UN2121 PDF Specs and Replacement
Type Designator: UN2121
SMD Transistor Code: 7A
Material of Transistor: Si
Polarity: Pre-Biased-PNP
Built in Bias Resistor R1 = 2.2 kOhm
Built in Bias Resistor R2 = 2.2 kOhm
Typical Resistor Ratio R1/R2 = 1
Absolute Maximum Ratings
Maximum Collector Power Dissipation (Pc): 0.2 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|: 0.5 A
Max. Operating Junction Temperature (Tj): 150 °C
Electrical Characteristics
Transition Frequency (ft): 200 MHz
Forward Current Transfer Ratio (hFE), MIN: 40
Noise Figure, dB: -
Package: SOT23 SC59
UN2121 Substitution
UN2121 PDF detailed specifications
un2121 un2122 un2123 un2124 un212x un212y.pdf
Transistors with built-in Resistor UN2121/2122/2123/2124/212X/212Y Silicon PNP epitaxial planer transistor For digital circuits Unit mm +0.2 2.8 0.3 Features +0.25 0.65 0.15 1.5 0.05 0.65 0.15 Costs can be reduced through downsizing of the equipment and reduction of the number of parts. 1 Mini type package, allowing downsizing of the equipment and automatic insertion ... See More ⇒
Detailed specifications: UN211E , UN211F , UN211H , UN211M , UN211N , UN211T , UN211V , UN211Z , 2N2222 , UN2122 , UN2123 , UN2124 , UN212X , UN212Y , UN2210Q , UN2210R , UN2210S .
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