MF12

MF12, MF25 & MF50 Series Metal Film Resistors Materials and Features: EIA standard colour-coding. Low noise and voltage coefficient. Low temperature coefficient range. Nichrome resistor element provides stable performance in various environments. Multiple epoxy coating on vacuum-deposited metal film provides superior moisture protection. Dimension: Style MF 12 MF 25 MF 50 Power Rating at 70°C (W) 0.125 0.25 0.5 D Maximum 1.85 2.5 3.5 L Maximum 3.5 6.8 10.0 d +0.02 -0.05 0.45 0.54 H±3 28.0 Dimensions : Millimetres Supplied bandoliered on tape (Box = 5000 pcs. for MF12 and MF25 Series) (Box = 1000 pcs. for MF50 Series). General Specification Style MF 12 MF 25 MF 50 Dielectric withstanding voltage (V) 400 500 700 Maximum working voltage (V) 200 250 350 Maximum overload voltage (V) 400 500 700 Dimensions : Millimetres Resistance Tolerance Temperature Coefficient Resistance Range ±1% ±50ppm/°C 1Ω to 1MΩ Page 1 10/05/05 V1.0 MF12, MF25 & MF50 Series Metal Film Resistors Current Noise Level Derating Curve +0.8 Load Life Percent rated load (%) +0.4 ∆R/R (%) 0 -0.4 -0.8 100Ω 1KΩ 10KΩ 100KΩ 1MΩ Nominal resistance (Ω) Ambient temperature (°C) Performance Specification Characteristics Test Methods Natural resistance change per temperature degree centigrade. R2 - R1 Temperature coefficient R1(t2-t1) X 10 (ppm/°C) 6 Limits Within the temperature coefficient specified below Maximum TCR ±50ppm/°C No evidence of flashover mechanical damage, arcing or in...