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PDF AF178 Data sheet ( Hoja de datos )
| Número de pieza | AF178 | |
| Descripción | GERMANIUM ALLOY-DIFFUSED TRANSISTOR | |
| Fabricantes | Philips | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AF178 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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PHILIPS
TENTATIVE DATA
R.F. GERMANIUM
ALLOY-DIFFUSED TRANSISTOR
Germanium alloy-diffused transistor of the p-n-p type in a metal
case with low noise and high gain up to 260 Mc/s, for use in V . H . F .
applications as amplifier-, oscillator- and converter circuits.
r L I M I T I N G V A L U E S (Absolute max. values)
Collector
Voltage (base reference)
= max.
25 V
Current
= max.
10 mA
Emitter
Reverse current
= max.
1 mA
Base
Current
-Ig = max.
1 mA
Dissipation
Total dissipation
Ptot = max.
110 mW
Temperatures
Storage temperature
Junction temperature
continuous
incidentally (total dura-
tion max. 200 hrs)
THERMAL DATA
1s = -55 °C to+75 °C
iT = max.
T, = max.
= max.
'96 °C
'?9Q° °C
200 hrs)
Thermal resistance from junction
to ambience in free air
K = max. 0.4°C/mW
Shield load-
JANUARY 1964
PHILIPS ELECTRON TUBE DIVISION
1 page  
7Z01662-I.6.ajb
Measured with a length of leads between bottom of transistor and measuring jig of 3 mm
(mA/V)
10
5
r
1
0.5
0.2
0.1
2.
5 10 20 50 100 200 500 1000 gob (fjA/V) JOOOO
Typical output admittance in common base circuit
Measured with a length of leads between bottom of transistor and measuring Jig of 5 mm
The forward transfer .admittance is practically independent of -V^j above the knee voltage
-VrR=
7Z01664—!.6.ajb.
100 80 60 40 20 0 20 40 60 80 100
\yfb\(mA/V)
Typical forward transfer admittance in common base circuit
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet AF178.PDF ] | |
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