IMX4

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...