To provide an evaporator and a refrigerating cycle device using the evaporator capable of improving temperature distribution of blown out air even if a heat exchange part width in a tube arrangement direction is enlarged while suppressing the number of passage row groups of each heat exchange part.

In the evaporator 100, a windward heat exchange part 15 and a leeward heat exchange part 18 are disposed deviated in the tube arrangement direction A1 such that a second path 15B being a passage row group to become a high temperature of the windward heat exchange part 15 and a first path 18A being a passage row group to become a low temperature of the leeward heat exchange part 18 are overlapped as seen from an air flow direction.

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