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PDF S852T Data sheet ( Hoja de datos )
| Número de pieza | S852T | |
| Descripción | Silicon NPN Planar RF Transistor | |
| Fabricantes | Vishay Telefunken | |
| Logotipo |  |
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Silicon NPN Planar RF Transistor
S852T/S852TW
Vishay Telefunken
Electrostatic sensitive device.
Observe precautions for handling.
Applications
For low noise and high gain broadband amplifiers at
collector currents from 0.2 mA to 5 mA.
Features
D Low supply voltage
D Low current consumption
WD 50 input impedance at 945 MHz
D Low noise figure
D High power gain
11
94 9280
23
S852T Marking: 852
13 581
1 = Collector, 2 = Base, 3 = Emitter
13 652
23
S852TW Marking: W52
Plastic case (SOT 323)
1 = Collector, 2 = Base, 3 = Emitter
13 570
Absolute Maximum Ratings
Tamb = 25_C, unless otherwise specified
Parameter
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
Total power dissipation
Junction temperature
Storage temperature range
Test Conditions
Tamb ≤ 125 °C
Symbol
VCBO
VCEO
VEBO
IC
Ptot
Tj
Tstg
Value
12
6
2
8
30
150
–65 to +150
Unit
V
V
V
mA
mW
°C
°C
Maximum Thermal Resistance
Tamb = 25_C, unless otherwise specified
Parameter
Test Conditions
Junction ambient on glass fibre printed board (25 x 20 x 1.5) mm3
mplated with 35 m Cu
Symbol
RthJA
Value
450
Unit
K/W
Document Number 85052
Rev. 3, 20-Jan-99
www.vishay.de • FaxBack +1-408-970-5600
1 (7)
1 page  
WVCE = 2 V, IC = 1.5 mA , Z0 = 50
S11
j0.5
j
j2
j0.2 j5
0
ÁÁÁÁ0.2 ÁÁÁÁ0.5 ÁÁ1ÁÁÁÁ2ÁÁÁÁ5ÁÁ
1
100
1300MHz
–j0.2
900 500 –j5
–j0.5
–j2
13 562
–j
S21
Figure 4. Input reflection coefficient
90°
120°
60°
150° 500
900
1300MHz
100
180°
2
30°
4 0°
–150°
–30°
13 564
–120°
–60°
–90°
Figure 5. Forward transmission coefficient
S852T/S852TW
Vishay Telefunken
S12
120°
150°
90° 1300MHz
900
500
30°
100
180° 0.04 0.08 0°
–150°
–30°
13 563
–120°
–60°
–90°
Figure 6. Reverse transmission coefficient
S22
j
j0.5 j2
j0.2 j5
0 ÁÁÁÁ0.2ÁÁÁÁ0.5 ÁÁÁÁ1 ÁÁÁÁ2 ÁÁ5ÁÁ100 1
1300MHz
–j0.2
–j5
–j0.5
–j2
13 565
–j
Figure 7. Output reflection coefficient
Document Number 85052
Rev. 3, 20-Jan-99
www.vishay.de • FaxBack +1-408-970-5600
5 (7)
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet S852T.PDF ] | |
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