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The WST2078 is the best MOSFET for small power switches and load applications. It has a high cell density that provides excellent RDSON and gate charge. It meets the RoHS and Green Product requirements and has been approved for full function reliability.
| Symbol | Parameter | Rating | Units | |
| N-Channel | P-Channel | |||
| VDS | Drain-Source Voltage | 20 | -20 | V |
| VGS | Gate-Source Voltage | ±12 | ±12 | V |
| ID@Tc=25℃ | Continuous Drain Current, VGS @ 4.5V1 | 3.8 | -4.5 | A |
| ID@Tc=70℃ | Continuous Drain Current, VGS @ 4.5V1 | 2.8 | -2.6 | A |
| IDM | Pulsed Drain Current2 | 20 | -13 | A |
| PD@TA=25℃ | Total Power Dissipation3 | 1.4 | 1.4 | W |
| TSTG | Storage Temperature Range | -55 to 150 | -55 to 150 | ℃ |
| TJ | Operating Junction Temperature Range | -55 to 150 | -55 to 150 | ℃ |
| Symbol | Parameter | Conditions | Min. | Typ. | Max. | Unit |
| BVDSS | Drain-Source Breakdown Voltage | VGS=0V , ID=250uA | 20 | --- | --- | V |
| △BVDSS/△TJ | BVDSS Temperature Coefficient | Reference to 25℃ , ID=1mA | --- | 0.024 | --- | V/℃ |
| RDS(ON) | Static Drain-Source On-Resistance2 | VGS=4.5V , ID=3A | --- | 45 | 55 | mΩ |
| VGS=2.5V , ID=1A | --- | 60 | 80 | |||
| VGS=1.8V , ID=1A | --- | 85 | 120 | |||
| VGS(th) | Gate Threshold Voltage | VGS=VDS , ID =250uA | 0.5 | 0.7 | 1 | V |
| △VGS(th) | VGS(th) Temperature Coefficient | --- | -2.51 | --- | mV/℃ | |
| IDSS | Drain-Source Leakage Current | VDS=16V , VGS=0V , TJ=25℃ | --- | --- | 1 | uA |
| VDS=16V , VGS=0V , TJ=55℃ | --- | --- | 5 | |||
| IGSS | Gate-Source Leakage Current | VGS=±8V , VDS=0V | --- | --- | ±100 | nA |
| gfs | Forward Transconductance | VDS=5V , ID=1A | --- | 8 | --- | S |
| Rg | Gate Resistance | VDS=0V , VGS=0V , f=1MHz | --- | 2.5 | 3.5 | Ω |
| Qg | Total Gate Charge (4.5V) | VDS=10V , VGS=10V , ID=3A | --- | 7.8 | --- | nC |
| Qgs | Gate-Source Charge | --- | 1.5 | --- | ||
| Qgd | Gate-Drain Charge | --- | 2.1 | --- | ||
| Td(on) | Turn-On Delay Time | VDD=10V , VGEN=4.5V , RG=6Ω ID=3A RL=10Ω | --- | 2.4 | 4.3 | ns |
| Tr | Rise Time | --- | 13 | 23 | ||
| Td(off) | Turn-Off Delay Time | --- | 15 | 28 | ||
| Tf | Fall Time | --- | 3 | 5.5 | ||
| Ciss | Input Capacitance | VDS=10V , VGS=0V , f=1MHz | --- | 450 | --- | pF |
| Coss | Output Capacitance | --- | 51 | --- | ||
| Crss | Reverse Transfer Capacitance | --- | 52 | --- |
High-frequency point-of-load synchronous small power switching is perfect for use in:
