Transistors
UMT3904 / SST3904 / MMST3904
NPN General Purpose Transistor
UMT3904 / SST3904 / MMST3904 (NRND)
zFeature...
Transistors
UMT3904 / SST3904 / MMST3904
NPN General Purpose Transistor
UMT3904 / SST3904 / MMST3904 (NRND)
zFeatures 1) BVCEO > 40V (IC = 1mA) 2) Complements the UMT3906 / SST3906 / MMST3906.
zPackage, marking and packaging specifications
Part No.
Packaging type Marking Code
Basic ordering unit (pieces)
UMT3904 UMT3 R1A T106
SST3904 MMST3904 (NRND)
SST3
SMT3
R1A
R1A
T116
T146
3000
3000
3000
zAbsolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Collector-base
voltage Collector-emitter
voltage Emitter-base
voltage Collector current
VCBO VCEO VEBO
IC
Collector power dissipation
UMT3904, SST3904, MMST3904
SST3904, MMST3904
Junction temperature
Storage temperature
PC
Tj Tstg
∗ When mounted on a 7 x 5 x 0.6 mm ceramic board.
Limits 60 40 6 0.2
0.2
0.35 150 −55 to +150
Unit V V V A
W
W∗ °C °C
zDimensions (Unit : mm)
UMT3904
ROHM : UMT3 EIAJ : SC-70 SOT-323
SST3904
ROHM : SST3
MMST3904
ROHM : SMT3 EIAJ : SC-59
(1) Emitter (2) Base (3) Collector
(1) Emitter (2) Base (3) Collector
(1) Emitter (2) Base (3) Collector
zElectrical characteristics (Ta = 25°C)
Parameter Collector-base breakdown
voltage Collector-emitter breakdown
voltage Emitter-base breakdown
voltage Collector cutoff current Emitter cutoff current
Collector-emitter saturation
voltage
Symbol BVCBO BVCEO BVEBO
ICES IEBO
VCE(sat)
Base-emitter saturation
voltage
VBE(sat)
DC current transfer ratio
Transition frequency Collector output capacitance Emitter input capacitance Delay time Rise t...