This part is a kind of semiconductor called AZ9731F.

Function of this product has RELAY.

Manufacturers : American Zettler

Image and pinout :

Some of the text within the PDF file :

AZ9731F 30 AMP MINI-ISO AUTOMOTIVE RELAY WITH FUSE FEATURES • Quick connect terminals • 30 Amp contact rating (30A Fuse) • Blade fuse design • Steel mounting bracket • ISO/TS 16949, ISO14001 CONTACTS Arrangement Ratings Material Resistance SPST (1 Form A) Resistive load: Max. switched power: 420 W Max. switched current: 30 A Max. switched voltage: 75 VDC Silver tin oxide < 50 milliohms initially (24 V, 1 A voltage drop method) COIL Power At Pickup Voltage (typical) Max. Continuous Dissipation Temperature Rise Temperature 760 mW 3.0 W at 20°C (68°F) 70°C (126°F) at nominal coil voltage (30A) Max. 105°C (311°F) RELAY ORDERING DATA COIL SPECIFICATIONS Nominal Coil Must Operate VDC VDC 6 3.9 12 7.8 24 15.6 Max. Continuous VDC 7.8 15.6 31.2 Coil Resistance ± 10% 2 [ ... ]

AZ9731F PDF Datasheet Download