NPN 2N2221 – 2N2221A

2N2222 – 2N2222A

S

S

The 2N2221-A and 2N2222-A are NPN transistors mounted in TO-18 metal case .

They are designed for high-speed switching applications and feature useful current

gain over a wide range of collector current, low leakage currents and low saturation

voltages.

Compliance to RoHS

ABSOLUTE MAXIMUM RATINGS

Symbol

Ratings

Value

Unit

2N2221

2N2222

2N2221A

2N2222A

Collector-Emitter Voltage

30

40

V

Collector-Base Voltage

60

75

V

Emitter-Base Voltage

5

6

V

Collector Current

800

mA

Total Power Dissipation

0.5

W

1.8

Junction Temperature

175

°C

Storage Temperature range

-65 to +200

°C

THERMAL CHARACTERISTICS

Symbol

Ratings

Value

Unit

Thermal Resistance, Junction to ambient in free air

50

°C/W

Thermal Resistance, Junction to case

187.5

°C/W