BC849C datasheet(2/5 Pages) YEASHIN

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REV.02 20120703

BC846 Thru BC850 Series

DEVICE CHARACTERISTICS

ELECTRICAL CHARACTERISTICS(TA = 25°C unless otherwise noted) (Continued)

Characteristic

Symbol

Min

Typ

Max

Unit

ON CHARACTERISTICS

DC Current Gain

BC846A, BC847A, BC848A

h FE

—90

—

(I C = 10 µA, V CE = 5.0 V)

BC846B, BC847B, BC848B

—

150

—

BC847C, BC848C

—

270

—

(I C = 2.0 mA, V CE = 5.0 V)

BC846A, BC847A, BC848A

110

180

220

BC846B, BC847B, BC848B, BC849B, BC850B

200

290

450

BC847C, BC848C, BC849C, BC850C

420

520

800

Collector–Emitter Saturation Voltage (I C = 10 mA, I B = 0.5 mA)

V CE(sat)

—

0.25

Collector–Emitter Saturation Voltage (I C = 100 mA, I B = 5.0 mA)

—

0.6

Base–Emitter Saturation Voltage (I C = 10 mA, I B = 0.5 mA)

V BE(sat)

—

0.7

—

Base–Emitter Saturation Voltage (I C = 100 mA, I B = 5.0 mA)

—

0.9

—

Base–Emitter Voltage (I C = 2.0 mA, V CE = 5.0 V)

V BE(on)

580

660

700

Base–Emitter Voltage (I C = 10 mA, V CE = 5.0 V)

—

770

SMALL–SIGNAL CHARACTERISTICS

Current–Gain — Bandwidth Product

f T

100

—

MHz

(I C = 10 mA, V CE = 5.0 Vdc, f = 100 MHz)

Output Capacitance (V CB = 10 V, f = 1.0 MHz)

Cobo

—

4.5

Noise Figure (I C = 0.2 mA, BC846A, BC847A, BC848A

V CE = 5.0 Vdc, R S = 2.0 kΩ, BC846B, BC847B, BC848B

f = 1.0 kHz, BW = 200 Hz) BC847C, BC848C

—

BC849B,C, BC850B,C

—

4.0

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

100

200

CE = 10 V

A = 25°C

2.0

1.5

1.0

0.8

0.6

0.4

0.3

0.2

0.1

0.2 0.3

0.5 0.7 1.0

2.0 3.0

5.0 7.0 10

20 30

50 70 100

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

3.0

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

0.2

1.0

100

0.02

0.1

1.0

2.0

1.6

1.2

0.8

0.4

C =

10 mA

C = 100 mA

C =

20 mA

C = 50 mA

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