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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)：5 mA @ 20 V
- Current Drain (Id) - Max：-
- Voltage - Cutoff (VGS off) @ Id：500 mV @ 1 nA
- Input Capacitance (Ciss) (Max) @ Vds：14pF @ 20V
- Resistance - RDS(On)：100 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 PN4393_D74Z is a single N-channel silicon Junction Field-Effect Transistor (JFET) manufactured by onsemi. It utilizes a TO-92-3 Kinked Lead through-hole package and operates in depletion mode. Key electrical specifications include a gate-source breakdown voltage of -30 V, a maximum drain-source on-resistance of 100 Ω, and a maximum feedback capacitance (Crss) of 3.5 pF.
Feature Summary
- N-channel silicon construction for small signal applications
- Depletion mode operation characteristics
- Through-hole mounting with kinked lead configuration
Applications
- Small signal switching circuits
- Analog signal processing stages
- Low noise amplifier input stages
Procurement Notes
Verify the specific D74Z suffix against current manufacturer documentation to confirm pinout orientation and lead form. Confirm availability status as distribution records indicate potential discontinuation or limited stock. Ensure the procurement channel provides original manufacturer traceability for quality assurance.
Selection Notes
Select this component when a depletion mode N-channel JFET is required in a through-hole TO-92 package. The device offers low feedback capacitance suitable for high-frequency signal integrity. Evaluate thermal constraints and ensure the circuit design accommodates the specific gate-source breakdown limits provided in the official datasheet.
Part Context
This part belongs to the onsemi discrete transistor portfolio, specifically within the JFET category. It represents a legacy silicon technology product often sourced from Fairchild Semiconductor heritage lines now managed by onsemi. The component serves as a fundamental active element in analog electronic designs requiring specific impedance matching or switching behaviors.
Replacement Considerations
Direct substitutes may include other N-channel JFETs in TO-92 packages such as the 2N5457 or 2N5484, provided pinouts match. Verify that replacement devices meet the -30 V gate-source breakdown requirement and comparable on-resistance values for functional equivalence.
