J112-D74Z

Overview

The onsemi J112-D74Z is a single N-channel Junction Field-Effect Transistor (JFET) designed for low-level analog switching applications. It features a TO-92 package with three pins and through-hole mounting capability. Key electrical parameters include a maximum drain-source current of 5 mA, a gate-source cutoff voltage of -5 V, and an on-resistance of 50 Ohms. The device supports a power dissipation of up to 350 mW and operates within a temperature range of -55°C to 150°C.

Feature Summary

• Designed specifically for low-level analog switching and sampling hold circuits
• Features interchangeable source and drain terminals for flexible circuit integration
• Constructed as a lead-free component compliant with environmental standards

Applications

• Low-level analog signal switching
• Sampling and hold circuits
• Chopper-stabilized amplifier inputs

Procurement Notes

Verify the specific suffix D74Z against the manufacturer's official datasheet to confirm packaging configuration and compliance status. Ensure that the TO-92 through-hole package matches the target PCB footprint requirements. Cross-reference the electrical limits with system design constraints before finalizing procurement decisions.

Selection Notes

Select this component when designing circuits requiring precise low-voltage analog switching with minimal signal distortion. The interchangeable source-drain characteristic simplifies layout in bidirectional switch applications. Consider the thermal management capabilities relative to the 350 mW dissipation limit during high-duty cycle operations.

Part Context

This part belongs to the J112 series of N-channel JFETs manufactured by onsemi. It serves as a discrete semiconductor solution for precision analog front-end stages. The device complements other small-signal transistors in mixed-signal designs where low noise and high linearity are critical performance factors.

Replacement Considerations

Public confirmed substitute part numbers: J112-D26Z.