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Leshan Radio Company
Leshan Radio Company

LDTC123EWT3G Datasheet Preview

LDTC123EWT3G Datasheet

Bias Resistor Transistor

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LDTC123EWT3G pdf
LESHAN RADIO COMPANY, LTD.
Bias Resistor Transistor
NPN Silicon Surface Mount Transistor
with Monolithic Bias Resistor Network
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
Symbol
Supply voltage
Input voltage
Output current
Power dissipation
Junction temperature
Storage temperature
VCC
VIN
IO
IC(Max.)
Pd
Tj
Tstg
Limits
50
10 to +12
100
100
150
150
55 to +150
LDTC123EWT1G
3
1
2
SOT–323 (SC–70)
1
BASE
R1
R2
Unit
V
V
mA
mW
°C
°C
3
COLLECTOR
2
EMITTER
DEVICE MARKING AND RESISTOR VALUES
Device
Marking R1 (K) R2 (K)
Shipping
LDTC123EWT1G
N1
2.2 2.2 3000/Tape & Reel
LDTC123EWT3G N1
2.2 2.2 10000/Tape & Reel
zElectrical characteristics (Ta=25°C)
Parameter
Symbol Min.
Input voltage
VI(off)
VI(on)
3
Output voltage
VO(on)
Input current
II
Output current
IO(off)
DC current gain
GI 20
Input resistance
R1 1.54
Resistance ratio
Transition frequency
R2/R1
fT
0.8
Characteristics of built-in transistor
Typ.
0.1
2.2
1
250
Max.
0.5
0.3
3.8
0.5
2.86
1.2
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=20mA
VCE=10V, IE= −5mA, f=100MHz
1/3



Leshan Radio Company
Leshan Radio Company

LDTC123EWT3G Datasheet Preview

LDTC123EWT3G Datasheet

Bias Resistor Transistor

No Preview Available !

LDTC123EWT3G pdf
z Electrical characteristic curves
100
VO=0.3V
50
20
10
Ta=−40°C
5 25°C
100°C
2
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)
1
lO/lI=20
500m
200m
100m
50m
Ta=100°C
20m 25°C
40°C
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
LESHAN RADIO COMPANY, LTD.
LDTC123EWT1G
10m
5m VCC=5V
2m Ta=100°C
1m 25°C
500µ 40°C
200µ
100µ
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
200
100 Ta=100°C
25°C
50 40°C
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
2/3


Part Number LDTC123EWT3G
Description Bias Resistor Transistor
Maker Leshan Radio Company
Total Page 3 Pages
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