BC858 datasheet(4/8 Pages) FS

4 / 8 page

BC857/ BC858

I C , COLLECTOR CURRENT (mAdc)

Figure 1 Normalized DC Current Gain

I C, COLLECTOR CURRENT (mAdc)

Figure 2 “Saturation” and “On” Voltages

–0.2

–0.5

–1.0

–2.0

–5.0

–10

–20

–50

–100

–200

CE= –10 V

TA = 25°C

2.0

1.5

1.0

0.7

0.5

0.3

0.2

–0.1

–0.2

–0.5

–1.0

–2.0

–5.0

–10

–20

–50 –100

TA = 25°C

VBE(sat) @ I C /I B=10

VBE(on) @ VCE = –10 V

VCE(sat) @ I C /I B = 10

TA = 25°C

–1.0

–0.9

–0.8

–0.7

–0.6

–0.5

–0.4

–0.3

–0.2

–0.1

1.0

1.2

1.6

2.0

2.4

2.8

I B, BASE CURRENT (mA)

Figure 3 Collector Saturation Region

I C = –200 mA

–55°C to +125°C

I C , COLLECTOR CURRENT (mA)

Figure 4 Base–Emitter Temperature Coefficient

–

–0.02

–0.1

–1.0

–10

–20

–2.0

–1.6

–1.2

–0.8

–0.4

I C =

–10 mA

I C = –100 mA

IC= –20 mA

IC = –50 mA

VR , REVERSE VOLTAGE (VOLTS)

Figure 5. Capacitances

IC , COLLECTOR CURRENT (mAdc)

Figure 6. Current–Gain – Bandwidth Product

TA=25 C

VCE =–10V

TA = 25 C

Cob

Cib

400

300

200

100

10.0

7.0

5.0

3.0

2.0

1.0

–0.4

–0.6

–1.0

–2.0

–4.0 –6.0

–10

–20 –30 –40

–0.5

–1.0

–2.0

–3.0

–5.0

–10

–20

–30

–50

2007. 12. 18

4/7

Revision No : 0

BC856 / 857 / 858 / 859S

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