This part is a kind of semiconductor called 2SC4954.

Function of this product has HIGH FREQUENCY LOW NOISE AMPLIFIER NPN SILICON EPITAXIAL TRANSISTOR MINI MOLD.

Manufacturers : NEC

Image and pinout :

Some of the text within the PDF file :

DATA SHEET SILICON TRANSISTOR 2SC4954 HIGH FREQUENCY LOW NOISE AMPLIFIER NPN SILICON EPITAXIAL TRANSISTOR MINI MOLD FEATURES • Low Noise, High Gain • Low Voltage Operation • Low Feedback Capacitance Cre = 0.3 pF TYP. PACKAGE DIMENSIONS in millimeters 2.8±0.2 0.4 –0.05 +0.1 1.5 0.65 –0.15 +0.1 ORDERING INFORMATION 0.95 0.95 PART NUMBER 2SC4954-T1 QUANTITY 3 Kpcs/Reel. PACKING STYLE Embossed tape 8 mm wide. Pin3 (Collector) face to perforation side of the tape. Embossed tape 8 mm wide. Pin1 (Emitter), Pin2 (Base) face to perforation side of the tape. 2.9±0.2 2 3 2SC4954-T2 3 Kpcs/Reel. Marking 0.3 * Please contact with responsible NEC person, if you require evaluation sample. Unit sample quantity shall be 50 pcs. (Part No.: 2SC4954) 1.1 to 1.4 ABSOLUTE MAXIMU [ ... ]

2SC4954 PDF Datasheet Download