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3DD4540A7 NPN Transistor

The 3DD4540A7 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 3DD4540A7 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 3DD4540A7 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 3DD4540A7 transistor as follows.

Circuit diagram symbol of the 3DD4540A7 transistor

3DD4540A7 Transistor Specification

Transistor Code 3DD4540A7
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO126F
Collector Power Dissipation (Maximum) PC 50W
Collector-Base Voltage (Maximum) VCB 800V
Collector-Emitter Voltage (Maximum) VCE 450V
Collector Current (Maximum) IC 4A
Operating Junction Temperature (Maximum) TJ 150°C
Emitter-Base Voltage (Maximum) VEB 9V
Forward Current Transfer Ratio (hFE Value) 20
Transition Frequency FT 5MHz

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