Question 1

What is 2N4399?

Accepted Answer

PNP Bipolar Transistor 2N4399

Question 2

What are the specifications of 2N4399?

Accepted Answer

Key specifications include: Type: PNP, Collector-Emitter Voltage, max: -60V, Collector-Base Voltage, max: -60V, Emitter-Base Voltage, max: -5V, Collector Current − Continuous, max: -30A, Collector Dissipation: 200W, DC Current Gain (hfe): 15to60, Transition Frequency, min: 4MHz, Operating and Storage Junction Temperature Range: -65 to +200°C, Package: TO-3

Question 3

What are equivalent components to 2N4399?

Accepted Answer

See the component details for equivalent parts.

2N4399 Transistor — Specifications & Equivalents

Key Specifications

Equivalent & Replacement Parts

Type	PNP
Collector-Emitter Voltage, max	-60V
Collector-Base Voltage, max	-60V
Emitter-Base Voltage, max	-5V
Collector Current − Continuous, max	-30A
Collector Dissipation	200W
DC Current Gain (hfe)	15to60
Transition Frequency, min	4MHz
Operating and Storage Junction Temperature Range	-65 to +200°C
Package	TO-3