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5285-MMBFJ201 is listed in the Jfets range at ChipApex. The manufacturer field lists onsemi. Its product description is JFET N-CH 40V SOT23-3. Review the specifications below when checking this part for your BOM.
Jfets specifications for 5285-MMBFJ201
- Description：JFET N-CH 40V SOT23-3
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- FET Type：N-Channel
- Voltage - Breakdown (V(BR)GSS)：40 V
- Drain to Source Voltage (Vdss)：-
- Current - Drain (Idss) @ Vds (Vgs=0)：200 µA @ 20 V
- Current Drain (Id) - Max：-
- Voltage - Cutoff (VGS off) @ Id：300 mV @ 10 nA
- Input Capacitance (Ciss) (Max) @ Vds：-
- Resistance - RDS(On)：-
- Power - Max：350 mW
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
- Grade：-
- Qualification：-
Jfets datasheet and documents for 5285-MMBFJ201
Jfets Overview
The onsemi MMBFJ201 is an N-channel Junction Field-Effect Transistor (JFET) designed for surface-mount applications. It features a maximum drain-source breakdown voltage of 40V and a power dissipation rating of 350mW. The device operates within a junction temperature range of -55°C to +150°C. Key electrical characteristics include a gate-source cutoff voltage of 300mV at 10nA and a gate-source breakdown voltage of 40V. The component is housed in a SOT-23-3 package, also identified as TO-236-3 or SC-59, ensuring compatibility with standard automated assembly processes.
Jfets Feature Summary
- N-channel JFET configuration optimized for low-noise signal processing
- Surface-mount SOT-23-3 packaging for compact circuit board integration
- High thermal stability supporting operation up to 150°C junction temperature
Jfets Applications
- Low-noise amplifier stages in audio and instrumentation circuits
- Constant current source implementations
- Analog switching and chopper stabilization circuits
Jfets Procurement Notes
Verify the specific ordering suffix against the manufacturer's official datasheet to confirm exact packaging and reel specifications. Ensure that the procurement channel provides traceability documentation consistent with onsemi quality standards. Confirm RoHS compliance status if required by the end-product regulations. Cross-reference the part number with authorized distributor catalogs to validate current production status and availability constraints.
Jfets Selection Notes
Select this component when an N-channel JFET with a 40V breakdown voltage and SOT-23-3 footprint is required. Evaluate the 300mV cutoff voltage specification against the specific biasing requirements of the target circuit. Consider the 350mW power dissipation limit relative to the expected thermal environment and PCB copper area for adequate heat sinking during continuous operation.
Jfets Part Context
The MMBFJ201 belongs to the broader family of small-signal JFETs manufactured by onsemi. It shares the SOT-23-3 physical form factor with other devices in the series but is distinguished by its specific N-channel polarity and 40V voltage ratings. This positioning allows it to serve as a direct replacement for legacy through-hole JFETs in modern miniaturized designs requiring similar electrical performance profiles.
Jfets Replacement Considerations
Publicly documented substitutes include the MMBFJ202. Verify pinout compatibility and parameter tolerances before substitution. No other official cross-references are confirmed in the provided data.
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