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2SD637 NPN Transistor

The 2SD637 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2SD637 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 2SD637 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 2SD637 transistor as follows.

Circuit diagram symbol of the 2SD637 transistor

2SD637 Transistor Specification

Transistor Code 2SD637
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package X73
Collector Power Dissipation (Maximum) PC 0.4W
Collector-Base Voltage (Maximum) VCB 60V
Collector-Emitter Voltage (Maximum) VCE 50V
Collector Current (Maximum) IC 0.1A
Operating Junction Temperature (Maximum) TJ 135°C
Emitter-Base Voltage (Maximum) VEB 7V
Forward Current Transfer Ratio (hFE Value) 90
Transition Frequency FT 75MHz
Collector Capacitance CC 3.5pF

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