PROBLEM TO BE SOLVED: To suppress influence of noise from a power supply unit upon functional elements provided to an outer peripheral part of a radiation detection panel.SOLUTION: The radiographic image capturing device comprises: a radiation detection panel for detecting radiation functional elements which are provided to three sides of four sides of an outer peripheral part of the radiation detection panel, have predetermined functions, and at least one of which is an A/D converter and a power supply unit which is arranged on a back surface of the radiation detection panel, located at a center part of the radiation detection panel in a plan view, and which supplies electric power to at least one part of composing parts including the radiation detection panel.COPYRIGHT: (C)2012,JPO&INPIT【課題】放射線検出パネルの外周部に設けられた機能素子に対する電源部からのノイズの影響を抑制する。【解決手段】放射線を検出する放射線検出パネルと、前記放射線検出パネルの外周部の4辺のうち3辺に設けられ、所定の機能を有し、少なくとも1つがA/D変換器である機能素子と、前記放射線検出パネルの裏面に配置され、かつ、平面視における前記放射線検出パネルの中心部に配置され、前記放射線検出パネルを含む構成部の少なくとも一部へ電力を供給する電源部と、を備えている。【選択図】図4