BC857AT Datasheet, PDF (2/2 Pages) Diodes Incorporated – PNP SMALL SIGNAL SURFACE MOUNT TRANSISTOR

Electrical Characteristics @ TA = 25°C unless otherwise specified
Characteristic
Collector-Base Breakdown Voltage (Note 2)
Collector-Emitter Breakdown Voltage (Note 2)
Emitter-Base Breakdown Voltage (Note 2)
DC Current Gain (Note 2)
Current Gain A
B
C
Symbol Min
V(BR)CBO -50
V_(BR)CEO -45
V(BR)EBO -5
125
h_FE 220
420
Collector-Emitter Saturation Voltage (Note 2)
VCE(SAT) —
Base-Emitter Saturation Voltage (Note 2)
Base-Emitter Voltage (Note 2)
Collector-Cutoff Current (Note 2)
VBE(SAT)
VBE(ON)
ICBO
—
—
-600
—
—
—
Gain Bandwidth Product
fT
100
Output Capacitance
COB
—
Typ
—
—
—
—
290
520
—
—
-700
-900
—
—
—
—
—
—
Noise Figure
NF
—
—
Max
—
—
—
250
475
800
-300
-650
—
—
-750
-820
-15
-4.0
—
4.5
10
Unit
V
V
V
Test Condition
I_C = 10mA, I_B = 0
I_C = 10mA, I_B = 0
IE = 1mA, IC = 0
— VCE = -5.0V, IC = -2.0mA
mV
mV
mV
NA
µA
MHz
pF
dB
IC = -10mA, IB = -0.5mA
I_C = -100mA, I_B = -5.0mA
IC = -10mA, IB = -0.5mA
I_C = -100mA, I_B = -5.0mA
V_CE = -5.0V, I_C = -2.0mA
V_CE = -5.0V, I_C = -10mA
VCB = -30V
V_CB = -30V, T_A = 150°C
VCE = -5.0V, IC = -10mA,
f = 100MHz
VCB = -10V, f = 1.0MHz
IC = -0.2mA, VCE = -5.0Vdc,
R_S = 2.0KW, f = 1.0KHz,
BW = 200Hz
Ordering Information (Note 3)
Device
BC857AT-7
BC857BT-7
BC857CT-7
Packaging
SOT-523
SOT-523
SOT-523
Notes: 2. Short duration pulse test used to minimize self-heating effect.
3. For Packaging Details: go to ourwebsite at http://www.diodes.com/datasheets/ap02007.pdf.
Shipping
3000/Tape & Reel
3000/Tape & Reel
3000/Tape & Reel
Marking Information
Date Code Key
Year
Code
Month
Code
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)
1998
J
1999
K
Jan
Feb March
1
2
3
2000
L
Apr
4
2001
M
May Jun
5
6
2002
N
Jul Aug
7
8
2003
P
Sep
Oct
9
O
2004
R
Nov Dec
N
D
DS30275 Rev. 2 - 2
2 of 2
BC857AT, BT, CT