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TM
FMMT491
Micro Commercial Components
Features
·
Lead Free Finish/RoHS Compliant ("P" Suffix designates
RoHS Compliant. See ordering information)
NPN Silicon Planar
High Performance
Transistor
•
Power dissipation: PCM=0.5W(Tamb=25?)
•
Collector current: Ic=1A
·
Epoxy meets UL 94 V-0 flammability rating
·
x
Moisure Sensitivity Level 1
Marking:491
Maximum Ratings*
Symbol
Rating
Rating
60
80
5.0
1.0
Unit
V
V
V
A
SOT-23
VCEO
VCBO
VEBO
IC
Collector-Emitter Voltage
Collector-Base Voltage
Emitter-Base Voltage
A
D
C
Collector Current,
Ptot
Power Dissipation at Tamb=25R
Operating Junction Temperature
Storage Temperature
500
mW
B
C
TJ
-55 to +150
-55 to +150
R
R
TSTG
E
B
F
E
O
Electrical Characteristics @ 25 C Unless Otherwise Specified
Symbol
Parameter
Min
Max
Units
H
OFF CHARACTERISTICS
G
J
V(BR)CEO
V(BR)CBO
V(BR)EBO
ICBO
Collector-Emitter Breakdown Voltage*
(IC=10mAdc, IB=0)
Collector-Base Breakdown Voltage
(IC=100µAdc, IE=0)
Emitter-Base Breakdown Voltage
(IE=100µAdc, IC=0)
Collector Cutoff Current
(VCB=60Vdc, IE=0Vdc)
60
80
5.0
---
---
---
Vdc
Vdc
K
DIMENSIONS
INCHES
MIN
MM
---
Vdc
DIM
A
B
C
D
E
MAX
MIN
2.80
2.10
1.20
.89
1.78
.45
.013
.89
MAX
3.04
2.64
1.40
1.03
2.05
.60
.100
1.12
.180
.51
NOTE
.110
.083
.047
.035
.070
.018
.120
.098
.055
.041
.081
.024
.0039
.044
.007
.020
0.1
0.1
uAdc
uAdc
Vdc
IEBO
Emitter Cutoff Current
(VEB=4.0Vdc, IC=0)
---
F
VCE(sat)
Collector-Emitter Saturation Voltage*
(IC=500mAdc, IB=50mAdc)
(IC=1Adc, IB=100mAdc)
Base-Emitter Saturation Voltage*
(IC=1Adc, IB=100mAdc)
Base-Emitter Voltage*
G
H
J
.0005
.035
.003
.015
---
---
0.25
0.5
.085
.37
VBE(sat)
VBE
K
---
---
1.1
1
Vdc
Vdc
Suggested Solder
Pad Layout
(VCE=5Vdc, IC=1Adc)
DC Current Gain
hFE
(VCE=5Vdc, IC=1mAdc)
(VCE=5Vdc, IC=500mAdc)*
(VCE=5Vdc, IC=1Adc)*
(VCE=5Vdc, IC=2Adc)*
Transition Frequency
100
100
80
---
300
---
.031
.800
---
.035
.900
30
---
fT
.079
2.000
(IC=50mAdc, VCE=10Vdc, f=100MHz)
Output Capacitance
(VCB=10Vdc, f=1.0MHz)
150
---
---
MHz
pF
inches
mm
Cob
10
* Measured under pulsed conditions. Pulse width=300us. Duty cycle!2%
.037
.950
.037
.950
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Revision: A
2011/01/01
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