SEMTECH_ELEC ST2SC1907

ST 2SC1907
NPN Silicon Epitaxial Planar Transistor
for UHF TV Tuner and Local Oscillator.
The transistor is subdivided into
according to its DC current gain.
one group,
On special request, these transistors can be
manufactured in different pin configurations.
TO-92 Plastic Package
Weight approx. 0.19g
Absolute Maximum Ratings (Ta = 25 OC)
Symbol
Value
Unit
Collector Base Voltage
VCBO
30
V
Collector Emitter Voltage
VCEO
19
V
Emitter Base Voltage
VEBO
2
V
Collector Current
IC
50
mA
Emitter Current
-IE
50
mA
Power Dissipation
Ptot
300
mW
Tj
150
O
-55 to +150
O
Junction Temperature
Storage Temperature Range
TS
C
C
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 07/12/2002
ST 2SC1907
Characteristics at Tamb=25 OC
Symbol
Min.
Typ.
Max.
Unit
hFE
40
-
-
-
V(BR)CBO
30
-
-
V
V(BR)CEO
19
-
-
V
V(BR)EBO
2
-
-
V
ICBO
-
-
0.5
μA
VCE(sat)
-
0.2
1
V
fT
900
1100
-
MHz
COB
-
1
2
pF
-
10
25
ps
-
8
-
mW
DC Current Gain
at VCE=10V, IC=10mA
Current Gain Group
Collector Base Breakdown voltage
at IC =10 μA
Collector Emitter Breakdown Voltage
at IC =3mA
Emitter Base Breakdown Voltage
at IE =10 μA
Collector Cutoff Current
at VCB=10V
Collector Emitter Saturation Voltage
at IC=20mA, IB=4mA
Transition Frequency
at VCE=10V, IC=10mA
Collector Output Capacitance
at VCB=10V, f=1MHz
Base Time Constant
at VCB=10V, IC=10mA
f= 31.8 MHz
rbb’
‧ Cc
Oscillation Output Power
at VCB=10V, IC=10mA
Pout
f= 930 MHz
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 07/12/2002
ST 2SC1907
Typical Output Characteristics
Maximum Collector Dissipation Curve
(mA)
110
=3
00
mW
100
Collector Current Ic
Collector Power Dissipation P C (mW)
120
90
80
70
60
50
40
30
20
IB=10μA
Ambient Temperature Ta ( ℃ )
Collector to Emitter Voltage VCE (V)
D C C u r r e n t G a i n v s.
Co l l e c t o r Cu r r e n t
Typical Transfer Characteristics
VC E=10V
V CE=10V
Collector Current I
DC Current Gain
C
(mA)
PC
130
Base Emitter Voltage V BE (V)
C o l l e c t o r C u r r e n t IC ( m A )
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 07/12/2002
ST 2SC1907
Base Time Constant vs
Collector Current
Base Time Constant r bb․CC (PS)
Transition Frequency f T (MHz)
Transition Frequency vs.
Collector Current
VC E=10V
VCB=10V
C o l l e c t o r C u r r e n t IC ( m A )
C o l l e c t o r C u r r e n t IC ( m A )
y rb = g rb+jb rb
1200 MHz
1000
900
800
400MHz
600
IC
1000
Input Conductance g ib (mS)
5m
A
1200
A
A
VCB=10V
Input end short
10 m
V CB=10V
Output end short
800
900
400
m
=5
mA
10 m
A
15
mA
=1
5
600
IC
Input Suceptance b ib (mS)
y ib = g ib+jb ib
Reverse Transfer Admittance
Characteristics
Reverse Transfer Conductance g rb (mS)
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 07/12/2002
Reverse Transfer Suceptance brb (mS)
Input Admittance Characteristics
ST 2SC1907
Output Admittance Characteristics
yob = gob + jbob
yfb = gfb+jbfb
600
800
VCB=10V
output end short
900
1000
IC
1 0 =5 m
15 mA A
mA
A
A
mA
5m
5m
=1
10
Output Suceptance bob(mS)
400MHz
IC
Forward Transfer Suceptance bfb (mS)
Forward Transfer Admittance
Characteristics
V CB=10V
Input end short
1200
Forward Transfer Conductance
gfb (mS)
Output Conductance gob (mS)
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 07/12/2002