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Product Detailed Parameters
- Description：.5V 4V 10MA 350MW SMD JFET N CHA
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Tape & Reel (TR)
- FET Type：N-Channel
- Voltage - Breakdown (V(BR)GSS)：25 V
- Drain to Source Voltage (Vdss)：-
- Current - Drain (Idss) @ Vds (Vgs=0)：4 mA @ 15 V
- Current Drain (Id) - Max：30 mA
- Voltage - Cutoff (VGS off) @ Id：500 mV @ 10 nA
- Input Capacitance (Ciss) (Max) @ Vds：5pF @ 15V
- Resistance - RDS(On)：-
- Power - Max：350 mW
- Operating Temperature：-65°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23
- Grade：-
- Qualification：-
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Overview
The CMPF5485 TR PBFREE is an N-channel silicon Junction Field-Effect Transistor (JFET) manufactured by Central Semiconductor Corp. It is housed in a surface-mount SOT-23 package and supplied in tape-and-reel format compliant with RoHS standards. This component functions as a discrete semiconductor device designed for signal processing and amplification applications requiring low-noise performance and high input impedance characteristics typical of JFET technology.
Feature Summary
- N-channel silicon construction for reliable field-effect operation
- Surface-mount SOT-23 packaging for automated assembly integration
- Lead-free finish ensuring compliance with environmental directives
Applications
- Low-noise signal amplification circuits
- High-impedance input stages in audio or sensor interfaces
- Analog switching and voltage-controlled resistance applications
Procurement Notes
Verify the complete ordering part number including the "TR PBFREE" suffix to ensure correct reel packaging and lead-free material composition. Confirm that the SOT-23 footprint matches the target PCB design. Check current datasheets for any revisions regarding electrical limits or thermal characteristics before finalizing procurement specifications.
Selection Notes
Select this component when an N-channel JFET is required in a compact surface-mount form factor. Ensure the application benefits from the inherent high input impedance and low noise profile of silicon JFETs. Verify that the SOT-23 package size fits within the available board space constraints compared to through-hole alternatives.
Part Context
This part belongs to the Central Semiconductor JFET product line, specifically utilizing the CMPF5485 base model identifier. The "TR PBFREE" designation indicates it is packaged in a standard electronic tape and reel for surface-mount technology (SMT) production lines and contains no lead content, adhering to modern environmental manufacturing standards.
Replacement Considerations
Public documentation does not list official direct substitutes. Engineers should evaluate other N-channel JFETs in SOT-23 packages from various manufacturers, ensuring pinout compatibility and matching key electrical parameters such as pinch-off voltage and drain current.
