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NPN 2N2221 – 2N2221A 2N2222 – 2N2222A
SWITCHING SILICON TRANSISTORS
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 Value Symbol Ratings
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2N2221 2N2222
30 60 5
2N2221A 2N2222A
40 75 6 800
Unit
VCEO VCBO VEBO IC PD
Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage Collector Current Tamb = 25° Total Power Dissipation Tcase= 25°
V V V mA W
0.5 1.