Question 1

What is 2N4904?

Accepted Answer

PNP Bipolar Transistor 2N4904

Question 2

What are the specifications of 2N4904?

Accepted Answer

Key specifications include: Type: PNP, Collector-Emitter Voltage, max: -40V, Collector-Base Voltage, max: -40V, Emitter-Base Voltage, max: -5V, Collector Current − Continuous, max: -5A, Collector Dissipation: 87.5W, DC Current Gain (hfe): 25to100, Transition Frequency, min: 4MHz, Operating and Storage Junction Temperature Range: -65 to +200°C, Package: TO-3

Question 3

What are equivalent components to 2N4904?

Accepted Answer

See the component details for equivalent parts.

2N4904 Transistor — Specifications & Equivalents

Key Specifications

Equivalent & Replacement Parts

Type	PNP
Collector-Emitter Voltage, max	-40V
Collector-Base Voltage, max	-40V
Emitter-Base Voltage, max	-5V
Collector Current − Continuous, max	-5A
Collector Dissipation	87.5W
DC Current Gain (hfe)	25to100
Transition Frequency, min	4MHz
Operating and Storage Junction Temperature Range	-65 to +200°C
Package	TO-3