Diodes FMMT449 User Manual
Fmmt449, Sot23 npn silicon planar medium power transistor, Typical characteristics
SOT23 NPN SILICON PLANAR
MEDIUM POWER TRANSISTOR
ISSUE 3 - NOVEMBER 1995
FEATURES
* Low equivalent on-resistance; R
CE(sat)
250m
Ω
at 1A
COMPLEMENTARY TYPE
FMMT549
PARTMARKING DETAIL
449
ABSOLUTE MAXIMUM RATINGS.
PARAMETER
SYMBOL
VALUE
UNIT
Collector-Base Voltage
V
CBO
50
V
Collector-Emitter Voltage
V
CEO
30
V
Emitter-Base Voltage
V
EBO
5
V
Peak Pulse Current
I
CM
2
A
Continuous Collector Current
I
C
1
A
Base Current
I
B
200
mA
Power Dissipation at T
amb
= 25°C
P
tot
500
mW
Operating and Storage Temperature Range
T
j
:T
stg
-55 to +150
°C
ELECTRICAL CHARACTERISTICS (at T
amb
= 25°C unless otherwise stated).
PARAMETER
SYMBOL
MIN. MAX.
UNIT
CONDITIONS.
Collector-Base
Breakdown Voltage
V
(BR)CBO
50
V
I
C
=1mA, I
E
=0
Collector-Emitter
Breakdown Voltage
V
(BR)CEO
30
V
I
C
=10mA, I
B
=0*
Emitter-Base Breakdown
Voltage
V
(BR)EBO
5
V
I
E
=100
µ
A, I
C
=0
Collector Cut-Off
Current
I
CBO
0.1
10
µ
A
µ
A
V
CB
=40V, I
E
=0
V
CB
=40V, T
amb
=100°C
Emitter Cut-Off Current
I
EBO
0.1
µ
A
V
EB
=4V, I
C
=0
Collector-Emitter
Saturation Voltage
V
CE(sat)
0.5
1.0
V
V
I
C
=1A, I
B
=100mA*
I
C
=2A, I
B
=200mA*
Base-Emitter
Saturation Voltage
V
BE(sat)
1.25
V
I
C
=1A, I
B
=100mA*
Base-Emitter Turn-On
Voltage
V
BE(on)
1.0
V
I
C
=1A, V
CE
=2V*
Static Forward Current
Transfer Ratio
h
FE
70
100
80
40
300
I
C
=50mA, V
CE
=2V*
I
C
=500mA, V
CE
=2V*
I
C
=1A, V
CE
=2V*
I
C
=2A, V
CE
=2V*
Transition
Frequency
f
T
150
MHz
I
C
=50mA, V
CE
=10V
f=100mHz
Output Capacitance
C
obo
15
pF
V
CB
=10V, f=1MHz
*Measured under pulsed conditions. Pulse width=300
µ
s. Duty cycle
≤
2%
Spice parameter data is available upon request for this device
FMMT449
C
B
E
3 - 106
FMMT449
TYPICAL CHARACTERISTICS
V
CE(sat)
v I
C
I
+
-
Collector Current (Amps)
V
- (V
ol
ts
)
I
+
-
Collector Current (Amps)
I
+
-
Collector Current (Amps)
h
FE
v I
C
V
BE(sat)
v I
C
I
+
-
Collector Current (Amps)
V
BE(on)
v I
C
h
V
- (V
ol
ts
)
V
- (
Vol
ts
)
40
80
120
160
200
0
10
0.2
0.4
0.6
0.8
Switching Speeds
I
+
-
Collector Current (Amps)
S
wi
tch
ing t
im
e
0.001
0.01
0.1
1
I
C
/I
B
=10
0.1
1
I
B1
=I
B2
=I
C
/10
0.01
ts
tf
td
tr
ts
ns
tf,tr,td
ns
100
50
150
0
V
CE
=2V
0
I
C
/I
B
=10
0.2
0.4
0.8
1.0
1.2
1.4
1.6
1.8
0.6
V
CE
=2V
ts
tf
td
tr
800
400
200
600
0
0.001
1
0.01
0.1
10
0.2
0.4
0.8
1.0
1.2
1.4
1.6
1.8
0.6
0.001
1
0.01
0.1
10
0.001
1
0.01
0.1
10
V
CE
=10V
I
+
-C
ol
lec
tor Cu
rr
ent
(A
)
10
1
0.1
Safe Operating Area
V
CE
- Collector Emitter Voltage (V
)
0.1
10
100
1s
DC
100ms
10ms
100
µ
s
1ms
1
0.01
3 - 107