
Pack of 5 (Five) ¼W Carbon Film Resistors
Type CFR (Carbon Film Resistor)
General purpose resistors where the resistive element comprises of a thin film of carbon, deposited
onto a high thermal conductivity ceramic element. Metal end caps force fitted to the element prior to
the spiralling to value. Tinned copper lead wires are welded to the end caps and the components are
then coated. One coat of phenolic resin is followed by three coats of epoxy resin.
All resistors are tested for value and tolerance.
Selection Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E24
Specification (@70°C)
Resistance Tolerance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±5%
Temperature Coefficient . . . . . . . . . . . . .R 10Ω 0 to -1200ppm/°C
Operating Temperature . . . . . . . . . . . . . . . . . . . .-55°C to +155°C
Limiting Element Voltage . . . . . . . . . . . . . . . . . . . . . . . . . .250Vdc
Insulating Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000 MΩ
Overload Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . 400Vdc (Max)
Dielectric Strength . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .300Vdc
Body Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.4mm
Body Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.2mm
Lead Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 mm
Lead Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 mm