Page 4

http://www.formosams.com/

TEL:886-2-22696661

FAX:886-2-22696141

Formosa MS

Switching time equivalent test circuits

PNP Epitaxial Planar Transistor

FMBT4403

Document ID

Issued Date

Revised Date

Revision

Page.

DS-231118

2008/02/10

2010/03/10

B

10

Figure

1. Turn-On

T ime

Figure

2. Turn-Off T ime

Scope rise time < 4.0 ns

*Total shunt capacitance of test jig connectors, and oscilloscope

+2 V

-16 V

10 to 100 us,

DUTY CYCLE = 2%

0

1.0 kΩ

-30 V

200 Ω

CS* < 10 pF

1.0 kΩ

-30 V

200

CS* < 10 pF

+4.0V

< 2 ns

1.0 to 100us,

DUTY CYCLE=2%

< 20 ns

+14 V

0

-16 V

Ω

Figure 3. Capacitances

REVERSE VOLTAGE (VOLTS )

7.0

10

20

30

5.0

Figure 4. Charge Data

IC, COLLECTOR CURRENT (mA)

0.1

2.0

5.0

10

20

2.0

30

2.0

3.0

5.0

7.0

10

1.0

10

20

50

70

100

200

0.1

300

500

0.7

0.5

VCC= 30 V

IC/IB = 10

20

30

50

5.0

10

7.0

Ceb

QT

QA

25 C

125 C

TRANSIENTCHARACTERISTICS

3.0

1.0

0.5

0.3

0.2

0.3

0.2

30

Ccb

70

100

10

20

50

70

100

200

300

500

30

IC/IB= 10

tr @ VCC= 30 V

tr @ VCC= 10 V

td @ VBE(of

f)= 2 V

td @ VBE(of

f)= 0

20

30

50

5.0

10

7.0

70

100

10

20

50

70

100

200

300

500

30

VCC= 30 V

IC/IB = 10

0.7

7.0

IC, COLLECTOR CURRENT (mA)

IC, COLLECTOR CURRENT (mA)

Figure 5. Turn-On Time

Figure 6. Rise Time