1-866-9-ohmite ? intl 1-847-258-0300 ? fax 1-847-574-7522 ? www.ohmite.com ? info@ohmite.com 24 macrochip series high voltage/high resistance precision thick film surface mount resistance power voltage standard temp. coefficient 85-125c series range (ohms) @25c rating 50ppm/c 100ppm/c mc101 100 to 1,000m 0.75w 2.0kv 100 -100m 101m-1,000m mc102 200 to 5,000m 1.50w 5.0kv 200 -250m 251m-5,000m mc103 250 to 5,000m 2.00w 7.5kv 250 -100m 101m-5,000m mc104 1k to 5,000m 2.50w 10.0kv 500 -450m 451m-5,000m mc202 500 to 5,000m 2.50w 5.0kv 500 -200m 201m-5,000m mc204 1k to 5,000m 3.25w 10.0kv 1k-375m 376m-5,000m contact ohmite for custom configurations. perform ance data characteristic test method specification humidity mil-std-202, method 103b, condition b 0.25% dielectric withstanding voltage mil-std-202, method 301, 750v 0.25% insulation resistance mil-std-202, method 302, condition a or b >10,000m or greater dry thermal shock mil-std-202, method 107g, condition b, b-1, or f 0.20% load life mil-std-202, method 108a, condition d 1.0% resistance to solvents mil-std-202, method 215g no degrada - tion of coating or marking shock (specified pulse) mil-std-202, method 213b, condition i 0.25% vibration, high frequency mil-std-202, method 204d, condition d .020% power conditioning mil-r-49462a, par 4.8 0.50% ohmites macrochip resistors bring precision high voltage capabilities to surface mount applications. designed with thick film on alumina substrate technology, the resistors can be pro - vided in precision tolerances, high volt - age ratings, and high resistance values. the planar package design is low profile for easy use with instrumentation, medi - cal equipment, voltage regulators, and power supplies. f eatures ? non-inductive design (less than 50 nanohenries) ? low voltage coefficient ? surface mount ? pd ag terminations ? j-bend terminals for applica- tions involving shock and vibration serie s specifi cations character istics resistor thick film on alumina resistance range 100 ohms to 5,000m power rating 0.75w to 3.25w voltage rating 2.0kv to 10.0kv tolerance 0.5% to 20% operating temperature -55c to +180c tcr and vcr see chart below solder silver solder is recommended for macrochip resistors. leaching of the silver in the termination will occur if non-silver solder is used. 60/40 tin-lead solders are not recommended for use with the macrochip product. recommended solder profile 300 temperature c time (sec.) preheating 120 sec. soldering cooling 200 50 50 0 100 150 250 200 0 250 100 150 60 sec. 10 sec. preheating: 145c 15, max. 120 sec. soldering: min. 220c, max. 60 sec. max. temp.: 260c 5, 10 sec. appli cations ? medical instrumentation ? power supplies ? avionics ? light magnification systems
1-866-9-ohmite ? intl 1-847-258-0300 ? fax 1-847-574-7522 ? www.ohmite.com ? info@ohmite.com 25 mc102821006j er macro chip series t erminal 5 = j-bend 6 = smd 8 = no term. style 101 102 104 202 204 t olerance d= 0.5% f= 1% g= 2% j= 5% k= 10% m= 15% p= 20% coating 2 = blue silicone ohms first 3 digits are significant; 4th digit is multiplier (# of zeroes to follow). examples: 10r2 = 10.2 ohms 1000 = 100 ohms 1503 = 150,000 ohm s e = rohs compliant t ape and reel optional b a 0.050" (1.27 mm) two places 0.030" 0.005 (0.76 mm 0.13) b' 0.14" (3.6mm) 0.055" typ. (1.40mm) nas cc21aa-d22w -of a j lead 0.050" centers with t erminal options: j-bend 0.065" (1.65mm) 0.035" typ. (0.89mm) smd land pattern land pattern dimensions are for reference only. l o m n size m n o l mc101 0.280 0.080 0.278 0.120 mc102 0.530 0.080 0.278 0.370 mc103 0.780 0.080 0.278 0.620 mc104 1.030 0.080 0.278 0.870 mc202 0.530 0.080 0.556 0.370 mc204 1.030 0.080 0.556 0.870 qty./reel series power a .01 b .01 b max. (j-bend) w/j-bend w/o j-bend mc101 0.75w 0.25 (6.35) 0.25 (6.35) 0.29 (7.37) 1000 2500 mc102 1.50w 0.25 (6.35) 0.50 (12.70) 0.54 (13.72) 1000 2500 mc103 2.00w 0.25 (6.35) 0.75 (19.05) 0.79 (20.07) 1000 2500 mc104 2.50w 0.25 (6.35) 1.00 (25.40) 1.04 (26.42) mc202 2.50w 0.50 (12.70) 0.50 (12.70) mc204 3.25w 0.50 (12.70) 1.00 (25.40) contact ohmite for custom configurations. macrochip series high voltage/high resistance precision thick film surface mount dimensions (in./mm) ordering inform ation temp. coeff. of resistance* 0c-85c 85c-125c voltage coeff. of resistance** resistor series 25 ppm/c 50 ppm/c 100 ppm/c < 2ppm/volt < 5ppm/volt mc101 100 to 800m 100 to 100m 101m to 1,000m 100 to 270m 271m to 1,000m mc102 200 to 1,500m 200 to 250m 251m to 5,000m 200 to 640m 641m to 5,000m mc103 250 to 800m 250 to 440m 441m to 5,000m 250 to 1,100m 1,101m to 5,000m mc104 500 to 2,500m 500 to 450m 451m to 5,000m 500 to 1,100m 1,101m to 5,000m mc202 500 to 1,500m 500 to 200m 201m to 5,000m 500 to 520m 521m to 5,000m mc204 1k to 1,750m 1k to 375m 376m to 5,000m 1k to 950m 951m to 5,000m *tcr of 25ppm for temperature range of 0c-85c. tcr of 50ppm and 100ppm for -55c to 125c. consult factory for tcr values operating higher than 125c **vcs of <2ppm/volt are available. contact ohmite with your requirement. 1k mc102821001je 2.5k mc102822501je 5k mc102825001je 7.5k mc102827501je 10k mc102821002je 12.5k mc102821252je 15k mc102821502je 17.5k mc102821752je 20k mc102822002je 25k mc102822502je tem p./voltage coefficients of resis tance standard part numbers series: mc10282 tolerance: 5% watts: 1w ohms part number ohms part number ohms part number 50k mc102825002je 75k mc102827502je 100k mc102821003je 125k mc102821253je 150k mc102821503je 200k mc102822003je 250k mc102822503je 500k mc102825003je 750k mc102827503je 1m mc102821004je 1.25m mc102821254je 1.5m mc102821504je 1.75m mc102821754je 2m mc102822004je 2.5m mc102822504je 5m mc102825004je 10m mc102821005je 25m mc102822505je 50m mc102825005je
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