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Digital transistors (built-in resistors)
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 thinfilm 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 device
design easy.
• Structure
PNP digital transistor ( built-in resistors)
Equivalent circuit
2.9 + 0.2
1.9+ 0.2
0.95+0.95
DTC143EKA
1.1
+
-
0.2
0.1
0.8 + 0.1
R1
IN
R2
OUT
GND
(1) (2)
(3)
0.4
+
-
0.1
0.05
0 ~ 0.1
0.15
+
-
0.1
0.06
(1) GND
(2) IN
(3) OUT
IN OUT
GND
All terminals have same dimensions
EIAJ: SC— 59
Absolute maximum ratings(Ta=25 °C)
Parameter
symbol
Supply voltage
Input voltage
Output current
Power dissipation
Junction temperature
Storage temperature
V cc
V IN
IO
I C(Max.)
Pd
Tj
T stg
Elecrical characteristics(Ta=25°C)
Parameter
symbol
Input voltage
V I(off)
V I(on)
Output Voltage
V O(on)
Input current
II
Output current
I O(off)
DC current gain
GI
Input resistance
R1
Resistance ratio
R 2/ R1
Transition frequency
fT
*Transition frequency of the device
Min.
3
20
3.29
0.8
limits
–50
–10~+30
100
100
200
150
–55~+150
unit
V
V
mA
mW
°C
°C
Typ. Max. Unit Conditions
— 0.5
VCC= 5V,IO= 100 µA
V
——
VO= 0.3V,IO= 20 mA
0.1 0.3 V IO/II= 10mA / 0.5mA
— 1.8 mA VI= 5V
— 0.5 µ A VCC= 50 V,VI = 0 V
— — — VO= 5V,IO= 20mA
4.7 6.11 K
1 1.2 —
250 — MHz VCE= 10V,IE= –5 mA,f=100MHz*
P17–1/2

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DTC143EKA
ELECTRICAL CHARACTERISTIC CURVES
100
V O = 0.3V
50
20
10
5 T A = –40°C
25°C
2 100°C
1
0.5
0.2
0.1
100µ 200µ
500µ 1m 2m
5m 10m 20m 50m 100m
OUTPUT CURRENT: I O (A)
Figure 1. Input voltage vs.output current
(ON characteristics)
1K
V O= 5 V
500
200
T A = 100°C
25°C
–40°C
100
50
20
10
5
2
1
100µ 200µ
500µ 1m 2m
5m 10m 20m 50m 100m
OUTPUT CURRENT: I O (A)
Figure 3. DC current gain vs.output current
10m
5m V CC= 5 V
2m
1m
500µ
200µ
100µ
50µ
20µ
T A = 100°C
25°C
–40°C
10µ
5µ
2µ
1µ
0 0.5 1.0 1.5 2.0 2.5 3.0
INPUT VOLTAGE: V I(ON) (V)
Figure 2. Output current vs.input voltage
(OFF characteristics)
1
0.5 I O / I I = 20
0.2
0.1
0.05 T A = 100°C
25°C
0.02 –40°C
0.01
.005
.002
.001
100µ 200µ
500µ 1m 2m
5m 10m 20m 50m 100m
OUTPUT CURRENT: I O (A)
Figure 4. Output voltage vs.output current
P17–2/2