MMBF4393 The MMBF4393 is an N-Channel JFET transistor from ON Semiconductor. It features a 30V drain-source voltage and is available in a SOT-23-3 surface mount package.
Mfr Part #:

MMBF4393

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The MMBF4393 is an N-Channel JFET transistor from ON Semiconductor. It features a 30V drain-source voltage and is available in a SOT-23-3 surface mount package.
✓ Total Stock: 6,137 pcs
$ Price Range: $0.99

MMBF4393 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
5,949 pcs
5949 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
188 pcs
188 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request

MMBF4393 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Drain to Source Voltage (Vdss)
FET Type
Industrial Grade
Input Capacitance (Ciss) (Max) @ Vds
Medical Grade
Military Grade
Mounting Type
Operating Temperature
Power
Resistance
Storage Temperature
Supplier Device Package
Supplier Package
Tape & Reel
Voltage

MMBF4393 Description

Short technical summary and product information.

The MMBF4393 is an N-Channel JFET transistor manufactured by ON Semiconductor. This component is designed for surface mount applications and comes in a SOT-23-3 package. It offers a drain-source voltage (Vdss) of 30V and can handle a power dissipation of up to 350mW. The operating temperature range is from -55°C to 150°C.

 

Key electrical characteristics include an input capacitance (Ciss) of 14pF at 20V and an operating current of 5mA at 20V. The device also has an on-resistance of 100 Ohms. Its N-Channel FET type makes it suitable for various switching and amplification applications.

 

This JFET is designed for general-purpose use in electronic circuits requiring a reliable N-channel JFET. The surface mount package facilitates integration into compact PCB designs.

MMBF4393 Quick Information

Product Type: JFET Transistor
Canonical Name: MMBF4393 N-Channel JFET Transistor
Subcategory: N-Channel

MMBF4393 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MMBF4393 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

MMBF4393 Features

  • N-Channel JFET transistor.
  • 30V drain-source voltage rating.
  • 350mW power dissipation.
  • Surface mount SOT-23-3 package.
  • Wide operating temperature range.

MMBF4393 Applications

  • Used in RF and high-frequency circuits
  • Suitable for switching applications
  • Ideal for signal amplification
  • Applicable in industrial control systems

MMBF4393 FAQs

4 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the MMBF4393?

The MMBF4393 has an operating voltage of 30 V.

What package does the MMBF4393 come in?

The MMBF4393 is packaged in a SOT-23-3 surface-mount package.

What is the input capacitance of the MMBF4393?

The input capacitance (Ciss) is 14 pF at Vds=20V.

What is the maximum operating temperature of the MMBF4393?

The device operates over a temperature range from -55°C to 150°C.

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