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2SA1284 PNP Transistor

The 2SA1284 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the 2SA1284 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SA1284 transistor symbol shows an arrow from the emitter into the base. This means that the current flows from emitter to collector terminal.

Circuit diagram symbol of the 2SA1284 transistor as follows.

Circuit diagram symbol of the 2SA1284 transistor

2SA1284 Transistor Specification

Transistor Code 2SA1284
Transistor Type BJT
Transistor Polarity PNP
Transistor Material Silicon(SI)
Package TO92
Collector Power Dissipation (Maximum) PC 0.9W
Collector-Base Voltage (Maximum) VCB 100V
Collector-Emitter Voltage (Maximum) VCE 100V
Collector Current (Maximum) IC 0.5A
Operating Junction Temperature (Maximum) TJ 125°C
Emitter-Base Voltage (Maximum) VEB 5V
Forward Current Transfer Ratio (hFE Value) 55
Transition Frequency FT 130MHz
Collector Capacitance CC 11pF

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