©2002 Fairchild Semiconductor Corporation Rev. B2, December 2002
BCX70G
NPN Epitaxial Silicon Transistor
Absolute Maximum Ratings Ta=25°C unless otherwise noted
• Refer to KST5088 for graphs
Electrical Characteristics Ta=25°C unless otherwise noted
Symbol Parameter Value Units
VCBO Collector-Base V olt age 45 V
VCEO Collector-Emitter Voltage 45 V
VEBO Emitter-Base Voltage 5 V
ICCollector Current 200 mA
PCCollector Power Dissipation 350 mW
TSTG Storage Temperature -55 ~ 150 °C
Symbol Param ete r Test Condit ion Min. Max. Units
BVCEO Collect or-E mitter Break down Voltage IC=2mA, IB=0 45 V
BVEBO Emitter-Base Breakdown Voltage IE=1µA, IC=0 5 V
ICES Collector Cut-off Current VCE=32V, VBE=0 20 nA
IEBO Emitter Cut-off Current VEB=4V, IC=0 20 nA
hFE DC Current Gain VCE=5V, IC=2mA
VCE=1V, IC=50mA 120
60 220
VCE (sat) Collector-Emitter Saturat ion Voltage IC=10mA, IB=0.25mA
IC=50mA, IB=1.25mA 0.35
0.55 V
V
VBE (sat) Base-Emitter Saturat ion Voltage IC=10mA, IB=0.25mA
IC=50mA, IB=1.25mA 0.6
0.7 0.85
1.05 V
V
VBE (on) Base-Emitter On Voltage IC=2mA, VCE=5V 0.55 0.75 V
fTCurrent Gain Bandwidth Product VCE=5V, IC=10mA 125 MHz
Cob Output Capacitance VCB=10V, IE=0, f=1MHz 4.5 pF
NF Noise Figure IC=0.2mA, VCE=5V
f=1KHz, RS=2KΩ6dB
tON Turn On Time IC=10mA, IB1=1mA 150
tOFF Turn Off Time IB2=1mA, VBB=3.6V
RL=990Ω R1=R2=5KΩ800 ns
ns
BCX70G
General Purpose Transistor
AG
Marking
SOT-23
1. Base 2. Emitter 3. Collector
1
2
3
Package Dimensions
BCX70G
Dimensions in Millimeters
©2002 Fairchild Semiconductor Corporation Rev. B2, December 2002
SOT-23
©2002 Fairchild Semiconductor Corporation Rev. I1
TRADEMARKS
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not
intended to be an exhaustive list of all such trademarks.
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY
PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY
LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN;
NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR
CORPORATION.
As used herein:
1. Life support devices or systems are devic es or syst em s
which, (a) ar e intended for surgical implant into the body,
or (b) support or sustain life, or (c) whose failure to perform
when properly used in accordance with instructions for use
provided in the labeling, can be reasonably expected to
result in significant injury to the user.
2. A critical component is any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification Product Status Definition
Advance Information Formative or In
Design This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
Preliminary First Production This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconduct or reserv es the right to make
changes at any time without notice in order to improve
design.
No Identification Needed Full Production This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
Obsolete Not In Production This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
FACT™
FACT Quiet series™
FAST®
FASTr™
FRFET™
GlobalOptoisolator™
GTO™
HiSeC™
I2C™
ImpliedDisconnect™
ISOPLANAR™
LittleFET™
MicroFET™
MicroPak™
MICROWIRE™
MSX™
MSXPro™
OCX™
OCXPro™
OPTOLOGIC®
OPTOPLANAR™
PACMAN™
POP™
Power247™
PowerTrench®
QFET™
QS™
QT Optoelectronics™
Quiet Series™
RapidConfigure™
RapidConnect™
SILENT SWITCHER®
SMART START™
SPM™
Stealth™
SuperSOT™-3
SuperSOT™-6
SuperSOT™-8
SyncFET™
TinyLogic™
TruTranslation™
UHC™
UltraFET®
VCX™
ACEx™
ActiveArray™
Bottomless™
CoolFET™
CROSSVOLT™
DOME™
EcoSPARK™
E2CMOS™
EnSigna™
Across the board. Around the world.™
The Power Franchise™
Programmab le Acti ve Droo p™
