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Product Detailed Parameters
- Description：JFET P-CH 30V TO18
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- FET Type：P-Channel
- Voltage - Breakdown (V(BR)GSS)：30 V
- Drain to Source Voltage (Vdss)：-
- Current - Drain (Idss) @ Vds (Vgs=0)：1 mA @ 5 V
- Current Drain (Id) - Max：-
- Voltage - Cutoff (VGS off) @ Id：750 mV @ 1 µA
- Input Capacitance (Ciss) (Max) @ Vds：10pF @ 5V
- Resistance - RDS(On)：-
- Power - Max：300 mW
- Operating Temperature：-65°C ~ 200°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-206AA, TO-18-3 Metal Can
- Supplier Device Package：TO-18 (TO-206AA)
- Grade：-
- Qualification：-
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Overview
The 2N2608 is a P-channel silicon small-signal Junction Field-Effect Transistor (JFET) manufactured by Microchip Technology. It operates in depletion mode and is housed in a three-pin TO-18 cylindrical metal can package with bottom wire terminals. Classified as a general-purpose discrete semiconductor, this single-element device is designed for through-hole mounting. The component utilizes JFET technology and is identified by JEDEC-95 code TO-18 and JESD-30 code O-MBCY-W3.
Feature Summary
- P-channel junction field-effect transistor construction
- Depletion mode operation capability
- Metal cylindrical hermetic packaging
Applications
- General purpose small signal amplification
- Low noise analog circuit stages
- High impedance input buffering
Procurement Notes
Verify the manufacturer designation carefully, as historical data indicates production by Vishay. Confirm current availability status directly with authorized distributors or the manufacturer, as lead times may vary significantly for legacy through-hole components. Ensure the specific ordering suffix matches the required pin configuration and material specifications.
Selection Notes
Select this component when a P-channel JFET in a TO-18 metal can is required for high-reliability applications. Consider the through-hole mounting constraint and the specific depletion mode characteristics. Verify that the package dimensions and terminal style align with the existing printed circuit board layout and assembly equipment capabilities.
Part Context
The 2N2608 belongs to the family of standard military-grade and industrial small-signal JFETs. It shares the TO-18 package form factor with other legacy transistors but is distinct in its P-channel JFET functionality. This part is often used in circuits requiring high input impedance and low noise performance where traditional bipolar transistors are unsuitable.
Replacement Considerations
Direct substitutes include other P-channel JFETs in TO-18 packages such as the 2N5485 or 2N5486, provided pinouts match. Verify electrical parameters like pinch-off voltage and drain current against the original design requirements before substitution.
