Question 1

What is 2N3643?

Accepted Answer

NPN Bipolar Transistor 2N3643

Question 2

What are the specifications of 2N3643?

Accepted Answer

Key specifications include: Type: NPN, Collector-Emitter Voltage, max: 30V, Collector-Base Voltage, max: 60V, Emitter-Base Voltage, max: 5V, Collector Current − Continuous, max: 0.5A, Collector Dissipation: 0.35W, DC Current Gain (hfe): 100to300, Transition Frequency, min: 250MHz, Operating and Storage Junction Temperature Range: -55 to +125°C, Package: TO-105

Question 3

What are equivalent components to 2N3643?

Accepted Answer

See the component details for equivalent parts.

2N3643 Transistor — Specifications & Equivalents

Key Specifications

Equivalent & Replacement Parts

Type	NPN
Collector-Emitter Voltage, max	30V
Collector-Base Voltage, max	60V
Emitter-Base Voltage, max	5V
Collector Current − Continuous, max	0.5A
Collector Dissipation	0.35W
DC Current Gain (hfe)	100to300
Transition Frequency, min	250MHz
Operating and Storage Junction Temperature Range	-55 to +125°C
Package	TO-105