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Product Detailed Parameters
- Description：JFET N-Channel -25V Low Ciss
- Series：SMP5486
- Mfr：InterFET
- Package：Strip
- FET Type：N-Channel
- Voltage - Breakdown (V(BR)GSS)：-
- Drain to Source Voltage (Vdss)：25 V
- Current - Drain (Idss) @ Vds (Vgs=0)：12 mA @ 15 V
- Current Drain (Id) - Max：-
- Voltage - Cutoff (VGS off) @ Id：4 V @ 10 nA
- Input Capacitance (Ciss) (Max) @ Vds：3.5pF @ 15V
- Resistance - RDS(On)：150 Ohms
- Power - Max：350 mW
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：SOT-23-3
- Supplier Device Package：SOT-23-3
- Grade：-
- Qualification：-
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Overview
The InterFET SMP5486 is an N-Channel Junction Field Effect Transistor (JFET) utilizing the InterFET N0026S geometry. It features a -25V Gate to Source Breakdown Voltage and a Drain to Source Saturation Current range of 8mA to 20mA. The device exhibits a typical input capacitance of 4.3pF and forward transconductance up to 3500μS. Designed for low noise and leakage applications, it operates within a junction temperature range of -55°C to 125°C.
Feature Summary
- Utilizes InterFET N0026S geometry for optimized performance
- Provides low noise characteristics with typical values of 4 nV/√Hz
- Ensures minimal gate leakage current, typically less than 10pA at room temperature
- Offers surface mount SOT23 packaging options alongside through-hole and bare die variants
Applications
- VHF/UHF Amplifiers
Procurement Notes
Verify the specific ordering suffix required for the desired package configuration, such as bulk SOT23 or tape and reel quantities. Confirm RoHS compliance status during procurement. Ensure design validation covers all field use cases and extreme conditions, as application responsibility lies with the buyer. Check for custom part and binning availability if specific electrical parameters are needed.
Selection Notes
Select the SMP5486 when designing VHF/UHF amplifiers requiring low noise and low leakage performance. Compare IDSS ranges against circuit requirements, noting this model targets the higher saturation current end of the family spectrum. Consider available packaging formats like SOT23 for surface mount implementations. Evaluate thermal derating factors for high-temperature environments.
Part Context
The SMP5486 belongs to the 2N5484-5-6 series of N-Channel JFETs manufactured by InterFET. This series shares common electrical characteristics regarding breakdown voltage and leakage but varies in saturation current and transconductance. The component is part of a broader lineup offering through-hole, surface mount, and chip tray packaging options.
Replacement Considerations
The SMP5484 and SMP5485 are electrically similar members of the same series, differing primarily in IDSS and GFS specifications. Verify that the alternative part's saturation current and transconductance ranges align with the specific amplifier design requirements before substitution.
