T EVIS i - AmericanRadioHistory.Com
T EVIS i - AmericanRadioHistory.Com
T EVIS i - AmericanRadioHistory.Com
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CBS-HYTRON<br />
TRANSISTORS<br />
CBS- HTTRON<br />
PT -2A<br />
Moisture- resistant<br />
Plug -in or solder -in<br />
Sturdy triangular basing<br />
GERMANIUM<br />
CRYSTAL<br />
IMPREGNATED<br />
RUGGED CASE<br />
ACTUAL SIZE<br />
Polarized base connections<br />
Auto -electronically formed<br />
CATWHISKERS . WELDED<br />
CONNECTIONS<br />
Thoroughly stabilized<br />
TINNED<br />
COPPER -CLAD<br />
STEEL LEAD WIRES<br />
(.015 DIAM.)<br />
NICKEL<br />
SILVER PINS (3)<br />
CBS- HTTRON<br />
Operate up to 55<br />
C<br />
ENLARGED 4 TIMES<br />
AND YOU CAN BUY THEM NOW!<br />
Already a major producer of germanium diodes. CBS -Hytron<br />
now offers you prompt delivery of transistors: Point -contact<br />
CBS -Hytron PT -2A (for amplifying) and PT -2S (for switching).<br />
Both have stable characteristics and are guaranteed moisture -<br />
resistant. Note flexible leads welded to base pins. You may solder<br />
flexible leads into circuit. Or snip them to use stiff base pins in<br />
CBS -Hytron type T -2 socket.<br />
Triangular arrangement of base pins is stronger ... avoids bent<br />
pins. Easy -to-remember basing layout simulates basing symbol<br />
(see diagram). Polarization makes socket connections foolproof.<br />
You are assured of uniformly optimum characteristics by electronic<br />
control of pulse forming. Thorough aging achieves maximum<br />
stability. You may operate these transistors up to 55 °C.<br />
And you can order both CBS -Hytron PT -2A and PT -2S for<br />
immediate delivery.<br />
EMITTER<br />
MECHANICAL FEATURES<br />
1. Single -ended construction gives maximum mechanical stability.<br />
2. Rugged triangular basing design resists shock and vibration.<br />
3. Dual- purpose connections permit use of flexible leads or stiff plug -in base pins.<br />
4. Direct soldering of germanium wafer to base support guarantees positive contact,<br />
ovoids flaking.<br />
S. Glass -filled plastic case and high -temperature impregnating wax assure moisture.<br />
resistant, trouble free operation.<br />
COIIECTOe<br />
e RAM<br />
Transistor<br />
Symbol<br />
BASING AND SOCKET<br />
EMITTER COLLE TOR<br />
Basing Diagram<br />
(bottom view)<br />
CBS -Hytron<br />
T -2 socket<br />
Note similarity of pin layout to that of transistor<br />
symbol. CBS -Hytron type T -2 transistor<br />
socket features groove to guide pins<br />
into socket. Also anti-burn-out design to insure<br />
that base connection of transistor will<br />
always be made first.<br />
11. CONSTANT COLLECTOR r<br />
DISSIPATION 100MW MAX<br />
..la MAC<br />
2OMA - ..CBS-HYrRON<br />
/aaaaam<br />
6F<br />
1<br />
TYPICAL COLLECTOR<br />
PT -2A<br />
-<br />
COLLECTOR VOLTAGE. Vc IVOLTS)<br />
-<br />
MEASURING CIRCUIT FOR<br />
COS -HYTRON PT -2S<br />
rE- ICy<br />
VÉ<br />
2000+-<br />
(<br />
IÓV<br />
EMITTER CHARACTERISTICS<br />
CAS-HYTRON PT-25<br />
IvOLisl<br />
O a a<br />
a<br />
-A V's IVOLTsI<br />
WRITE FOR DATA. <strong>Com</strong>plete free data on CBS -Hytron<br />
PT -2A and PT -2S ... and the T -2 socket ... are yours for<br />
the asking.<br />
RECEIVING ...TRANSMITTING ... SPECIAL - PURPOSE<br />
6<br />
AND TV PICTURE<br />
TUBES<br />
MANUFACTURERS OF RECEIVING TUBES SINCE 1921<br />
HYTRON RADIO AND ELECTRONICS CO.<br />
A Division of Columbia Broadcasting System, Inc,<br />
Main Office: Danvers, Massachusetts<br />
GERMANIUM DIODES AND TRANSISTORS<br />
RADIO & TEL<strong>EVIS</strong>ION NEWS
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