QST4 Rohm, QST4 Datasheet

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QST4

Manufacturer Part Number
QST4
Description
Low frequency amplifier
Manufacturer
Rohm
Datasheet

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Transistors
Low frequency amplifier
QST4
Low frequency amplifier
Driver
1) A collector current is large.
2) V
∗2
∗3
∗1
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Collector cutoff current
Emitter cutoff current
Collector-emitter saturation voltage
DC current gain
Transition frequency
Collector output capacitance
∗ Pulsed
Application
Features
Absolute maximum ratings (Ta=25°C)
Electrical characteristics (Ta=25°C)
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
Power dissipation
Junction temperature
Range of storage temperature
Each Termminal Mounted on a Recommended
Single pulse, P
Mounted on a
At I
CE(sat)
C
=−1.5A / I
: max. −250mV
Parameter
25mm×25mm×
W
Parameter
=1ms
B
=−30mA
t
0.8mm Ceramic substrate
Symbol
V
V
V
Tstg
I
P
CBO
CEO
I
Tj
EBO
CP
C
C
Symbol
V
BV
BV
BV
−55 to +150
Cob
I
I
CE(sat)
h
CBO
EBO
f
FE
CBO
CEO
EBO
T
Limits
1.25
−15
−12
500
150
−6
−3
−6
Min.
−15
−12
270
−6
Unit
mW
°C
°C
W
V
V
V
A
A
∗1
∗2
∗3
−120
Typ.
280
30
External dimensions (Unit : mm)
ROHM : TSMT6
−100
−100
−250
Max.
Equivalent circuit
680
QST4
(6)
(1)
MHz
Unit
mV
nA
nA
pF
(5)
(2)
V
V
V
Abbreviated symbol : T04
Each lead has same dimensions
I
I
I
V
V
I
V
V
V
C
C
E
C
CB
EB
CE
CE
CB
=−10µA
=−10µA
=−1mA
=−1.5A, I
(4)
(3)
=−6V
=−15V
=−2V, I
=−2V, I
=−10V, I
Conditions
C
E
B
=−30mA
=−500mA
=500mA, f=100MHz
E
=0A, f=1MHz
Rev.C
QST4
1/2

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QST4 Summary of contents

Page 1

... CBO − − −100 I EBO − −120 −250 V CE(sat) − h 270 680 FE − − f 280 T − − Cob 30 QST4 Each lead has same dimensions Abbreviated symbol : T04 (5) (4) (2) (3) Unit Conditions =−10µ =−1mA =−10µ =−15V =− ...

Page 2

... COLLECTOR CURRENT : I Fig.3 Base−emitter saturation voltage vs.collector current 1000 I f=1MHz Ta=25 Cib Cob 100 10 0.001 0.01 0 EMITTER TO BASE VOLTAGE : V COLLECTOR TO BASE VOLTAGE : V Fig 6. Collector output capacitance vs. collector-base voltage Emitter input capacitance vs. emitter-base volatage Rev.C QST4 =0A C °C 100 (V) EB (V) CB 2/2 ...

Page 3

... Any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. ROHM CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any ...

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