TELE-TECH & - AmericanRadioHistory.Com

ovide 300 mw audio output
with absolute minimum distortion
nsistors 2N226, 2N22
ailable in matched pair
Regardless of your requirements in medium
power audio circuits, Philco "Audio- Trio" PNP
transistors provide driver and push -pull performance
at maximum power with minimum distortion
... over a wide range of operating voltages !
Extremely linear DC current amplification up to
100 milliamperes of collector current assures low
distortion output at battery supply voltages of 3 to
12 volts in class B push -pull operation.
Philco "Audio- Trio" transistors are specifically
designed for the audio stages of transistorized
radios. Available in production quantities, Philco
"Audio- Trio" PNP transistors have inherent stability
. . . excellent uniformity . . . reliability
assured by meticulous manufacturing control and
absolute hermetic sealing. Put these ideal characteristics
to use in your mass produced electronic
products.
PHILCO PNP GERMANIUM TYPE ALLOY
JUNCTION TRANSISTOR
2 N224 2 N226 2 N223
MAXIMUM RATINGS
(absolute values)
Collector Voltage (v) -25 -25 -18
Collector Currents (ma) -150 --150 -60
Collector Dissipation
at 45 °C (mw) (with heat sink) 100 100 100
Storage Temperature ( °C) -40 to +65 -40 to +65 -40 to +65
TYPICAL OPERATION
Collector Voltage (v) -.6 -.6 -4.5
Collector Current (ma) -100 -100 -2
Large Signal Beta 65 35
Alpha .985
Saturation Voltage (v) -.25 --.25
Base Input Voltage (v) -.30 --.35
Output Impedance
(megohms) 1
For Complete Technical information write Dept. TT -4.
LANSDALE TUBE COMPANY, A Division of Philco Corporation, Lansdale, Penna.
PH II CO '7ORPO ..A.TION
LANSDALE TUBE COMPANY DIVISION