LESHAN RADIO COMPANY, LTD.
Digital transistors (built-in resistors)
Pb-Free package is available
FFeatures
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 isola-
tion to allow positive biasing of the
input. They also have the advan-
tage of almost completely eliminat-
ing parasitic effects.
3) Only the on / off conditions need to
be set for operation, making device
design easy.
4) We declare that the material of product
compliance with RoHS requirements.
FStructure
PNP digital transistor
(Built-in resistor type)
LDTB123YLT1G
3
1
2
SOT–23
FEquivalent
circuit
1/4
LESHAN RADIO COMPANY, LTD.
LDTB123YLT1G
Absolute maximum ratings (Ta = 25
℃）
Parameter
Symbol
Limits
Supply voltage
Vcc
-50
-
12~+5
Input voltage
V
IN
Output current
I
C
-500
Power dissipation
Pd
200
Junction temperature
Tj
150
-
55~+150
Storage temperature
Tstg
Unit
V
V
mA
mW
℃
℃
Electrical characteristics (Ta = 25
℃）
Parameter
Symbol Min Typ
V
I
(off)
-
-
Input voltage
-
V
I
(on)
-2
-
Output voltage
Vo(on)
-0.1
-
-
Input current
I
I
-
-
Output current
Io(off)
-
DC current gain
h FE
56
1.54 2.2
Input resistance
R
1
Resistance ratio
R
2
/R
1
3.6
4.5
-
Transition frequency
f
T
200
*
Transition frequency of the device
DEVICE MARKING
LDTB123YLT1G = F52
Max
-0.3
-
-0.3
-3.6
-0.5
-
2.86
5.5
-
Unit
V
V
mA
µA
k
Ω
MH
Z
Conditions
Vcc = -5V,Io = -100µA
Vo = -0.3V,Io = -20 mA
Io/I
I
= -50 mA/-2.5 mA
V
I
= -5V
Vcc = -50V,VI = 0V
Vo = -5V,Io=-50 mA
-
-
V
CE
= -10V,I
E
= 5m A,f = 100MH
Z
*
ODRERING INFORMATION
-
Device
LDTB123YLT1G
LDTB123YLT3G
Marking
F52
F52
Shipping
3000/Tape&Reel
10000/Tape&Reel
2/4
LESHAN RADIO COMPANY, LTD.
LDTB123YLT1G
Electrical characteristic curves
3/4
LESHAN RADIO COMPANY, LTD.
LDTB123YLT1G
SOT-23
NOTES:
A
L
3
1
V
G
2
B S
DIM
A
B
C
D
G
H
J
J
K
L
S
V
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M,1982
2. CONTROLLING DIMENSION: INCH.
INCHES
MIN
MAX
0.1102
0.1197
0.0472
0.0551
0.0350
0.0440
0.0150
0.0200
0.0701
0.0807
0.0005
0.0040
0.0034
0.0140
0.0350
0.0830
0.0177
0.0070
0.0285
0.0401
0.1039
0.0236
MILLIMETERS
MIN
MAX
2.80
3.04
1.20
1.40
0.89
1.11
0.37
0.50
1.78
2.04
0.013
0.100
0.085
0.35
0.89
2.10
0.45
0.177
0.69
1.02
2.64
0.60
C
D
H
K
0.037
0.95
0.037
0.95
0.079
2.0
0.035
0.9
0.031
0.8
inches
mm
4/4
LESHAN RADIO COMPANY, LTD.
EMBOSSED TAPE AND REEL DATA
FOR DISCRETES
T Max
Outside Dimension
Measured at Edge
13.0mm ± 0.5mm
1.5mm Min
(.512 ±.002’’)
(.06’’)
A
20.2mm Min
(.795’’)
50mm Min
(1.969’’)
Full Radius
G
Inside Dimension
Measured Near Hub
Size
8 mm
A Max
330mm
(12.992’’)
G
8.4mm+1.5mm, -0.0
(.33’’+.059’’, -0.00)
T Max
14.4mm
(.56’’)
Reel Dimensions
Metric Dimensions Govern –– English are in parentheses for reference only
Storage Conditions
Temperature: 5 to 40 Deg.C (20 to 30 Deg. C is preferred)
Humidity: 30 to 80 RH (40 to 60 is preferred )
Recommended Period: One year after manufacturing
(This recommended period is for the soldering condition only. The
characteristics and reliabilities of the products are not restricted to
this limitation)
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