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Product Detailed Parameters
- Description：JFET P-CH 30V TO92-3
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- FET Type：P-Channel
- Voltage - Breakdown (V(BR)GSS)：30 V
- Drain to Source Voltage (Vdss)：-
- Current - Drain (Idss) @ Vds (Vgs=0)：20 mA @ 15 V
- Current Drain (Id) - Max：-
- Voltage - Cutoff (VGS off) @ Id：5 V @ 10 nA
- Input Capacitance (Ciss) (Max) @ Vds：-
- Resistance - RDS(On)：85 Ohms
- Power - Max：350 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 J174D27Z is a small signal field-effect transistor manufactured by Fairchild Semiconductor, now part of onsemi. It is a single-element, P-channel silicon junction FET housed in a TO-92 package with three pins. The device operates in depletion mode and is designed for general-purpose switching applications. Key electrical characteristics include a maximum power dissipation of 0.35 W and a maximum drain-source on-resistance of 125 Ω. The component supports an operating temperature range from -55°C to +150°C.
Feature Summary
- P-channel silicon construction for reliable performance
- Depletion mode operation suitable for specific circuit topologies
- TO-92 cylindrical plastic/epoxy encapsulation
Applications
- Small signal switching circuits
- General-purpose analog applications requiring depletion mode FETs
Procurement Notes
Verify the manufacturer designation carefully, as this component originates from Fairchild Semiconductor prior to its integration into onsemi. Confirm that the TO-92 through-hole package aligns with your PCB footprint requirements. Ensure the specified 0.35 W power dissipation and 125 Ω resistance meet your design constraints. Check for updated ordering information if transitioning between legacy Fairchild and current onsemi systems.
Selection Notes
Select this component when a P-channel depletion mode JFET is required in a low-power, through-hole configuration. The TO-92 package limits thermal management capabilities compared to surface-mount options. Verify that the 125 Ω on-resistance is acceptable for your load requirements. Consider the wide operating temperature range if the application involves extreme environmental conditions.
Part Context
This component belongs to the category of discrete semiconductor transistors, specifically Junction Field-Effect Transistors (JFETs). It represents legacy inventory from Fairchild Semiconductor, which has been integrated into onsemi's product portfolio. The TO-92 package is a standard through-hole form factor commonly used in older or cost-sensitive designs.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Users should consult official onsemi resources for equivalent modern alternatives.
