UN1221 Datasheet. Specs and Replacement

Type Designator: UN1221  📄📄 

Material of Transistor: Si

Polarity: Pre-Biased-NPN

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): 0.6 W

Maximum Collector-Base Voltage |Vcb|: 50 V

Maximum Collector-Emitter Voltage |Vce|: 50 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: M-A1

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UN1221 datasheet

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UN1221

Transistors with built-in Resistor UNR1221/1222/1223/1224 (UN1221/1222/1223/1224) Unit mm Silicon NPN epitaxial planer transistor 6.9 0.1 2.5 0.1 For digital circuits 1.5 1.5 R0.9 1.0 R0.9 Features Costs can be reduced through downsizing of the equipment and reduction of the number of parts. M type package allowing easy automatic and manual insertion as well as stand-alone fixing... See More ⇒

Detailed specifications: UN1217S, UN1218, UN1219, UN121D, UN121E, UN121F, UN121L, UN121K, TIP2955, UN1222, UN1223, UN1224, UN2110Q, UN2110R, UN2110S, UN2111, UN2112

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