FAIRCHILD FSB649

FSB649
FSB649
C
E
B
SuperSOTTM-3
NPN Low Saturation Transistor
These devices are designed with high current gain and low saturation voltage with collector currents up to 3A
continuous. Sourced from Process NC.
Absolute Maximum Ratings*
Symbol
TA = 25°C unless otherwise noted
Parameter
FSB649
Units
VCEO
Collector-Emitter Voltage
25
V
VCBO
Collector-Base Voltage
35
V
VEBO
Emitter-Base Voltage
5
V
IC
Collector Current - Continuous
3
A
TJ, Tstg
Operating and Storage Junction Temperature Range
-55 to +150
°C
*These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
NOTES:
1) These ratings are based on a maximum junction temperature of 150°C.
2) These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations.
Thermal Characteristics
TA = 25°C unless otherwise noted
Max
Characteristic
Symbol
Units
FSB649
PD
Total Device Dissipation
500
mW
RθJA
Thermal Resistance, Junction to Ambient
250
°C/W
 1999 Fairchild Semiconductor Corporation
fsb649.lwpPrNC revA
(continued)
Electrical Characteristics
Symbol
TA = 25°C unless otherwise noted
Parameter
Test Conditions
Min
Max
Units
OFF CHARACTERISTICS
BVCEO
Collector-Emitter Breakdown Voltage
IC = 10 mA
25
V
BVCBO
Collector-Base Breakdown Voltage
IC = 100 µA
35
V
BVEBO
Emitter-Base Breakdown Voltage
IE = 100 µA
5
V
ICBO
Collector Cutoff Current
VCB = 30 V
100
VCB = 30 V, TA=100°C
10
nA
uA
VEB = 4V
100
nA
IEBO
Emitter Cutoff Current
ON CHARACTERISTICS*
hFE
VCE(sat)
DC Current Gain
Collector-Emitter Saturation Voltage
IC = 50 mA, VCE = 2 V
70
IC = 1 A, VCE = 2 V
100
IC = 2 A, VCE = 2 V
75
IC = 6 A, VCE = 2 V
15
300
IC = 1 A, IB = 100 mA
300
mV
IC = 3 A, IB = 300 mA
600
1.25
V
VBE(sat)
Base-Emitter Saturation Voltage
IC = 1 A, IB = 100 mA
VBE(on)
Base-Emitter On Voltage
IC = 1 A, VCE = 2 V
1
V
50
pF
SMALL SIGNAL CHARACTERISTICS
Cobo
Output Capacitance
VCB = 10 V, IE = 0, f = 1MHz
fT
Transition Frequency
IC = 100 mA,VCE = 5 V, f=100MHz
150
-
*Pulse Test: Pulse Width ≤ 300 µs, Duty Cycle ≤ 2.0%
 1999 Fairchild Semiconductor Corporation
fsb649.lwpPrNC revA
FSB649
NPN Low Saturation Transistor
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not intended to be an exhaustive list of all such trademarks.
ACEx™
Bottomless™
CoolFET™
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DenseTrench™
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E2CMOSTM
EnSignaTM
FACT™
FACT Quiet Series™
FAST 
FASTr™
FRFET™
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LittleFET™
MicroFET™
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Power247™
PowerTrench 
QFET™
QS™
QT Optoelectronics™
Quiet Series™
SILENT SWITCHER 
SMART START™
STAR*POWER™
Stealth™
SuperSOT™-3
SuperSOT™-6
SuperSOT™-8
SyncFET™
TinyLogic™
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UHC™
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VCX™
STAR*POWER is used under license
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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:
2. A critical component is any component of a life
1. Life support devices or systems are devices or
support device or system whose failure to perform can
systems which, (a) are intended for surgical implant into
be reasonably expected to cause the failure of the life
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support device or system, or to affect its safety or
failure to perform when properly used in accordance
with instructions for use provided in the labeling, can be
effectiveness.
reasonably expected to result in significant injury to the
user.
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 Semiconductor reserves 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.
Rev. H3