All Transistors. PN4257 Datasheet

 

PN4257 Datasheet and Replacement


   Type Designator: PN4257
   Material of Transistor: Si
   Polarity: NPN
   Maximum Collector Power Dissipation (Pc): 0.35 W
   Maximum Collector-Base Voltage |Vcb|: 12 V
   Maximum Collector-Emitter Voltage |Vce|: 12 V
   Maximum Emitter-Base Voltage |Veb|: 4 V
   Maximum Collector Current |Ic max|: 0.1 A
   Max. Operating Junction Temperature (Tj): 150 °C
   Transition Frequency (ft): 700 MHz
   Collector Capacitance (Cc): 3 pF
   Forward Current Transfer Ratio (hFE), MIN: 30
   Noise Figure, dB: -
   Package: TO92
 

 PN4257 Substitution

   - BJT ⓘ Cross-Reference Search

   

PN4257 Datasheet (PDF)

 9.1. Size:294K  fairchild semi
 pn4250a.pdf pdf_icon

PN4257

Discrete POWER & SignalTechnologiesPN4250AC TO-92BEPNP General Purpose AmplifierThis device is designed for use as general purpose amplifiersand switches requiring collector currents to 300 mA. Sourcedfrom Process 68. See PN200 for characteristics.Absolute Maximum Ratings* TA = 25C unless otherwise notedSymbol Parameter Value UnitsV Collector-Emitter Voltage 60 VCEO

 9.2. Size:294K  fairchild semi
 pn4250.pdf pdf_icon

PN4257

Discrete POWER & SignalTechnologiesPN4250C TO-92BEPNP General Purpose AmplifierThis device is designed for use as general purpose amplifiersand switches requiring collector currents to 300 mA. Sourcedfrom Process 68. See PN200 for characteristics.Absolute Maximum Ratings* TA = 25C unless otherwise notedSymbol Parameter Value UnitsV Collector-Emitter Voltage 40 VCEO

Datasheet: 2N3200 , 2N3201 , 2N3202 , 2N3203 , 2N3204 , 2N3205 , 2N3206 , 2N3207 , BC546 , 2N3209 , 2N3209AQF , 2N3209CSM , 2N3209DCSM , 2N3209L , 2N321 , 2N3210 , 2N3211 .

Keywords - PN4257 transistor datasheet

 PN4257 cross reference
 PN4257 equivalent finder
 PN4257 lookup
 PN4257 substitution
 PN4257 replacement

 

 
Back to Top

 


 
.