BC856U datasheet(3/6 Pages) FS

3 / 6 page

2012. 07. 05

3/6

Revision No : 0

BC857U / BC858U

C , COLLECTOR CURRENT (mAdc)

Figure 1. Normalized DC Current Gain

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

A = 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

A = 25°C

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

BE(on) @ V CE = –10 V

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

A = 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

B , BASE CURRENT (mA)

Figure 3. Collector Saturation Region

C= –200 mA

–55°C to +125°C

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

C =

–10 mA

C= –100 mA

C= –20 mA

C= –50 mA

R , REVERSE VOLTAGE (VOLTS)

Figure 5. Capacitances

C , COLLECTOR CURRENT (mAdc)

Figure 6. Current–Gain – Bandwidth Product

A=25°C

CE = –10V

A = 25°C

400

300

200

150

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

BC856U/ 857U/ 858U

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