LRC-LDTD143ELT1G

Part #LRC-LDTD143ELT1G
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LRC-LDTD143ELT1G
LESHAN RADIO COMPANY, LTD.  
Bias Resistor
T
r
ansistor  
NPN Silicon Surface Mount Transistor  
with Monolithic Bias Resistor Network  
LDTD143ELT1G  
S-LDTD143ELT1G  
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).  
3
1
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.  
2
SOT-23  
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.  
S- Prefix for Automotive and Other Applications Requiring Unique Site  
3
R1  
R2  
COLLECTOR  
and Control Change Requirements; AEC-Q101 Qualified and PPAP Capable  
1
BASE  
z
Absolute maximum ratings
(
T
a
=25
°
C)  
2
Limits  
Parameter  
Symbol  
Unit  
EMITTER  
Supply voltage  
V
CC  
V
V
50  
−
10 to +30  
500  
Input voltage  
V
IN  
Output current  
I
C
mA  
mW  
°
C  
Power dissipation  
Junction temperature  
Storage temperature  
P
D
200  
Tj  
Tstg  
150  
−
55 to +150  
°
C  
DEVICE MARKING AND RESISTOR VALUES  
Device  
Marking  
R1 (K)  
R2 (K)  
Shipping  
LDTD143ELT1G  
4.7  
E6  
4.7  
3000/
T
a
pe & Reel  
10000/
T
a
pe & Reel  
S-LDTD143ELT1G  
LDTD143ELT3G  
S-LDTD143ELT3G  
E6  
4.7  
4.7  
z
Electrical characteristics
(
T
a
=25
°
C)  
Parameter  
Input voltage  
Symbol Min.  
Typ.  
Max.  
0.5  
−
Unit  
V
Conditions  
V
V
I (off)  
I (on)  
−
3
−
−
V

CC

=5V, I  
=0.3V, I  
/ I =50mA / 2.5mA  
=5V  

CC

=50V, V  
=5V, I
 
=50mA  
O
=100
µ
A  
V
O  
O
=20mA  
Output voltage  
Input current  
V
O (on)  
−
0.1  
−
0.3  
1.8  
0.5  
−
V
mA  
µ
A  
−
I
O
I
I
I
−
V
V
V
I
Output current  
DC current gain  
Input resistance  
Resistance ratio  
I
O (off)  
−
−
I
=0V  
G
I
47  
3.29  
0.8  
−
−
O
O
R
1  
4.7  
1
6.11  
1.2  
−
k
Ω  
−
−
−
R
/ R  
2 1  
Transition frequency  
f
T
∗
200  
MHz  
V

CE

=10V, I
E
=
−
50mA, f=100MHz  
Characteristics of built-in transistor  
∗
Rev.O 1/3  

LESHAN RADIO COMPANY, LTD.  
;S-LDTD143ELT1G  
LDTD143ELT1G  
z
Electrical characteristic curves  
10m  
100  
V

CC

=5V  
V

O

=0.3V  
5m  
Ta=100˚C  
25˚C  
50  
2m  
1m  
−
40˚C  
20  
10  
500
µ
 
Ta=
−
40˚C  
25˚C  
200
µ  
5
100˚C  
100
µ  
50
µ  
2
1
20
µ  
10
µ  
5
µ  
500m  
200m  
500m  
2
µ  
1
µ  
0
100m  
500
µ
1m 2m 5m
 
10m 20m
 
50m 100
m
2
00m  
0.5  
1.0  
1.5  
2.0  
2.5  
3.0  
OUTPUT CURRENT : I
 
(A)  
O
INPUT VOLTAGE : V

I (off)
 

(V)  
Fig.1 Input voltage vs. output current  
(ON characteristics)  
Fig.2 Output current vs. input voltage  
(OFF characteristics)  
1
1k  
l
O  
/ l
I
=20  
V
O
=5V  
500  
500m  
Ta=100˚C  
25˚C  
200m  
100m  
50m  
200  
−
40˚C  
Ta=100˚C  
25˚C  
100  
50  
−
40˚C  
20  
10  
5
20m  
10m  
5m  
2m  
1m  
2
1
500
µ
1m 2m  
5m 10m
 
20m 50m
 
100
m
2
00m 500m  
500
µ
1m 2m  
5m 10m
 
20m 50m
 
100m 200m 500m  
OUTPUT CURRENT : I  
(A)  
O
OUTPUT CURRENT : I  
(A)  
O
Fig.3 DC current gain vs. output current  
Fig.4 Output voltage vs. output current  
Rev.O 2/3  

LESHAN RADIO COMPANY, LTD.  
;S-LDTD143ELT1G  
LDTD143ELT1G  
SOT
–
23  
NOTES:  
1. DIMENSIONING AND TOLERANCING PER ANSI  
Y14.5M,1982  
A
L
2. CONTROLLING DIMENSION: INCH.  
3
INCHES  
MAX  
MILLIMETERS  
DIM  
S
B
MIN  
MIN  
2.80  
1.20  
0.89  
0.37  
1.78  
0.013  
0.085  
0.35  
0.89  
2.10  
0.45  
MAX  
3.04  
1.40  
1.11  
0.50  
2.04  
0.100  
0.177  
0.69  
1.02  
2.64  
0.60  
1
2
A
B
C
D
G
H
J
0.1102  
0.0472  
0.0350  
0.0150  
0.0701  
0.0005  
0.0034  
0.0140  
0.0350  
0.0830  
0.0177  
0.1197  
0.0551  
0.0440  
0.0200  
0.0807  
0.0040  
0.0070  
0.0285  
0.0401  
0.1039  
0.0236  
V
G
C
K
L
H
J
D
K
S
V
0.037  
0.95  
0.037  
0.95  
0.079  
2.0  
0.035  
0.9  
0.031  
0.8  
inches  
mm  
Rev.O 3/3