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KSB1121 PNP Transistor

The KSB1121 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the KSB1121 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The KSB1121 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 KSB1121 transistor as follows.

Circuit diagram symbol of the KSB1121 transistor

KSB1121 Transistor Specification

Transistor Code KSB1121
Transistor Type BJT
Transistor Polarity PNP
Transistor Material Silicon(SI)
Package SOT89
Transistor SMD Code 1121
Collector Power Dissipation (Maximum) PC 0.5W
Collector-Base Voltage (Maximum) VCB 30V
Collector-Emitter Voltage (Maximum) VCE 25V
Collector Current (Maximum) IC 2A
Operating Junction Temperature (Maximum) TJ 150°C
Emitter-Base Voltage (Maximum) VEB 6V
Forward Current Transfer Ratio (hFE Value) 140
Transition Frequency FT 150MHz
Collector Capacitance CC 32pF

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