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Product Detailed Parameters
- Description：JFET N-CH 30V TO92-3
- Series：-
- Mfr：onsemi
- Package：Tape & Box (TB)
- FET Type：N-Channel
- Voltage - Breakdown (V(BR)GSS)：30 V
- Drain to Source Voltage (Vdss)：-
- Current - Drain (Idss) @ Vds (Vgs=0)：25 mA @ 20 V
- Current Drain (Id) - Max：-
- Voltage - Cutoff (VGS off) @ Id：2 V @ 1 nA
- Input Capacitance (Ciss) (Max) @ Vds：14pF @ 20V
- 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) Formed Leads
- Supplier Device Package：TO-92-3
- Grade：-
- Qualification：-
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Overview
The PN4392_D75Z is an N-channel Junction Field-Effect Transistor (JFET) manufactured by onsemi. It is housed in a TO-92-3 through-hole package and has a maximum power dissipation of 625 mW. The device supports a Drain-Source Voltage (VDS) of 30 V, a Drain-Gate Voltage (VDG) of 30 V, and a Gate-Source Voltage (VGS) of 30 V. The typical Drain Current (Idss) at Vds = 20 V and Vgs = 0 is 25 mA. This component is currently classified as obsolete.
Feature Summary
- N-channel JFET configuration for switching applications
- Through-hole TO-92-3 packaging for standard board mounting
- 30 V voltage rating across Drain-Source, Drain-Gate, and Gate-Source terminals
Applications
- Analog signal switching circuits
- Low-noise preamplifier input stages
- High-impedance buffer applications
Procurement Notes
This part number is officially listed as obsolete by the manufacturer. Procurement should focus on verifying the authenticity of remaining stock from authorized distributors or secondary market suppliers. Ensure that any available units meet original datasheet specifications and have not suffered storage degradation. Cross-reference with current active replacements if long-term supply stability is required for production.
Selection Notes
Select this component only when its specific N-channel JFET characteristics match the circuit requirements. Verify that the 30 V voltage ratings are sufficient for the operating environment. Consider the 625 mW power dissipation limit during thermal analysis. Due to its obsolete status, evaluate alternative active components that offer similar electrical parameters and pinout compatibility to ensure future maintainability.
Part Context
The PN4392_D75Z belongs to the JFET product category within onsemi's discrete semiconductor portfolio. It serves as a specialized transistor for analog signal processing tasks requiring high input impedance. As an N-channel device, it operates by controlling current flow between the drain and source using the gate voltage. Its classification as obsolete indicates it is no longer in active production, though it may remain available in limited quantities.
Replacement Considerations
Public confirmed substitute part numbers are not provided in the available documentation. Users must consult official replacement guides or contact the manufacturer directly for valid cross-references.
