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UN421D Specs and Replacement


   Type Designator: UN421D
   Material of Transistor: Si
   Polarity: Pre-Biased-NPN
   Built in Bias Resistor R1 = 47 kOhm
   Built in Bias Resistor R2 = 10 kOhm
   Typical Resistor Ratio R1/R2 = 4.7
   Maximum Collector Power Dissipation (Pc): 0.3 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): 80 MHz
   Forward Current Transfer Ratio (hFE), MIN: 30
   Noise Figure, dB: -
   Package: TO92S

 UN421D Transistor Equivalent Substitute - Cross-Reference Search

   

UN421D detailed specifications

 ..1. Size:540K  panasonic
 un4210q un4210r un4210s un4211 un4212 un4213 un4214 un4215q un4215r un4215s un4216q un4216r un4216s un4217q un4218 un4219 un421d un421e un421f un421k un421l.pdf pdf_icon

UN421D

Transistors with built-in Resistor UNR4211/4212/4213/4214/4215/4216/4217/ 4218/4219/4210/421D/421E/421F/421K/421L (UN4211/4212/4213/4214/4215/4216/4217/4218/4219/ 4210/421D/421E/421F/421K/421L) Unit mm 4.0 0.2 Silicon NPN epitaxial planer transistor For digital circuits Features Costs can be reduced through downsizing of the equipment and reduction of the number of parts. mark... See More ⇒

 9.1. Size:189K  blue-rocket-elect
 un4213.pdf pdf_icon

UN421D

UN4213(3RC4213) NPN /SILICON NPN DIGITAL TRANSISTOR Purpose Switching, inverter circuit, interface circuit and driver circuit applications. Features With built-in bias resistors, simplify circuit design, reduce a q... See More ⇒

Detailed specifications: UN4216Q , UN4216R , UN4216S , UN4217Q , UN4217R , UN4217S , UN4218 , UN4219 , MJE350 , UN421E , UN421F , UN421L , UN421K , UN4221 , UN4222 , UN4223 , UN4224 .

Keywords - UN421D transistor specs

 UN421D cross reference
 UN421D equivalent finder
 UN421D lookup
 UN421D substitution
 UN421D replacement

 

 
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