This part is a kind of semiconductor called JH3001.

Function of this product has Subminiature High Power Relay.

Manufacturers : Hongfa

Image and pinout :

Some of the text within the PDF file :

JH3001(JQC-3FF) Subminiature Power Relays US UL&CUR File NO. E193706 50009864 CCEE File No.CH0067501-2001 FEATURES 15A switching capabilities SPST-NO and SPDT configurations Subminiature, standard PCB layout, low cost Sealed and Unsealed types available COIL DATA @ 20 Nominal Must Operate Must Release Max.allowable Coil Voltage Voltage Voltage Voltage Resistance (VDC) (VDC) (VDC) (VDC) (ohms) 3 5 6 2.25 3.80 4.50 6.75 9.00 13.50 18.00 36.00 0.30 0.50 0.60 0.90 1.20 1.80 2.40 4.80 3.60 6.00 7.20 10.80 14.40 21.60 28.80 57.60 25 70 100 225 400 900 1600 4500 10% 10% 10% 10% 10% 10% 15% 15% CONTACT DATA Arrangements: SPST-NO(1 form A),SPDT(1 form C) Material: Silver Alloy Expected Mechanical Life: 10 million operations (no load) Expected Electrical Life: 100,000 operat [ ... ]

JH3001 PDF Datasheet Download