FMMT549
PNP Low Saturation Transistor
These devices are designed with high current gain and low saturation voltage with collector currents up to 2A
continuous.
Absolute Maximum Ratings* TA = 25°C unless otherwise noted
°C-55 to +150Operating and Storage Junction Temperature Range
TJ, Tstg
A1
2
Collector Current - Continuous
- Peak Pulse Current
IC
V5Emitter-Base Voltage
VEBO
V35Collector-Base Voltage
VCBO
V30Collector-Emitter Voltage
VCEO
UnitsFMMT549 ParameterSymbol
*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
°C/W250Thermal Resistance, Junction to Ambient
RθJA
mW
mW/°C
500
4
Total Device Dissipation*
Derate above 25°C
PD
FMMT549
Units
Max
CharacteristicSymbol
*Device mounted on FR-4 PCB 4.5” X 5”; mounting pad 0.02 in2 of 2oz copper.
Page 1 of 2 1998 Fairchild Semiconducto Corporation
fmmt549.lwpPrPB 7/10/98 revB
FMMT549
SuperSOTTM-3 (SOT-23)
C
E
B
MHz 100
IC = 100 mA,VCE = 5 V, f=100MHz
Transition Frequency
fT
pF25
VCB = 10 V, IE = 0, f = 1MHz
Output Capacitance
Cobo
SMALL SIGNAL CHARACTERISTICS
V1
IC = 1 A, VCE = 2 V
Base-Emitter On Voltage
VBE(on)
V1.25
IC = 1 A, IB = 100 mA
Base-Emitter Saturation Voltage
VBE(sat)
mV
mV
500
750
IC = 1 A, IB = 100 mA
IC = 2 A, IB = 200 mA
Collector-Emitter Saturation Voltage
VCE(sat)
-
300
70
100
80
40
IC = 50 mA, VCE = 2V
IC = 500 mA, VCE = 2V
IC = 1A, VCE = 2V
IC = 2A, VCE = 2V
DC Current Gain
hFE
ON
CHARACTERISTICS
*
nA
100
VEB = 4V
Emitter Cutoff Current
IEBO
nA
uA
100
10
VCB = 30 V
VCB = 30 V, Ta=100°C
Collector Cutoff Current
ICBO
V5
IE = 100 µA
Emitter-Base Breakdown Voltage
BVEBO
V35
IC = 100 µA
Collector-Base Breakdown Voltage
BVCBO
V30
IC = 10 mA
Collector-Emitter Breakdown Voltage
BVCEO
OFF CHARACTERISTICS
UnitsMaxMinTest ConditionsParameterSymbol
PNP Low Saturation Transistor
(continued)
Electrical Characteristics TA = 25°C unless otherwise noted
*Pulse Test: Pulse Width ≤ 300 µs, Duty Cycle ≤ 2.0%
Page 2 of 2 1998 Fairchild Semiconducto Corporation
fmmt549.lwpPrPB 7/10/98 revB
FMMT549
TRADEMARKS
ACEx™
CoolFET™
CROSSVOLT™
E2CMOSTM
FACT™
FACT Quiet Series™
FAST®
FASTr™
GTO™
HiSeC™
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.
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:
ISOPLANAR™
MICROWIRE™
POP™
PowerTrench™
QS™
Quiet Series™
SuperSOT™-3
SuperSOT™-6
SuperSOT™-8
TinyLogic™
1. Life support devices or systems are devices or
systems which, (a) are 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
Preliminary
No Identification Needed
Obsolete
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
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.
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
Formative or
In Design
First Production
Full Production
Not In Production
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.
