LESHAN RADIO COMPANY, LTD.
Bias Resistor Transistor
NPN Silicon Surface Mount Transistor
with Monolithic Bias Resistor Network
•
•
Applications
Inverter, Interface, Driver
3
LDTC125TET1G
Features
1) Built-in bias resistors enable the configuration of an
inverter circuit without connecting external input
resistors (see equivalent circuit).
2) The bias resistors consist of thin-film resistors with
complete isolation to allow positive biasing of the input.
They also have the advantage of almost completely
eliminating parasitic effects.
3) Only the on/off conditions need to be set for operation,
making the device design easy.
We declare that the material of product compliance with
RoHS requirements.
1
BASE
1
2
SC-89
•
R1
3
COLLECTOR
Absolute maximum ratings
(Ta=25°C)
Parameter
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
Collector power dissipation
Junction temperature
Storage temperature
Symbol
V
CBO
V
CEO
V
EBO
I
C
Pc
Tj
Tstg
Limits
50
50
5
100
200
150
−55
to
+150
Unit
V
V
V
mA
mW
°C
°C
2
EMITTER
DEVICE MARKING AND RESISTOR VALUES
Device
LDTC125TET1G
LDTC125TET3G
Marking
H7
H7
R1 (K)
200
200
R2 (K)
Shipping
3000/Tape & Reel
10000/Tape & Reel
Electrical characteristics
(Ta=25°C)
Parameter
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Collector cutoff current
Emitter cutoff current
Collector-emitter saturation voltage
DC current transfer ratio
Input resistance
Transition frequency
∗
Characteristics of built-in transistor
Symbol
BV
CBO
BV
CEO
BV
EBO
I
CBO
I
EBO
V
CE(sat)
h
FE
R
1
f
T
∗
Min.
50
50
5
−
−
−
100
140
−
Typ.
−
−
−
−
−
−
250
200
250
Max.
−
−
−
0.5
0.5
0.3
600
260
−
Unit
V
V
V
µA
µA
V
−
kΩ
MHz
I
C
=
50µA
I
C
=
1mA
I
E
=
50µA
V
CB
=
50V
V
EB
=
4V
I
C
=
0.5mA , I
B
=
0.05mA
I
C
=
1mA , V
CE
=
5V
−
V
CE
=
10V , I
E
=
−5mA
, f
=
100MHz
Conditions
1/3
LESHAN RADIO COMPANY, LTD.
LDTC125TET1G
Electrical characteristic curves
1k
500
1
500m
200m
100m
50m
20m
10m
5m
2m
1m
10µ
20µ
50µ 100µ 200µ
500µ 1m
2m
5m
10m
V
CE
=5V
COLLECTOR SATURATION VOLTAGE : V
CE(sat)
(V)
Ta=100°C
I
C
/I
B
=10/1
DC CURRENT GAIN : h
FE
200
100
50
20
10
5
2
1
10µ
20µ
50µ 100µ 200µ
500µ 1m
2m
5m
10m
Ta=25°C
Ta=
−40°C
Ta=100°C
Ta=25°C
Ta=
−40°C
COLLECTOR CURRENT : I
C
(A)
COLLECTOR CURRENT : I
C
(A)
Fig.1 DC current gain
vs. Collector current
Fig.2 Collector-Emitter saturation voltage
vs. Collector current
2/3
LESHAN RADIO COMPANY, LTD.
LDTC125TET1G
SC-89
NOTES:
1.DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2.CONTROLLING DIMENSION: MILLIMETERS
3.MAXIMUM LEAD THICKNESS INCLUDES LEAD
FINISH THICKNESS. MINIMUM LEAD THICKNESS
IS THE MINIMUM THICKNESS OF BASE
MATERIAL.
4.463C-01 OBSOLETE, NEW STANDARD 463C-02.
3/3
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