UN121K Datasheet, Equivalent, Cross Reference Search
Type Designator: UN121K
Material of Transistor: Si
Polarity: Pre-Biased-NPN
Built in Bias Resistor R1 = 10 kOhm
Built in Bias Resistor R2 = 4.7 kOhm
Typical Resistor Ratio R1/R2 = 2.1
Maximum Collector Power Dissipation (Pc): 0.4
W
Maximum Collector-Base Voltage |Vcb|: 50
V
Maximum Collector-Emitter Voltage |Vce|: 50
V
Maximum Emitter-Base Voltage |Veb|: 6
V
Maximum Collector Current |Ic max|: 0.1
A
Max. Operating Junction Temperature (Tj): 150
°C
Transition Frequency (ft): 80
MHz
Forward Current Transfer Ratio (hFE), MIN: 20
Noise Figure, dB: -
Package: M-A1
UN121K Transistor Equivalent Substitute - Cross-Reference Search
UN121K Datasheet (PDF)
un1210q un1210r un1210s un1211 un1212 un1213 un1214 un1215q un1215r un1215s un1216q un1216r un1216s un1217q un1217r un1217s unr1210.pdf
Transistors with built-in ResistorUNR1211/1212/1213/1214/1215/1216/1217/1218/1219/1210/121D/121E/121F/121K/121L(UN1211/1212/1213/1214/1215/1216/1217/1218/1219/1210/Unit: mm121D/121E/121F/121K/121L)2.50.16.90.1(1.0)(1.5)(1.5)Silicon NPN epitaxial planar transistorR 0.9For digital circuitsR 0.7Features Costs can be reduced through downsizing of the equipment
Datasheet: 2SA1179M4 , 2SA1179M5 , 2SA1179M6 , 2SA1179M7 , 2SA118 , 2SA1180 , 2SA1180A , 2SA1182 , 2N3055 , 2SA1182Y , 2SA1183 , 2SA1184 , 2SA1185 , 2SA1186 , 2SA1186O , 2SA1186P , 2SA1186Y .
