MF Series Film Resistors • • • • • Resistances from 0.1 Ohm to 5M Ohms Power Rating to 3 Watts Resistance Tolerances to ± 0.1% TCR’s to ± 5ppm/C Convenient RN Type Package Styles SPECIFICATIONS Type MIL-R-10509F MF50 MF55 MF60 MF65 MF70 MF75 RN50 RN55 RN60 RN65 RN70 RN75 2.0W 3.0W Resistance Range 0.1 Ohms to 5M Ohms Power rating (70°C) 0.16W 0.25W Tolerances 0.50W 1.0W 0.1% / 0.25% / 0.5% / 1% / 5% Temperature Coefficient 5 / 10 / 15 / 25 / 50ppm/°C Operating Voltage (Umax) 200V 250V 300V 350V 450V 500V Short Time Overload Voltage 400V 500V 600V 700V 900V 1000V 16.0 [ 0.630 ] 5.5 [ 0.217 ] 0.8 ± 0.05 [0.032 ± 0.002] 18.0 [ 0.709 ] 6.5 [ 0.256 ] 0.8 ± 0.1 [0.032 ± 0.004] Operating Temperature Range -55 to 125°C Resistance to Solder Heat (260°C for 3.0 secs.) ±0.25%+0.05Ω Insulation Resistance >1G Insulation Voltage >500V ∆R/R max.after 1000h < 1% Stability 0.5% Dimensions in mm [inches] L ( MAX ) D ( MAX ) d 3.8 [ 0.150 ] 2.0 [ 0.078 ] 0.5 ± 0.05 [0.020 ± 0.002] 6.0 [ 0.24 ] 2.5 [ 0.098 ] 0.6 ± 0.05 [0.024 ± 0.002] 10.0 [ 0.394 ] 3.5 [ 0.138 ] 0.6 ± 0.05 [0.024 ± 0.002] 12 [ 0.472 ] 4.5 [ 0.177 ] 0.7 ± 0.05 [0.028 ± 0.002] Power Derating Curve 120 Power ( % ) 100 80 60 40 20 0 0 25 50 75 100 125 150 175 200 Ambient Temperature (°C) Ordering Information Part Description: Part Type - Resistance - Tolerance - TCR MF55 100K Ohms 0.5% 25ppm Riedon Inc. 05/14 300 Cypress Avenue Alhambra CA 91801 www.riedon.com (626) 284-9901 (626) 284-1704