[PDF] What is MPSA94 TRANSISTOR? (551739)

The MPSA94 is PNP Silicon Planar High Voltage Transistor made by Zetex Semiconductors.

Brief overview of the content in a MPSA94 PDF file

datasheetgo.com DataSheet 4 U com datasheetgo.com www datasheetgo.com PNP SILICON PLANAR HIGH VOLTAGE TRANSISTOR ISSUE 2 MARCH 94 FEATURES High voltage APPLICATIONS Telephone dialler circuit MPSA94 E B C TO92 ABSOLUTE MAXIMUM RATINGS PARAMETER Collector Base Voltage Collector Emitter Voltage Emitter Base Voltage Continuous Collector Current Power Dissipation at Tamb 25 C Operating and Storage Temperature Range SYMBOL VCBO VCEO VEBO IC Ptot Tj Tstg VALUE 400 400 6 300 625 55 to 150 UNIT V V V mA mW C ELECTRICAL CHARACTERISTICS at Tamb 25 C PARAMETER Collector Base Breakdown Voltage Collector Emitter Breakdown Voltage Collector Emitter Breakdown Voltage Emitter Base Breakdown Voltage Collector Cut Off Current Collector Cut Off Current Collector Emitter Saturation Voltage Base Emitter Saturation Voltage SYMBOL V BR CBO V BR CEO V BR CES V BR EBO ICBO ICES MIN 400 400 400 6 0 1 500 0 1 0 4 0 5 0 75 0 75 40 50 45 40 TYP MAX UNIT V V V V A datasheetgo.com CONDITIONS IC 100 A IE 0 IC 1mA IB 0 IC 100 A IE 0 IE 100 A IC 0 VCB 400V IE 0 VCE 400V VEB 4V IC 0 IC 1mA IB 0 1mA IC 10mA IB 1mA IC 50mA IB 5mA IC 10mA IB 1mA IC 1mA VCE 10V IC 10mA VCE 10V IC 50mA VCE 10V IC 100

[ Comprehensive information ]

Here are characteristics of PNP transistors:

Structure: A PNP transistor has a sandwich-like structure, consisting of a thin P-type layer (base) sandwiched between two N-type layers (emitter and collector).

Polarity: In a PNP transistor, the majority charge carriers are holes, which flow from the emitter to the collector. The emitter is negative relative to the base, and the collector is positive relative to the base.

Current flow: When a small current is applied to the base terminal, it allows a much larger current to flow from the emitter to the collector. This is called amplification or gain, and it makes the PNP transistor useful as an electronic switch or amplifier.

Voltage levels: The voltage levels in a PNP transistor are opposite to those in an NPN transistor. In a PNP transistor, the base-emitter junction is forward-biased and the collector-base junction is reverse-biased.

Biasing: PNP transistors are biased in the opposite direction to NPN transistors. To turn on a PNP transistor, the base must be more negative than the emitter, and to turn it off, the base must be more positive than the emitter.

Manufacturers : Zetex Semiconductors