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Leshan Radio Company
Leshan Radio Company

LDTC143ZWT1G Datasheet Preview

LDTC143ZWT1G Datasheet

Bias Resistor Transistor

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LDTC143ZWT1G pdf
LESHAN RADIO COMPANY, LTD.
Bias Resistor Transistor
NPN Silicon Surface Mount Transistor
with Monolithic Bias Resistor Network
LDTC143ZWT1G
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
5 to +30
100
200
150
55 to +150
Unit
V
V
mA
mW
C
C
3
1
2
SOT–323 (SC–70)
1
BASE
R1
R2
3
COLLECTOR
2
EMITTER
DEVICE MARKING AND RESISTOR VALUES
Device
Marking R1 (K) R2 (K)
Shipping
LDTC143ZWT1G
8K
4.7 47 3000/Tape & Reel
LDTC143ZWT3G
8K
4.7 47 10000/Tape & Reel
zElectrical characteristics (Ta=25°C)
Parameter
Symbol Min.
Input voltage
VI(off)
VI(on)
1.3
Output voltage
VO(on)
Input current
II
Output current
IO(off)
DC current gain
GI 80
Input resistance
R1 3.29
Resistance ratio
R2/R1 8
Transition frequency
fT ∗ −
Characteristics of built-in transistor
Typ.
0.1
4.7
10
250
Max.
0.5
0.3
1.8
0.5
6.11
12
Unit
V
V
mA
µA
k
MHz
Conditions
VCC=5V, IO=100µA
VO=0.3V, IO=5mA
IO/II=5mA/0.25mA
VI=5V
VCC=50V, VI=0V
VO=5V, IO=10mA
VCE=10V, IE= −5mA, f=100MHz
1/3



Leshan Radio Company
Leshan Radio Company

LDTC143ZWT1G Datasheet Preview

LDTC143ZWT1G Datasheet

Bias Resistor Transistor

No Preview Available !

LDTC143ZWT1G pdf
zElectrical characteristic curves
100
VO=0.3V
50
20
10
5
Ta= −40°C
2
25°C
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)
LESHAN RADIO COMPANY, LTD.
LDTC143ZWT1G
10m
VCC=5V
5m
2m
1m
500µ
200µ Ta=100°C
100µ 25°C
50µ 40°C
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
500
Ta=100°C
200 25°C
40°C
100
50
20
10
5
VO=5V
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 LDTC143ZWT1G
Description Bias Resistor Transistor
Maker Leshan Radio Company
Total Page 3 Pages
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