PMF Series Power Metal Film Resistors • • • • • • Resistances from 0.22Ohm to 1MOhms Power Rating to 3Watts Resistance Tolerances to ±1% Max. working voltage to 750V Lead (Pb)-free solder contacts Flameproof SPECIFICATIONS Type Resistance Range PMF1 PMF2 PMF3 0.22Ohms to 1MOhms 0.33Ohms to 1MOhms 0.68Ohms to 1MOhms 0.6W 1.0W 1.2W 2.0W 2.0W 3.0W Power rating (70°C) R < 1 Ohm R ≥ 1 Ohm Tolerances 1% (E-24, E-96) / 5% (E-24) Temperature Coefficient max. ±250ppm/°C Operating Voltage (Umax) 350V 500V Operating Temperature Range Max. Resistance Change Load Climatic tests Soldering ∆R/R max.: ±5% +0.1 Ohm ∆R/R max.: ±3% +0.1 Ohm ∆R/R max.: ±1% +0.05 Ohm Basic Specification IEC 60115-1 and 60115-4 6.5 [0.26] 8.5 [0.34] 25 [0.98] 2.5 [0.098] 0.58 ±0.05 [0.023 ±0.002] 15.0 [0.59] 17.0 [0.67] 28 [1.10] 5.2 [0.21] 0.78 ±0.05 [0.031 ±0.002] 10.0 [0.39] 12.0 [0.47] 25 [0.98] 3.9 [0.15] 0.78 ±0.05 [0.031 ±0.002] Power (% from nominal power) Dimensions in mm [inches] L L2 H D d 750V -55 to 155°C 100 80 60 40 20 0 50 70 90 110 130 155 Temperature (°C) Ordering Information Part Description: Part type - Resistance - Tolerance PMF1 10 kOhms 5% 250ppm Riedon Inc. 300 Cypress Avenue Alhambra CA 91801 (626) 284-9901 (626) 284-1704 www.riedon.com Page 1 07/13