BC490B View Datasheet(PDF) - ON Semiconductor

Part Name

Description

Manufacturer

BC490B

High Current Transistors

ON Semiconductor 

BC490, BC490A, BC490B

200

VCE = -2.0 V

TJ = 25°C

100

70

50

30

20

-2.0 -3.0 -5.0 -7.0 -10

-20 -30 -50 -70 -100 -200

IC, COLLECTOR CURRENT (mA)

Figure 2. Current–Gain — Bandwidth Product

100

70

Cibo

TJ = 25°C

50

30

20

10

7.0

5.0

-0.1 -0.2

-0.5 -1.0 -2.0 -5.0 -10 -20

VR, REVERSE VOLTAGE (VOLTS)

Figure 3. Capacitance

Cobo

-50 -100

1.0 k

700

500

300

ts

200

100

70 td @ VBE(off) = -0.5 V

50

tf

30 VCC = -40 V

20

IC/IB = 10

IB1 = IB2

TJ = 25°C

10

-5.0 -7.0 -10 -20 -30

-50 -70 -100

tr

-200 -300 -500

IC, COLLECTOR CURRENT (mA)

Figure 4. Switching Time

1.0

0.7

0.5

D = 0.5

0.3

0.2

0.2

0.1

0.1

0.02

0.07

0.01

0.05 SINGLE PULSE

0.03

SINGLE PULSE

0.02

0.01

1.0 2.0

5.0 10 20

ZθJC(t) = r(t) • RθJC

ZθJA(t) = r(t) • RθJA

50 100 200

500 1.0Ăk 2.0Ăk

t, TIME (ms)

Figure 5. Thermal Response

P(pk)

t1

t2

DUTY CYCLE, D = t1/t2

D CURVES APPLY FOR POWER

PULSE TRAIN SHOWN

READ TIME AT t1 (SEE AN–469)

TJ(pk) – TC = P(pk) ZqJC(t)

TJ(pk) – TA = P(pk) ZqJA(t)

5.0Ăk 10Ăk 20Ăk

50Ăk 100Ă

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