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Leshan Radio Company
Leshan Radio Company

LDTC143XWT1G Datasheet Preview

LDTC143XWT1G Datasheet

Bias Resistor Transistor

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LDTC143XWT1G pdf
LESHAN RADIO COMPANY, LTD.
Bias Resistor Transistor
NPN Silicon Surface Mount Transistor
with Monolithic Bias Resistor Network
LDTC143XWT1G
Applications
Inverter, Interface, Driver
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.
zAbsolute maximum ratings (Ta=25°C)
Parameter
Supply voltage
Input voltage
Output current
Power dissipation
Junction temperature
Storage temperature
Symbol
VCC
VIN
IC
PD
Tj
Tstg
Limits
50
7 to +20
100
200
150
55 to +150
Unit
V
V
mA
mW
C
C
3
1
2
SC-70
1
BASE
R1
R2
3
COLLECTOR
2
EMITTER
DEVICE MARKING AND RESISTOR VALUES
Device
Marking R1 (K) R2 (K)
Shipping
LDTC143XWT1G
M1
4.7 10 3000/Tape & Reel
LDTC143XWT3G M1
4.7 10 10000/Tape & Reel
zElectrical characteristics (Ta=25°C)
Parameter
Symbol
Input voltage
VI(off)
VI(on)
Output voltage
VO(on)
Input current
II
Output current
IO(off)
DC current gain
GI
Input resistance
R1
Resistance ratio
R2/R1
Transition frequency
fT
Characteristics of built-in transistor
Min.
2.5
30
3.29
1.7
Typ.
0.1
4.7
2.1
250
Max.
0.3
0.3
1.8
0.5
6.11
2.6
Unit
V
V
mA
µA
k
MHz
Conditions
VCC=5V, IO=100µA
VO=0.3V, IO=20mA
IO/II=10mA/0.5mA
VI=5V
VCC=50V, VI=0V
VO=5V, IO=10mA
VCE=10V, IE=−5mA, f=100MHz
1/3



Leshan Radio Company
Leshan Radio Company

LDTC143XWT1G Datasheet Preview

LDTC143XWT1G Datasheet

Bias Resistor Transistor

No Preview Available !

LDTC143XWT1G pdf
LESHAN RADIO COMPANY, LTD.
LDTC143XWT1G
zElectrical characteristic curves
100 VO=0.3V
50
20
10
5 Ta=−40°C
25°C
2 100°C
1
500m
200m
100m
100µ 200µ 500µ 1m 2m 5m 10m 20m 50m 100m
OUTPUT CURRENT : IO (A)
Fig.1 Input voltage vs. output current
(ON characteristics)
10m
5m VCC=5V
2m
1m
500µ
Ta=100°C
200µ 25°C
100µ 40°C
50µ
20µ
10µ
5µ
2µ
1µ
0 0.5 1.0 1.5 2.0 2.5 3.0
INPUT VOLTAGE : VI(off) (V)
Fig.2 Output current vs. input voltage
(OFF characteristics)
1k
VO=5V
500
Ta=100°C
200 25°C
40°C
100
50
20
10
5
2
1
100µ 200µ 500µ 1m 2m
5m 10m 20m 50m 100m
OUTPUT CURRENT : IO (A)
Fig.3 DC current gain vs. output
current
1
lO/lI=20
500m
200m Ta=100°C
25°C
100m 40°C
50m
20m
10m
5m
2m
1m
100µ 200µ 500µ 1m 2m 5m 10m 20m 50m 100m
OUTPUT CURRENT : IO (A)
Fig.4 Output voltage vs. output
current
2/3


Part Number LDTC143XWT1G
Description Bias Resistor Transistor
Maker Leshan Radio Company
Total Page 3 Pages
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