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Product Detailed Parameters
- Description：JFET N-CH 30V TO92-3
- Series：-
- Mfr：onsemi
- Package：Bulk
- FET Type：N-Channel
- Voltage - Breakdown (V(BR)GSS)：30 V
- Drain to Source Voltage (Vdss)：-
- Current - Drain (Idss) @ Vds (Vgs=0)：8 mA @ 15 V
- Current Drain (Id) - Max：-
- Voltage - Cutoff (VGS off) @ Id：800 mV @ 0.5 nA
- Input Capacitance (Ciss) (Max) @ Vds：18pF @ 10V
- Resistance - RDS(On)：60 Ohms
- Power - Max：625 mW
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA)
- Supplier Device Package：TO-92-3
- Grade：-
- Qualification：-
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Overview
The PN4861 is an N-Channel Switch designed for electronic switching applications, specifically low ON resistance analog switching. It features a Drain-Gate Voltage of 30 V and a Gate-Source Voltage of -30 V. The device operates within a junction temperature range of -55 to 150 °C. Electrical characteristics include a Gate-Source Breakdown Voltage of -30 V at 1.0 μA current. The Drain-Source On Resistance (RDS(ON)) is specified at 60 Ω under zero bias conditions. Input Capacitance is 18 pF, and Reverse Transfer Capacitance is 8 pF, both measured at 1.0 MHz frequency.
Feature Summary
- Designed for low ON resistance analog switching applications
- N-Channel configuration with high voltage tolerance
- Capable of operation across extended temperature ranges
Applications
- Electronic switching circuits
- Low ON resistance analog signal routing
Procurement Notes
Verify the specific manufacturer origin, as documentation indicates sourcing from Fairchild Semiconductor processes despite current onsemi branding. Confirm package integrity and pinout alignment with TO-92 standards before integration. Ensure compliance with life support policies if applicable to the end system design.
Selection Notes
Select this component when low ON resistance is required for analog signal paths. Evaluate thermal dissipation capabilities against the maximum junction temperature limits. Consider the specific breakdown voltages to ensure adequate margin for the target circuit environment.
Part Context
This part belongs to the category of discrete semiconductor switches. It serves as a fundamental building block for signal conditioning and routing in electronic systems. The device represents a standard solution for analog switching tasks requiring specific electrical isolation and conduction characteristics.
Replacement Considerations
Consult official substitution lists or datasheets for equivalent N-Channel switches with matching RDS(ON) and voltage ratings. Verify pin compatibility and thermal performance before implementing any alternative components.
