TF256 datasheet, подбор замены

 ..1. Size:338K  onsemi
 tf256.pdf 

TF256 Ordering number ENA1616A SANYO Semiconductors DATA SHEET N-channel Silicon Juncton FET Electret Condenser Microphone TF256 Applications Features High gain GV=2.7dB typ (VCC=2V, RL=2.2k , Cin=5pF, VIN=10mV, f=1kHz) Ultrasmall package facilitates miniaturization in end products [1.0mm 0.6mm 0.27mm (max 0.3mm)] Best suited for use in electret condenser

 0.1. Size:357K  onsemi
 tf256th.pdf 

Ordering number ENA1617B TF256TH N-Channel JFET http //onsemi.com 20V, 140 to 450 A, 1.7mS, VTFP Features High gain GV=2.7dB typ (VCC=2V, RL=2.2k , Cin=5pF, VIN=10mV, f=1kHz) Ultrasmall package facilitates miniaturization in end products Best suited for use in electret condenser microphone for audio equipments and telephones Excellent transient characteris

 0.2. Size:282K  aosemi
 aotf256l.pdf 

AOTF256L 150V N-Channel MOSFET General Description Product Summary VDS 150V The AOTF256L uses trench MOSFET technology that is uniquely optimized to provide the most efficient high ID (at VGS=10V) 12A frequency switching performance. Both conduction and RDS(ON) (at VGS=10V)

 0.3. Size:250K  inchange semiconductor
 aotf256l.pdf 

isc N-Channel MOSFET Transistor AOTF256L FEATURES Drain Current I = 12A@ T =25 D C Drain Source Voltage- V = 150V(Min) DSS Static Drain-Source On-Resistance R = 85m (Max) DS(on) 100% avalanche tested Minimum Lot-to-Lot variations for robust device performance and reliable operation DESCRIPTION Designed for use in switch mode power supplies and general purpo