DS30275 Rev. 9 - 2

2 of 3

www.diodes.com

BC857AT, BT, CT

© Diodes Incorporated

0

50

100

25

50

75

100

125

150

175

200

T , AMBIENT TEMPERATURE (°C)

Fig. 1, Max Power Dissipation vs.

Ambient Temperature

A

150

200

250

1

0.1

10

100

1,000

I , COLLECTOR CURRENT (mA)

Fig. 2, Collector Emitter Saturation Voltage

vs. Collector Current

C

T = 25°C

A

T = -50°C

A

T = 150°C

A

0

0.1

0.2

0.3

0.4

0.5

I

I

C

B

= 10

0

10

100

1,000

1

10

100

I , COLLECTOR CURRENT (mA)

Fig. 4, Gain Bandwidth Product vs. Collector Current

C

V

= 5V

CE

1

10

100

1,000

1

10

100

1,000

V

= 5V

CE

I , COLLECTOR CURRENT (mA)

Fig. 3, DC Current Gain vs. Collector Current

C

T = 25°C

A

T = -50°C

A

T = 150°C

A

Device

Packaging

Shipping

BC857AT-7-F

SOT-523

3000/Tape & Reel

SOT-523

3000/Tape & Reel

BC857BT-7-F

SOT-523

3000/Tape & Reel

BC857CT-7-F

Notes:

6. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.

Marking Information

XXYM

XX = Product Type Marking Code (See Page 1), e.g. 3V = BC857AT

YM = Date Code Marking

Y = Year (ex: N = 2002)

M = Month (ex: 9 = September)

Date Code Key

Year

1998

1999

2000

2001

2002

2003

2004

2005

2006

2007

2008

2009

2010

2011

2012

Code

J

K

L

M

N

P

R

S

T

U

V

W

X

Y

Z

Month

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Code

1

2

3

4

5

6

7

8

9

O

N

D