©2001 Fairchild Semiconductor Corporation Rev. A1, July 2001
KSR1206
NPN Epitaxial Silicon Transistor
Absolute Maximum Ratings Ta=25°C unless otherwise noted
Electrical Characteristics Ta=25°C unless otherwise noted
Symbol Parameter Value Units
VCBO Collector-Base Voltage 50 V
VCEO Collector-Emitter Voltage 50 V
VEBO Emitter-Base Voltage 10 V
ICCollector Current 100 mA
PCCollector Power Dissipation 300 mW
TJJunction Temperature 150 °C
TSTG Storage Temperature -55 ~ 150 °C
Symbol Param e ter Test Condit ion Min. Typ. Max. Units
BVCBO Collect or-B ase Break down Voltage IC=10µA, IE=0 50 V
BVCEO Collect or-E mitter Break down Voltage IC=100µA, IB=0 50 V
ICBO Collector Cut-off Current VCB=40V, IE=0 0.1 µA
hFE DC Current Gain VCE=5V, IC=5mA 68
VCE (sat) Collector-Emitter Saturat ion Voltage IC=10mA, IB=0.5mA 0.3 V
Cob Output Capacitance VCB=10V, IE=0
f=1.0MHz 3.7 pF
fTCurrent Gain Bandwidth Product VCE=10mA, IC=5mA 250 MHz
VI(off) Input Off Voltage VCE=5V, IC=100µA0.3 V
VI(on) Input On Voltage VCE=0.3V, IC=1A 1.4 V
R1Input Resistor 7 10 13 KΩ
R1/R2Resistor Ratio 0.19 0.21 0.24
KSR1206
Switching Application (Bi as Resistor Built In)
• Switching circuit, Inverter, Interface circuit, Driver Circuit
• Built in bias Resistor (R1 =10KΩ, R2=47KΩ)
• Complement to KSR2206
Equivalent Circuit
B
E
C
R1
R2
1.Emitter 2. Collector 3. Base
TO-92S
1
©2001 Fairchild Semiconductor Corporation
KSR1206
Rev. A1, July 2001
Typical Characteristics
Figure 1. DC current Gain Figure 2. Input On Voltage
Figure 3. Input Off Voltage Figure 4. Power Derating
0.1 1 10 100
1
10
100
1000 VCE = 5V
R1 = 10K
R2 = 47K
hFE, DC CURRENT GAIN
IC[mA], COLLECTOR CURRENT
0.1 1 10 100
0.1
1
10
100 VCE =0.3V
R1 = 10K
R2 = 47K
VI(on)[V], INPUT VOL TAGE
IC[mA], COLLECTOR CURRENT
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
1
10
100
1k
10k
VCE = 5V
R1 = 10K
R2 = 47K
IC [µA], COLLECTOR CURRENT
VI(OFF)[V], INPUT OFF VOLTAGE
0 255075100125150175
0
50
100
150
200
250
300
350
400
PC[mW], POWER DISSIPATION
Ta[oC], AMBIENT TEMPERATURE
4.00 ±0.20
3.72 ±0.20
2.86 ±0.20
2.31 ±0.20
3.70 ±0.20
0.77 ±0.10 14.47 ±0.30
(1.10)
0.49 ±0.10
1.27TYP
[1.27±0.20] [1.27±0.20]
1.27TYP
0.66 MAX.
0.35 +0.10
–0.05
TO-92S
Package Demensions
©2001 Fairchild Semiconductor Corporation Rev. A1, July 2001
KSR1206
Dimensions in Millimeters
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:
©2001 Fairchild Semiconductor Corporation Rev. H3
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.
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.
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