Collector-Emitter Sustaining Vortage-
VCEO(SUS) =60 V (Min) -TIP120, TIP125
=80 V (Min) -TIP121, TIP126
=100 V (Min) -TIP122, TIP127
Collector-Emitter Saturation Voltage
VCE(sat) = 2.0 V (Max.) @ lc =3.0 A
Monolithic Construction with Built-in Base-Emitter Shunt Resistor