BC857BT datasheet(2/2 Pages) DIODES

2 / 2 page

DS30275 Rev. 2 - 2

2 of 2

BC857AT, BT, CT

Electrical Characteristics

Characteristic

Symbol

Min

Typ

Max

Unit

Test Condition

Collector-Base Breakdown Voltage (Note 2)

V(BR)CBO

-50

—

IC = 10

mA, IB = 0

Collector-Emitter Breakdown Voltage (Note 2)

V(BR)CEO

-45

—

IC = 10mA, IB = 0

Emitter-Base Breakdown Voltage (Note 2)

V(BR)EBO

-5

—

IE = 1

mA, IC = 0

DC Current Gain (Note 2)

Current Gain A

hFE

125

220

420

—

290

520

250

475

800

—

VCE = -5.0V, IC = -2.0mA

Collector-Emitter Saturation Voltage (Note 2)

VCE(SAT)

—

-300

-650

IC = -10mA, IB = -0.5mA

IC = -100mA, IB = -5.0mA

Base-Emitter Saturation Voltage (Note 2)

VBE(SAT)

—

-700

-900

—

IC = -10mA, IB = -0.5mA

IC = -100mA, IB = -5.0mA

Base-Emitter Voltage (Note 2)

VBE(ON)

-600

—

-750

-820

VCE = -5.0V, IC = -2.0mA

VCE = -5.0V, IC = -10mA

Collector-Cutoff Current (Note 2)

ICBO

—

-15

-4.0

µA

VCB = -30V

VCB = -30V, TA = 150°C

Gain Bandwidth Product

100

—

MHz

VCE = -5.0V, IC = -10mA,

f = 100MHz

Output Capacitance

COB

——

4.5

VCB = -10V, f = 1.0MHz

Noise Figure

—

IC = -0.2mA, VCE = -5.0Vdc,

RS = 2.0K

W, f = 1.0KHz,

BW = 200Hz

Notes:

2. Short duration pulse test used to minimize self-heating effect.

3. For Packaging Details: go to our website at http://www.diodes.com/datasheets/ap02007.pdf.

@ TA = 25°C unless otherwise specified

Ordering Information (Note 3)

Device

Packaging

Shipping

BC857AT-7

SOT-523

3000/Tape & Reel

BC857BT-7

SOT-523

3000/Tape & Reel

BC857CT-7

SOT-523

3000/Tape & Reel

XXYM

Marking Information

Month

Jan

Feb

March

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Code

Year

1998

1999

2000

2001

2002

2003

2004

Code

Date Code Key

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)

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