Heater and image forming apparatus

Abstract

To provide a heater that can reduce a size of the heater with a simple configuration, and an image forming apparatus.SOLUTION: A heater 1 according to an embodiment is provided with: a substrate 10 that has conductivity and extends in a first direction; an insulating part 20 that is provided on one face of the substrate, has insulating properties, and has a hole penetrating in a thickness direction; a heating element 30 that is provided on the insulating part, and extends in the first direction; a detection part 40 that is provided on the insulating part, is arranged side by side with the heating element in a second direction orthogonal to the first direction, and detects a temperature of the heating element; first wiring 41 that is provided on the insulating part, extends in the first direction, is electrically connected at one end with one terminal of the detection part, and is electrically connected at the other end with the substrate through the hole of the insulating part; and a protection part 50 that is provided on the insulating part, covers the heating element, the detection part, and the first wiring, and has insulating properties.SELECTED DRAWING: Figure 1