This part is a kind of semiconductor called NY24W-K.

Function of this product has POWER RELAY.

Manufacturers : Fujitsu Microelectronics

Image and pinout :

Some of the text within the PDF file :

POWER RELAY 1 POLE5 A (CADMIUM FREE CONTACTS TYPE) NY SERIES s FEATURES q q q q q q q q q Ultra slim type with 5 mm thickness Good for high density mounting Low power consumption and high sensitivity Nominal coil power: 120 mW Operating power: 54 mW UL, CSA, VDE recognized Conforms to IEC 1010-1 and 1131-2 Wide operating range SIL pitch terminals Plastic sealed type Compatible with solid state I/O module type SN (see page 376) in size and pin (terminal) arrangement Environmentally friendly cadmium free contact type is available. www.DataSheet.net/ s ORDERING INFORMATION [Example] (a) (b) (c) (d) (e) NY P – 12 (a) (b) (*) (c) W – K (d) (e) NY: NY Series Nil : PC board mounting type P : Socket mounting type Refer to the COIL DATA CHART W : Bifurcated type K : Plastic [ ... ]

NY24W-K PDF Datasheet Download