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Package: To-92<br />

2N4420, 2N4421, 2N4422<br />

HIGH-SPEED NPN SILICON SATURATED SWITCHING TRANSISTORS<br />

ABSOLUTE.MAXIMUM RATINGS<br />

Characteristics<br />

Unit<br />

Collector-Base Voltage ... : .............. ; ............... 40 Vdc<br />

Collector-Emitter Voltage ............................. 40 Vdc<br />

Collector-Emitter Voltage<br />

Applicable O. 01-200 mA ......................... 15 Vdc<br />

Emitter-Base Voltage ................................... 5.0 Vdc<br />

Collector Current ........................................ 200 mA<br />

Collector Current (10 us pulse) ................... 500 mA<br />

Total Device Dissipation @ T A = 250 C ....... 200 mW<br />

Derate above 250 C ............................. 2.0 mW/oC<br />

Total Device Dissipation @ T C = 250 C ....... 500 mW<br />

Derate above 250 C ............................ 5.0 mW/oC<br />

Operating Junction Temperature .................. 125 0c<br />

Storage Temperature Range ............. -55 to +125 0c<br />

FIGURE 1-ton a~d t<strong>of</strong>f TEST CIRCUIT<br />

+7.6V<br />

I KIl<br />

120Il<br />

To Sampling Scope<br />

Rise Time"::: I. 0 ns<br />

Input Z-IOO Kn'<br />

~<br />

Pulse Width ::::"'240 ns<br />

Ir, If

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