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BF244A

Fairchild Semiconductor
Part Number BF244A
Manufacturer Fairchild Semiconductor
Description N-Channel RF Amplifier
Published Mar 23, 2005
Detailed Description BF244A / BF244B / BF244C BF244A BF244B BF244C S G TO-92 D N-Channel RF Amplifier This device is designed for RF amp...
Datasheet PDF File BF244A PDF File

BF244A
BF244A

Overview
BF244A / BF244B / BF244C BF244A BF244B BF244C S G TO-92 D N-Channel RF Amplifier This device is designed for RF amplifier and mixer applications operating up to 450 MHz, and for analog switching requiring low capacitance.
Sourced from Process 50.
Absolute Maximum Ratings* Symbol VDG VGS ID IGF Tstg Drain-Gate Voltage Gate-Source Voltage Drain Current Forward Gate Current Storage Temperature Range TA = 25°C unless otherwise noted Parameter Value 30 - 30 50 10 -55 to +150 Units V V mA mA °C *These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
NOTES: 1) These ratings are based on a maximum junction temperature of 150 degrees C.
2) These are steady state limits.
The factory should be consulted on applications involving pulsed or low duty cycle operations.
Thermal Characteristics Symbol PD RθJC RθJA TA = 25°C unless otherwise noted Characteristic Total Device Dissipation Derate above 25°C Thermal Resistance, Junction to Case Thermal Resistance, Junction to Ambient Max BF244A / BF244B / BF244C 350 2.
8 125 357 Units mW mW/°C °C/W °C/W 1997 Fairchild Semiconductor Corporation BF244A / BF244B / BF244C N-Channel RF Amplifier (continued) Electrical Characteristics Symbol Parameter TA = 25°C unless otherwise noted Test Conditions Min Typ Max Units OFF CHARACTERISTICS V(BR)GSS IGSS VGSS(off) VGS Gate-Source Breakdown Voltage Gate Reverse Current Gate-Source Cutoff Voltage Gate-Source Voltage IG = 1.
0 µA, VDS = 0 VGS = - 20 V, VDS = 0 VDS = 15 V, ID = 10 nA VDS = 15 V, ID = 200 µA 244A 244B 244C 30 5.
0 - 0.
5 - 0.
4 - 1.
6 - 3.
2 - 8.
0 - 2.
2 - 3.
8 - 7.
5 V nA V V V V ON CHARACTERISTICS IDSS Zero-Gate Voltage Drain Current VDS = 15 V, VGS = 0 244A 244B 244C 2.
0 6.
0 12 6.
5 15 25 mA mA mA SMALL SIGNAL CHARACTERISTICS yfs yos yrs Ciss Crss Coss NF F(Yfs) Forward Transfer Admittance Output Admittance Reverse Transfer Admittance Input Capacitance Reverse Transfer Capacitance Output Capacitance Noise Figur...


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