UMT3904 / SST3904 / MMST3904 / 2N3904
Transistors
NPN General Purpose Transistor
UMT3904 / SST3904 / MMST3904 / 2N3904
!Features
!External dimensions (Units : mm)
CEO
C
1) BV > 40V (I = 1mA)
2.0±0.2
0.9±0.1
0.7±0.1
1.3±0.1
UMT3904
2) Complements the UMT3906 / SST3906 / MMST3906
/ 2N3906.
0.65 0.65
(1) (2)
0.2
0~0.1
(1) Emitter
(2) Base
(3) Collector
(3)
ROHM : UMT3
EIAJ : SC-70
+0.1
−0
0.3
0.15±0.05
All terminals have same dimensions
2.9±0.2
+0.2
0.95
SST3904
−0.1
0.45±0.1
1.9±0.2
!Package, marking and packaging specifications
0.95 0.95
(2)
(1)
0~0.1
0.2Min.
Part No.
Packaging type
Marking
UMT3904 SST3904 MMST3904
2N3904
TO-92
-
UMT3
R1A
SST3
R1A
SMT3
R1A
(1) Emitter
(2) Base
(3) Collector
(3)
+0.1
0.15
+0.1
−0.05
−0.06
ROHM : SST3
MMST3904
0.4
T106
T116
T146
T93
Code
Basic ordering unit
(pieces)
All terminals have same dimensions
3000
3000
3000
3000
2.9±0.2
+0.2
1.1
−0.1
1.9±0.2
0.8±0.1
0.95 0.95
(2)
(1)
0~0.1
(3)
(1) Emitter
(2) Base
(3) Collector
!Absolute maximum ratings (Ta = 25°C)
ROHM : SMT3
EIAJ : SC-59
+0.1
0.15
−0.06
+0.1
−0.05
0.4
Parameter
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
Symbol
Limits
60
Unit
V
All terminals have same dimensions
VCBO
VCEO
VEBO
40
V
4.8±
0.2
3.7±0.2
2N3904
6
V
I
C
0.2
A
UMT3904,
0.2
W
SST3904,
Collector
power
MMST3904
+
0.15
PC
0.5
2.5
−
0.05
dissipation
W
W
SST3904, MMST3904
2N3904
0.35
0.625
(1) Emitter
(2) Base
(3) Collector
*
ROHM : TO-92
EIAJ : SC-43
(1) (2) (3)
5
+
0.3
−
0.1
0.45±
0.1
2.3
Junction temperature
Storage temperature
Tj
Tstg
150
°C
°C
−55~+150
When mounted on a 7 x 5 x 0.6 mm ceramic board.
*
!Electrical characteristics (Ta = 25°C)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Collector cutoff current
BVCBO
BVCEO
BVEBO
60
-
-
-
-
-
-
-
-
-
-
-
V
V
I
I
I
C
C
E
= 10µA
= 1mA
40
6
-
V
= 10µA
CB = 30V
EB = 3V
I
CES
-
50
50
0.2
0.3
0.85
0.95
nA
nA
V
V
Emitter cutoff current
I
EBO
-
-
I
I
I
I
C/I
C/I
C/I
C
/I
B
B
B
B
= 10mA/1mA
= 50mA/5mA
= 10mA/1mA
= 50mA/5mA
V
V
Collector-emitter saturation voltage
Base-emitter saturation voltage
V
CE(sat)
BE(sat)
-
0.65
-
V
40
70
100
60
30
300
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
V
V
V
V
V
CE = 1V , I
CE = 1V , I
CE = 1V , I
CE = 1V , I
CE = 1V , I
C
C
C
C
C
= 0.1mA
= 1mA
DC current transfer ratio
h
FE
300
-
-
= 10mA
= 50mA
= 100mA
~
-
-
Transition frequency
Collector output capacitance
Emitter input capacitance
Delay time
fT
MHz
pF
pF
ns
V
V
V
V
V
V
V
CE = 20V , IE = −10mA, f = 100MHz
CB = 10V , f = 100kHz
Cob
Cib
td
4
-
8
EB = 0.5V , f = 100kHz
CC = 3V , VBE(OFF) = 0.5V , I
CC = 3V , VBE(OFF) = 0.5V , I
-
35
35
200
50
C
C
= 10mA , IB1 = 1mA
= 10mA , IB1 = 1mA
Rise time
tr
-
ns
Storage time
tstg
tf
-
ns
CC = 3V , I
CC = 3V , I
C
= 10mA , IB1 = −IB2 = 1mA
= 10mA , IB1 = −IB2 = 1mA
Fall time
-
ns
C