PC74F1245D PC74F1245D PC74F1245D Datasheet Oscillation: To test RF characteristics, this module is put on a fixture with two bias decoupling capacitors each on gate and drain a 4.700 pF chip capacitor, located close to the module, and a 22 pF (or more) electrolytic capacitor. When an amplifier circuit around this module shows oscillation, the following may be checked: a) Do the bias decoupling capacitors have a low inductance pass to the case of the module? b) Is the load impedance ZL=50Q? c) Is the source impedance ZG=50Q? PC74F1245D PC74F1245D PC74F1245D Price| DescrIptIon | Symbol | CharacterIstIcs mln. Ityp. I max. | Unlt | Condltlons | | | | | |
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| PARAM ETER | SYM BOL | MIN | TYP | MAX | UNIT | CONDITIONS. | | STATIC | | Drain-Source Breakdown Voltage | V | 30 | | | V | ID=250ccA, VGS=OV | | Zero Gate Voltage Drain Current | IDSS | | | 0 5 | ccA | VDS=30V, VGS=OV | | Gate-Body Leakage | IGSS | | | 100 | nA | VGS=+20V, VDS=OV | | Gate-Source Threshold Voltage | VGS(th, | 1 0 | | | V | ID=250ccA, VDS= VGS | | Static Drain-Source On-State Resistance (1) | RDSfon, | | | 0 02 0 03 | | VGS=10V, ID=12.6A VGS=4.5V, ID=10.6A | | Forward Transconductance (3) | g | | 1 7 5 | | S | VDS=15V'ID=6A | | DYNAMIC (3) | | Input Capacitance | Cm | | 1800 | | pF | | | Output Capacitance | C | | 289 | | pF | VDS=25V, VGS=OV, f=lM Hz | | Reverse Transfer Capacitance | C | | 1 78 | | pF | | SWITCHING(2) (3) | | Turn-On Delay Time | td(on, | | 5 5 | | ns | | | se Time | t | | 8 7 | | ns | VDD =1 5Y' ID=6A | | Turn-Off Delay Time | td(off) | | 33 | | ns | RG=6.0 I , VGS=10V | | Fallme | ff | | 8 5 | | ns | | Gate Charge | Qa | | 1 9 4 | | nC | VDS=15V'VGS=5V, ID=3.5A | | Total Gate Charge | Q | | 35 7 | | nC | | | Gate-Source Charge | Q | | 5 5 | | nC | VDS=15V'VGS=10V, ID=3.5A | | Gate-Drain Charge | Q | | 7 0 | | nC | | SOU RCE-DRAIN DIODE | | Diode Forward Voltage (1) | VSD | | | 0 95 | V | Tj=250C, ls=6A, VGS=OV | | Reverse Recovery Time (3) | tr | | 20 5 | | ns | Tj=250C, IF=6A, | | Reverse Recovery Charge (3) | Q | | 41 5 | | nC | di/dt= 100A/ocs | | | | | | | |
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