2N4123TA

P1-P3 P4-P6 P7-P7

Power Dissipation vs

Ambient Temperature

0 25 50 75 100 125 150

0

0.25

0.5

0.75

1

TEMPERATURE ( C)

P - POWER DISSIPATION (W)

D

o

SOT-223

SOT-23

TO-92

Typical Characteristics (continued)

Noise Figure vs Frequency

0.1 1 10 100

0

2

4

6

8

10

12

f - FREQUENCY (kHz)

NF - NOISE FIGURE (dB)

V = 5.0V

CE

I = 100

µ

A, R = 500

Ω

C

S

I = 1.0 mA

R = 200

Ω

C

S

I = 50

µ

A

R = 1.0 k

Ω

C

S

I = 0.5 mA

R = 200

Ω

C

S

k

Ω

Noise Figure vs Source Resistance

0.1 1 10 100

0

2

4

6

8

10

12

R - SOURCE RESISTANCE ( )

NF - NOISE FIGURE (dB)

I = 100

µ

A

C

I = 1.0 mA

C

S

I = 50

µ

A

C

I = 5.0 mA

C

θ

- DEGREES

0

40

60

80

100

120

140

160

20

180

Current Gain and Phase Angle

vs Frequency

1 10 100 1000

0

5

10

15

20

25

30

35

40

45

50

f - FREQUENCY (MHz)

h - CURRENT GAIN (dB)

θ

V = 40V

CE

I = 10 mA

C

h

fe

fe

Turn-On Time vs Collector Current

110100

5

10

100

500

I - COLLECTOR CURRENT (mA)

TIME (nS)

I = I =

B1

C

B2

I

c

10

40V

15V

2.0V

t

@

V = 0V

CB

d

t

@

V = 3.0V

CC

r

Rise Time vs Collector Current

1 10 100

5

10

100

500

I - COLLECTOR CURRENT (mA)

t - RISE TIME (ns)

I = I =

B1

C

B2

I

c

10

T = 125°C

T = 25°C

J

V = 40V

CC

r

J

2N4123

NPN General Purpose Amplifier

(continued)

2N4123

NPN General Purpose Amplifier

(continued)

Typical Characteristics (continued)

Storage Time vs Collector Current

1 10 100

5

10

100

500

I - COLLECTOR CURRENT (mA)

t - STORAGE TIME (ns)

I = I =

B1

C

B2

I

c

10

S

T = 125°C

T = 25°C

J

J

Fall Time vs Collector Current

1 10 100

5

10

100

500

I - COLLECTOR CURRENT (mA)

t - FALL TIME (ns)

I = I =

B1

C

B2

I

c

10

V = 40V

CC

f

T = 125°C

T = 25°C

J

J

Current Gain

0.1 1 10

10

100

500

I - COLLECTOR CURRENT (mA)

h - CURRENT GAIN

V = 10 V

CE

C

fe

f = 1.0 kHz

T = 25 C

A

o

Output Admittance

0.1 1 10

1

10

100

I - COLLECTOR CURRENT (mA)

h - OUTPUT ADMITTANCE ( mhos)

V = 10 V

CE

C

oe

f = 1.0 kHz

T = 25 C

A

o

µ

Input Impedance

0.1 1 10

0.1

1

10

100

I - COLLECTOR CURRENT (mA)

h - INPUT IMPEDANCE (k )

V = 10 V

CE

C

ie

f = 1.0 kHz

T = 25 C

A

o

Ω

Voltage Feedback Ratio

0.1 1 10

1

2

3

4

5

7

10

I - COLLECTOR CURRENT (mA)

h - VOLTAGE FEEDBACK RATIO (x10 )

V = 10 V

CE

C

re

f = 1.0 kHz

T = 25 C

A

o

_

4

Test Circuits

10 K

ΩΩ

ΩΩ

Ω

3.0 V

275

ΩΩ

ΩΩ

Ω

t

1

C

1

<<

<<

< 4.0 pF

Duty Cycle

==

==

= 2%

Duty Cycle

==

==

= 2%

<<

<<

< 1.0 ns

- 0.5 V

300 ns

10.6 V

10

< <

< <

< t

1

<<

<<

< 500

µµ

µµ

µs

10.9 V

- 9.1 V

<<

<<

< 1.0 ns

0

0

10 K

ΩΩ

ΩΩ

Ω

3.0 V

275

ΩΩ

ΩΩ

Ω

C

1

<<

<<

< 4.0 pF

1N916

FIGURE 2: Storage and Fall Time Equivalent Test Circuit

FIGURE 1: Delay and Rise Time Equivalent Test Circuit

2N4123

NPN General Purpose Amplifier

(continued)

P1-P3 P4-P6 P7-P7

2N4123TA

Mfr. #:

Manufacturer:

ON Semiconductor / Fairchild

Description:

Bipolar Transistors - BJT NPN Transistor General Purpose

Lifecycle:

New from this manufacturer.

Delivery:

DHL FedEx Ups TNT EMS

Payment:

T/T Paypal Visa MoneyGram Western Union

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