BC857AT Diodes Incorporated, BC857AT Datasheet - Page 2

• Manufacturer Part Number: BC857AT
• Description: PNP SMALL SIGNAL SURFACE MOUNT TRANSISTOR
• Manufacturer: Diodes Incorporated

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