To provide a radiation detector with which it is possible to suppress the breakage of a radiation detection panel.SOLUTION: The radiation detector comprises a radiation detection panel, a support member 3, a plurality of power supply units, a housing, and a plurality of spacers provided on a second face 11 of the support member 3 projecting from the plurality of power supply units and in contact with the bottom of the housing, the plurality of power supply units including a first power supply unit 20 and a second power supply unit 21 arranged, with a space therebetween, in a first direction X in plane of the second face 11, the plurality of spacers including a pair of spacers 22 across the first power supply unit 20 and the second power supply unit 21 in a second direction Y in plane of the second face, the pair of spacers 22 crossing the first power supply unit 20 and the second power supply unit 21 at a stretch in the first direction X.SELECTED DRAWING: Figure 3【課題】放射線検出パネルの破損を抑制できる放射線検出装置を提供する。【解決手段】放射線検出装置は、放射線検出パネルと、支持部材３と、複数の電力供給部と、筐体と、複数の電力供給部よりも突出して支持部材３の第２面１１に設けられており、筐体の底に当接する複数のスペーサと、を備え、複数の電力供給部は、第２面１１の面内における第１方向Ｘに間隔をあけて配置される第１電力供給部２０と、第２電力供給部２１とを含み、複数のスペーサは、第２面の面内における第２方向Ｙに第１電力供給部２０及び第２電力供給部２１を挟む一対のスペーサ２２含み、一対のスペーサ２２は、第１電力供給部２０と第２電力供給部２１との間を第１方向Ｘに一続きに横断している。【選択図】図３
