2N2221 Datasheet, PDF (1/4 Pages) Seme LAB – Bipolar NPN Device in a Hermetically sealed TO18 Metal Package.

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
Symbol
Ratings
V_CEO
V_CBO
V_EBO
I_C
P_D
T_J
T_Stg
Collector-Emitter Voltage
Collector-Base Voltage
Emitter-Base Voltage
Collector Current
Total Power Dissipation
Junction Temperature
Storage Temperature range
T_amb = 25°
T_case= 25°
Value
2N2221 2N2221A
2N2222 2N2222A
30
40
60
75
5
6
800
0.5
1.8
175
-65 to +200
Unit
V
V
V
mA
W
°C
°C
THERMAL CHARACTERISTICS
Symbol
Ratings
R_thJ-a
Thermal Resistance, Junction to ambient in free air
R_thJ-c
Thermal Resistance, Junction to case
Value
50
187.5
Unit
°C/W
°C/W
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