UNR221K Datasheet, Equivalent, Cross Reference Search
Type Designator: UNR221K
SMD Transistor Code: 8P
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): 0.2
W
Maximum Collector-Base Voltage |Vcb|: 50
V
Maximum Collector-Emitter Voltage |Vce|: 50
V
Maximum Collector Current |Ic max|: 0.1
A
Max. Operating Junction Temperature (Tj): 150
°C
Transition Frequency (ft): 150
MHz
Forward Current Transfer Ratio (hFE), MIN: 20
Noise Figure, dB: -
Package: SC59
UNR221K Transistor Equivalent Substitute - Cross-Reference Search
UNR221K Datasheet (PDF)
unr221x un221x series.pdf
Transistors with built-in ResistorUNR221x Series (UN221x Series)Silicon NPN epitaxial planar transistorUnit: mm0.40+0.100.05For digital circuits0.16+0.100.063 Features Costs can be reduced through downsizing of the equipment andreduction of the number of parts.1 2 Mini type package allowing easy automatic insertion through tape(0.95) (0.95)packing
Datasheet: 2SA1771 , 2SA178 , 2SA1790 , 2SA1791 , 2SA1792 , 2SA1793 , 2SA1794 , 2SA1795 , 2N3906 , 2SA1799 , 2SA17H , 2SA18 , 2SA180 , 2SA1800 , 2SA1800O , 2SA1800R , 2SA1800Y .
History: RCA1B01