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DTD143EK

Digital transistors (built-in resistors)

Leshan Radio Company 

LESHAN RADIO COMPANY, LTD.

DTD143EK DTD143ES

• Elecrical characteristics(Ta=25°C)

Parameter

symbol

Input voltage

Output Voltage

Input current

V I(off)

V I(on)

V O(on)

II

Output current

I O(off)

DC current gain

GI

Input resistance

R1

Resistance ratio

R2/ R1

Transition frequency

fT

*Transition frequency of the device

Min.

—

3

—

—

—

47

3.29

0.8

—

Typ.

—

—

0.1

—

—

—

4.7

1

200

Max.

0.5

—

0.3

1.8

0.5

—

6.11

1.2

—

Unit

V

V

mA

µA

—

KΩ

—

MHz

Conditions

V CC= 5V, I O=100µA

V O= 0.3V, I O=20mA

I O / I I =50mA/2.5mA

V I=5V

V CC= 50V, V I= 0 V

V O= 5V, I O= 50mA

—

—

V CE=10V, I E= –50 mA, f=100MHz*

ELECTRICAL CHARACTERISTIC CURVES

100

50

20

10

T A = –40°C

5

25°C

100°C

2

1

0.5

0.2

V O = 0.3V

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)

10m

5m

2m

1m

500µ

200µ

T A = 100°C

25°C

–40°C

V CC= 5 V

100µ

50µ

20µ

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)

1K

500

T A = 100°C

200

25°C

–40°C

100

50

20

V O= 5 V

10

5

2

1

500µ 1m 2m

5m 10m 20m 50m 100m 200m 500m

OUTPUT CURRENT: I O (A)

Figure 3. DC current gain vs.output current

1.0

0.5

0.2

T A = 100°C

0.1

25°C

0.05

–40°C

0.02

I O / I I = 20

0.01

.005

.002

.001

500µ 1m 2m

5m 10m 20m 50m 100m 200m 500m

OUTPUT CURRENT: I O (A)

Figure 4. Output voltage vs.output current

P18–2/2

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