JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD SOT-23 Plastic-Encapsulate MOSFETS CJ2321 P-Channel 20-V(D-S) MOSFET APPLICATIONS z PA Switch z Load Switch SOT-23 1. GATE 2. SOURCE 3. DRAIN MARKING: S21 Maximum ratings (Ta=25℃ unless otherwise noted) Parameter Drain-Source Voltage Gate-Source Voltage Continuous Drain Current Pulsed Drain Current Continuous Source-Drain Diode Current Maximum Power Dissipation Thermal Resistance from Junction to Ambient Junction Temperature Storage Tempera.