Dated : 19/12/2003

SEMTECH ELECTRONICS LTD.

(Subsidiary of Semtech International Holdings Limited, acompany

listed on the Hong Kong Stock Exchange, Stock Code: 724)

®

ST 2SC1675

IC(mA)

, COLLECTOR CURRENT

Figure 5. Input Output Capacitance

Figure 3. Base-Emitter Saturation Voltage

Collector-Emitter Saturation Voltage

Figure 1. Static Charactersitic

VCE(V)

, COLLECTOR-EMITTER

VOLTAGE

IC=10IB

f=1MHz

IE=0

Cob

VCB(V)

, COLLECTOR-BASE VOLTAGE

IB=10 A

IB=20 A

IB=30 A

IB=40 A

IB=50 A

IB=60 A

IB=70 A

1

0.1

0.1

1

10

10

1

0.1

10

Cib

0.1

0.01

1

VCE(sat)

VBE(sat)

6

10

4

2

0

4

0

12

820

16

14

12

10

8

16

VCE=6V

100

Figure 6. Current Gain Bandwidth

Product

IC(mA)

, COLLECTOR CURRENT

100

10

0.1

1

10

100

Figure 4. Base-Emitter On Voltage

VBE(V), BASE-EMITTER VOLTAGE

1.0

VCE=6V

1000

0.1

0.2

0.6

0.4

0.8

10

1

100

1.2

IC(mA

), COLLECTOR CURRENT

VCE=6V

Figure 2. DC Current Gain

0.1

1000

24

100

10

10

1

1000

10000

100