document number: 31025 revision 01-aug-02 www.vishay.com 46 erc vishay dale for technical questions, contact ff2bresistors@vishay.com metal film resistors, military/established reliability mil-prf-55182, qualified, type rnc temperature coefficient code tc code t-1 t-2 t-9 standard electrical specifications resistance range (ohms) * * consult factory for values on qpl. standard resistance tolerances: 0.1% (b), 0.5% (d) and 1% (f). 0.1% not applicable to characteristic k. features ? meets requirements of mil-prf-55182 ? very low noise ? verified failure rate (contact factory for current level) ? 100% stabilization and screening tests. group a testing, if desired, to customer requirements. ? controlled temperature coefficient ? excellent high frequency performance ? epoxy coating provides superior moisture protection ? standard lead on rnc product is solderable and weldable ? traceability of materials and processing ? monthly acceptance testing ? vishay dale has complete capability to develop specific reliability programs designed to customer requirements ? extensive stocking program at distributors and factory on rnc50, rnc55, rnc60 and rnc65 vishay dale model erc-50 erc-55 erc-55-200 erc-65 erc-70 mil. char. k h j temperature coefficient 0 100ppm/ c 0 50ppm/ c 0 25ppm/ c temperature range - 55 c to + 175 c - 55 c to + 175 c - 55 c to + 175 c t-9 (j) 10r - 796k 10r - 2.0m 10r - 2.0m 10r - 3.01m 10r - 3.01m t-2 (h) 10r - 796k 10r - 2.0m 10r - 2.0m 10r - 3.01m 10r - 3.01m maximum working voltage 200 200 250 300 350 maximum weight (grams) .11 .35 .35 .84 1.60 p 125 c w 0.05 0.1 0.125 0.25 0.5 p 70 c w 0.10 0.125 0.25 0.5 0.75 mil-r-55182 type rnc50 rnc55 rnc60 rnc65 rnc70 t-1 (k) 10r - 796k 10r - 2.0m 10r - 2.0m 10r - 3.01m 10r - 3.01m ordering information - military part number rnc mil. type per mil-prf-55182 rnc = solderable/weldable leads rnr = solderable only leads r failure rate %/1000 hours 55 size h characteristic (non-hermetic) first three digits are significant figures. last digit specifies the number of zeros to follow. (21.5 kilohm illustrated.) 2152 value f tolerance s = 0.001% r = 0.01% p = 0.1% m= 1% b= 0.1% d= 0.5% f= 1% j = 25ppm/ c h = 50ppm/ c k = 100ppm/ c 50 = 0.05 watt 55 = 0.10 watt 60 = 0.25 watt 65 = 0.25 watt 70 = 0.5 watt resistance tolerance % 0.1, 0.5, 1 0.1, 0.5, 1 0.1, 0.5, 1 0.1, 0.5, 1 0.1, 0.5, 1 parameter unit condition voltage coefficient, max. ppm/ c 5/volt when measured between 10% and full rated voltage dielectric strength vac erc-50/erc-55/erc55-200 = 450; erc-65/erc-70 = 900 insulation resistance ? 10 11 dry; 10 9 after moisture test operating temperature range ?c - 65 / + 175 terminal strength lb 2lb pull test on erc-50/erc-55/erc55-200/erc-65; 4.5lb pull test on erc-70 solderability continuous satisfactory coverage when tested in accordance with mil-std-202, method 208 technical specifications power rating
www.vishay.com 47 erc vishay dale document number: 31025 revision 01-aug-02 for technical questions, contact ff2bresistors@vishay.com dimensions in inches [millimeters] per mil-prf-55182 model erc-50 erc-55 erc-55-200 erc-65 erc-70 e 1.25 0.266 [31.75 6.76] 1.50 0.125 [38.1 3.18] 1.50 0.125 [38.1 3.18] 1.50 0.125 [38.1 3.18] 1.50 0.125 [38.1 3.18] d 0.016 [0.41] 0.025 [0.64] 0.025 [0.64] 0.025 [0.64] 0.032 [0.81] c (max.) .187 [4.75] .300 [7.62] .350 [8.89] .687 [17.45] .687 [17.45] a 0.150 0.020 [3.81 0.51] 0.250 + 0.031 - 0.046 [6.35 + 0.79 - 1.17] 0.280 0.020 [7.11 0.51] 0.562 0.031 [14.27 0.79] 0.562 0.031 [14.27 0.79] b 0.070 0.010 [1.78 0.25] 0.091 0.009 [2.31 0.23] 0.094 0.009 [2.39 0.23] 0.180 0.015 [4.57 0.38] 0.180 0.015 [4.57 0.38] a d b e c max. metal film resistors, military/established reliability power rating power ratings are based on the following two conditions: 1. 2.0% maximum ? r in 10000 hours load life. 2. + 175 c maximum operating temperature. applicable mil-specifications mil-prf-55182: the erc series meets the electrical, environmental and dimensional requirements of mil-prf-55182. mil-prf-10509: mil-prf-55182 supercedes mil-prf-10509 on new designs. the erc series meets or exceeds mil-prf-10509 requirements. documentation: qualification and failure rate verification test data is maintained by vishay dale and is available upon request. lot traceability and identification data is maintained by vishay dale for five years. vishay dale erc resistors have an operating temperature range of - 65 c to + 175 c. they must be derated according to the following curve: element: vacuum-deposited nickel-chrome alloy encapsulation: specially formulated epoxy compound standard lead material is solder-coated copper core: fire-cleaned high purity ceramic termination: solderable and weldable per mil-std-1276, type c. material specifications marking -65 -50 -25 0 25 50 75 100 125 150 175 200 ambient temperature in ?c derating rated power in % * 1.08 0.125 [27.43 3.18] if tape and reel 0 20 40 60 80 100 120
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