Transistors
EMX4 / UMX4N / IMX4
High transition frequency (dual transistors)
EMX4 / UMX4N / IMX4
zFeatures 1) Two 2S...
Transistors
EMX4 / UMX4N / IMX4
High transition frequency (dual transistors)
EMX4 / UMX4N / IMX4
zFeatures 1) Two 2SC3837K chips in a EMT or UMT or SMT package. 2) High transition frequency. (fT=1.5GHz) 3) Low output capacitance. (Cob=0.9pF)
zEquivalent circuits
EMX4 / UMX4N
(3) (2) (1)
IMX4
(4) (5) (6)
(4) (5) (6)
(3) (2) (1)
zDimensions (Unit : mm)
EMX4
ROHM : EMT6 UMX4N
Each lead has same dimensions
zAbsolute maximum ratings (Ta=25°C)
Parameter
Collector-base
voltage
Collector-emitter
voltage
Emitter-base
voltage
Collector current
Collector power EMX4 / UMX4N
dissipation
IMX4
Junction temperature
Storage temperature
∗1 120mW per element must not be exceeded. ∗2 200mW per element must not be exceeded.
Symbol VCBO VCEO VEBO IC
Pc
Tj Tstg
Limits 30 20 3 50
150(TOTAL) 300(TOTAL)
150 −55 to +150
Unit V V V mA ∗1
mW ∗2
°C °C
zPackage, marking, and packaging specifications
Type Package Marking
Code Basic ordering unit (pieces)
EMX4 EMT6
X4 T2R 8000
UMX4N UMT6
X4 TR 3000
IMX4 SMT6
X4 T108 3000
ROHM : UMT6 EIAJ : SC-88 IMX4
ROHM : SMT6 EIAJ : SC-74
Each lead has same dimensions Each lead has same dimensions
zElectrical characteristics (Ta=25°C)
Parameter Collector-base breakdown
voltage Collector-emitter breakdown
voltage Emitter-base breakdown
voltage Collector cutoff current Emitter cutoff current DC current transfer ratio Collector-emitter saturation
voltage Transition frequency Output capacitance Collector-base time constant Noise factor
∗Tran...