This part is a kind of semiconductor called 5302D.

Function of this product has HIGH VOLTAGE NPN TRANSISTOR.

Manufacturers : Unisonic Technologies

Image and pinout :

Some of the text within the PDF file :

UNISONIC TECHNOLOGIES CO., LTD 5302D HIGH VOLTAGE NPN TRANSISTOR WITH DIODE „ DESCRIPTION NPN SILICON TRANSISTOR 1 TO-251 The UTC 5302D are series of NPN silicon planar transistor with diode, and its suited to be used in power amplifier applications. „ FEATURES * Internal free-wheeling diode * Makes efficient anti-saturation operation * Low variable storage-time spread * Low base drive * Very suitable for half bridge light ballast application 1 TO-252 „ SYMBOL 1 TO-126 1 TO-92 „ ORDERING INFORMATION Ordering Number Lead Free Plating Halogen Free 5302DL-T60-K 5302DG-T60-K 5302DL-T92-B 5302DG-T92-B 5302DL-T92-K 5302DG-T92-K 5302DL-TM3-T 5302DG-TM3-T 5302DL-TN3-R 5302DG-TN3-R Package TO-126 TO-92 TO-92 TO-251 TO-252 Pin Assignment 1 2 3 B C E B C E B C E B C E B C E Packing [ ... ]

5302D PDF Datasheet Download