BC557 datasheet(3/4 Pages) MCC

Part #	BC557

Description	PNP Silicon Amplifier Transistor 625mW

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Manufacturer	MCC [Micro Commercial Components]

Direct Link	http://www.mccsemi.com

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3 / 4 page

BC557/BC558

Figure 1. Normalized DC Current Gain

IC, COLLECTOR CURRENT (mAdc)

2.0

Figure 2. “Saturation” and “On” Voltages

IC, COLLECTOR CURRENT (mAdc)

–0.2

0.2

Figure 3. Collector Saturation Region

IB, BASE CURRENT (mA)

Figure 4. Base–Emitter Temperature Coefficient

IC, COLLECTOR CURRENT (mA)

–0.6

–0.7

–0.8

–0.9

–1.0

–0.5

0

–0.2

–0.4

–0.1

–0.3

1.6

1.2

2.0

2.8

2.4

–1.2

–1.6

–2.0

–0.02

–1.0

–10

0

–20

–0.1

–0.4

–0.8

1.5

1.0

0.7

0.5

0.3

–0.2

–10

–100

–1.0

TA = 25°C

VBE(sat) @ IC/IB = 10

VCE(sat) @ IC/IB = 10

VBE(on) @ VCE = –10 V

VCE = –10 V

TA = 25°C

–55

°C to +125°C

IC = –100 mA

IC = –20 mA

–0.5 –1.0

–2.0

–5.0 –10

–20

–50

–100 –200

–0.1 –0.2

–0.5

–1.0

–2.0

–5.0

–10

–20

–50

–100

IC = –200 mA

IC = –50 mA

IC =

–10 mA

Figure 5. Capacitances

VR, REVERSE VOLTAGE (VOLTS)

10

Figure 6. Current–Gain – Bandwidth Product

IC, COLLECTOR CURRENT (mAdc)

–0.4

1.0

80

100

200

300

400

60

20

40

30

7.0

5.0

3.0

2.0

–0.5

TA = 25°C

Cob

Cib

–0.6

–1.0

–2.0

–4.0 –6.0

–10

–20 –30 –40

150

–1.0

–2.0 –3.0

–5.0

–10

–20

–30

–50

VCE = –10 V

TA = 25°C

1.0

MCC

www.mccsemi.com

BC556 thru BC558B

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