All Transistors. 2SD1257A Equivalents Search

 

2SD1257A Specs and Replacement


   Type Designator: 2SD1257A
   Material of Transistor: Si
   Polarity: NPN
   Maximum Collector Power Dissipation (Pc): 40 W
   Maximum Collector-Base Voltage |Vcb|: 150 V
   Maximum Collector Current |Ic max|: 7 A
   Max. Operating Junction Temperature (Tj): 150 °C
   Transition Frequency (ft): 30 MHz
   Forward Current Transfer Ratio (hFE), MIN: 80
   Noise Figure, dB: -
   Package: TO251
 

 2SD1257A Substitution

   - BJT ⓘ Cross-Reference Search

   

2SD1257A detailed specifications

 ..1. Size:1268K  kexin
2sd1257a.pdf pdf_icon

2SD1257A

SMD Type Transistors NPN Transistors 2SD1257A TO-252 Unit mm +0.15 6.50-0.15 +0.1 Features 2.30 -0.1 +0.2 5.30-0.2 +0.8 0.50 -0.7 Satisfactory linearity of foward current transfer ratio hFE Low collector to emitter saturation voltage VCE(sat) Large collector current IC 0.127 +0.1 0.80-0.1 max + 0.1 1 Base 2.3 0.60- 0.1 +0.15 4 .60 -0.15 2 Collector 3... See More ⇒

 7.1. Size:62K  panasonic
2sd1257.pdf pdf_icon

2SD1257A

Power Transistors 2SD1257, 2SD1257A Silicon NPN epitaxial planar type Unit mm For power switching 8.5 0.2 3.4 0.3 6.0 0.5 1.0 0.1 Complementary to 2SB934 Features Low collector to emitter saturation voltage VCE(sat) 1.5max. 1.1max. Satisfactory linearity of foward current transfer ratio hFE Large collector current IC 0.8 0.1 0.5max. N type package enabling direct solder... See More ⇒

 7.2. Size:861K  kexin
2sd1257.pdf pdf_icon

2SD1257A

SMD Type Transistors NPN Transistors 2SD1257 TO-252 Unit mm +0.15 6.50-0.15 +0.1 Features 2.30 -0.1 +0.2 5.30-0.2 +0.8 0.50 -0.7 Satisfactory linearity of foward current transfer ratio hFE Low collector to emitter saturation voltage VCE(sat) Large collector current IC 0.127 +0.1 Complementary to 2SB934 0.80-0.1 max + 0.1 1 Base 2.3 0.60- 0.1 +0.15 ... See More ⇒

 8.1. Size:48K  panasonic
2sd1258.pdf pdf_icon

2SD1257A

Power Transistors 2SD1258 Silicon NPN triple diffusion planar type Unit mm 8.5 0.2 3.4 0.3 For power amplification with high forward current transfer ratio 6.0 0.5 1.0 0.1 Features 1.5max. 1.1max. High foward current transfer ratio hFE Satisfactory linearity of foward current transfer ratio hFE 0.8 0.1 0.5max. N type package enabling direct soldering of the radiating fin ... See More ⇒

Detailed specifications: 2SD1252 , 2SD1252A , 2SD1253 , 2SD1253A , 2SD1254 , 2SD1255 , 2SD1256 , 2SD1257 , BC558 , 2SD1258 , 2SD1259 , 2SD1259A , 2SD125A , 2SD125AH , 2SD126 , 2SD1260 , 2SD1260A .

Keywords - 2SD1257A transistor specs

 2SD1257A cross reference
 2SD1257A equivalent finder
 2SD1257A lookup
 2SD1257A substitution
 2SD1257A replacement

 

 
Back to Top

 


 
.