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The J177_D26Z is a P-Channel Silicon Junction Field-Effect Transistor (JFET) manufactured by onsemi. It is designed for small-signal switching and amplification applications, housed in a TO-92-3 package with formed leads for through-hole mounting. The device operates in depletion mode with a gate-source breakdown voltage of -30V and a drain current of 5mA at Vgs=0. Key electrical characteristics include a maximum power dissipation of 350mW and an on-resistance of 250 Ohms.
Verify the specific suffix D26Z against the official onsemi datasheet to confirm lead form and tape/reel specifications. Ensure the component matches the required P-Channel JFET type for the intended circuit topology. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components.
Select this component when a P-Channel JFET with low gate leakage and moderate on-resistance is required. The TO-92 package limits power handling capabilities, making it suitable for low-power signal paths rather than high-current power switching applications. Verify thermal constraints during design.
This component belongs to the J174-J177 series of P-Channel JFETs from onsemi. These devices are commonly used as replacements for older industry-standard parts. The series offers consistent electrical parameters across variants, facilitating direct pin-for-pin upgrades in existing designs requiring P-channel field-effect transistors.
Compatible substitutes include the MMBFJ177 and J177 from other manufacturers such as Fairchild or Texas Instruments. Verify that replacement parts match the -30V breakdown voltage and 350mW power dissipation ratings to ensure circuit compatibility.