document number: 31018 revision 10-oct-05 www.vishay.com 18 cmf industrial vishay dale for technical questions, contact: ff2bresistors@vishay.com 2%, 5% 200ppm 10 - 22m r1 - 50m r1 - 8m r1 - 22m 1 - 22m 1 - 5m 1 - 8m metal film resistors, industrial features ? small size - conformal coated ? flame retardant epoxy coating ? controlled temperature coefficient ? excellent high frequency characteristics ? exceptionally low noise; typically 0.10 v/v ? low voltage coefficient to 5ppm/volt ? lead (pb)-free version is rohs compliant ? special tolerance and or tc matching available on request vishay dale model cmf is also available as military qualified styles rn and rl. see appropriate catalog or web page for the m il-spec ratings/attributes. (except for marking, the industrial and military versions are exactly the same. depending upon stock, mil itary marked parts may be supplied as industrial rated parts.) standard electrical specifications commercial power rating (see performance table) resistance range ? note: the above table summarizes the more common combinations of power rating, case size and ambient operating temperature that preva il in various industrial and military resistor specifications. the ?performance? table in ensuing pages qualifies the load life stab ility under these combinations. at + 70 c cmf50 cmf50, cmf55 cmf50, cmf55, cmf60 cmf50, cmf55, cmf60, cmf65, cmf70, cmf07 cmf55, cmf60, cmf65, cmf70, CMF20 cmf60, cmf65, cmf70, CMF20 cmf60, cmf65, cmf70, CMF20 at + 125 c cmf50 cmf50, cmf55 cmf50, cmf55, cmf60, CMF20 cmf55, cmf60, cmf65, cmf70, CMF20 cmf60, cmf65, cmf70, CMF20 cmf65, cmf70 ? 200 250 500 500 500 250 500 0.1% - 1% 25ppm 10 - 500k 10 - 2m5 10 - 2m5 10 - 2m5 10 - 2m5 ? ? global model limiting element voltage max v cmf50 cmf55 cmf60 cmf65 cmf70 cmf07 CMF20 historical model cmf-50 cmf-55 cmf-60 cmf-65 cmf-70 cmf-07 cmf-20 wattage 0.05 0.10 0.125 0.25 0.50 0.75 1.0 global model resistance value toler ance temperature pa ckaging special code coefficient** (see standard r = decimal b = 0.1% e = 25ppm ek = lead free, bulk blank = standard electrical k = thousand c = 0.25% h = 50ppm ea = lead free, t/r (full) (dash number) specifications m = million d = 0.5% k = 100ppm eb = lead free, t/r (1000 pcs) (up to 3 digits) table) r10000 = 0.1 ? f = 1% l = 150ppm bf = tin/lead, bulk from 1-999 680k00 = 680k ? g = 2% n = 200ppm re = tin/lead, t/r (full) as applicable 1m0000 = 1.0m ? j = 5% r6 = tin/lead, t/r (1000 pcs) global part number information new global part numbering: cmf55301r00fkre (preferred part numbering format) cmf55301r00fkre historical part number example: cmf-553010ft-1 (will continue to be accepted) cmf-55 3010 f t-1 r36 historical model resistance value tolerance code temp. coefficient packaging 0.1% - 0.5% 50ppm 10 - 500k 10 - 2m5 10 - 2m5 10 - 2m5 10 - 2m5 ? ? 1% - 5% 50ppm 10 - 500k 10 - 5m 10 - 8m 10 - 10m 10 - 10m ? ? 1% 100ppm 10 - 1m 1 - 22m1 1 - 8m 1 - 15m 1 - 15m ? ? 2%, 5% 100ppm 10 - 1m 1 - 22m1 1 - 8m 1 - 15m 1 - 15m 5 - 5m 5 - 8m 1% 150ppm 10 - 22m r5 - 50m r5 - 8m r5 - 22m 1 - 22m ? ? 2%, 5% 150ppm 10 - 22m r5 - 50m r5 - 8m r5 - 22m 1 - 22m 1 - 5m 1 - 8m 1% 200ppm 10 - 22m r5 - 50m r5 - 8m r5 - 22m 1 - 22m ? ? ** tolerances of 0.5% (d), 0.25% (c) and 0.1% (b) are available only in 50ppm and 25ppm temperature coefficients. * pb containing terminations are not rohs compliant, exemptions may apply. available pb-free e3 rohs* compliant
