This part is a kind of semiconductor called 1N6284.

Function of this product has TRANSZORB TRANSIENT VOLTAGE SUPPRESSOR.

Manufacturers : General Semiconductor

Image and pinout :

Some of the text within the PDF file :

1.5KE6.8 THRU 1.5KE440CA TRANSZORB™ TRANSIENT VOLTAGE SUPPRESSOR Breakdown Voltage - 6.8 to 440 Volts Case Style 1.5KE Peak Pulse Power - 1500 Watts FEATURES 1.0 (25.4) MIN. 0.210 (5.3) 0.190 (4.8) DIA. 0.375 (9.5) 0.285 (7.2) 1.0 (25.4) MIN. ♦ Plastic package has Underwriters Laboratory Flammability Classification 94V-0 ♦ Glass passivated junction ♦ 1500W peak pulse power capability on 10/1000µs waveform repetition rate (duty cycle): 0.05% ♦ Excellent clamping capability ♦ Low incremental surge resistance ♦ Fast response time: typically less than 1.0ps from 0 Volts to V(BR) for uni-directional and 5.0ns for bi-directional types ♦ For devices with V(BR) >10V, ID are typically less than 1.0µA ♦ High temperature soldering guaranteed: 265°C/10 seconds, 0.375" (9.5mm) [ ... ]

1N6284 PDF Datasheet Download