MPSA20
- Les principales caractéristique des transistors bipolaires. Caractéristiques techniques. Répertoire mondial des transistors. Marquage composant: MPSA20
Matériau utilisé: Si
Polarité du transistor: NPN
Puissance dissipable maximale pour une température du boitier de 25°C (Pc): 0.33
Tension collecteur–base (maximale) Ucb: 40
Tension maximale de VCE au delà de laquelle le transistor risque d'être détruit (Uce): 40
Tension émetteur–base (maximale) Ueb: 4
Courant collecteur maximal (Ic): 0.1
Température maximale de jonction (Tj), °C: 150
Fréquence maximale de fonctionnement fT: 125
Capacite collecteur (Cc), pF: 4
Gain en courant DC hFE (hfe): 40
Boitier: TO92
Recherche équivalences (un remplaçant pour le transistor MPSA20
) MPSA20
- Fiche technique PDF, Datasheet
1.1. mpsa20re.pdf  Size:412K _motorola  |
 |
200
100
200
8.0 dB
50 100
10 20 30 50 70 100 200 300 500 700 1 k 10 20 30 50 70 100 200 300 500 700 1 k
IC, COLLECTOR CURRENT (µA) IC, COLLECTOR CURRENT (µA)
Figure 5. Narrow Band, 100 Hz Figure 6. Narrow Band, 1.0 kHz
500 k
10 Hz to 15.7 kHz
200 k
100 k
50 k
Noise Figure is defined as:
20 k
en2 ) 4KTRS ) In 2RS2 1 2
10 k
NF + 20 log10
4KTRS
5 k
1.0 dB
en = Noise Voltage of the Transistor referred to the input. (Figure 3)
2 k
2.0 dB
In = Noise Current of the Transistor |
1.2. mpsa20.pdf Size:92K _fairchild_semi  |
 | OES NOT ASSUME ANY LIABILITY ARISING OUT OF
THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE
UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. THESE SPECIFICATIONS DO NOT EXPAND THE TERMS OF
FAIRCHILD’S WORLDWIDE TERMS AND CONDITIONS, SPECIFICALLY THE WARRANTY THEREIN, WHICH COVERS THESE
PRODUCTS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR
SYSTEMS WITHOUT T |
1.3. mpsa20_mpsa70.pdf Size:52K _central 1.4. mpsa20_2.pdf Size:105K _onsemi  |
 | TH = 1.0 Hz
BANDWIDTH = 1.0 Hz
50
IC = 1.0 mA
RS ??
RS = 0
20
300 mA
300 mA
10
10 100 mA
5.0
7.0
100 mA
2.0
5.0
1.0
10 mA
0.5 30 mA
30 mA
3.0
10 mA
0.2
2.0 0.1
10 20 50 100 200 500 1 k 2 k 5 k 10 k 10 20 50 100 200 500 1 k 2 k 5 k 10 k
f, FREQUENCY (Hz) f, FREQUENCY (Hz)
Figure 3. Noise Voltage Figure 4. Noise Current
500 k 1 M
500 k
BANDWIDTH = 1.0 Hz BANDWIDTH = 1.0 Hz
200 k
100 k 200 k
50 k 100 k
50 k
20 k
20 k
10 k
5 k 10 k
2.0 dB
1.0 dB
5 k
2 k
3.0 |
D'autres types de transistors... MPSA09
, MPSA10
, MPSA12
, MPSA13
, MPSA14
, MPSA16
, MPSA17
, MPSA18
, BC558
, MPSA25
, MPSA26
, MPSA27
, MPSA28
, MPSA29
, MPSA42
, MPSA43
, MPSA44
.
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