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MS1261 NPN Transistor

The MS1261 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the MS1261 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The MS1261 transistor symbol shows an arrow from the base into the emitter. This means that the current flows from collector terminal to emitter terminal.

Circuit diagram symbol of the MS1261 transistor as follows.

Circuit diagram symbol of the MS1261 transistor

MS1261 Transistor Specification

Transistor Code MS1261
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package SOT122
Collector Power Dissipation (Maximum) PC 34W
Collector-Base Voltage (Maximum) VCB 36V
Collector-Emitter Voltage (Maximum) VCE 18V
Collector Current (Maximum) IC 2.5A
Operating Junction Temperature (Maximum) TJ 200°C
Emitter-Base Voltage (Maximum) VEB 4V
Forward Current Transfer Ratio (hFE Value) 20
Transition Frequency FT 175MHz
Collector Capacitance CC 45pF

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