1 iso-9001 registered established reliability mil-qualified metal glaze? resistor rlr series 1/8 watt to 1/2 watt 4.3 ohms to 3.01m ohms 1% and 2% tolerance tcr of 100 ppm/c mil-r-39017 approved to "s" level high temperature soldered termination-lead assembly spiraled or laser helixed to resistance value, tolerance tin-lead electroplated copper leads tough molded jacket metal glaze thick film element fired at 1000c to solid ceramic core digital marking per mil-r-39017 specifications: mil type rlr05/s* rlr07/s rlr20/s marking stamp stamp stamp tolerance ( %) 1, 2 1, 2 1, 2 max voltage rating 200 250 350 nominal size 1/8w 1/4w 1/2w mil resistance range (ohms) 10 to 301k 10 to 3.01m 4.3 to 3.01m mil power rating (watts) 1/8 @ 70c 1/4 @ 70c 1/2 @ 70c tcr (ppm/c) 100 100 100 nominal size 1/8 watt 1/4 watt 1/2 watt body length bl 0.1500.020 (3.80.5) 0.250.015 (6.4.4) 0.390.010 (9.9.3) body diameter bd 0.0660.008 (1.70.2) 0.090.008 (2.3.2) 0.140.008 (3.6.2) lead length ll 1.000.125 (25.43.2) 1.50.125 (38.13.2) 1.50.125 (38.13.2) lead diameter ld 0.0160.002 (0.410.05) 0.025.002 (0.640.05) 0.032.002 (0.810.05) clean lead 0.187 (4.7) 0.300 (7.6) 0.450 (11.4) dimensions (inches and (mm)) : how to order: sample part no.: rlr- 20 c 1001 f s mil style rlr=fixed film resistor. established reliability. power rating 05=1/8 watt 07=1/4 watt 20=1/2 watt lead material c = solderable/weldable leads resistance first three digits represent significant figures; fourth digit is number of zeros. tolerance f=1%, g=2% failure rate s = 0.001% for 1000 hrs. (60% confidence) *conformally coated construction on all 1/8 nominal sizes. 100 80 60 40 20 0 70 125 150 165 175 ambient temperature (c) % of mil spec. rated power mil spec power derating: rlr rlr-07 performance: test conditions temperature coefficient ppm/c low temperature operation thermal shock moisture resistance short time overload load life (70c-1/4w) 1000hrs. terminal strength effect of soldering shock vibration high temperature exposure (150c no load) temperature rise at 1/4w power load dielectric strength mil-r-39017 test limits allowed 100 0.25% 0.25% 1.00% 0.50% 4.00% 0.25% 0.25% 0.50% 0.50% 2.00% - 0.25% rlr-07 max. % d d d d d r( 3 s s s s s ) 100 0.05% 0.15% 0.50% 0.15% 0.50% 0.05% 0.10% 0.05% 0.05% 0.50% 0.05% see temp. rise chart established reliability mil specifications: rlr products listed above are qualified to the appropriate estab- lished reliability mil specification. in general, metal glaze units such as these are specified for all rlr requirements. wirewound and film technologies division 736 greenway road boone, north carolina 28607-1860 tel: 828-264-8861 fax: 828-264-8866 www.irctt.com
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