This part is a kind of semiconductor called FRS1KH.

Function of this product has RELAY.

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Some of the text within the PDF file :

FRS1 RELAY Subminiature SPDT RELAY FEATURES Low coil power consumption Small size and low cost PCB mounting, DIL pitch terminal Standard and high sensitive operation use Dust cover or sealed type C Recognized File No: E141516(N) SPECIFICATIONS COIL RATING RATED VOLTAGE (V DC) 3 5 6 9 12 24 COIL RESISTANCE Ω +/- 10 % FRS1(K)B 20 56 80 180 320 1280 FRS1(K) 25 70 100 220 400 1600 FRS1(K)H 45 120 180 400 700 2800 MUST OPERATE MUST DROPOUT MAXIMUM VOLTAGE VOLTAGE VOLTAGE % OF RATED VOLTAGE (AT +20oC) 75 Max. 10 Min. 110 Max. POWER CONSUMPTION (W) FRS1(K)B: 0.45 FRS1(K) : 0.36 FRS1(K)H: 0.20 CHARACTERISTICS Contact Arrangement Contact Material Contact Resistance Contact Rating (Resistive Load) Switching Voltage Operate Time (Initial) Release Time (Initial) Insulation Resistan [ ... ]

FRS1KH PDF Datasheet Download