www.vishay.com 19 cmf industrial vishay dale document number: 31018 revision 10-oct-05 for technical questions, contact: ff2bresistors@vishay.com dimensions in inches [millimeters] * available with 0.032" [.813mm] lead. ** 0.290" [7.37mm] for 0.25% and 0.1% resistance tolerances and values > 1m ? *** 0.260" 0.020" [6.60mm 0.508mm] for values > 5 m ? . d 0.016 0.002 [0.41 0.05] 0.025 0.002 [0.64 0.05] 0.025 0.002* [0.64 0.05] 0.025 0.002 [0.64 0.05] 0.032 0.002 [0.81 0.05] 0.025 0.002 [0.64 0.05] 0.032 0.002 [0.81 0.05] c (max.) 0.187 [4.75] 0.278 [7.06]** 0.425 [10.80] 0.687 [17.45] 0.687 [17.45] 0.278 [7.06] 0.425 [10.80] b 0.065 0.015 [1.65 0.38] 0.090 0.008 [2.29 0.20] 0.145 0.015 [3.68 0.38] 0.180 0.015 [4.57 0.38] 0.180 0.015 [4.57 0.38] 0.090 0.008 [2.29 0.20] 0.145 0.015 [3.68 0.38] a 0.150 0.020 [3.81 0.51] 0.240 0.020*** [6.10 0.51] 0.344 0.031 [8.74 0.79] 0.562 0.031 [14.27 0.79] 0.562 0.031 [14.27 0.79] 0.240 0.020 [6.10 0.51] 0.375 0.040 [9.53 1.02] model cmf50 cmf55 cmf60 cmf65 cmf70 cmf07 CMF20 b d c (max.) 1.500 0.125 [38.10 3.18] a metal film resistors, industrial parameter unit cmf50 cmf55 cmf07 cmf60 CMF20 cmf65 cmf70 maximum working voltage v 200 250 250 500 500 500 500 insulation voltage (1min) v eff >500 voltage coefficient max . 5ppm/volt (measured between 10% and full rated voltage) dielectric strength vac 450 450 450 750 750 900 900 insulation resistance ? 10 11 operating temperature range c - 55 / + 175 terminal strength (pull test) lb 2 2 5 2 5 2 5 noise db 0.10 microvolts/volt over a decade of frequency, with low and intermediate resistance values typically below 0.5 microvolts/v weight (max) g 0.12 0.20 0.20 0.50 0.60 1.00 1.10 technical specifications * 1.08 0.125 [27.43 3.18] if tape and reel global historical tc code t-9 t-2 t-1 t-0 t-00 temperature coefficient 25 ppm/ c 50 ppm/ c 100 ppm/ c 150 ppm/ c 200 ppm/ c global tc code e h k l n temperature coefficient codes
document number: 31018 revision 10-oct-05 www.vishay.com 20 cmf industrial vishay dale for technical questions, contact: ff2bresistors@vishay.com marking ? value ? decade and tolerance ? date code (alternate parts may be mil marked) special modifications 1. terminals may be supplied in any commercial material with several type finishes. 2. special pre-conditioning (power aging, temperature cycling, etc.) to customer specifications. 3. non-helixed resistors can be supplied for critical high frequency applications. 4. fusible, flameproof versions available. metal film resistors, industrial cmf resistors have an operating temperature range of - 55 c to + 175 c. they must be derated at high ambient temperatures according to the derating curve. the increase in resistor surface temperature due to the rated load is shown below. resistor surface temperature = heat rise plus ambient temperature. 1/4 w 1/2 w 3/4 w 1 w 1/8 w 1/4 w 1/2 w 3/4 w 1/8 w 1/10 w 1/4 w 1/2 w cmf55 cmf60 cmf65 cmf07 CMF20 cmf70 heat rise ( c) heat rise -55 -50 -25 0 25 50 70 75 100 125 150 165 175 200 ambient temperature in ? c derating 120 100 80 60 40 20 0 rated power in % element: vacuum-deposited nickel-chrome alloy coating: flame retardant epoxy, formulated for superior moisture protection core: fire-cleaned high purity ceramic solderability: continuous satisfactory coverage when tested in accordance with mil-r-10509 material specifications 0 20 40 60 80 100 1 w
www.vishay.com 21 cmf industrial vishay dale document number: 31018 revision 10-oct-05 for technical questions, contact: ff2bresistors@vishay.com performance power rating @ + 70 c @ + 125 c model cmf50 1/10 watt 1/8 watt 1/4 watt 1/20 watt 1/10 watt 1/8 watt cmf55 1/8 watt 1/4 watt 1/2 watt 1/10 watt 1/8 watt 1/4 watt cmf60 1/4 watt 1/2 watt 3/4 watt & 1 watt 1/8 watt 1/4 watt 1/2 watt cmf65 1/2 watt 3/4 watt 1 watt 1/4 watt 1/2 watt 3/4 watt cmf70 1/2 watt 3/4 watt 1 watt 1/4 watt 1/2 watt 3/4 watt cmf07 ? 1/4 watt ? ? ? ? CMF20 ? 1/2 watt 1 watt ? ? ? test [test methods - mil-std-202] maximum ? r (typical test lots) short time overload ? 0.05% ? ? 0.05% ? low temperature operation ? 0.05% ? ? 0.05% ? moisture resistance ? 0.05% ? ? 0.05% ? shock ? 0.01% ? ? 0.01% ? vibration ? 0.004% ? ? 0.04% ? temperature cycling ? 0.15% ? ? 0.15% ? load life 0.15% 0.5% 1.0% 0.15% 0.5% 1.0% dielectric withstanding voltage ? 0.01% ? ? 0.01% ? effect of solder ? 0.03% ? ? 0.03% ? metal film resistors, industrial
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