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Product Detailed Parameters
- Description：MOSFET P-CH 50V 130MA SOT23-3
- Series：-
- Mfr：Comchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- FET Type：P-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：50 V
- Current - Continuous Drain (Id) @ 25°C：130mA (Ta)
- Drive Voltage (Max Rds On, Min Rds On)：5V
- Rds On (Max) @ Id, Vgs：10Ohm @ 100mA, 5V
- Vgs(th) (Max) @ Id：2V @ 1mA
- Gate Charge (Qg) (Max) @ Vgs：-
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：30 pF @ 5 V
- FET Feature：-
- Power Dissipation (Max)：225mW (Ta)
- Operating Temperature：150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Supplier Device Package：SOT-23-3
- Package / Case：TO-236-3, SC-59, SOT-23-3
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Overview
The BSS84-HF is a P-Channel Enhancement Mode MOSFET manufactured by Comchip Technology. It operates with a drain-source voltage of -50V and a continuous drain current of -130mA at 25°C. The device features a gate-source threshold voltage of 2V at 1mA and a maximum power dissipation of 300mW. Packaged in SOT-23, it is designed for low-voltage switching applications requiring high-side control.
Feature Summary
- P-Channel enhancement mode construction
- Logic level gate drive capability
- High density cell design for low on-resistance
Applications
- Low voltage high side switches
- Battery protection circuits
- Power management modules
Procurement Notes
Verify the specific datasheet revision from Comchip Technology to confirm exact electrical limits and thermal characteristics. Ensure the ordering suffix matches the required packaging format. Cross-reference pinout configurations with the official package drawing to prevent installation errors during assembly.
Selection Notes
Select this component for applications requiring small signal P-Channel switching with moderate current handling. Evaluate the on-resistance requirements against the specified threshold voltage to ensure compatibility with available logic levels. Consider thermal derating factors for enclosed environments.
Part Context
This component belongs to the BSS84 family of P-Channel MOSFETs. Similar devices include variants from other manufacturers such as Fairchild Semiconductor and NXP Semiconductors. These parts are commonly used in portable electronics and battery-powered systems where space efficiency and low standby current are critical design parameters.
Replacement Considerations
Direct substitutes include BSS84 from Fairchild Semiconductor and NXP Semiconductors. Verify that replacement parts maintain identical pinouts and voltage ratings before integration into existing designs.
