What are the primary applications for the MMBFJ201?

It is primarily used in low-level audio circuits and applications requiring high-impedance signal sources.

What are the key electrical specifications?

It features a 40V drain-gate voltage, a gate-source cut-off voltage between -0.3V and -1.5V, and an IDSS range of 0.2mA to 1.0mA.

What should engineers review before using the MMBFJ201?

Engineers should review the gate-source cut-off voltage (VGS(off)) and the forward transfer admittance (yFS) to ensure compatibility with the signal gain requirements.

What is the sourcing status of the MMBFJ201?

The MMBFJ201 is currently active and widely available from major distributors.

What is the pinout of MMBFJ201?

Use the MMBFJ201 datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about MMBFJ201 pinout to locate pins, power rails, and interface signals before layout.

MMBFJ201 Datasheet, Specs, Alternatives & ECAD | onsemi

AI summary

The MMBFJ201 is a standard N-Channel JFET amplifier suitable for low-level audio and high-impedance signal conditioning.

Best for

Audio pre-amplification
High-impedance buffering

Avoid if

High-power switching applications

Check before use

Gate-source voltage polarity
Thermal management

Key specifications

VDG: 40 V
VGS(off): -0.3 to -1.5 V
IDSS: 0.2 to 1.0 mA
Package: SOT-23

Compliance & Environment

RoHS: ROHS3 Compliant
REACH: REACH Unaffected
MSL: 1 (Unlimited)
ECCN: EAR99
HTSUS: 8541.21.0095

Application

AudioGeneral Purpose

Datasheet

NATLS22594-1.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for MMBFJ201: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol

Schematic symbol for your EDA tool

Get Files

PCB Footprint

Land pattern for PCB layout

Get Files

3D Model

STEP file for mechanical design

Get Files

KiCad Library

Verified KiCad 8 symbol, footprint, and 3D model

Generate library

Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The MMBFJ201 is an N-Channel JFET designed for general-purpose amplification and high-impedance signal applications.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the MMBFJ201?+×

What are the primary applications for the MMBFJ201?+×

What are the key electrical specifications?+×

What should engineers review before using the MMBFJ201?+×

What is the sourcing status of the MMBFJ201?+×

What is the pinout of MMBFJ201?+×