P1087

Description：JFET P-CH 30V TO92-3
Series：-

SKU:11c55f73616b Category: JFETs Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：JFET P-CH 30V TO92-3
Series：-
Mfr：onsemi
Package：Bulk
FET Type：P-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：5 V @ 1 µA
Input Capacitance (Ciss) (Max) @ Vds：45pF @ 15V
Resistance - RDS(On)：150 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)
Supplier Device Package：TO-92-3
Grade：-
Qualification：-

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P1087

Overview

The P1087 is a single P-channel JFET switch manufactured by onsemi, formerly Fairchild Semiconductor. It is housed in a TO-92 through-hole package and designed for low-level analog switching applications. The device operates within a junction temperature range of -55°C to +150°C with a maximum power dissipation of 350 mW. Key electrical specifications include a gate-source breakdown voltage of 30 V, a drain-source on-resistance of 150 Ω at 1 mA, and an input capacitance of 45 pF. The component features a turn-on time of 15 ns and a fall time of 100 ns under standard test conditions.

Feature Summary

Designed specifically for low-level analog switching tasks such as sample-and-hold circuits and chopper-stabilized amplifiers.
Utilizes process technology sourced from the FACT Quiet series manufacturing line.

Applications

Sample and hold circuits
Chopper stabilized amplifiers

Procurement Notes

Verify current availability status as the datasheet indicates this product may be obsolete or discontinued by the manufacturer. Confirm that the sourcing entity matches the original Fairchild Semiconductor specifications if legacy compliance is required. Ensure the TO-92 package dimensions align with existing PCB footprints before finalizing procurement decisions.

Selection Notes

Select this component when a P-channel JFET switch is required for analog signal routing with specific leakage and resistance characteristics. Consider the 150 Ω on-resistance and 45 pF input capacitance for high-frequency signal integrity requirements. Verify thermal management capabilities against the 357 °C/W junction-to-ambient resistance rating for ambient temperature environments.

Part Context

The P1087 belongs to the family of discrete JFET switches produced by onsemi. It serves as a specialized passive switching element distinct from logic-controlled MOSFETs, offering inherent zero-gate-voltage conduction properties suitable for precision analog signal paths.

Replacement Considerations

Consult official obsolescence notices for confirmed substitute part numbers. No direct cross-references are provided in the source documentation; verify compatibility with alternative JFET switches based on pinout and electrical parameter matching.