This part is a kind of semiconductor called 3.0SMCJ36A.

Function of this product has SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR(VOLTAGE - 5.0 to 220 Volts 3000 Watt Peak Power Pulse).

Manufacturers : Pan Jit International Inc.

Image and pinout :

Some of the text within the PDF file :

Approve Sheet Part Number: 3.0SMCJ SERIES 3.DATA SHEET 3.0SMCJ SERIES SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR VOLTAGE - 5.0 to 220 Volts 3000 Watt Peak Power Pulse SMC / DO-214AB Unit: inch ( mm ) FEATURES • For surface mounted applications in order to optimize board space. • Low profile package • Built-in strain relief • Glass passivated junction • Excellent clamping capability • Low inductance • Fast response time: typically less than 1.0 ps from 0 volts to BV min • Typical IR less than 1µA above 10V • High temperature soldering : 250°C/10 seconds at terminals. • Plastic package has Underwriters Laboratory Flammability Classification 94V-O .128 (3.25) .108 (2.75) .245 (6.22) .220 (5.59) .280 (7.11) .260 (6.60) .012 (.305) .006 (.152) .008(.203) .002(.051) .32 [ ... ]

3.0SMCJ36A PDF Datasheet Download