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Product Detailed Parameters
- Description：JFET N-CH 25V TO92-3
- Series：-
- Mfr：onsemi
- Package：Tape & Box (TB)
- FET Type：N-Channel
- Voltage - Breakdown (V(BR)GSS)：25 V
- Drain to Source Voltage (Vdss)：-
- Current - Drain (Idss) @ Vds (Vgs=0)：1 mA @ 15 V
- Current Drain (Id) - Max：-
- Voltage - Cutoff (VGS off) @ Id：500 mV @ 10 nA
- Input Capacitance (Ciss) (Max) @ Vds：7pF @ 15V
- Resistance - RDS(On)：-
- 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) Formed Leads
- Supplier Device Package：TO-92-3
- Grade：-
- Qualification：-
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Overview
The onsemi 2N5457_D75Z is an N-channel silicon small-signal Junction Field-Effect Transistor (JFET) designed for low-noise and high-impedance applications. It operates in depletion mode with a maximum drain-source voltage of 25V and a gate-source cutoff voltage of 1V at 10nA. The device features a typical drain current of 2mA at 15V and a maximum power dissipation of 310mW. Input capacitance is specified at 7pF maximum at 15V, while feedback capacitance is limited to 3pF. It is housed in a lead-free TO-92 package with three pins, suitable for through-hole mounting.
Feature Summary
- Low noise performance suitable for sensitive signal processing
- High input impedance characteristic of JFET technology
- Lead-free construction compliant with environmental standards
Applications
- Low-noise amplifier stages
- High-impedance buffer circuits
- Precision analog switching
Procurement Notes
Verify the specific manufacturer lot and date code upon receipt to ensure component authenticity. Confirm that the TO-92 package matches the required footprint for your PCB design. Check for any RoHS compliance documentation if operating in regulated regions. Ensure storage conditions remain within specified limits to prevent moisture damage prior to soldering.
Selection Notes
Select this component when a low-noise N-channel JFET is required for analog front-end applications. Compare the 25V breakdown voltage against circuit requirements to avoid overstress. Consider the 310mW power dissipation limit for thermal management in enclosed spaces. Verify that the TO-92 package form factor fits the available board space.
Part Context
This part belongs to the standard 2N5457 family of N-channel JFETs. It shares core electrical characteristics with other manufacturers' equivalents but may vary slightly in parameter tolerances. The D75Z suffix typically indicates a specific tape-and-reel or bulk packaging configuration from onsemi, distinct from loose TO-92 variants.
Replacement Considerations
Direct substitutes include the 2N5457 from other vendors such as Fairchild or Central Semiconductor. Cross-reference the Vgs(off) and Idss ranges to ensure compatibility with existing bias networks. Verify pinout alignment, as some legacy packages may differ.
