.254 2.362 Nom. .095 .079±.010 .050 Nom. 2.41 2.00±.254 1.280 Nom.
.054±.012 1.372±.305 .078±.012 1.981±.305 .084±.012 2.134±.305 .143±.012 3.632±.305 .143±.012 3.632±.305 .143±.012 3.632±.305 .065±.012 1.640±.305
.136±.005 3.454±.127 .159±.005 4.038±.127 .222±.005 5.639±.127 .226±.005 5.740±.127 .226±.005 5.740±.127 .273±.005 6.934±.127 .135±.005 3.420±.127
.150 3.81 .256 6.50 .276 7.01 .317 8.05 .474 12.040 .611 15.52 0.078 1.98
.346 8.79 .524 13.31 .537 13.64 .585 14.86 .742 18.85 1.000 25.4 0.328 8.33
Note Packages only available with pedestal base. Packages available either pedestal recessed base. Packages only available recessed base. Note Test point .020 above PCB. Note Tape reel dimensions except "EA" size which component pitch versus 16mm pitch.
Land pattern dimensions reference only
Temperature rise,
Package limit spot temperature rise
Alumina
temperature rise graph data obtained selection test substrate size trace width each resistor size limit operating temperatures safe values. operating temperature safe rises either 100°C substrate temperature rise 180°C package spot temperature rise 25°C ambient. FR4: 0.062 thick; 0.062 traces Alumina: 0.040 thick; 0.010 traces Molding material rated 205°C continuous.
0.02 0.04 0.06 0.08 0.10 Ohms
Typical less than resistors (PPM/°C)
Solder joint
100% 200% Percent Rated power
300%
REEL DIMENSIONS
0.795* 20.2 min.
0.512 ±.008 13.0 ±.200
0.059* min.
Tape Start Slot
0.098 min. width 0.394 min. depth
Size nom. 12mm 0.488" +0.078, -0.00 12.4mm +2.0, -0.0 16mm 0.646" +0.078, -0.00 16.4mm +2.0, -0.0 24mm 0.961" +0.078, -0.00 24.4mm +2.0, -0.0 1.973 min. 32mm 1.276" +0.078, -0.00 32.4mm +2.0, -0.0
max. 0.724" 18.4mm 0.882" 22.4mm 1.196" 30.4mm 1.52" 38.4mm
Quantity 2000 pcs. 2500 pcs. 1500 pcs. 1000 pcs. 1000 pcs. pcs.
Full Radius
Measured
reels compatible with major pick-and-place machines made accordance with (except size, which 12mm component pitch versus 16mm pitch).
(continued)
Ohmite Mfg. 1600 Golf Rd., Rolling Meadows, 60008 1-866-9-OHMITE Int'l 1-847-258-0300 1-847-574-7522 www.ohmite.com info@ohmite.com
Surface Mount Power
(continued)
Temp. cycle (-55°C 125°C, Construction 1000 cycles) Carbon/Ceramic Composition ±4.0%+.05 Metal Film ±0.5%+.05 Wirewound ±0.5%+.05 Power Film ±3.0%+.05 Wirewound, Non-inductive ±0.5%+.05 Load Life (1000 hours 25°C) ±10.0%+.05 ±0.5%+.05 ±3.0%+.05 ±5.0%+.05 ±3.0%+.05 Immersion (260°C sec.) ±3.0%+.05 ±0.1%+.05 ±0.1%+.05 ±0.5%+.05 ±0.1%+.05 Momentary Overload 6.3x rated power sec. rated power sec. rated power sec. rated power sec. rated power sec.
models:
Leaching (260°C Solder immersion, sec.). Thermal Shock (Units -55°C, then rated power applied). Flammability
visible leaching mechanical damage Material rating, UL94V0
Wirewound Package style Base: standard recessed Wattage RW1S0BA--- Ohmic value Part Prefix RW1S5CA--- RW2S0CB--- RW2R0CB--- RW2S0DA--- RW2R0DA--- RW3R0DB--- RW3R5EA--- RW0S6BB--- RC1R0EA--- Ohmic value Package style Base: standard recessed Wattage Part Prefix RW1S0BA--- RW1S5CA--- Wirewound RW2S0CB--- RW2R0CB--- RW2S0DA--- RW2R0DA--- RW3R0DB--- RW3R5EA--- RW0S6BB--- RC1R0EA---
0.005 0.010 0.015 0.020 0.025 0.027 0.030 0.033 0.036 0.050 0.056 0.075 0.080 0.100 0.150 0.200 0.220 0.240 0.300 0.330 0.400 0.400 0.470 0.500 0.750 1.00 2.00
Suffix Tolerance suffix: K=10% ---R005- ---R010- ---R015- ---R020- ---R025- ---R027- ---R030- ---R033- ---R036- ---R050- ---R056- ---R075- ---R080- ---R100- ---R150- ---R200- ---R220- ---R240- ---R300- ---R330- ---R040- ---R400- ---R470- ---R500- ---R750- ---1R00- ---2R00-
3.30 4.70 5.00 5.60 6.80 7.50 10.00 15.00 20.00 22.00 24.90 33.00 36.00 47.00 50.00 51.00 68.00 82.00 100.00 120.00 180.00 300.00 470.00 4.7K
Suffix Tolerance suffix: K=10% ---3R30- ---4R70- ---5R00- ---5R60- ---6R80- ---7R50- ---10R0- ---15R0- ---20R0- ---22R0- ---24R9- ---33R0- ---36R0- ---47R0- ---50R0- ---51R0- ---68R0- ---82R0- ---100R- ---120R- ---180R- ---300R- ---470R- ---1K00- ---4K70- ---5K00-
Package 12mm 16mm 24mm 32mm Package Modifier sequential Tolerance =10%
Component type resistor
Type Base standard recessed
Component Modifier Wattage carbon/ceramic Examples: composition 1.25W film 2.0W power film 3.5W wire wirewound, non-inductive
Tape Reel (optional)
(For example, part number shown wirewound resistor, watt, recessed base, 32mm tape size, first case size [A], 1000 ohms tolerance.)
RoHS compliant Resistance Value Available Jan. 2006 Decimal Examples: 1,000 R249 0.249 ohms 1,000,000 24R9 24.9 ohms 2K49 2,490 ohms
Ohmite Mfg. 1600 Golf Rd., Rolling Meadows, 60008 1-866-9-OHMITE Int'l 1-847-258-0300 1-847-574-7522 www.ohmite.com info@ohmite.com
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