UMB4N Datasheet and Replacement

   Type Designator: UMB4N
   SMD Transistor Code: B4
   Material of Transistor: Si
   Polarity: Pre-Biased-PNP
   Built in Bias Resistor R1 = 10 kOhm
   Maximum Collector Power Dissipation (Pc): 0.15 W
   Maximum Collector-Base Voltage |Vcb|: 50 V
   Maximum Collector-Emitter Voltage |Vce|: 50 V
   Maximum Emitter-Base Voltage |Veb|: 5 V
   Maximum Collector Current |Ic max|: 0.1 A
   Max. Operating Junction Temperature (Tj): 150 °C
   Transition Frequency (ft): 140 MHz
   Forward Current Transfer Ratio (hFE), MIN: 100
   Noise Figure, dB: -
   Package: SC-88
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