VISHAY S822TRW, S822TW Datasheet

S822T/S822TW/S822TRW

Silicon NPN Planar RF Transistor

Observe precautions for handling.
Electrostatic sensitive device.

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

D

50 W input impedance at 945 MHz

D

Low noise figure

D

High power gain

Vishay Telefunken

21

94 9279

13 579

43

S822T Marking: 822
Plastic case (SOT 143)
1 = Collector, 2 = Emitter, 3 = Base, 4 = Emitter

2

1

13 56613 654

34

S822TRW Marking: WSF
Plastic case (SOT 343R)
1 = Collector, 2 = Emitter, 3 = Base, 4 = Emitter

1

2

13 653

3

4

S822TW Marking: W22
Plastic case (SOT 343)
1 = Collector, 2 = Emitter, 3 = Base, 4 = Emitter

13 566

Document Number 85050
Rev. 3, 20-Jan-99

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S822T/S822TW/S822TRW

Transition frequency

f

g

e ot

Real part of input impedance

Re

Vishay Telefunken

Absolute Maximum Ratings

T

= 25_C, unless otherwise specified

amb

Parameter Test Conditions Symbol Value Unit
Collector-base voltage V
Collector-emitter voltage V
Emitter-base voltage V
Collector current I
Total power dissipation T

≤ 125 °C P

amb

Junction temperature T
Storage temperature range T

CBO
CEO
EBO

C
tot

j

stg

Maximum Thermal Resistance

T

= 25_C, unless otherwise specified

amb

Parameter T est Conditions Symbol Value Unit

Junction ambient on glass fibre printed board (25 x 20 x 1.5) mm

3

R

thJA

plated with 35mm Cu

Electrical DC Characteristics

T

= 25_C, unless otherwise specified

amb

Parameter Test Conditions Symbol Min Typ Max Unit
Collector cut-off current VCE = 12 V, VBE = 0 I
Collector-base cut-off current VCB = 8 V, IE = 0 I
Emitter-base cut-off current VEB = 1 V, IC = 0 I
Collector-emitter breakdown voltage IC = 1 mA, IB = 0 V
Collector-emitter saturation voltage IC = 5 mA, IB = 0.5 mA V
DC forward current transfer ratio VCE = 3 V, IC = 1 mA h

CES
CBO
EBO

(BR)CEO

CEsat

FE

12 V

6 V
2 V
8 mA

30 mW

150

–65 to +150

450 K/W

6 V

0.1 0.4 V

40 90 150

°

C

°

C

100mA
100 nA

1

m

A

Electrical AC Characteristics

T

= 25_C, unless otherwise specified

amb

Parameter Test Conditions Symbol Min Typ Max Unit

VCE = 3 V, IC = 1 mA, f = 500 MHz
VCE = 2 V, IC = 1.5 mA, f = 500 MHz

Collector-base capacitance VCB = 1 V, f = 1 MHz C

ZS = Z
2 V, I

Noise figure

ZS = Z
3 V, IC = 1 mA

ZS = Z
2 V, IC = 1.5 mA

VCE = 2 V, IC = 0.5 mA, f = 450MHz 13.5 dB

Power gain VCE = 3 V, IC = 1 mA, f = 945 MHz Gpe @F

VCE = 2 V, IC = 1.5 mA, f = 945 MHz

Collector current for fT max VCE = 2 V, f = 500 MHz I

p

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p

p

VCE = 3 V, IC = 1 mA, f = 945 MHz
VCE = 2 V, IC = 1.5 mA, f = 945 MHz

, f = 450 MHz, VCE =

Sopt

= 0.5 mA

C

, f = 945 MHz, VCE =

Sopt

, f = 945 MHz, VCE =

Sopt

F

opt

(h11e)

T

cb

C

opt

4.7 GHz

5.2 GHz

0.2 pF

1.1 dB

1.8 dB

2 dB

12.5 dB

14.0 dB
3 mA

50
50

Document Number 85050

Rev. 3, 20-Jan-99

W
W

Common Emitter S–Parameters

VCE/V

IC/mA

f/MHz

2

S822T/S822TW/S822TRW

Vishay Telefunken

Z0 = 50 W,

T

= 25_C, unless otherwise specified

amb

S11 S21 S12 S22

LIN

MAG

100 0.974 –4.0 1.86 175.2 0.012 86.4 0.997 –2.3
200 0.967 –7.9 1.84 169.7 0.024 82.4 0.993 –4.8
300 0.956 –11.8 1.82 164.2 0.035 78.6 0.87 –6.9
400 0.941 –15.6 1.79 158.9 0.046 75.1 0.979 –9.3
500 0.926 –19.0 1.75 153.9 0.056 71.7 0.968 –11.4
600 0.907 –22.5 1.72 149.2 0.066 69.0 0.959 –13.1

0.5 700 0.890 –25.8 1.68 145.0 0.075 66.4 0.951 –15.2
800 0.870 –29.3 1.66 141.0 0.084 63.9 0.940 –16.9
900 0.851 –32.3 1.63 136.1 0.092 61.1 0.930 –18.8

1000 0.833 –35.6 1.60 132.6 0.099 59.0 0.924 –20.4
1100 0.814 –39.0 1.58 128.6 0.108 56.9 0.913 –22.2
1200 0.794 –42.4 1.57 124.9 0.115 54.8 0.904 –24.0
1300 0.773 –45.6 1.55 121.2 0.121 52.7 0.895 –25.7

100 0.919 –6.9 4.86 171.8 0.012 84.3 0.992 –3.6
200 0.897 –13.7 4.78 163.4 0.023 78.4 0.979 –7.1
300 0.864 –19.8 4.62 155.7 0.034 73.0 0.957 –10.2
400 0.824 –25.7 4.41 148.3 0.043 68.4 0.933 –13.0
500 0.781 –31.0 4.21 141.3 0.051 64.0 0.909 –15.6
600 0.735 –36.1 4.00 135.3 0.058 60.6 0.881 –17.3

1.5 700 0.693 –40.5 3.82 129.4 0.064 58.2 0.858 –19.2
800 0.647 –44.6 3.62 124.3 0.071 54.7 0.836 –20.7
900 0.605 –48.5 3.46 118.9 0.076 52.0 0.814 –22.3

1000 0.567 –52.4 3.30 114.3 0.081 49.8 0.796 –23.6
1100 0.526 –56.4 3.16 110.0 0.085 48.1 0.778 –24.9
1200 0.491 –60.1 3.04 105.7 0.090 46.1 0.763 –26.3
1300 0.458 –64.4 2.92 102.0 0.094 44.9 0.747 –27.5

ANG

deg deg deg deg

LIN

MAG

ANG

LIN

MAG

ANG

LIN

MAG

ANG

Document Number 85050
Rev. 3, 20-Jan-99

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