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MP1557 PNP Transistor

The MP1557 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the MP1557 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The MP1557 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 MP1557 transistor as follows.

Circuit diagram symbol of the MP1557 transistor

MP1557 Transistor Specification

Transistor Code MP1557
Transistor Type BJT
Transistor Polarity PNP
Transistor Material Germanium(GE)
Package TO3
Collector Power Dissipation (Maximum) PC 106W
Collector-Base Voltage (Maximum) VCB 40V
Collector-Emitter Voltage (Maximum) VCE 20V
Collector Current (Maximum) IC 20A
Operating Junction Temperature (Maximum) TJ 110°C
Emitter-Base Voltage (Maximum) VEB 20V
Forward Current Transfer Ratio (hFE Value) 50
Transition Frequency FT 0.1MHz

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